[libpng16] Imported from libpng-1.6.0beta05.tar

handle chunks even when they have been tagged PNG_HANDLE_CHUNK_NEVER.

ANNOUNCE

@@ -1,5 +1,5 @@
 
-Libpng 1.6.0beta28 - August 29, 2012
+Libpng 1.6.0beta05 - February 3, 2012
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -9,20 +9,20 @@ Files available for download:
 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script
 
-   1.6.0beta28.tar.xz (LZMA-compressed, recommended)
-   1.6.0beta28.tar.gz
-   1.6.0beta28.tar.bz2
+   1.6.0beta05.tar.xz (LZMA-compressed, recommended)
+   1.6.0beta05.tar.gz
+   1.6.0beta05.tar.bz2
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp160b28.7z  (LZMA-compressed, recommended)
-   lp160b28.zip
+   lp160b05.7z  (LZMA-compressed, recommended)
+   lp160b05.zip
 
 Other information:
 
-   1.6.0beta28-README.txt
-   1.6.0beta28-LICENSE.txt
+   1.6.0beta05-README.txt
+   1.6.0beta05-LICENSE.txt
 
 Changes since the last public release (1.5.7):
 
@@ -76,8 +76,6 @@ Version 1.6.0beta03 [December 22, 2011]
     so is particularly valuable.  Overall on a 64-bit system the libpng DLL
     decreases in code size by 1733 bytes.  pngerror.o increases in size by
     about 465 bytes because of the new functionality.
-  Added png_convert_to_rfc1123_buffer() and deprecated png_convert_to_rfc1123()
-    to avoid including a spurious buffer in the png_struct.
 
 Version 1.6.0beta04 [December 30, 2011]
   Regenerated configure scripts with automake-1.11.2
@@ -106,381 +104,10 @@ Version 1.6.0beta04 [December 30, 2011]
   Revised contrib/pngminus/pnm2png.c to avoid warnings when png_uint_32
     and unsigned long are of different sizes.
 
-Version 1.6.0beta05 [January 15, 2012]
+Version 1.6.0beta05 [February 3, 2012]
   Updated manual with description of the simplified API (copied from png.h)
   Fix bug in pngerror.c: some long warnings were being improperly truncated
-    (CVE-2011-3464, bug introduced in libpng-1.5.3beta05).
-
-Version 1.6.0beta06 [January 24, 2012]
-  Added palette support to the simplified APIs. This commit
-    changes some of the macro definitions in png.h, app code
-    may need corresponding changes.
-  Increased the formatted warning buffer to 192 bytes.
-  Added color-map support to simplified API. This is an initial version for
-    review; the documentation has not yet been updated.
-  Fixed Min/GW uninstall to remove libpng.dll.a
-
-Version 1.6.0beta07 [January 28, 2012]
-  Eliminated Intel icc/icl compiler warnings. The Intel (GCC derived)
-    compiler issues slightly different warnings from those issued by the
-    current vesions of GCC. This eliminates those warnings by
-    adding/removing casts and small code rewrites.
-  Updated configure.ac from autoupdate: added --enable-werror option.
-    Also some layout regularization and removal of introduced tab characters
-    (replaced with 3-character indentation).  Obsolete macros identified by
-    autoupdate have been removed; the replacements are all in 2.59 so
-    the pre-req hasn't been changed.  --enable-werror checks for support
-    for -Werror (or the given argument) in the compiler.  This mimics the
-    gcc configure option by allowing -Werror to be turned on safely; without
-    the option the tests written in configure itself fail compilation because
-    they cause compiler warnings.
-  Rewrote autogen.sh to run autoreconf instead of running tools one-by-one.
-  Conditionalize the install rules for MINGW and CYGWIN in CMakeLists.txt and
-    set CMAKE_LIBRARY_OUTPUT_DIRECTORY to "lib" on all platforms (C. Yapp).
-  Freeze libtool files in the 'scripts' directory. This version of autogen.sh
-    attempts to dissuade people from running it when it is not, or should not,
-    be necessary.  In fact, autogen.sh does not work when run in a libpng
-    directory extracted from atar distribution anymore. You must run it in
-    a GIT clone instead.
-  Added two images to contrib/pngsuite (1-bit and 2-bit transparent grayscale),
-    and renamed three whose names were inconsistent with those in
-    pngsuite/README.txt.
-
-Version 1.6.0beta08 [February 1, 2012]
-  Fixed Image::colormap misalignment in pngstest.c
-  Check libtool/libtoolize version number (2.4.2) in configure.ac
-  Divide test-pngstest.sh into separate pngstest runs for basic and
-    transparent images.
-  Moved automake options to AM_INIT_AUTOMAKE in configure.ac
-  Added color-tests, silent-rules (Not yet implemented in Makefile.am) and
-    version checking to configure.ac
-  Improved pngstest speed by not doing redundant tests and add const to
-    the background parameter of png_image_finish_read. The --background
-    option is now done automagically only when required, so that commandline
-    option no longer exists.
-  Cleaned up pngpriv.h to consistently declare all functions and data.
-    Also eliminated PNG_CONST_DATA, which is apparently not needed but we
-    can't be sure until it is gone.
-  Added symbol prefixing that allows all the libpng external symbols
-    to be prefixed (suggested by Reuben Hawkins).
-  Updated "ftbb*.png" list in the owatcom and vstudio projects.
-  Fixed 'prefix' builds on clean systems. The generation of pngprefix.h
-    should not require itself.
-  Updated INSTALL to explain that autogen.sh must be run in a GIT clone,
-    not in a libpng directory extracted from a tar distribution.
-
-Version 1.6.0beta09 [February 1, 2012]
-  Reverted the prebuilt configure files to libpng-1.6.0beta05 condition.
-
-Version 1.6.0beta10 [February 3, 2012]
-  Added Z_SOLO for zlib-1.2.6+ and correct pngstest tests
-  Updated list of test images in CMakeLists.txt
-  Updated the prebuilt configure files to current condition.
-  Revised INSTALL information about autogen.sh; it works in tar distributions.
-
-Version 1.6.0beta11 [February 16, 2012]
-  Fix character count in pngstest command in projects/owatcom/pngstest.tgt
-  Revised test-pngstest.sh to report PASS/FAIL for each image.
-  Updated documentation about the simplified API.
-  Corrected estimate of error in libpng png_set_rgb_to_gray API.  The API is
-    extremely inaccurate for sRGB conversions because it uses an 8-bit
-    intermediate linear value and it does not use the sRGB transform, so it
-    suffers from the known instability in gamma transforms for values close
-    to 0 (see Poynton).  The net result is that the calculation has a maximum
-    error of 14.99/255; 0.5/255^(1/2.2).  pngstest now uses 15 for the
-    permitted 8-bit error. This may still not be enough because of arithmetic
-    error.
-  Removed some unused arrays (with #ifdef) from png_read_push_finish_row().
-  Fixed a memory overwrite bug in simplified read of RGB PNG with
-    non-linear gamma Also bugs in the error checking in pngread.c and changed
-    quite a lot of the checks in pngstest.c to be correct; either correctly
-    written or not over-optimistic.  The pngstest changes are insufficient to
-    allow all possible RGB transforms to be passed; pngstest cmppixel needs
-    to be rewritten to make it clearer which errors it allows and then changed
-    to permit known inaccuracies.
-  Removed tests for no-longer-used *_EMPTY_PLTE_SUPPORTED from pngstruct.h
-  Fixed fixed/float API export conditionals. 1) If FIXED_POINT or
-    FLOATING_POINT options were switched off, png.h ended up with lone ';'
-    characters.  This is not valid ANSI-C outside a function.  The ';'
-    characters have been moved inside the definition of PNG_FP_EXPORT and
-    PNG_FIXED_EXPORT. 2) If either option was switched off, the declaration
-    of the corresponding functions were completely omitted, even though some
-    of them are still used internally.  The result is still valid, but
-    produces warnings from gcc with some warning options (including -Wall). The
-    fix is to cause png.h to declare the functions with PNG_INTERNAL_FUNCTION
-    when png.h is included from pngpriv.h.
-  Check for invalid palette index while reading paletted PNG.  When one is
-    found, issue a warning and increase png_ptr->num_palette accordingly.
-    Apps are responsible for checking to see if that happened.
-
-Version 1.6.0beta12 [February 18, 2012]
-  Do not increase num_palette on invalid_index.
-  Relocated check for invalid palette index to pngrtran.c, after unpacking
-    the sub-8-bit pixels.
-  Fixed CVE-2011-3026 buffer overrun bug.  Deal more correctly with the test
-    on iCCP chunk length. Also removed spurious casts that may hide problems
-    on 16-bit systems.
-
-Version 1.6.0beta13 [February 24, 2012]
-  Eliminated redundant png_push_read_tEXt|zTXt|iTXt|unknown code from
-    pngpread.c and use the sequential png_handle_tEXt, etc., in pngrutil.c;
-    now that png_ptr->buffer is inaccessible to applications, the special
-    handling is no longer useful.
-  Added PNG_SAFE_LIMITS feature to pnglibconf.dfa, pngpriv.h, and new
-    pngusr.dfa to reset the user limits to safe ones if PNG_SAFE_LIMITS is
-    defined.  To enable, use "CPPFLAGS=-DPNG_SAFE_LIMITS_SUPPORTED=1" on the
-    configure command or put #define PNG_SAFE_LIMITS_SUPPORTED in
-    pnglibconf.h.prebuilt and pnglibconf.h.
-
-Version 1.6.0beta14 [February 27, 2012]
-  Added information about the new limits in the manual.
-  Updated Makefile.in
-
-Version 1.6.0beta15 [March 2, 2012]
-  Removed unused "current_text" members of png_struct and the png_free()
-    of png_ptr->current_text from pngread.c
-  Rewrote pngstest.c for substantial speed improvement.
-  Fixed transparent pixel and 16-bit rgb tests in pngstest and removed a
-    spurious check in pngwrite.c
-  Added PNG_IMAGE_FLAG_FAST for the benefit of applications that store
-    intermediate files, or intermediate in-memory data, while processing
-    image data with the simplified API.  The option makes the files larger
-    but faster to write and read.  pngstest now uses this by default; this
-    can be disabled with the --slow option.
-  Improved pngstest fine tuning of error numbers, new test file generator.
-    The generator generates images that test the full range of sample values,
-    allow the error numbers in pngstest to be tuned and checked.  makepng
-    also allows generation of images with extra chunks, although this is
-    still work-in-progress.
-  Added tests for invalid palette index while reading and writing (work in
-    progress, the latter isn't finished).
-  Fixed some bugs in ICC profile writing. The code should now accept
-    all potentially valid ICC profiles and reject obviously invalid ones.
-    It now uses png_error() to do so rather than casually writing a PNG
-    without the necessary color data.
-  Removed whitespace from the end of lines in all source files and scripts.
-
-Version 1.6.0beta16 [March 6, 2012]
-  Relocated palette-index checking function from pngrutil.c to pngtrans.c
-  Added palette-index checking while writing.
-  Changed png_inflate() and calling routines to avoid overflow problems.
-    This is an intermediate check-in that solves the immediate problems and
-    introduces one performance improvement (avoiding a copy via png_ptr->zbuf.)
-    Further changes will be made to make ICC profile handling more secure.
-  Fixed build warnings (MSVC, GCC, GCC v3). Cygwin GCC with default options
-    declares 'index' as a global, causing a warning if it is used as a local
-    variable.  GCC 64-bit warns about assigning a (size_t) (unsigned 64-bit)
-    to an (int) (signed 32-bit).  MSVC, however, warns about using the
-    unary '-' operator on an unsigned value (even though it is well defined
-    by ANSI-C to be ~x+1).  The padding calculation was changed to use a
-    different method.  Removed the tests on png_ptr->pass.
-  Added contrib/libtests/tarith.c to test internal arithmetic functions from
-    png.c. This is a libpng maintainer program used to validate changes to the
-    internal arithmetic functions.
-  Made read 'inflate' handling like write 'deflate' handling. The read
-    code now claims and releases png_ptr->zstream, like the write code.
-    The bug whereby the progressive reader failed to release the zstream
-    is now fixed, all initialization is delayed, and the code checks for
-    changed parameters on deflate rather than always calling
-    deflatedEnd/deflateInit.
-  Validate the zTXt strings in pngvalid.
-  Added code to validate the windowBits value passed to deflateInit2().
-    If the call to deflateInit2() is wrong a png_warning will be issued
-    (in fact this is harmless, but the PNG data produced may be sub-optimal).
-
-Version 1.6.0beta17 [March 10, 2012]
-  Fixed PNG_LIBPNG_BUILD_BASE_TYPE definition. 
-  Reject all iCCP chunks after the first, even if the first one is invalid.
-  Deflate/inflate was reworked to move common zlib calls into single
-    functions [rw]util.c.  A new shared keyword check routine was also added
-    and the 'zbuf' is no longer allocated on progressive read.  It is now
-    possible to call png_inflate() incrementally.
-  If benign errors are disabled use maximum window on ancilliary inflate.
-    This works round a bug introduced in 1.5.4 where compressed ancillary
-    chunks could end up with a too-small windowBits value in the deflate
-    header.
-
-Version 1.6.0beta18 [March 16, 2012]
-  Issue a png_benign_error() instead of png_warning() about bad palette index.
-  In pngtest, treat benign errors as errors if "-strict" is present.
-  Fixed an off-by-one error in the palette index checking function.
-  Fixed a compiler warning under Cygwin (Windows-7, 32-bit system)
-  Revised example.c to put text strings in a temporary character array
-    instead of directly assigning string constants to png_textp members.
-    This avoids compiler warnings when -Wwrite-strings is enabled.
-  Added output flushing to aid debugging under Visual Studio. Unfortunately
-    this is necessary because the VS2010 output window otherwise simply loses
-    the error messages on error (they weren't flushed to the window before
-    the process exited, apparently!)
-  Added configuration support for benign errors and changed the read
-    default. Also changed some warnings in the iCCP and sRGB handling
-    from to benign errors. Configuration now makes read benign
-    errors warnings and write benign errors to errors by default (thus
-    changing the behavior on read).  The simplified API always forces
-    read benign errors to warnings (regardless of the system default, unless
-    this is disabled in which case the simplified API can't be built.)
-
-Version 1.6.0beta19 [March 18,2012]
-  Work around for duplicate row start calls; added warning messages.
-    This turns on PNG_FLAG_DETECT_UNINITIALIZED to detect app code that
-    fails to call one of the 'start' routines (not enabled in libpng-1.5
-    because it is technically an API change, since it did normally work
-    before.)  It also makes duplicate calls to png_read_start_row (an
-    internal function called at the start of the image read) benign, as
-    they were before changes to use png_inflate_claim. Somehow webkit is
-    causing this to happen; this is probably a mis-feature in the zlib
-    changes so this commit is only a work-round.
-  Removed erroneous setting of DETECT_UNINITIALIZED and added more
-    checks. The code now does a png_error if an attempt is made to do the
-    row initialization twice; this is an application error and it has
-    serious consequences because the transform data in png_struct is
-    changed by each call.
-  Added application error reporting and added chunk names to read
-    benign errors; also added --strict to pngstest - not enabled
-    yet because a warning is produced.
-  Avoid the double gamma correction warning in the simplified API.
-    This allows the --strict option to pass in the pngstest checks
-
-Version 1.6.0beta20 [March 29, 2012]
-  Changed chunk handler warnings into benign errors, incrementally load iCCP
-  Added checksum-icc.c to contrib/tools
-  Prevent PNG_EXPAND+PNG_SHIFT doing the shift twice.
-  Recognize known sRGB ICC profiles while reading; prefer writing the
-    iCCP profile over writing the sRGB chunk, controlled by the
-    PNG_sRGB_PROFILE_CHECKS option.
-  Revised png_set_text_2() to avoid potential memory corruption (fixes
-    CVE-2011-3048, also known as CVE-2012-3425).
-
-Version 1.6.0beta21 [April 27, 2012]
-  Revised scripts/makefile.darwin: use system zlib; remove quotes around
-    architecture list; add missing ppc architecture; add architecture options
-    to shared library link; don't try to create a shared lib based on missing
-    RELEASE variable.
-  Enable png_set_check_for_invalid_index() for both read and write.
-  Removed #ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED in pngpriv.h around
-    declaration of png_handle_unknown().
-  Added -lssp_nonshared in a comment in scripts/makefile.freebsd
-    and changed deprecated NOOBJ and NOPROFILE to NO_OBJ and NO_PROFILE.
-
-Version 1.6.0beta22 [May 23, 2012]
-  Removed need for -Wno-cast-align with clang.  clang correctly warns on
-    alignment increasing pointer casts when -Wcast-align is passed. This
-    fixes the cases that clang warns about either by eliminating the
-    casts from png_bytep to png_uint_16p (pngread.c), or, for pngrutil.c
-    where the cast is previously verified or pngstest.c where it is OK, by
-    introducing new png_aligncast macros to do the cast in a way that clang
-    accepts.
-
-Version 1.6.0beta23 [June 6, 2012]
-  Revised CMakeLists.txt to not attempt to make a symlink under mingw.
-  Made fixes for new optimization warnings from gcc 4.7.0. The compiler
-    performs an optimization which is safe; however it then warns about it.
-    Changing the type of 'palette_number' in pngvalid.c removes the warning.
-  Do not depend upon a GCC feature macro being available for use in generating
-    the linker mapfile symbol prefix.
-  Improved performance of new do_check_palette_indexes() function (only
-    update the value when it actually increases, move test for whether
-    the check is wanted out of the function.
-
-Version 1.6.0beta24 [June 7, 2012]
-  Don't check palette indexes if num_palette is 0 (as it can be in MNG files).
-
-Version 1.6.0beta25 [June 16, 2012]
-  Revised png_set_keep_unknown_chunks() so num_chunks < 0 means ignore all
-    unknown chunks and all known chunks except for IHDR, PLTE, tRNS, IDAT,
-    and IEND.  Previously it only meant ignore all unknown chunks, the
-    same as num_chunks == 0. Revised png_image_skip_unused_chunks() to
-    provide a list of chunks to be processed instead of a list of chunks to
-    ignore.  Revised contrib/gregbook/readpng2.c accordingly.
-
-Version 1.6.0beta26 [July 10, 2012]
-  Removed scripts/makefile.cegcc from the *.zip and *.7z distributions; it
-    depends on configure, which is not included in those archives.
-  Moved scripts/chkfmt to contrib/tools.
-  Changed "a+w" to "u+w" in Makefile.in to fix CVE-2012-3386.
-
-Version 1.6.0beta27 [August 11, 2012]
-  Do not compile PNG_DEPRECATED, PNG_ALLOC and PNG_PRIVATE when __GNUC__ < 3.
-  Do not use __restrict when GNUC is <= 3.1
-  Removed references to png_zalloc() and png_zfree() from the manual.
-  Fixed configurations where floating point is completely disabled.  Because
-    of the changes to support symbol prefixing PNG_INTERNAL_FUNCTION declares
-    floating point APIs during libpng builds even if they are completely
-    disabled. This requires the png floating point types (png_double*) to be
-    declared even though the functions are never actually defined.  This
-    change provides a dummy definition so that the declarations work, yet any
-    implementation will fail to compile because of an incomplete type.
-  Re-eliminated the use of strcpy() in pngtest.c.  An unncessary use of
-    strcpy() was accidentally re-introduced in libpng16; this change replaces
-    it with strncpy().
-  Eliminated use of png_sizeof(); use sizeof() instead.
-  Use a consistent style for (sizeof type) and (sizeof (array))
-  Cleanup of png_set_filler().  This function does very different things on
-    read and write.  In libpng 1.6 the two cases can be distinguished and
-    considerable code cleanup, and extra error checking, is possible.  This
-    makes calls on the write side that have no effect be ignored with a
-    png_app_error(), which can be disabled in the app using
-    png_set_benign_errors(), and removes the spurious use of usr_channels
-    on the read side.
-  Insist on autotools 1.12.1 for git builds because there are security issues
-    with 1.12 and insisting on anything less would allow 1.12 to be used.
-  Removed info_ptr->signature[8] from WRITE-only builds.
-  Add some conditions for compiling png_fixed().  This is a small function
-    but it requires "-lm" on some platforms.
-  Cause pngtest --strict to fail on any warning from libpng (not just errors)
-    and cause it not to fail at the comparison step if libpng lacks support
-    for writing chunks that it reads from the input (currently only implemented
-    for compressed text chunks).
-  Make all three "make check" test programs work without READ or WRITE support.
-    Now "make check" will succeed even if libpng is compiled with -DPNG_NO_READ
-    or -DPNG_NO_WRITE.  The tests performed are reduced, but the basic reading
-    and writing of a PNG file is always tested by one or more of the tests.
-  Consistently use strlen(), memset(), memcpy(), and memcmp() instead of the
-    png_strlen(), png_memset(), png_memcpy(), and png_memcmp() macros.
-  Removed the png_sizeof(), png_strlen(), png_memset(), png_memcpy(), and
-    png_memcmp() macros.
-  Work around gcc 3.x and Microsoft Visual Studio 2010 complaints. Both object
-    to the split initialization of num_chunks.
-
-Version 1.6.0beta28 [August 29, 2012]
-  Unknown handling fixes and clean up. This adds more correct option
-    control of the unknown handling, corrects the pre-existing bug where
-    the per-chunk 'keep' setting is ignored and makes it possible to skip
-    IDAT chunks in the sequential reader (broken in earlier 1.6 versions).
-    There is a new test program, test-unknown.c, which is a work in progress
-    (not currently part of the test suite).  Comments in the header files now
-    explain how the unknown handling works.
-  Allow fine grain control of unknown chunk APIs. This change allows
-    png_set_keep_unknown_chunks() to be turned off if not required and causes
-    both read and write to behave appropriately (on read this is only possible
-    if the user callback is used to handle unknown chunks).  The change
-    also removes the support for storing unknown chunks in the info_struct
-    if the only unknown handling enabled is via the callback, allowing libpng
-    to be configured with callback reading and none of the unnecessary code.
-  Corrected fix for unknown handling in pngtest. This reinstates the
-    libpng handling of unknown chunks other than vpAg and sTER (including
-    unsafe-to-copy chunks which were dropped before) and eliminates the
-    repositioning of vpAg and sTER in pngtest.png by changing pngtest.png
-    (so the chunks are where libpng would put them).
-  Added "tunknown" test and corrected a logic error in png_handle_unknown()
-    when SAVE support is absent.  Moved the shell test scripts for
-    contrib/libtests from the libpng top directory to contrib/libtests.
-    png_handle_unknown() must always read or skip the chunk, if
-    SAVE_UNKNOWN_CHUNKS is turned off *and* the application does not set
-    a user callback an unknown chunk will not be read, leading to a read
-    error, which was revealed by the "tunknown" test.
-  Cleaned up and corrected ICC profile handling.
-    contrib/libtests/makepng: corrected 'rgb' and 'gray' cases.  profile_error
-    messages could be truncated; made a correct buffer size calculation and
-    adjusted pngerror.c appropriately. png_icc_check_* checking improved;
-    changed the functions to receive the correct color type of the PNG on read
-    or write and check that it matches the color space of the profile (despite
-    what the comments said before, there is danger in assuming the app will
-    cope correctly with an RGB profile on a grayscale image and, since it
-    violates the PNG spec, allowing it is certain to produce inconsistent
-    app behavior and might even cause app crashes.) Check that profiles
-    contain the tags needed to process the PNG (tags all required by the ICC
-    spec). Removed unused PNG_STATIC from pngpriv.h.
+    (bug introduced in libpng-1.5.3beta05).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

CHANGES

@@ -3827,8 +3827,6 @@ Version 1.6.0beta03 [December 22, 2011]
     so is particularly valuable.  Overall on a 64-bit system the libpng DLL
     decreases in code size by 1733 bytes.  pngerror.o increases in size by
     about 465 bytes because of the new functionality.
-  Added png_convert_to_rfc1123_buffer() and deprecated png_convert_to_rfc1123()
-    to avoid including a spurious buffer in the png_struct.
 
 Version 1.6.0beta04 [December 30, 2011]
   Regenerated configure scripts with automake-1.11.2
@@ -3857,381 +3855,10 @@ Version 1.6.0beta04 [December 30, 2011]
   Revised contrib/pngminus/pnm2png.c to avoid warnings when png_uint_32
     and unsigned long are of different sizes.
 
-Version 1.6.0beta05 [January 15, 2012]
+Version 1.6.0beta05 [February 3, 2012]
   Updated manual with description of the simplified API (copied from png.h)
   Fix bug in pngerror.c: some long warnings were being improperly truncated
-    (CVE-2011-3464, bug introduced in libpng-1.5.3beta05).
-
-Version 1.6.0beta06 [January 24, 2012]
-  Added palette support to the simplified APIs. This commit
-    changes some of the macro definitions in png.h, app code
-    may need corresponding changes.
-  Increased the formatted warning buffer to 192 bytes.
-  Added color-map support to simplified API. This is an initial version for
-    review; the documentation has not yet been updated.
-  Fixed Min/GW uninstall to remove libpng.dll.a
-
-Version 1.6.0beta07 [January 28, 2012]
-  Eliminated Intel icc/icl compiler warnings. The Intel (GCC derived)
-    compiler issues slightly different warnings from those issued by the
-    current vesions of GCC. This eliminates those warnings by
-    adding/removing casts and small code rewrites.
-  Updated configure.ac from autoupdate: added --enable-werror option.
-    Also some layout regularization and removal of introduced tab characters
-    (replaced with 3-character indentation).  Obsolete macros identified by
-    autoupdate have been removed; the replacements are all in 2.59 so
-    the pre-req hasn't been changed.  --enable-werror checks for support
-    for -Werror (or the given argument) in the compiler.  This mimics the
-    gcc configure option by allowing -Werror to be turned on safely; without
-    the option the tests written in configure itself fail compilation because
-    they cause compiler warnings.
-  Rewrote autogen.sh to run autoreconf instead of running tools one-by-one.
-  Conditionalize the install rules for MINGW and CYGWIN in CMakeLists.txt and
-    set CMAKE_LIBRARY_OUTPUT_DIRECTORY to "lib" on all platforms (C. Yapp).
-  Freeze libtool files in the 'scripts' directory. This version of autogen.sh
-    attempts to dissuade people from running it when it is not, or should not,
-    be necessary.  In fact, autogen.sh does not work when run in a libpng
-    directory extracted from a tar distribution anymore. You must run it in
-    a GIT clone instead.
-  Added two images to contrib/pngsuite (1-bit and 2-bit transparent grayscale),
-    and renamed three whose names were inconsistent with those in
-    pngsuite/README.txt.
-
-Version 1.6.0beta08 [February 1, 2012]
-  Fixed Image::colormap misalignment in pngstest.c
-  Check libtool/libtoolize version number (2.4.2) in configure.ac
-  Divide test-pngstest.sh into separate pngstest runs for basic and
-    transparent images.
-  Moved automake options to AM_INIT_AUTOMAKE in configure.ac
-  Added color-tests, silent-rules (Not yet implemented in Makefile.am) and
-    version checking to configure.ac
-  Improved pngstest speed by not doing redundant tests and add const to
-    the background parameter of png_image_finish_read. The --background
-    option is now done automagically only when required, so that commandline
-    option no longer exists.
-  Cleaned up pngpriv.h to consistently declare all functions and data.
-    Also eliminated PNG_CONST_DATA, which is apparently not needed but we
-    can't be sure until it is gone.
-  Added symbol prefixing that allows all the libpng external symbols
-    to be prefixed (suggested by Reuben Hawkins).
-  Updated "ftbb*.png" list in the owatcom and vstudio projects.
-  Fixed 'prefix' builds on clean systems. The generation of pngprefix.h
-    should not require itself.
-  Updated INSTALL to explain that autogen.sh must be run in a GIT clone,
-    not in a libpng directory extracted from a tar distribution.
-
-Version 1.6.0beta09 [February 1, 2012]
-  Reverted the prebuilt configure files to libpng-1.6.0beta05 condition.
-
-Version 1.6.0beta10 [February 3, 2012]
-  Added Z_SOLO for zlib-1.2.6+ and correct pngstest tests
-  Updated list of test images in CMakeLists.txt
-  Updated the prebuilt configure files to current condition.
-  Revised INSTALL information about autogen.sh; it works in tar distributions.
-
-Version 1.6.0beta11 [February 16, 2012]
-  Fix character count in pngstest command in projects/owatcom/pngstest.tgt
-  Revised test-pngstest.sh to report PASS/FAIL for each image.
-  Updated documentation about the simplified API.
-  Corrected estimate of error in libpng png_set_rgb_to_gray API.  The API is
-    extremely inaccurate for sRGB conversions because it uses an 8-bit
-    intermediate linear value and it does not use the sRGB transform, so it
-    suffers from the known instability in gamma transforms for values close
-    to 0 (see Poynton).  The net result is that the calculation has a maximum
-    error of 14.99/255; 0.5/255^(1/2.2).  pngstest now uses 15 for the
-    permitted 8-bit error. This may still not be enough because of arithmetic
-    error.
-  Removed some unused arrays (with #ifdef) from png_read_push_finish_row().
-  Fixed a memory overwrite bug in simplified read of RGB PNG with
-    non-linear gamma Also bugs in the error checking in pngread.c and changed
-    quite a lot of the checks in pngstest.c to be correct; either correctly
-    written or not over-optimistic.  The pngstest changes are insufficient to
-    allow all possible RGB transforms to be passed; pngstest cmppixel needs
-    to be rewritten to make it clearer which errors it allows and then changed
-    to permit known inaccuracies.
-  Removed tests for no-longer-used *_EMPTY_PLTE_SUPPORTED from pngstruct.h
-  Fixed fixed/float API export conditionals. 1) If FIXED_POINT or
-    FLOATING_POINT options were switched off, png.h ended up with lone ';'
-    characters.  This is not valid ANSI-C outside a function.  The ';'
-    characters have been moved inside the definition of PNG_FP_EXPORT and
-    PNG_FIXED_EXPORT. 2) If either option was switched off, the declaration
-    of the corresponding functions were completely omitted, even though some
-    of them are still used internally.  The result is still valid, but
-    produces warnings from gcc with some warning options (including -Wall). The
-    fix is to cause png.h to declare the functions with PNG_INTERNAL_FUNCTION
-    when png.h is included from pngpriv.h.
-  Check for invalid palette index while reading paletted PNG.  When one is
-    found, issue a warning and increase png_ptr->num_palette accordingly.
-    Apps are responsible for checking to see if that happened.
-
-Version 1.6.0beta12 [February 18, 2012]
-  Do not increase num_palette on invalid_index.
-  Relocated check for invalid palette index to pngrtran.c, after unpacking
-    the sub-8-bit pixels.
-  Fixed CVE-2011-3026 buffer overrun bug.  This bug was introduced when
-    iCCP chunk support was added at libpng-1.0.6. Deal more correctly with the
-    test on iCCP chunk length. Also removed spurious casts that may hide
-    problems on 16-bit systems.
-
-Version 1.6.0beta13 [February 24, 2012]
-  Eliminated redundant png_push_read_tEXt|zTXt|iTXt|unknown code from
-    pngpread.c and use the sequential png_handle_tEXt, etc., in pngrutil.c;
-    now that png_ptr->buffer is inaccessible to applications, the special
-    handling is no longer useful.
-  Added PNG_SAFE_LIMITS feature to pnglibconf.dfa, pngpriv.h, and new
-    pngusr.dfa to reset the user limits to safe ones if PNG_SAFE_LIMITS is
-    defined.  To enable, use "CPPFLAGS=-DPNG_SAFE_LIMITS_SUPPORTED=1" on the
-    configure command or put #define PNG_SAFE_LIMITS_SUPPORTED in
-    pnglibconf.h.prebuilt and pnglibconf.h.
-
-Version 1.6.0beta14 [February 27, 2012]
-  Added information about the new limits in the manual.
-  Updated Makefile.in
-
-Version 1.6.0beta15 [March 2, 2012]
-  Removed unused "current_text" members of png_struct and the png_free()
-    of png_ptr->current_text from pngread.c
-  Rewrote pngstest.c for substantial speed improvement.
-  Fixed transparent pixel and 16-bit rgb tests in pngstest and removed a
-    spurious check in pngwrite.c
-  Added PNG_IMAGE_FLAG_FAST for the benefit of applications that store
-    intermediate files, or intermediate in-memory data, while processing
-    image data with the simplified API.  The option makes the files larger
-    but faster to write and read.  pngstest now uses this by default; this
-    can be disabled with the --slow option.
-  Improved pngstest fine tuning of error numbers, new test file generator.
-    The generator generates images that test the full range of sample values,
-    allow the error numbers in pngstest to be tuned and checked.  makepng
-    also allows generation of images with extra chunks, although this is
-    still work-in-progress.
-  Added check for invalid palette index while reading.
-  Fixed some bugs in ICC profile writing. The code should now accept
-    all potentially valid ICC profiles and reject obviously invalid ones.
-    It now uses png_error() to do so rather than casually writing a PNG
-    without the necessary color data.
-  Removed whitespace from the end of lines in all source files and scripts.
-
-Version 1.6.0beta16 [March 6, 2012]
-  Relocated palette-index checking function from pngrutil.c to pngtrans.c
-  Added palette-index checking while writing.
-  Changed png_inflate() and calling routines to avoid overflow problems.
-    This is an intermediate check-in that solves the immediate problems and
-    introduces one performance improvement (avoiding a copy via png_ptr->zbuf.)
-    Further changes will be made to make ICC profile handling more secure.
-  Fixed build warnings (MSVC, GCC, GCC v3). Cygwin GCC with default options
-    declares 'index' as a global, causing a warning if it is used as a local
-    variable.  GCC 64-bit warns about assigning a (size_t) (unsigned 64-bit)
-    to an (int) (signed 32-bit).  MSVC, however, warns about using the
-    unary '-' operator on an unsigned value (even though it is well defined
-    by ANSI-C to be ~x+1).  The padding calculation was changed to use a
-    different method.  Removed the tests on png_ptr->pass.
-  Added contrib/libtests/tarith.c to test internal arithmetic functions from
-    png.c. This is a libpng maintainer program used to validate changes to the
-    internal arithmetic functions.
-  Made read 'inflate' handling like write 'deflate' handling. The read
-    code now claims and releases png_ptr->zstream, like the write code.
-    The bug whereby the progressive reader failed to release the zstream
-    is now fixed, all initialization is delayed, and the code checks for
-    changed parameters on deflate rather than always calling
-    deflatedEnd/deflateInit.
-  Validate the zTXt strings in pngvalid.
-  Added code to validate the windowBits value passed to deflateInit2().
-    If the call to deflateInit2() is wrong a png_warning will be issued
-    (in fact this is harmless, but the PNG data produced may be sub-optimal).
-
-Version 1.6.0beta17 [March 10, 2012]
-  Fixed PNG_LIBPNG_BUILD_BASE_TYPE definition. 
-  Reject all iCCP chunks after the first, even if the first one is invalid.
-  Deflate/inflate was reworked to move common zlib calls into single
-    functions [rw]util.c.  A new shared keyword check routine was also added
-    and the 'zbuf' is no longer allocated on progressive read.  It is now
-    possible to call png_inflate() incrementally.
-  If benign errors are disabled use maximum window on ancilliary inflate.
-    This works round a bug introduced in 1.5.4 where compressed ancillary
-    chunks could end up with a too-small windowBits value in the deflate
-    header.
-
-Version 1.6.0beta18 [March 16, 2012]
-  Issue a png_benign_error() instead of png_warning() about bad palette index.
-  In pngtest, treat benign errors as errors if "-strict" is present.
-  Fixed an off-by-one error in the palette index checking function.
-  Fixed a compiler warning under Cygwin (Windows-7, 32-bit system)
-  Revised example.c to put text strings in a temporary character array
-    instead of directly assigning string constants to png_textp members.
-    This avoids compiler warnings when -Wwrite-strings is enabled.
-  Added output flushing to aid debugging under Visual Studio. Unfortunately
-    this is necessary because the VS2010 output window otherwise simply loses
-    the error messages on error (they weren't flushed to the window before
-    the process exited, apparently!)
-  Added configuration support for benign errors and changed the read
-    default. Also changed some warnings in the iCCP and sRGB handling
-    from to benign errors. Configuration now makes read benign
-    errors warnings and write benign errors to errors by default (thus
-    changing the behavior on read).  The simplified API always forces
-    read benign errors to warnings (regardless of the system default, unless
-    this is disabled in which case the simplified API can't be built.)
-
-Version 1.6.0beta19 [March 18, 2012]
-  Work around for duplicate row start calls; added warning messages.
-    This turns on PNG_FLAG_DETECT_UNINITIALIZED to detect app code that
-    fails to call one of the 'start' routines (not enabled in libpng-1.5
-    because it is technically an API change, since it did normally work
-    before.)  It also makes duplicate calls to png_read_start_row (an
-    internal function called at the start of the image read) benign, as
-    they were before changes to use png_inflate_claim. Somehow webkit is
-    causing this to happen; this is probably a mis-feature in the zlib
-    changes so this commit is only a work-round.
-  Removed erroneous setting of DETECT_UNINITIALIZED and added more
-    checks. The code now does a png_error if an attempt is made to do the
-    row initialization twice; this is an application error and it has
-    serious consequences because the transform data in png_struct is
-    changed by each call.
-  Added application error reporting and added chunk names to read
-    benign errors; also added --strict to pngstest - not enabled
-    yet because a warning is produced.
-  Avoid the double gamma correction warning in the simplified API.
-    This allows the --strict option to pass in the pngstest checks
-
-Version 1.6.0beta20 [March 29, 2012]
-  Changed chunk handler warnings into benign errors, incrementally load iCCP
-  Added checksum-icc.c to contrib/tools
-  Prevent PNG_EXPAND+PNG_SHIFT doing the shift twice.
-  Recognize known sRGB ICC profiles while reading; prefer writing the
-    iCCP profile over writing the sRGB chunk, controlled by the
-    PNG_sRGB_PROFILE_CHECKS option.
-  Revised png_set_text_2() to avoid potential memory corruption (fixes
-    CVE-2011-3048, also known as CVE-2012-3425).
-
-Version 1.6.0beta21 [April 27, 2012]
-  Revised scripts/makefile.darwin: use system zlib; remove quotes around
-    architecture list; add missing ppc architecture; add architecture options
-    to shared library link; don't try to create a shared lib based on missing
-    RELEASE variable.
-  Enable png_set_check_for_invalid_index() for both read and write.
-  Removed #ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED in pngpriv.h around
-    declaration of png_handle_unknown().
-  Added -lssp_nonshared in a comment in scripts/makefile.freebsd
-    and changed deprecated NOOBJ and NOPROFILE to NO_OBJ and NO_PROFILE.
-
-Version 1.6.0beta22 [May 23, 2012]
-  Removed need for -Wno-cast-align with clang.  clang correctly warns on
-    alignment increasing pointer casts when -Wcast-align is passed. This
-    fixes the cases that clang warns about either by eliminating the
-    casts from png_bytep to png_uint_16p (pngread.c), or, for pngrutil.c
-    where the cast is previously verified or pngstest.c where it is OK, by
-    introducing new png_aligncast macros to do the cast in a way that clang
-    accepts.
-
-Version 1.6.0beta23 [June 6, 2012]
-  Revised CMakeLists.txt to not attempt to make a symlink under mingw.
-  Made fixes for new optimization warnings from gcc 4.7.0. The compiler
-    performs an optimization which is safe; however it then warns about it.
-    Changing the type of 'palette_number' in pngvalid.c removes the warning.
-  Do not depend upon a GCC feature macro being available for use in generating
-    the linker mapfile symbol prefix.
-  Improved performance of new do_check_palette_indexes() function (only
-    update the value when it actually increases, move test for whether
-    the check is wanted out of the function.
-
-Version 1.6.0beta24 [June 7, 2012]
-  Don't check palette indexes if num_palette is 0 (as it can be in MNG files).
-
-Version 1.6.0beta25 [June 16, 2012]
-  Revised png_set_keep_unknown_chunks() so num_chunks < 0 means ignore all
-    unknown chunks and all known chunks except for IHDR, PLTE, tRNS, IDAT,
-    and IEND.  Previously it only meant ignore all unknown chunks, the
-    same as num_chunks == 0. Revised png_image_skip_unused_chunks() to
-    provide a list of chunks to be processed instead of a list of chunks to
-    ignore.  Revised contrib/gregbook/readpng2.c accordingly.
-
-Version 1.6.0beta26 [July 10, 2012]
-  Removed scripts/makefile.cegcc from the *.zip and *.7z distributions; it
-    depends on configure, which is not included in those archives.
-  Moved scripts/chkfmt to contrib/tools.
-  Changed "a+w" to "u+w" in Makefile.in to fix CVE-2012-3386.
-
-Version 1.6.0beta27 [August 11, 2012]
-  Do not compile PNG_DEPRECATED, PNG_ALLOC and PNG_PRIVATE when __GNUC__ < 3.
-  Do not use __restrict when GNUC is <= 3.1
-  Removed references to png_zalloc() and png_zfree() from the manual.
-  Fixed configurations where floating point is completely disabled.  Because
-    of the changes to support symbol prefixing PNG_INTERNAL_FUNCTION declares
-    floating point APIs during libpng builds even if they are completely
-    disabled. This requires the png floating point types (png_double*) to be
-    declared even though the functions are never actually defined.  This
-    change provides a dummy definition so that the declarations work, yet any
-    implementation will fail to compile because of an incomplete type.
-  Re-eliminated the use of strcpy() in pngtest.c.  An unncessary use of
-    strcpy() was accidentally re-introduced in libpng16; this change replaces
-    it with strncpy().
-  Eliminated use of png_sizeof(); use sizeof() instead.
-  Use a consistent style for (sizeof type) and (sizeof (array))
-  Cleanup of png_set_filler().  This function does very different things on
-    read and write.  In libpng 1.6 the two cases can be distinguished and
-    considerable code cleanup, and extra error checking, is possible.  This
-    makes calls on the write side that have no effect be ignored with a
-    png_app_error(), which can be disabled in the app using
-    png_set_benign_errors(), and removes the spurious use of usr_channels
-    on the read side.
-  Insist on autotools 1.12.1 for git builds because there are security issues
-    with 1.12 and insisting on anything less would allow 1.12 to be used.
-  Removed info_ptr->signature[8] from WRITE-only builds.
-  Add some conditions for compiling png_fixed().  This is a small function
-    but it requires "-lm" on some platforms.
-  Cause pngtest --strict to fail on any warning from libpng (not just errors)
-    and cause it not to fail at the comparison step if libpng lacks support
-    for writing chunks that it reads from the input (currently only implemented
-    for compressed text chunks).
-  Make all three "make check" test programs work without READ or WRITE support.
-    Now "make check" will succeed even if libpng is compiled with -DPNG_NO_READ
-    or -DPNG_NO_WRITE.  The tests performed are reduced, but the basic reading
-    and writing of a PNG file is always tested by one or more of the tests.
-  Consistently use strlen(), memset(), memcpy(), and memcmp() instead of the
-    png_strlen(), png_memset(), png_memcpy(), and png_memcmp() macros.
-  Removed the png_sizeof(), png_strlen(), png_memset(), png_memcpy(), and
-    png_memcmp() macros.
-  Work around gcc 3.x and Microsoft Visual Studio 2010 complaints. Both object
-    to the split initialization of num_chunks.
-
-Version 1.6.0beta28 [August 29, 2012]
-  Unknown handling fixes and clean up. This adds more correct option
-    control of the unknown handling, corrects the pre-existing bug where
-    the per-chunk 'keep' setting is ignored and makes it possible to skip
-    IDAT chunks in the sequential reader (broken in earlier 1.6 versions).
-    There is a new test program, test-unknown.c, which is a work in progress
-    (not currently part of the test suite).  Comments in the header files now
-    explain how the unknown handling works.
-  Allow fine grain control of unknown chunk APIs. This change allows
-    png_set_keep_unknown_chunks() to be turned off if not required and causes
-    both read and write to behave appropriately (on read this is only possible
-    if the user callback is used to handle unknown chunks).  The change
-    also removes the support for storing unknown chunks in the info_struct
-    if the only unknown handling enabled is via the callback, allowing libpng
-    to be configured with callback reading and none of the unnecessary code.
-  Corrected fix for unknown handling in pngtest. This reinstates the
-    libpng handling of unknown chunks other than vpAg and sTER (including
-    unsafe-to-copy chunks which were dropped before) and eliminates the
-    repositioning of vpAg and sTER in pngtest.png by changing pngtest.png
-    (so the chunks are where libpng would put them).
-  Added "tunknown" test and corrected a logic error in png_handle_unknown()
-    when SAVE support is absent.  Moved the shell test scripts for
-    contrib/libtests from the libpng top directory to contrib/libtests.
-    png_handle_unknown() must always read or skip the chunk, if
-    SAVE_UNKNOWN_CHUNKS is turned off *and* the application does not set
-    a user callback an unknown chunk will not be read, leading to a read
-    error, which was revealed by the "tunknown" test.
-  Cleaned up and corrected ICC profile handling.
-    contrib/libtests/makepng: corrected 'rgb' and 'gray' cases.  profile_error
-    messages could be truncated; made a correct buffer size calculation and
-    adjusted pngerror.c appropriately. png_icc_check_* checking improved;
-    changed the functions to receive the correct color type of the PNG on read
-    or write and check that it matches the color space of the profile (despite
-    what the comments said before, there is danger in assuming the app will
-    cope correctly with an RGB profile on a grayscale image and, since it
-    violates the PNG spec, allowing it is certain to produce inconsistent
-    app behavior and might even cause app crashes.) Check that profiles
-    contain the tags needed to process the PNG (tags all required by the ICC
-    spec). Removed unused PNG_STATIC from pngpriv.h.
+    (bug introduced in libpng-1.5.3beta05).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

CMakeLists.txt

@@ -191,18 +191,16 @@ if(PNG_TESTS AND PNG_SHARED)
     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn4a16.png
     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn6a08.png
     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn6a16.png
-    ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn0g01.png
-    ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn0g02.png
-    ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn0g04.png
+    ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn1g04.png
     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn2c16.png
     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn3p08.png
     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbgn2c16.png
     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbgn3p08.png
     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbrn2c08.png
-    ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbwn0g16.png
+    ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbwn1g16.png
     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbwn3p08.png
     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbyn3p08.png
-    ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftp0n0g08.png
+    ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftp0n1g08.png
     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftp0n2c08.png
     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftp0n3p08.png
     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftp1n3p08.png
@@ -211,7 +209,11 @@ endif()
 
 # Ensure the CMAKE_LIBRARY_OUTPUT_DIRECTORY is set
 IF(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
-  SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "lib")
+  IF(WIN32)
+    SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "bin")
+  ELSE(WIN32)
+    SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "lib")
+  ENDIF(WIN32)
 ENDIF(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
 
 # Set a variable with CMake code which:
@@ -219,7 +221,7 @@ ENDIF(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
 # copies if different.
 macro(CREATE_SYMLINK SRC_FILE DEST_FILE)
   FILE(REMOVE ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE})
-  if(WIN32 AND NOT CYGWIN AND NOT MSYS)
+  if(WIN32 AND NOT CYGWIN AND NOT MINGW)
     ADD_CUSTOM_COMMAND(
         OUTPUT ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE}   ${CMAKE_CURRENT_BINARY_DIR}/${DEST_FILE}
         COMMAND ${CMAKE_COMMAND} -E copy        ${CMAKE_CURRENT_BINARY_DIR}/${SRC_FILE} ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE}
@@ -227,10 +229,10 @@ macro(CREATE_SYMLINK SRC_FILE DEST_FILE)
         DEPENDS ${PNG_LIB_NAME} ${PNG_LIB_NAME_STATIC}
         )
     ADD_CUSTOM_TARGET(${DEST_FILE}_COPY ALL DEPENDS ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE})
-  else(WIN32 AND NOT CYGWIN AND NOT MSYS)
+  else(WIN32 AND NOT CYGWIN AND NOT MINGW)
     execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${SRC_FILE} ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
     execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${SRC_FILE} ${DEST_FILE} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
-  endif(WIN32 AND NOT CYGWIN AND NOT MSYS)
+  endif(WIN32 AND NOT CYGWIN AND NOT MINGW)
 endmacro()
 
 # libpng is a library so default to 'lib'
@@ -242,25 +244,25 @@ endif(NOT DEFINED CMAKE_INSTALL_LIBDIR)
 # we use the same files like ./configure, so we have to set its vars
 # Only do this on Windows for Cygwin - the files don't make much sense outside
 # a UNIX look alike
-if(NOT WIN32 OR CYGWIN OR MINGW)
-  set(prefix      ${CMAKE_INSTALL_PREFIX})
-  set(exec_prefix ${CMAKE_INSTALL_PREFIX})
-  set(libdir      ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
-  set(includedir  ${CMAKE_INSTALL_PREFIX}/include)
-  set(LIBS        "-lz -lm")
-  configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
-    ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc @ONLY)
-  CREATE_SYMLINK(${PNGLIB_NAME}.pc libpng.pc)
+if(NOT WIN32 OR CYGWIN OR MINGW) 
+set(prefix      ${CMAKE_INSTALL_PREFIX})
+set(exec_prefix ${CMAKE_INSTALL_PREFIX})
+set(libdir      ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
+set(includedir  ${CMAKE_INSTALL_PREFIX}/include)
+set(LIBS        "-lz -lm")
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
+  ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc @ONLY)
+CREATE_SYMLINK(${PNGLIB_NAME}.pc libpng.pc)
 
-  configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
-    ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config @ONLY)
-  CREATE_SYMLINK(${PNGLIB_NAME}-config libpng-config)
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
+  ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config @ONLY)
+CREATE_SYMLINK(${PNGLIB_NAME}-config libpng-config)
 endif(NOT WIN32 OR CYGWIN OR MINGW)
 
 # SET UP LINKS
 if(PNG_SHARED)
   set_target_properties(${PNG_LIB_NAME} PROPERTIES
-#   VERSION 16.${PNGLIB_RELEASE}.1.6.0beta28
+#   VERSION 16.${PNGLIB_RELEASE}.1.6.0beta05
     VERSION 16.${PNGLIB_RELEASE}.0
     SOVERSION 16
     CLEAN_DIRECT_OUTPUT 1)
@@ -332,13 +334,10 @@ if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
   install(FILES ${libpng_public_hdrs}   DESTINATION include/${PNGLIB_NAME})
 endif()
 if(NOT SKIP_INSTALL_EXECUTABLES AND NOT SKIP_INSTALL_ALL )
-  if(NOT WIN32 OR CYGWIN OR MINGW)
-    install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config DESTINATION bin)
-    install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
-            DESTINATION bin)
-  endif(NOT WIN32 OR CYGWIN OR MINGW)
+  install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config DESTINATION bin)
+  install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
+          DESTINATION bin)
 endif()
-
 if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
   # Install man pages
   if(NOT PNG_MAN_DIR)
@@ -347,16 +346,14 @@ if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
   install(FILES libpng.3 libpngpf.3      DESTINATION ${PNG_MAN_DIR}/man3)
   install(FILES png.5                    DESTINATION ${PNG_MAN_DIR}/man5)
   # Install pkg-config files
-  if(NOT WIN32 OR CYGWIN OR MINGW)
-    install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc
-            DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
-    install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config
-            DESTINATION bin)
-    install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc
-            DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
-    install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
-            DESTINATION bin)
-  endif(NOT WIN32 OR CYGWIN OR MINGW)
+  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc
+          DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+  install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config
+          DESTINATION bin)
+  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc
+          DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+  install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
+          DESTINATION bin)
 endif()
 
 # On versions of CMake that support it, create an export file CMake

INSTALL

@@ -9,16 +9,16 @@ On Unix/Linux and similar systems, you can simply type
 
 and ignore the rest of this document.
 
-If configure does not work on your system, or if you have a need to
-change configure.ac or Makefile.am, and you have a reasonably
-up-to-date set of tools, running ./autogen.sh in a git clone before
-running ./configure may fix the problem.  To be really sure that you
-aren't using any of the included pre-built scripts, you can do this:
+If configure does not work on your system and you have a reasonably
+up-to-date set of tools, running ./autogen.sh before running ./configure
+may fix the problem.  You can also run the individual commands in
+autogen.sh with the --force option, if supported by your version of
+the tools.  To be really sure that you aren't using any of the included
+pre-built scripts, you can do this:
 
     ./configure --enable-maintainer-mode
     make maintainer-clean
-    ./autogen.sh --maintainer --clean
-    ./autogen.sh --maintainer
+    ./autogen.sh
     ./configure [--prefix=/path] [other options]
     make
     make install

LICENSE

@@ -10,8 +10,8 @@ this sentence.
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.6.0beta28, August 29, 2012, are
-Copyright (c) 2004, 2006-2012 Glenn Randers-Pehrson, and are
+libpng versions 1.2.6, August 15, 2004, through 1.6.0beta05, February 3, 2012, are
+Copyright (c) 2004, 2006-2011 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.2.5
 with the following individual added to the list of Contributing Authors
 
@@ -108,4 +108,4 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-August 29, 2012
+February 3, 2012

Makefile.am

@@ -14,17 +14,12 @@ pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
 TESTS = test-pngtest.sh
 
 # Only do the following if the contrib directory is present.
-check_PROGRAMS+= pngvalid pngstest pngunknown
+check_PROGRAMS+= pngvalid pngstest
 pngvalid_SOURCES = contrib/libtests/pngvalid.c
 pngstest_SOURCES = contrib/libtests/pngstest.c
-pngunknown_SOURCES = contrib/libtests/pngunknown.c
 pngvalid_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
 pngstest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
-pngunknown_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
-TESTS += contrib/libtests/test-pngunknown.sh\
-	 contrib/libtests/test-pngvalid-simple.sh\
-	 contrib/libtests/test-pngvalid-full.sh\
-	 contrib/libtests/test-pngstest.sh
+TESTS += test-pngvalid-simple.sh test-pngvalid-full.sh test-pngstest.sh
 
 # man pages
 dist_man_MANS= libpng.3 libpngpf.3 png.5
@@ -40,7 +35,7 @@ lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngerror.c\
 	pngget.c pngmem.c pngpread.c pngread.c pngrio.c pngrtran.c pngrutil.c\
 	pngset.c pngtrans.c pngwio.c pngwrite.c pngwtran.c pngwutil.c\
-	png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h pngusr.dfa
+	png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h
 
 if PNG_ARM_NEON
 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/filter_neon.S
@@ -163,7 +158,6 @@ $(srcdir)/scripts/pnglibconf.h.prebuilt:
 # an installed one (this can happen immediately after on a clean system if
 # 'make test' is the first thing the user does.)
 contrib/libtests/pngstest.o contrib/libtests/pngvalid.o pngtest.o: pnglibconf.h
-contrib/libtests/pngunknown.o: pnglibconf.h
 
 # We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually
 # be built with PNG_USE_READ_MACROS; this prevents the read macros from
@@ -190,11 +184,11 @@ endif
 	mv $*.tf3 $@
 
 # The .dfn file for pnglibconf.h is machine generated
-pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
+pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h
 	rm -f $@ $*.tf[45]
 	$(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf4 version=search\
 	    ${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
-	    ${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
+	    $(DFA_XTRA) 1>&2
 	$(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf5 $*.tf4 1>&2
 	rm $*.tf4
 	mv $*.tf5 $@

README

@@ -1,4 +1,4 @@
-README for libpng version 1.6.0beta28 - August 29, 2012 (shared library 16.0)
+README for libpng version 1.6.0beta05 - February 3, 2012 (shared library 16.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
@@ -105,7 +105,7 @@ based in a large way on Guy's and Andreas' earlier work), and the PNG
 development group.
 
 Send comments/corrections/commendations to png-mng-implement at
-lists.sourceforge.net (subscription required; visit
+lists.sourceforge.net (subscription required; visit 
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement
 to subscribe) or to glennrp at users.sourceforge.net
 

autogen.sh

@@ -134,7 +134,7 @@ do
       libpng_autotools_file_missing=1
    fi
 done
-#
+# 
 # The cache directory doesn't matter - it will be regenerated and does not exist
 # anyway in a tarball.
 #
@@ -213,7 +213,7 @@ case "$mode" in
       exec >&2
       echo "Your system has a partial set of autotools generated files."
       echo "autogen.sh is unable to proceed.  The full set of files is"
-      echo "contained in the libpng 'tar' distribution archive and you do"
-      echo "not need to run autogen.sh if you use it."
+      echo "contained in the distribution archive and you do not need to run"
+      echo "autogen.sh if you use it."
       exit 1;;
 esac

configure.ac

@@ -18,15 +18,15 @@ AC_PREREQ([2.68])
 
 dnl Version number stuff here:
 
-AC_INIT([libpng],[1.6.0beta28],[png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng],[1.6.0beta05],[png-mng-implement@lists.sourceforge.net])
 AC_CONFIG_MACRO_DIR([scripts])
 
 # libpng does not follow GNU file name conventions (hence 'foreign')
 # color-tests requires automake 1.11 or later
 # silent-rules requires automake 1.11 or later
 # dist-xz requires automake 1.11 or later
-# 1.12.2 fixes a security issue in 1.11.2 and 1.12.1
-AM_INIT_AUTOMAKE([1.12.2 foreign dist-xz dist-bzip2 color-tests silent-rules])
+# 1.11.1 fixes a security issue in 1.11
+AM_INIT_AUTOMAKE([1.11.1 foreign dist-xz dist-bzip2 color-tests silent-rules])
 # was:
 # AM_INIT_AUTOMAKE
 AM_MAINTAINER_MODE
@@ -37,7 +37,7 @@ dnl automake, so the following is not necessary (and is not defined anyway):
 dnl AM_PREREQ([1.11.2])
 dnl stop configure from automagically running automake
 
-PNGLIB_VERSION=1.6.0beta28
+PNGLIB_VERSION=1.6.0beta05
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=6
 PNGLIB_RELEASE=0
@@ -185,9 +185,9 @@ AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
 if test "$have_ld_version_script" = "yes"; then
     AC_MSG_CHECKING([for symbol prefix])
     SYMBOL_PREFIX=`echo "PREFIX=__USER_LABEL_PREFIX__" \
-                  | ${CPP-${CC-gcc} -E} - 2>&1 \
-                  | ${EGREP-grep} "^PREFIX=" \
-                  | ${SED-sed} -e "s:^PREFIX=::" -e "s:__USER_LABEL_PREFIX__::"`
+                   | ${CPP-${CC-gcc} -E} - 2>&1 \
+                   | ${EGREP-grep} "^PREFIX=" \
+                   | ${SED-sed} "s:^PREFIX=::"`
     AC_SUBST(SYMBOL_PREFIX)
     AC_MSG_RESULT($SYMBOL_PREFIX)
 fi

contrib/examples/pngpixel.c

@@ -103,7 +103,7 @@ print_pixel(png_structp png_ptr, png_infop info_ptr, png_const_bytep row,
                      index < num_trans ? trans_alpha[index] : 255);
 
                else /* no transparency */
-                  printf("INDEXED %u = %d %d %d\n", index,
+                  printf("INDEXED %u = %d %d %d\n", index, 
                      palette[index].red, palette[index].green,
                      palette[index].blue);
             }

contrib/examples/pngtopng.c

@@ -34,7 +34,7 @@ int main(int argc, const char **argv)
       if (png_image_begin_read_from_file(&image, argv[1]))
       {
          png_bytep buffer;
-
+         
          /* Change this to try different formats! */
          image.format = PNG_FORMAT_RGBA;
 

contrib/gregbook/readpng2.c

@@ -136,23 +136,29 @@ int readpng2_init(mainprog_info *mainprog_ptr)
      * used, i.e., all chunks recognized by libpng except for IHDR, PLTE, IDAT,
      * IEND, tRNS, bKGD, gAMA, and sRGB (small performance improvement) */
     {
-        /* These byte strings were copied from png.h.  If a future version
-         * of readpng2.c recognizes more chunks, add them to this list.
-         */
-        static PNG_CONST png_byte chunks_to_process[] = {
-            98,  75,  71,  68, '\0',  /* bKGD */
-           103,  65,  77,  65, '\0',  /* gAMA */
-           115,  82,  71,  66, '\0',  /* sRGB */
-           };
+        /* These byte strings were copied from png.h.  If a future libpng
+         * version recognizes more chunks, add them to this list.  If a
+         * future version of readpng2.c recognizes more chunks, delete them
+         * from this list. */
+        static /* const */ png_byte chunks_to_ignore[] = {
+             99,  72,  82,  77, '\0',  /* cHRM */
+            104,  73,  83,  84, '\0',  /* hIST */
+            105,  67,  67,  80, '\0',  /* iCCP */
+            105,  84,  88, 116, '\0',  /* iTXt */
+            111,  70,  70, 115, '\0',  /* oFFs */
+            112,  67,  65,  76, '\0',  /* pCAL */
+            112,  72,  89, 115, '\0',  /* pHYs */
+            115,  66,  73,  84, '\0',  /* sBIT */
+            115,  67,  65,  76, '\0',  /* sCAL */
+            115,  80,  76,  84, '\0',  /* sPLT */
+            115,  84,  69,  82, '\0',  /* sTER */
+            116,  69,  88, 116, '\0',  /* tEXt */
+            116,  73,  77,  69, '\0',  /* tIME */
+            122,  84,  88, 116, '\0'   /* zTXt */
+        };
 
-       /* Ignore all chunks except for IHDR, PLTE, tRNS, IDAT, and IEND */
-       png_set_keep_unknown_chunks(png_ptr, -1 /* PNG_HANDLE_CHUNK_NEVER */,
-          NULL, -1);
-
-       /* But do not ignore chunks in the "chunks_to_process" list */
-       png_set_keep_unknown_chunks(png_ptr,
-          0 /* PNG_HANDLE_CHUNK_AS_DEFAULT */, chunks_to_process,
-          sizeof(chunks_to_process)/5);
+        png_set_keep_unknown_chunks(png_ptr, 1 /* PNG_HANDLE_CHUNK_NEVER */,
+          chunks_to_ignore, sizeof(chunks_to_ignore)/5);
     }
 #endif /* PNG_HANDLE_AS_UNKNOWN_SUPPORTED */
 

contrib/libtests/gentests.sh

@@ -1,102 +0,0 @@
-#!/bin/sh
-#
-# Copyright (c) 2012 John Cunningham Bowler
-#
-# Last changed in libpng 1.6.0 [(PENDING RELEASE)]
-#
-# This code is released under the libpng license.
-# For conditions of distribution and use, see the disclaimer
-# and license in png.h
-#
-# Generate a set of PNG test images.  The images are generated in a
-# sub-directory called 'tests' by default, however a command line argument will
-# change that name.  The generation requires a built version of makepng in the
-# current directory.
-#
-usage(){
-   exec >&2
-   echo "$0 [<directory>]"
-   echo '  Generate a set of PNG test files in "directory" ("tests" by default)'
-   exit 1
-}
-
-mp="$PWD/makepng"
-test -x "$mp" || {
-   exec >&2
-   echo "$0: the 'makepng' program must exist"
-   echo "  in the directory within which this program:"
-   echo "    $mp"
-   echo "  is executed"
-   usage
-}
-
-# Just one argument: the directory
-testdir="tests"
-test $# -gt 1 && {
-   testdir="$1"
-   shift
-}
-test $# -eq 0 || usage
-
-# Take care not to clobber something
-if test -e "$testdir"
-then
-   test -d "$testdir" || usage
-else
-   # mkdir -p isn't portable, so do the following
-   mkdir "$testdir" 2>/dev/null || mkdir -p "$testdir" || usage
-fi
-
-# This fails in a very satisfactory way if it's not accessible
-cd "$testdir"
-:>"test$$.png" || {
-   exec >&2
-   echo "$testdir: directory not writable"
-   usage
-}
-rm "test$$.png" || {
-   exec >&2
-   echo "$testdir: you have create but not write privileges here."
-   echo "  This is unexpected.  You have a spurion; "'"'"test$$.png"'"'"."
-   echo "  You need to remove this yourself.  Try a different directory."
-   exit 1
-}
-
-# Now call makepng ($mp) to create every file we can think of with a
-# reasonable name
-doit(){
-   for gamma in "" --sRGB --linear --1.8
-   do
-      case "$gamma" in
-         "")
-            gname=;;
-         --sRGB)
-            gname="-srgb";;
-         --linear)
-            gname="-lin";;
-         --1.8)
-            gname="-18";;
-         *)
-            gname="-$gamma";;
-      esac
-      "$mp" $gamma "$1" "$2" "test-$1-$2$gname.png"
-   done
-}
-#
-for ct in gray palette
-do
-   for bd in 1 2 4 8
-   do
-      doit "$ct" "$bd"
-   done
-done
-#
-doit "gray" "16"
-#
-for ct in gray-alpha rgb rgb-alpha
-do
-   for bd in 8 16
-   do
-      doit "$ct" "$bd"
-   done
-done

contrib/libtests/pngunknown.c

@@ -1,721 +0,0 @@
-
-/* pngunknown.c - test the read side unknown chunk handling
- *
- * Last changed in libpng 1.6.0 [(PENDING RELEASE)]
- * Copyright (c) 2012 Glenn Randers-Pehrson
- * Written by John Cunningham Bowler
- *
- * This code is released under the libpng license.
- * For conditions of distribution and use, see the disclaimer
- * and license in png.h
- *
- * NOTES:
- *   This is a C program that is intended to be linked against libpng.  It
- *   allows the libpng unknown handling code to be tested by interpreting
- *   arguments to save or discard combinations of chunks.  The program is
- *   currently just a minimal validation for the built-in libpng facilities.
- */
-
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-
-#include <png.h>
-
-#ifdef PNG_READ_SUPPORTED
-
-#if PNG_LIBPNG_VER < 10500
-/* This deliberately lacks the PNG_CONST. */
-typedef png_byte *png_const_bytep;
-
-/* This is copied from 1.5.1 png.h: */
-#define PNG_INTERLACE_ADAM7_PASSES 7
-#define PNG_PASS_START_ROW(pass) (((1U&~(pass))<<(3-((pass)>>1)))&7)
-#define PNG_PASS_START_COL(pass) (((1U& (pass))<<(3-(((pass)+1)>>1)))&7)
-#define PNG_PASS_ROW_SHIFT(pass) ((pass)>2?(8-(pass))>>1:3)
-#define PNG_PASS_COL_SHIFT(pass) ((pass)>1?(7-(pass))>>1:3)
-#define PNG_PASS_ROWS(height, pass) (((height)+(((1<<PNG_PASS_ROW_SHIFT(pass))\
-   -1)-PNG_PASS_START_ROW(pass)))>>PNG_PASS_ROW_SHIFT(pass))
-#define PNG_PASS_COLS(width, pass) (((width)+(((1<<PNG_PASS_COL_SHIFT(pass))\
-   -1)-PNG_PASS_START_COL(pass)))>>PNG_PASS_COL_SHIFT(pass))
-#define PNG_ROW_FROM_PASS_ROW(yIn, pass) \
-   (((yIn)<<PNG_PASS_ROW_SHIFT(pass))+PNG_PASS_START_ROW(pass))
-#define PNG_COL_FROM_PASS_COL(xIn, pass) \
-   (((xIn)<<PNG_PASS_COL_SHIFT(pass))+PNG_PASS_START_COL(pass))
-#define PNG_PASS_MASK(pass,off) ( \
-   ((0x110145AFU>>(((7-(off))-(pass))<<2)) & 0xFU) | \
-   ((0x01145AF0U>>(((7-(off))-(pass))<<2)) & 0xF0U))
-#define PNG_ROW_IN_INTERLACE_PASS(y, pass) \
-   ((PNG_PASS_MASK(pass,0) >> ((y)&7)) & 1)
-#define PNG_COL_IN_INTERLACE_PASS(x, pass) \
-   ((PNG_PASS_MASK(pass,1) >> ((x)&7)) & 1)
-
-/* These are needed too for the default build: */
-#define PNG_WRITE_16BIT_SUPPORTED
-#define PNG_READ_16BIT_SUPPORTED
-
-/* This comes from pnglibconf.h afer 1.5: */
-#define PNG_FP_1 100000
-#define PNG_GAMMA_THRESHOLD_FIXED\
-   ((png_fixed_point)(PNG_GAMMA_THRESHOLD * PNG_FP_1))
-#endif
-
-#if PNG_LIBPNG_VER < 10600
-   /* 1.6.0 constifies many APIs. The following exists to allow pngvalid to be
-    * compiled against earlier versions.
-    */
-#  define png_const_structp png_structp
-#endif
-
-
-/* Copied from pngpriv.h */
-#define PNG_32b(b,s) ((png_uint_32)(b) << (s))
-#define PNG_CHUNK(b1,b2,b3,b4) \
-   (PNG_32b(b1,24) | PNG_32b(b2,16) | PNG_32b(b3,8) | PNG_32b(b4,0))
-
-#define png_IHDR PNG_CHUNK( 73,  72,  68,  82)
-#define png_IDAT PNG_CHUNK( 73,  68,  65,  84)
-#define png_IEND PNG_CHUNK( 73,  69,  78,  68)
-#define png_PLTE PNG_CHUNK( 80,  76,  84,  69)
-#define png_bKGD PNG_CHUNK( 98,  75,  71,  68)
-#define png_cHRM PNG_CHUNK( 99,  72,  82,  77)
-#define png_gAMA PNG_CHUNK(103,  65,  77,  65)
-#define png_hIST PNG_CHUNK(104,  73,  83,  84)
-#define png_iCCP PNG_CHUNK(105,  67,  67,  80)
-#define png_iTXt PNG_CHUNK(105,  84,  88, 116)
-#define png_oFFs PNG_CHUNK(111,  70,  70, 115)
-#define png_pCAL PNG_CHUNK(112,  67,  65,  76)
-#define png_sCAL PNG_CHUNK(115,  67,  65,  76)
-#define png_pHYs PNG_CHUNK(112,  72,  89, 115)
-#define png_sBIT PNG_CHUNK(115,  66,  73,  84)
-#define png_sPLT PNG_CHUNK(115,  80,  76,  84)
-#define png_sRGB PNG_CHUNK(115,  82,  71,  66)
-#define png_sTER PNG_CHUNK(115,  84,  69,  82)
-#define png_tEXt PNG_CHUNK(116,  69,  88, 116)
-#define png_tIME PNG_CHUNK(116,  73,  77,  69)
-#define png_tRNS PNG_CHUNK(116,  82,  78,  83)
-#define png_zTXt PNG_CHUNK(122,  84,  88, 116)
-#define png_vpAg PNG_CHUNK('v', 'p', 'A', 'g')
-
-/* Test on flag values as defined in the spec (section 5.4): */
-#define PNG_CHUNK_ANCILLARY(c )   (1 & ((c) >> 29))
-#define PNG_CHUNK_CRITICAL(c)     (!PNG_CHUNK_ANCILLARY(c))
-#define PNG_CHUNK_PRIVATE(c)      (1 & ((c) >> 21))
-#define PNG_CHUNK_RESERVED(c)     (1 & ((c) >> 13))
-#define PNG_CHUNK_SAFE_TO_COPY(c) (1 & ((c) >>  5))
-
-/* Chunk information */
-#define PNG_INFO_tEXt 0x10000000U
-#define PNG_INFO_iTXt 0x20000000U
-#define PNG_INFO_zTXt 0x40000000U
-
-#define PNG_INFO_sTER 0x01000000U
-#define PNG_INFO_vpAg 0x02000000U
-
-#define ABSENT  0
-#define START   1
-#define END     2
-
-static struct
-{
-   char        name[5];
-   png_uint_32 flag;
-   png_uint_32 tag;
-   int         unknown;    /* Chunk not known to libpng */
-   int         all;        /* Chunk set by the '-1' option */
-   int         position;   /* position in pngtest.png */
-   int         keep;       /* unknown handling setting */
-} chunk_info[] = {
-   /* Critical chunks */
-   { "IDAT", PNG_INFO_IDAT, png_IDAT, 0, 0,  START, 0 }, /* must be [0] */
-   { "PLTE", PNG_INFO_PLTE, png_PLTE, 0, 0, ABSENT, 0 },
-
-   /* Non-critical chunks that libpng handles */
-   { "bKGD", PNG_INFO_bKGD, png_bKGD, 0, 1,  START, 0 },
-   { "cHRM", PNG_INFO_cHRM, png_cHRM, 0, 1,  START, 0 },
-   { "gAMA", PNG_INFO_gAMA, png_gAMA, 0, 1,  START, 0 },
-   { "hIST", PNG_INFO_hIST, png_hIST, 0, 1, ABSENT, 0 },
-   { "iCCP", PNG_INFO_iCCP, png_iCCP, 0, 1, ABSENT, 0 },
-   { "iTXt", PNG_INFO_iTXt, png_iTXt, 0, 1, ABSENT, 0 },
-   { "oFFs", PNG_INFO_oFFs, png_oFFs, 0, 1,  START, 0 },
-   { "pCAL", PNG_INFO_pCAL, png_pCAL, 0, 1,  START, 0 },
-   { "pHYs", PNG_INFO_pHYs, png_pHYs, 0, 1,  START, 0 },
-   { "sBIT", PNG_INFO_sBIT, png_sBIT, 0, 1,  START, 0 },
-   { "sCAL", PNG_INFO_sCAL, png_sCAL, 0, 1,  START, 0 },
-   { "sPLT", PNG_INFO_sPLT, png_sPLT, 0, 1, ABSENT, 0 },
-   { "sRGB", PNG_INFO_sRGB, png_sRGB, 0, 1,  START, 0 },
-   { "tEXt", PNG_INFO_tEXt, png_tEXt, 0, 1,  START, 0 },
-   { "tIME", PNG_INFO_tIME, png_tIME, 0, 1,  START, 0 },
-   { "tRNS", PNG_INFO_tRNS, png_tRNS, 0, 0, ABSENT, 0 },
-   { "zTXt", PNG_INFO_zTXt, png_zTXt, 0, 1,    END, 0 },
-
-   /* No libpng handling */
-   { "sTER", PNG_INFO_sTER, png_sTER, 1, 1,  START, 0 },
-   { "vpAg", PNG_INFO_vpAg, png_vpAg, 1, 0,  START, 0 },
-};
-
-#define NINFO ((int)((sizeof chunk_info)/(sizeof chunk_info[0])))
-
-static int
-find(const char *name)
-{
-   int i = NINFO;
-   while (--i >= 0)
-   {
-      if (memcmp(chunk_info[i].name, name, 4) == 0)
-         break;
-   }
-
-   return i;
-}
-
-static int
-findb(const png_byte *name)
-{
-   int i = NINFO;
-   while (--i >= 0)
-   {
-      if (memcmp(chunk_info[i].name, name, 4) == 0)
-         break;
-   }
-
-   return i;
-}
-
-static int
-find_by_flag(png_uint_32 flag)
-{
-   int i = NINFO;
-
-   while (--i >= 0) if (chunk_info[i].flag == flag) return i;
-
-   fprintf(stderr, "pngunknown: internal error\n");
-   exit(4);
-}
-
-static int
-ancillary(const char *name)
-{
-   return PNG_CHUNK_ANCILLARY(PNG_CHUNK(name[0], name[1], name[2], name[3]));
-}
-
-static int
-ancillaryb(const png_byte *name)
-{
-   return PNG_CHUNK_ANCILLARY(PNG_CHUNK(name[0], name[1], name[2], name[3]));
-}
-
-static int error_count = 0;
-static int warning_count = 0;
-
-static void
-error(png_structp png_ptr, const char *message)
-{
-   fprintf(stderr, "libpng error: %s\n", message);
-   exit(1);
-   (void)png_ptr;
-}
-
-static void
-warning(png_structp png_ptr, const char *message)
-{
-   ++warning_count;
-   fprintf(stderr, "libpng warning: %s\n", message);
-   (void)png_ptr;
-}
-
-static png_uint_32
-get_valid(const char *file, png_const_structp png_ptr, png_const_infop info_ptr)
-{
-   png_uint_32 flags = png_get_valid(png_ptr, info_ptr, (png_uint_32)~0);
-
-   /* Map the text chunks back into the flags */
-   {
-      png_textp text;
-      png_uint_32 ntext = png_get_text(png_ptr, info_ptr, &text, NULL);
-
-      while (ntext-- > 0) switch (text[ntext].compression)
-      {
-         case -1:
-            flags |= PNG_INFO_tEXt;
-            break;
-         case 0:
-            flags |= PNG_INFO_zTXt;
-            break;
-         case 1:
-         case 2:
-            flags |= PNG_INFO_iTXt;
-            break;
-         default:
-            fprintf(stderr, "%s: unknown text compression %d\n", file,
-               text[ntext].compression);
-            exit(1);
-      }
-   }
-
-   return flags;
-}
-
-static png_uint_32
-get_unknown(const char *file, int def, png_const_structp png_ptr,
-   png_const_infop info_ptr)
-{
-   /* Create corresponding 'unknown' flags */
-   png_uint_32 flags = 0;
-   {
-      png_unknown_chunkp unknown;
-      int num_unknown = png_get_unknown_chunks(png_ptr, info_ptr, &unknown);
-
-      while (--num_unknown >= 0)
-      {
-         int chunk = findb(unknown[num_unknown].name);
-
-         /* Chunks not known to pngunknown must be validated here; since they
-          * must also be unknown to libpng the 'def' behavior should have been
-          * used.
-          */
-         if (chunk < 0) switch (def)
-         {
-            default: /* impossible */
-            case PNG_HANDLE_CHUNK_AS_DEFAULT:
-            case PNG_HANDLE_CHUNK_NEVER:
-               fprintf(stderr, "%s: %s: %s: unknown chunk saved\n",
-                  file, def ? "discard" : "default", unknown[num_unknown].name);
-               ++error_count;
-               break;
-
-            case PNG_HANDLE_CHUNK_IF_SAFE:
-               if (!ancillaryb(unknown[num_unknown].name))
-               {
-                  fprintf(stderr,
-                     "%s: if-safe: %s: unknown critical chunk saved\n",
-                     file, unknown[num_unknown].name);
-                  ++error_count;
-                  break;
-               }
-               /* FALL THROUGH (safe) */
-            case PNG_HANDLE_CHUNK_ALWAYS:
-               break;
-         }
-
-         else
-            flags |= chunk_info[chunk].flag;
-      }
-   }
-
-   return flags;
-}
-
-static int
-check(FILE *fp, int argc, const char **argv, png_uint_32p flags/*out*/)
-{
-   png_structp png_ptr;
-   png_infop info_ptr, end_ptr;
-   int i, def = PNG_HANDLE_CHUNK_AS_DEFAULT, npasses, ipass;
-   png_uint_32 height;
-
-   png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, 0, error, warning);
-   if (png_ptr == NULL)
-   {
-      fprintf(stderr, "%s: could not allocate png struct\n", argv[argc]);
-      exit(1);
-   }
-
-   info_ptr = png_create_info_struct(png_ptr);
-   end_ptr = png_create_info_struct(png_ptr);
-   if (info_ptr == NULL || end_ptr == NULL)
-   {
-      fprintf(stderr, "%s: could not allocate png info\n", argv[argc]);
-      exit(1);
-   }
-
-   png_init_io(png_ptr, fp);
-
-   /* Handle each argument in turn; multiple settings are possible for the same
-    * chunk and multiple calls will occur (the last one should override all
-    * preceding ones).
-    */
-   for (i=1; i<argc; ++i)
-   {
-      const char *equals = strchr(argv[i], '=');
-
-      if (equals != NULL)
-      {
-         int chunk, option;
-
-         if (strcmp(equals+1, "default") == 0)
-            option = PNG_HANDLE_CHUNK_AS_DEFAULT;
-         else if (strcmp(equals+1, "discard") == 0)
-            option = PNG_HANDLE_CHUNK_NEVER;
-         else if (strcmp(equals+1, "if-safe") == 0)
-            option = PNG_HANDLE_CHUNK_IF_SAFE;
-         else if (strcmp(equals+1, "save") == 0)
-            option = PNG_HANDLE_CHUNK_ALWAYS;
-         else
-         {
-            fprintf(stderr, "%s: unrecognized chunk option\n", argv[i]);
-            exit(2);
-         }
-
-         switch (equals - argv[i])
-         {
-            case 4: /* chunk name */
-               chunk = find(argv[i]);
-
-               if (chunk >= 0)
-               {
-                  /* These #if tests have the effect of skipping the arguments
-                   * if SAVE support is unavailable - we can't do a useful test
-                   * in this case, so we just check the arguments!  This could
-                   * be improved in the future by using the read callback.
-                   */
-#                 ifdef PNG_SAVE_UNKNOWN_CHUNKS_SUPPORTED
-                     png_byte name[5];
-
-                     memcpy(name, chunk_info[chunk].name, 5);
-                     png_set_keep_unknown_chunks(png_ptr, option, name, 1);
-                     chunk_info[chunk].keep = option;
-#                 else
-                     (void)option;
-#                 endif
-                  continue;
-               }
-
-               break;
-
-            case 7: /* default */
-               if (memcmp(argv[i], "default", 7) == 0)
-               {
-#                 ifdef PNG_SAVE_UNKNOWN_CHUNKS_SUPPORTED
-                     png_set_keep_unknown_chunks(png_ptr, option, NULL, 0);
-                     def = option;
-#                 endif
-                  continue;
-               }
-
-               break;
-
-            case 3: /* all */
-               if (memcmp(argv[i], "all", 3) == 0)
-               {
-#                 ifdef PNG_SAVE_UNKNOWN_CHUNKS_SUPPORTED
-                     png_set_keep_unknown_chunks(png_ptr, option, NULL, -1);
-                     def = option;
-
-                     for (chunk = 0; chunk < NINFO; ++chunk)
-                        if (chunk_info[chunk].all)
-                           chunk_info[chunk].keep = option;
-#                 endif
-                  continue;
-               }
-
-               break;
-
-            default: /* some misplaced = */
-
-               break;
-         }
-      }
-
-      fprintf(stderr, "%s: unrecognized chunk argument\n", argv[i]);
-      exit(2);
-   }
-
-   png_read_info(png_ptr, info_ptr);
-
-   switch (png_get_interlace_type(png_ptr, info_ptr))
-   {
-      case PNG_INTERLACE_NONE:
-         npasses = 1;
-         break;
-
-      case PNG_INTERLACE_ADAM7:
-         npasses = PNG_INTERLACE_ADAM7_PASSES;
-         break;
-
-      default:
-         fprintf(stderr, "%s: invalid interlace type\n", argv[argc]);
-         exit(1);
-   }
-
-   /* Skip the image data, if IDAT is not being handled then don't do this
-    * because it will cause a CRC error.
-    */
-   if (chunk_info[0/*IDAT*/].keep == PNG_HANDLE_CHUNK_AS_DEFAULT)
-   {
-      png_start_read_image(png_ptr);
-      height = png_get_image_height(png_ptr, info_ptr);
-
-      if (npasses > 1)
-      {
-         png_uint_32 width = png_get_image_width(png_ptr, info_ptr);
-
-         for (ipass=0; ipass<npasses; ++ipass)
-         {
-            png_uint_32 wPass = PNG_PASS_COLS(width, ipass);
-
-            if (wPass > 0)
-            {
-               png_uint_32 y;
-
-               for (y=0; y<height; ++y) if (PNG_ROW_IN_INTERLACE_PASS(y, ipass))
-                  png_read_row(png_ptr, NULL, NULL);
-            }
-         }
-      } /* interlaced */
-
-      else /* not interlaced */
-      {
-         png_uint_32 y;
-
-         for (y=0; y<height; ++y)
-            png_read_row(png_ptr, NULL, NULL);
-      }
-   }
-
-   png_read_end(png_ptr, end_ptr);
-
-   flags[0] = get_valid(argv[argc], png_ptr, info_ptr);
-   flags[1] = get_unknown(argv[argc], def, png_ptr, info_ptr);
-
-   /* Only png_read_png sets PNG_INFO_IDAT! */
-   flags[chunk_info[0/*IDAT*/].keep != PNG_HANDLE_CHUNK_AS_DEFAULT] |=
-      PNG_INFO_IDAT;
-
-   flags[2] = get_valid(argv[argc], png_ptr, end_ptr);
-   flags[3] = get_unknown(argv[argc], def, png_ptr, end_ptr);
-
-   png_destroy_read_struct(&png_ptr, &info_ptr, &end_ptr);
-
-   return def;
-}
-
-static void
-check_error(const char *file, png_uint_32 flags, const char *message)
-{
-   while (flags)
-   {
-      png_uint_32 flag = flags & -flags;
-      int i = find_by_flag(flag);
-
-      fprintf(stderr, "%s: chunk %s: %s\n", file, chunk_info[i].name, message);
-      ++error_count;
-
-      flags &= ~flag;
-   }
-}
-
-static void
-check_handling(const char *file, int def, png_uint_32 chunks, png_uint_32 known,
-   png_uint_32 unknown, const char *position)
-{
-   while (chunks)
-   {
-      png_uint_32 flag = chunks & -chunks;
-      int i = find_by_flag(flag);
-      int keep = chunk_info[i].keep;
-      const char *type;
-      const char *errorx = NULL;
-
-      if (chunk_info[i].unknown)
-      {
-         if (keep == PNG_HANDLE_CHUNK_AS_DEFAULT)
-         {
-            type = "UNKNOWN (default)";
-            keep = def;
-         }
-
-         else
-            type = "UNKNOWN (specified)";
-
-         if (flag & known)
-            errorx = "chunk processed";
-
-         else switch (keep)
-         {
-            case PNG_HANDLE_CHUNK_AS_DEFAULT:
-               if (flag & unknown)
-                  errorx = "DEFAULT: unknown chunk saved";
-               break;
-
-            case PNG_HANDLE_CHUNK_NEVER:
-               if (flag & unknown)
-                  errorx = "DISCARD: unknown chunk saved";
-               break;
-
-            case PNG_HANDLE_CHUNK_IF_SAFE:
-               if (ancillary(chunk_info[i].name))
-               {
-                  if (!(flag & unknown))
-                     errorx = "IF-SAFE: unknown ancillary chunk lost";
-               }
-
-               else if (flag & unknown)
-                  errorx = "IF-SAFE: unknown critical chunk saved";
-               break;
-
-            case PNG_HANDLE_CHUNK_ALWAYS:
-               if (!(flag & unknown))
-                  errorx = "SAVE: unknown chunk lost";
-               break;
-
-            default:
-               errorx = "internal error: bad keep";
-               break;
-         }
-      } /* unknown chunk */
-
-      else /* known chunk */
-      {
-         type = "KNOWN";
-
-         if (flag & known)
-         {
-            /* chunk was processed, it won't have been saved because that is
-             * caught below when checking for inconsistent processing.
-             */
-            if (keep != PNG_HANDLE_CHUNK_AS_DEFAULT)
-               errorx = "!DEFAULT: known chunk processed";
-         }
-
-         else /* not processed */ switch (keep)
-         {
-            case PNG_HANDLE_CHUNK_AS_DEFAULT:
-               errorx = "DEFAULT: known chunk not processed";
-               break;
-
-            case PNG_HANDLE_CHUNK_NEVER:
-               if (flag & unknown)
-                  errorx = "DISCARD: known chunk saved";
-               break;
-
-            case PNG_HANDLE_CHUNK_IF_SAFE:
-               if (ancillary(chunk_info[i].name))
-               {
-                  if (!(flag & unknown))
-                     errorx = "IF-SAFE: known ancillary chunk lost";
-               }
-
-               else if (flag & unknown)
-                  errorx = "IF-SAFE: known critical chunk saved";
-               break;
-
-            case PNG_HANDLE_CHUNK_ALWAYS:
-               if (!(flag & unknown))
-                  errorx = "SAVE: known chunk lost";
-               break;
-
-            default:
-               errorx = "internal error: bad keep (2)";
-               break;
-         }
-      }
-
-      if (errorx != NULL)
-      {
-         ++error_count;
-         fprintf(stderr, "%s: %s %s %s: %s\n",
-            file, type, chunk_info[i].name, position, errorx);
-      }
-
-      chunks &= ~flag;
-   }
-}
-
-int
-main(int argc, const char **argv)
-{
-   FILE *fp;
-   png_uint_32 flags[2/*default/+options*/][4/*valid,unknown{before,after}*/];
-   int def, strict = 0;
-   const char *program = argv[0];
-   const char *count_argv[3];
-
-   if (argc > 1 && strcmp(argv[1], "--strict") == 0)
-   {
-      strict = 1;
-      --argc;
-      ++argv;
-   }
-
-   if (--argc < 1)
-   {
-      fprintf(stderr, "pngunknown: usage:\n"
-      " %s {(CHNK|default|all)=(default|discard|if-safe|save)} testfile.png\n",
-         program);
-      exit(2);
-   }
-
-#  ifndef PNG_SAVE_UNKNOWN_CHUNKS_SUPPORTED
-      fprintf(stderr,
-         "pngunknown: warning: no 'save' support so arguments ignored\n");
-#  endif
-   fp = fopen(argv[argc], "rb");
-   if (fp == NULL)
-   {
-      perror(argv[argc]);
-      exit(2);
-   }
-
-   /* First find all the chunks, known and unknown, in the test file: */
-   count_argv[0] = program;
-   count_argv[1] = "default=save";
-   count_argv[2] = argv[argc];
-   (void)check(fp, 2, count_argv, flags[0]);
-
-   /* Now find what the various supplied options cause to change: */
-   rewind(fp);
-   def = check(fp, argc, argv, flags[1]);
-   fclose(fp);
-
-   /* Chunks should either be known or unknown, never both and this should apply
-    * whether the chunk is before or after the IDAT (actually, the app can
-    * probably change this by swapping the handling after the image, but this
-    * test does not do that.)
-    */
-   check_error(argc[argv],
-      (flags[0][0]|flags[0][2]) & (flags[0][1]|flags[0][3]),
-      "chunk handled inconsistently in count tests");
-   check_error(argc[argv],
-      (flags[1][0]|flags[1][2]) & (flags[1][1]|flags[1][3]),
-      "chunk handled inconsistently in option tests");
-
-   /* Now find out what happened to each chunk before and after the IDAT and
-    * determine if the behavior was correct.  First some basic sanity checks,
-    * any known chunk should be known in the original count, any unknown chunk
-    * should be either known or unknown in the original.
-    */
-   {
-      png_uint_32 test;
-
-      test = flags[1][0] & ~flags[0][0];
-      check_error(argv[argc], test, "new known chunk before IDAT");
-      test = flags[1][1] & ~(flags[0][0] | flags[0][1]);
-      check_error(argv[argc], test, "new unknown chunk before IDAT");
-      test = flags[1][2] & ~flags[0][2];
-      check_error(argv[argc], test, "new known chunk after IDAT");
-      test = flags[1][3] & ~(flags[0][2] | flags[0][3]);
-      check_error(argv[argc], test, "new unknown chunk after IDAT");
-   }
-
-   /* Now each chunk in the original list should have been handled according to
-    * the options set for that chunk, regardless of whether libpng knows about
-    * it or not.
-    */
-   check_handling(argv[argc], def, flags[0][0] | flags[0][1], flags[1][0],
-      flags[1][1], "before IDAT");
-   check_handling(argv[argc], def, flags[0][2] | flags[0][3], flags[1][2],
-      flags[1][3], "after IDAT");
-
-   return error_count + (strict ? warning_count : 0);
-}
-
-#else
-int
-main(void)
-{
-   fprintf(stderr,
-   " test ignored because libpng was not built with unknown chunk support\n");
-   return 0;
-}
-#endif

contrib/libtests/pngvalid.c

@@ -24,7 +24,6 @@
 #define _GNU_SOURCE 1 /* For the floating point exception extension */
 
 #include <signal.h>
-#include <stdio.h>
 
 #if (defined HAVE_CONFIG_H) && !(defined PNG_NO_CONFIG_H)
 #  include <config.h>
@@ -43,8 +42,6 @@
 #  include "../../png.h"
 #endif
 
-#ifdef PNG_WRITE_SUPPORTED /* else pngvalid can do nothing */
-
 #if PNG_LIBPNG_VER < 10500
 /* This deliberately lacks the PNG_CONST. */
 typedef png_byte *png_const_bytep;
@@ -85,10 +82,10 @@ typedef png_byte *png_const_bytep;
    /* 1.6.0 constifies many APIs, the following exists to allow pngvalid to be
     * compiled against earlier versions.
     */
-#  define png_const_structp png_structp
+#  define png_const_strutp png_structp
 #endif
 
-#include <zlib.h>   /* For crc32 */
+#include "zlib.h"   /* For crc32 */
 
 #include <float.h>  /* For floating point constants */
 #include <stdlib.h> /* For malloc */
@@ -173,7 +170,6 @@ static PNG_CONST char *colour_types[8] =
    "grayscale with alpha", invalid, "truecolour with alpha", invalid
 };
 
-#ifdef PNG_READ_SUPPORTED
 /* Convert a double precision value to fixed point. */
 static png_fixed_point
 fix(double d)
@@ -181,7 +177,6 @@ fix(double d)
    d = floor(d * PNG_FP_1 + .5);
    return (png_fixed_point)d;
 }
-#endif /* PNG_READ_SUPPORTED */
 
 /* Generate random bytes.  This uses a boring repeatable algorithm and it
  * is implemented here so that it gives the same set of numbers on every
@@ -220,7 +215,6 @@ make_four_random_bytes(png_uint_32* seed, png_bytep bytes)
    make_random_bytes(seed, bytes, 4);
 }
 
-#ifdef PNG_READ_SUPPORTED
 static void
 randomize(void *pv, size_t size)
 {
@@ -249,7 +243,6 @@ random_choice(void)
 
    return x & 1;
 }
-#endif /* PNG_READ_SUPPORTED */
 
 /* A numeric ID based on PNG file characteristics.  The 'do_interlace' field
  * simply records whether pngvalid did the interlace itself or whether it
@@ -262,7 +255,7 @@ random_choice(void)
 
 #define COL_FROM_ID(id) ((png_byte)((id)& 0x7U))
 #define DEPTH_FROM_ID(id) ((png_byte)(((id) >> 3) & 0x1fU))
-#define PALETTE_FROM_ID(id) (((id) >> 8) & 0x1f)
+#define PALETTE_FROM_ID(id) ((int)(((id) >> 8) & 0x1f))
 #define INTERLACE_FROM_ID(id) ((int)(((id) >> 13) & 0x3))
 #define DO_INTERLACE_FROM_ID(id) ((int)(((id)>>15) & 1))
 #define WIDTH_FROM_ID(id) (((id)>>16) & 0xff)
@@ -271,7 +264,7 @@ random_choice(void)
 /* Utility to construct a standard name for a standard image. */
 static size_t
 standard_name(char *buffer, size_t bufsize, size_t pos, png_byte colour_type,
-    int bit_depth, unsigned int npalette, int interlace_type,
+    int bit_depth, int npalette, int interlace_type,
     png_uint_32 w, png_uint_32 h, int do_interlace)
 {
    pos = safecat(buffer, bufsize, pos, colour_types[colour_type]);
@@ -333,11 +326,10 @@ standard_name_from_id(char *buffer, size_t bufsize, size_t pos, png_uint_32 id)
 /* The following defines the number of different palettes to generate for
  * each log bit depth of a colour type 3 standard image.
  */
-#define PALETTE_COUNT(bit_depth) ((bit_depth) > 4 ? 1U : 16U)
+#define PALETTE_COUNT(bit_depth) ((bit_depth) > 4 ? 1 : 16)
 
 static int
-next_format(png_bytep colour_type, png_bytep bit_depth,
-   unsigned int* palette_number)
+next_format(png_bytep colour_type, png_bytep bit_depth, int* palette_number)
 {
    if (*bit_depth == 0)
    {
@@ -468,7 +460,6 @@ pixel_copy(png_bytep toBuffer, png_uint_32 toIndex,
       memmove(toBuffer+(toIndex>>3), fromBuffer+(fromIndex>>3), pixelSize>>3);
 }
 
-#ifdef PNG_READ_SUPPORTED
 /* Copy a complete row of pixels, taking into account potential partial
  * bytes at the end.
  */
@@ -534,7 +525,6 @@ pixel_cmp(png_const_bytep pa, png_const_bytep pb, png_uint_32 bit_width)
       return 1+where;
    }
 }
-#endif /* PNG_READ_SUPPORTED */
 
 /*************************** BASIC PNG FILE WRITING ***************************/
 /* A png_store takes data from the sequential writer or provides data
@@ -645,7 +635,6 @@ store_pool_mark(png_bytep mark)
    make_four_random_bytes(store_seed, mark);
 }
 
-#ifdef PNG_READ_SUPPORTED
 /* Use this for random 32 bit values; this function makes sure the result is
  * non-zero.
  */
@@ -665,7 +654,6 @@ random_32(void)
          return result;
    }
 }
-#endif /* PNG_READ_SUPPORTED */
 
 static void
 store_pool_init(png_store *ps, store_pool *pool)
@@ -871,7 +859,6 @@ store_log(png_store* ps, png_const_structp pp, png_const_charp message,
       store_verbose(ps, pp, is_error ? "error: " : "warning: ", message);
 }
 
-#ifdef PNG_READ_SUPPORTED
 /* Internal error function, called with a png_store but no libpng stuff. */
 static void
 internal_error(png_store *ps, png_const_charp message)
@@ -884,7 +871,6 @@ internal_error(png_store *ps, png_const_charp message)
       Throw ps;
    }
 }
-#endif /* PNG_READ_SUPPORTED */
 
 /* Functions to use as PNG callbacks. */
 static void
@@ -1022,7 +1008,6 @@ store_ensure_image(png_store *ps, png_const_structp pp, int nImages,
    }
 }
 
-#ifdef PNG_READ_SUPPORTED
 static void
 store_image_check(PNG_CONST png_store* ps, png_const_structp pp, int iImage)
 {
@@ -1052,7 +1037,6 @@ store_image_check(PNG_CONST png_store* ps, png_const_structp pp, int iImage)
       }
    }
 }
-#endif /* PNG_READ_SUPPORTED */
 
 static void
 store_write(png_structp ppIn, png_bytep pb, png_size_t st)
@@ -1088,7 +1072,6 @@ store_flush(png_structp ppIn)
    UNUSED(ppIn) /*DOES NOTHING*/
 }
 
-#ifdef PNG_READ_SUPPORTED
 static size_t
 store_read_buffer_size(png_store *ps)
 {
@@ -1206,7 +1189,6 @@ store_progressive_read(png_store *ps, png_structp pp, png_infop pi)
    }
    while (store_read_buffer_next(ps));
 }
-#endif /* PNG_READ_SUPPORTED */
 
 /* The caller must fill this in: */
 static store_palette_entry *
@@ -1233,7 +1215,6 @@ store_write_palette(png_store *ps, int npalette)
    return ps->palette;
 }
 
-#ifdef PNG_READ_SUPPORTED
 static store_palette_entry *
 store_current_palette(png_store *ps, int *npalette)
 {
@@ -1247,7 +1228,6 @@ store_current_palette(png_store *ps, int *npalette)
    *npalette = ps->current->npalette;
    return ps->current->palette;
 }
-#endif /* PNG_READ_SUPPORTED */
 
 /***************************** MEMORY MANAGEMENT*** ***************************/
 /* A store_memory is simply the header for an allocated block of memory.  The
@@ -1522,29 +1502,25 @@ set_store_for_write(png_store *ps, png_infopp ppi,
 }
 
 /* Cleanup when finished reading (either due to error or in the success case).
- * This routine exists even when there is no read support to make the code
- * tidier (avoid a mass of ifdefs) and so easier to maintain.
  */
 static void
 store_read_reset(png_store *ps)
 {
-#  ifdef PNG_READ_SUPPORTED
-      if (ps->pread != NULL)
+   if (ps->pread != NULL)
+   {
+      anon_context(ps);
+
+      Try
+         png_destroy_read_struct(&ps->pread, &ps->piread, NULL);
+
+      Catch_anonymous
       {
-         anon_context(ps);
-
-         Try
-            png_destroy_read_struct(&ps->pread, &ps->piread, NULL);
-
-         Catch_anonymous
-         {
-            /* error already output: continue */
-         }
-
-         ps->pread = NULL;
-         ps->piread = NULL;
+         /* error already output: continue */
       }
-#  endif
+
+      ps->pread = NULL;
+      ps->piread = NULL;
+   }
 
    /* Always do this to be safe. */
    store_pool_delete(ps, &ps->read_memory_pool);
@@ -1555,7 +1531,6 @@ store_read_reset(png_store *ps)
    ps->validated = 0;
 }
 
-#ifdef PNG_READ_SUPPORTED
 static void
 store_read_set(png_store *ps, png_uint_32 id)
 {
@@ -1633,7 +1608,6 @@ set_store_for_read(png_store *ps, png_infopp ppi, png_uint_32 id,
 
    return ps->pread;
 }
-#endif /* PNG_READ_SUPPORTED */
 
 /* The overall cleanup of a store simply calls the above then removes all the
  * saved files.  This does not delete the store itself.
@@ -1673,19 +1647,6 @@ typedef struct CIE_color
    double X, Y, Z;
 } CIE_color;
 
-typedef struct color_encoding
-{
-   /* A description of an (R,G,B) encoding of color (as defined above); this
-    * includes the actual colors of the (R,G,B) triples (1,0,0), (0,1,0) and
-    * (0,0,1) plus an encoding value that is used to encode the linear
-    * components R, G and B to give the actual values R^gamma, G^gamma and
-    * B^gamma that are stored.
-    */
-   double    gamma;            /* Encoding (file) gamma of space */
-   CIE_color red, green, blue; /* End points */
-} color_encoding;
-
-#ifdef PNG_READ_SUPPORTED
 static double
 chromaticity_x(CIE_color c)
 {
@@ -1698,11 +1659,23 @@ chromaticity_y(CIE_color c)
    return c.Y / (c.X + c.Y + c.Z);
 }
 
+typedef struct color_encoding
+{
+   /* A description of an (R,G,B) encoding of color (as defined above); this
+    * includes the actual colors of the (R,G,B) triples (1,0,0), (0,1,0) and
+    * (0,0,1) plus an encoding value that is used to encode the linear
+    * components R, G and B to give the actual values R^gamma, G^gamma and
+    * B^gamma that are stored.
+    */
+   double    gamma;            /* Encoding (file) gamma of space */
+   CIE_color red, green, blue; /* End points */
+} color_encoding;
+
 static CIE_color
 white_point(PNG_CONST color_encoding *encoding)
 {
    CIE_color white;
-
+   
    white.X = encoding->red.X + encoding->green.X + encoding->blue.X;
    white.Y = encoding->red.Y + encoding->green.Y + encoding->blue.Y;
    white.Z = encoding->red.Z + encoding->green.Z + encoding->blue.Z;
@@ -1769,7 +1742,6 @@ safecat_color_encoding(char *buffer, size_t bufsize, size_t pos,
 
    return pos;
 }
-#endif /* PNG_READ_SUPPORTED */
 
 typedef struct png_modifier
 {
@@ -2931,9 +2903,9 @@ make_standard_palette(png_store* ps, int npalette, int do_tRNS)
     */
    for (; i<8; ++i)
    {
-      values[i][1] = (png_byte)((i&1) ? 255U : 0U);
-      values[i][2] = (png_byte)((i&2) ? 255U : 0U);
-      values[i][3] = (png_byte)((i&4) ? 255U : 0U);
+      values[i][1] = (i&1) ? 255 : 0;
+      values[i][2] = (i&2) ? 255 : 0;
+      values[i][3] = (i&4) ? 255 : 0;
    }
 
    /* Then add 62 grays (one quarter of the remaining 256 slots). */
@@ -3148,7 +3120,6 @@ transform_height(png_const_structp pp, png_byte colour_type, png_byte bit_depth)
    }
 }
 
-#ifdef PNG_READ_SUPPORTED
 /* The following can only be defined here, now we have the definitions
  * of the transform image sizes.
  */
@@ -3184,7 +3155,6 @@ standard_rowsize(png_const_structp pp, png_uint_32 id)
    width *= bit_size(pp, COL_FROM_ID(id), DEPTH_FROM_ID(id));
    return (width + 7) / 8;
 }
-#endif /* PNG_READ_SUPPORTED */
 
 static void
 transform_row(png_const_structp pp, png_byte buffer[TRANSFORM_ROWMAX],
@@ -3196,20 +3166,20 @@ transform_row(png_const_structp pp, png_byte buffer[TRANSFORM_ROWMAX],
    switch (bit_size(pp, colour_type, bit_depth))
    {
       case 1:
-         while (i<128/8) buffer[i] = (png_byte)(v & 0xff), v += 17, ++i;
+         while (i<128/8) buffer[i] = v & 0xff, v += 17, ++i;
          return;
 
       case 2:
-         while (i<128/4) buffer[i] = (png_byte)(v & 0xff), v += 33, ++i;
+         while (i<128/4) buffer[i] = v & 0xff, v += 33, ++i;
          return;
 
       case 4:
-         while (i<128/2) buffer[i] = (png_byte)(v & 0xff), v += 65, ++i;
+         while (i<128/2) buffer[i] = v & 0xff, v += 65, ++i;
          return;
 
       case 8:
          /* 256 bytes total, 128 bytes in each row set as follows: */
-         while (i<128) buffer[i] = (png_byte)(v & 0xff), ++v, ++i;
+         while (i<128) buffer[i] = v & 0xff, ++v, ++i;
          return;
 
       case 16:
@@ -3217,12 +3187,7 @@ transform_row(png_const_structp pp, png_byte buffer[TRANSFORM_ROWMAX],
           * GA case as well as the 16 bit G case.
           */
          while (i<128)
-         {
-            buffer[2*i] = (png_byte)((v>>8) & 0xff);
-            buffer[2*i+1] = (png_byte)(v & 0xff);
-            ++v;
-            ++i;
-         }
+            buffer[2*i] = (v>>8) & 0xff, buffer[2*i+1] = v & 0xff, ++v, ++i;
 
          return;
 
@@ -3231,9 +3196,9 @@ transform_row(png_const_structp pp, png_byte buffer[TRANSFORM_ROWMAX],
          while (i<128)
          {
             /* Three bytes per pixel, r, g, b, make b by r^g */
-            buffer[3*i+0] = (png_byte)((v >> 8) & 0xff);
-            buffer[3*i+1] = (png_byte)(v & 0xff);
-            buffer[3*i+2] = (png_byte)(((v >> 8) ^ v) & 0xff);
+            buffer[3*i+0] = (v >> 8) & 0xff;
+            buffer[3*i+1] = v & 0xff;
+            buffer[3*i+2] = ((v >> 8) ^ v) & 0xff;
             ++v;
             ++i;
          }
@@ -3244,10 +3209,10 @@ transform_row(png_const_structp pp, png_byte buffer[TRANSFORM_ROWMAX],
          /* 65535 pixels, r, g, b, a; just replicate */
          while (i<128)
          {
-            buffer[4*i+0] = (png_byte)((v >> 8) & 0xff);
-            buffer[4*i+1] = (png_byte)(v & 0xff);
-            buffer[4*i+2] = (png_byte)((v >> 8) & 0xff);
-            buffer[4*i+3] = (png_byte)(v & 0xff);
+            buffer[4*i+0] = (v >> 8) & 0xff;
+            buffer[4*i+1] = v & 0xff;
+            buffer[4*i+2] = (v >> 8) & 0xff;
+            buffer[4*i+3] = v & 0xff;
             ++v;
             ++i;
          }
@@ -3261,14 +3226,14 @@ transform_row(png_const_structp pp, png_byte buffer[TRANSFORM_ROWMAX],
          while (i<128)
          {
             png_uint_32 t = v++;
-            buffer[6*i+0] = (png_byte)((t >> 8) & 0xff);
-            buffer[6*i+1] = (png_byte)(t & 0xff);
+            buffer[6*i+0] = (t >> 8) & 0xff;
+            buffer[6*i+1] = t & 0xff;
             t *= 257;
-            buffer[6*i+2] = (png_byte)((t >> 8) & 0xff);
-            buffer[6*i+3] = (png_byte)(t & 0xff);
+            buffer[6*i+2] = (t >> 8) & 0xff;
+            buffer[6*i+3] = t & 0xff;
             t *= 17;
-            buffer[6*i+4] = (png_byte)((t >> 8) & 0xff);
-            buffer[6*i+5] = (png_byte)(t & 0xff);
+            buffer[6*i+4] = (t >> 8) & 0xff;
+            buffer[6*i+5] = t & 0xff;
             ++i;
          }
 
@@ -3279,15 +3244,15 @@ transform_row(png_const_structp pp, png_byte buffer[TRANSFORM_ROWMAX],
          while (i<128)
          {
             png_uint_32 t = v++;
-            buffer[8*i+0] = (png_byte)((t >> 8) & 0xff);
-            buffer[8*i+1] = (png_byte)(t & 0xff);
-            buffer[8*i+4] = (png_byte)((t >> 8) & 0xff);
-            buffer[8*i+5] = (png_byte)(t & 0xff);
+            buffer[8*i+0] = (t >> 8) & 0xff;
+            buffer[8*i+1] = t & 0xff;
+            buffer[8*i+4] = (t >> 8) & 0xff;
+            buffer[8*i+5] = t & 0xff;
             t *= 257;
-            buffer[8*i+2] = (png_byte)((t >> 8) & 0xff);
-            buffer[8*i+3] = (png_byte)(t & 0xff);
-            buffer[8*i+6] = (png_byte)((t >> 8) & 0xff);
-            buffer[8*i+7] = (png_byte)(t & 0xff);
+            buffer[8*i+2] = (t >> 8) & 0xff;
+            buffer[8*i+3] = t & 0xff;
+            buffer[8*i+6] = (t >> 8) & 0xff;
+            buffer[8*i+7] = t & 0xff;
             ++i;
          }
          return;
@@ -3312,8 +3277,8 @@ transform_row(png_const_structp pp, png_byte buffer[TRANSFORM_ROWMAX],
  */
 static void
 make_transform_image(png_store* PNG_CONST ps, png_byte PNG_CONST colour_type,
-    png_byte PNG_CONST bit_depth, unsigned int palette_number,
-    int interlace_type, png_const_charp name)
+    png_byte PNG_CONST bit_depth, int palette_number, int interlace_type,
+    png_const_charp name)
 {
    context(ps, fault);
 
@@ -3337,11 +3302,6 @@ make_transform_image(png_store* PNG_CONST ps, png_byte PNG_CONST colour_type,
          PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
 
 #ifdef PNG_TEXT_SUPPORTED
-#  if (defined PNG_READ_zTXt_SUPPORTED) && (defined PNG_WRITE_zTXt_SUPPORTED)
-#     define TEXT_COMPRESSION PNG_TEXT_COMPRESSION_zTXt
-#  else
-#     define TEXT_COMPRESSION PNG_TEXT_COMPRESSION_NONE
-#  endif
       {
          static char key[] = "image name"; /* must be writeable */
          size_t pos;
@@ -3351,7 +3311,7 @@ make_transform_image(png_store* PNG_CONST ps, png_byte PNG_CONST colour_type,
          /* Use a compressed text string to test the correct interaction of text
           * compression and IDAT compression.
           */
-         text.compression = TEXT_COMPRESSION;
+         text.compression = PNG_TEXT_COMPRESSION_zTXt;
          text.key = key;
          /* Yuck: the text must be writable! */
          pos = safecat(copy, sizeof copy, 0, ps->wname);
@@ -3409,7 +3369,7 @@ make_transform_image(png_store* PNG_CONST ps, png_byte PNG_CONST colour_type,
          /* Use a compressed text string to test the correct interaction of text
           * compression and IDAT compression.
           */
-         text.compression = TEXT_COMPRESSION;
+         text.compression = PNG_TEXT_COMPRESSION_zTXt;
          text.key = key;
          text.text = comment;
          text.text_length = (sizeof comment)-1;
@@ -3445,7 +3405,7 @@ make_transform_images(png_store *ps)
 {
    png_byte colour_type = 0;
    png_byte bit_depth = 0;
-   unsigned int palette_number = 0;
+   int palette_number = 0;
 
    /* This is in case of errors. */
    safecat(ps->test, sizeof ps->test, 0, "make standard images");
@@ -3493,7 +3453,6 @@ interlace_row(png_bytep buffer, png_const_bytep imageRow,
    }
 }
 
-#ifdef PNG_READ_SUPPORTED
 static void
 deinterlace_row(png_bytep buffer, png_const_bytep row,
    unsigned int pixel_size, png_uint_32 w, int pass)
@@ -3514,7 +3473,6 @@ deinterlace_row(png_bytep buffer, png_const_bytep row,
       ++xin;
    }
 }
-#endif /* PNG_READ_SUPPORTED */
 
 /* Build a single row for the 'size' test images; this fills in only the
  * first bit_width bits of the sample row.
@@ -3572,30 +3530,6 @@ make_size_image(png_store* PNG_CONST ps, png_byte PNG_CONST colour_type,
       png_set_IHDR(pp, pi, w, h, bit_depth, colour_type, interlace_type,
          PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
 
-#ifdef PNG_TEXT_SUPPORTED
-      {
-         static char key[] = "image name"; /* must be writeable */
-         size_t pos;
-         png_text text;
-         char copy[FILE_NAME_SIZE];
-
-         /* Use a compressed text string to test the correct interaction of text
-          * compression and IDAT compression.
-          */
-         text.compression = TEXT_COMPRESSION;
-         text.key = key;
-         /* Yuck: the text must be writable! */
-         pos = safecat(copy, sizeof copy, 0, ps->wname);
-         text.text = copy;
-         text.text_length = pos;
-         text.itxt_length = 0;
-         text.lang = 0;
-         text.lang_key = 0;
-
-         png_set_text(pp, pi, &text, 1);
-      }
-#endif
-
       if (colour_type == 3) /* palette */
          init_standard_palette(ps, pp, pi, 1U << bit_depth, 0/*do tRNS*/);
 
@@ -3673,27 +3607,6 @@ make_size_image(png_store* PNG_CONST ps, png_byte PNG_CONST colour_type,
          }
       }
 
-#ifdef PNG_TEXT_SUPPORTED
-      {
-         static char key[] = "end marker";
-         static char comment[] = "end";
-         png_text text;
-
-         /* Use a compressed text string to test the correct interaction of text
-          * compression and IDAT compression.
-          */
-         text.compression = TEXT_COMPRESSION;
-         text.key = key;
-         text.text = comment;
-         text.text_length = (sizeof comment)-1;
-         text.itxt_length = 0;
-         text.lang = 0;
-         text.lang_key = 0;
-
-         png_set_text(pp, pi, &text, 1);
-      }
-#endif
-
       png_write_end(pp, pi);
 
       /* And store this under the appropriate id, then clean up. */
@@ -3758,7 +3671,6 @@ make_size_images(png_store *ps)
    make_size(ps, 6, 3, WRITE_BDHI);
 }
 
-#ifdef PNG_READ_SUPPORTED
 /* Return a row based on image id and 'y' for checking: */
 static void
 standard_row(png_const_structp pp, png_byte std[STANDARD_ROWMAX],
@@ -3770,7 +3682,6 @@ standard_row(png_const_structp pp, png_byte std[STANDARD_ROWMAX],
       size_row(std, WIDTH_FROM_ID(id) * bit_size(pp, COL_FROM_ID(id),
          DEPTH_FROM_ID(id)), y);
 }
-#endif /* PNG_READ_SUPPORTED */
 
 /* Tests - individual test cases */
 /* Like 'make_standard' but errors are deliberately introduced into the calls
@@ -4055,7 +3966,6 @@ perform_formatting_test(png_store *volatile ps)
 #endif
 }
 
-#ifdef PNG_READ_SUPPORTED
 /* Because we want to use the same code in both the progressive reader and the
  * sequential reader it is necessary to deal with the fact that the progressive
  * reader callbacks only have one parameter (png_get_progressive_ptr()), so this
@@ -4650,114 +4560,6 @@ sequential_row(standard_display *dp, png_structp pp, png_infop pi,
    png_read_end(pp, pi);
 }
 
-#ifdef PNG_TEXT_SUPPORTED
-static void
-standard_check_text(png_const_structp pp, png_const_textp tp,
-   png_const_charp keyword, png_const_charp text)
-{
-   char msg[1024];
-   size_t pos = safecat(msg, sizeof msg, 0, "text: ");
-   size_t ok;
-
-   pos = safecat(msg, sizeof msg, pos, keyword);
-   pos = safecat(msg, sizeof msg, pos, ": ");
-   ok = pos;
-
-   if (tp->compression != TEXT_COMPRESSION)
-   {
-      char buf[64];
-
-      sprintf(buf, "compression [%d->%d], ", TEXT_COMPRESSION,
-         tp->compression);
-      pos = safecat(msg, sizeof msg, pos, buf);
-   }
-
-   if (tp->key == NULL || strcmp(tp->key, keyword) != 0)
-   {
-      pos = safecat(msg, sizeof msg, pos, "keyword \"");
-      if (tp->key != NULL)
-      {
-         pos = safecat(msg, sizeof msg, pos, tp->key);
-         pos = safecat(msg, sizeof msg, pos, "\", ");
-      }
-
-      else
-         pos = safecat(msg, sizeof msg, pos, "null, ");
-   }
-
-   if (tp->text == NULL)
-      pos = safecat(msg, sizeof msg, pos, "text lost, ");
-
-   else
-   {
-      if (tp->text_length != strlen(text))
-      {
-         char buf[64];
-         sprintf(buf, "text length changed[%lu->%lu], ",
-            (unsigned long)strlen(text), (unsigned long)tp->text_length);
-         pos = safecat(msg, sizeof msg, pos, buf);
-      }
-
-      if (strcmp(tp->text, text) != 0)
-      {
-         pos = safecat(msg, sizeof msg, pos, "text becomes \"");
-         pos = safecat(msg, sizeof msg, pos, tp->text);
-         pos = safecat(msg, sizeof msg, pos, "\" (was \"");
-         pos = safecat(msg, sizeof msg, pos, text);
-         pos = safecat(msg, sizeof msg, pos, "\"), ");
-      }
-   }
-
-   if (tp->itxt_length != 0)
-      pos = safecat(msg, sizeof msg, pos, "iTXt length set, ");
-
-   if (tp->lang != NULL)
-   {
-      pos = safecat(msg, sizeof msg, pos, "iTXt language \"");
-      pos = safecat(msg, sizeof msg, pos, tp->lang);
-      pos = safecat(msg, sizeof msg, pos, "\", ");
-   }
-
-   if (tp->lang_key != NULL)
-   {
-      pos = safecat(msg, sizeof msg, pos, "iTXt keyword \"");
-      pos = safecat(msg, sizeof msg, pos, tp->lang_key);
-      pos = safecat(msg, sizeof msg, pos, "\", ");
-   }
-
-   if (pos > ok)
-   {
-      msg[pos-2] = '\0'; /* Remove the ", " at the end */
-      png_error(pp, msg);
-   }
-}
-
-static void
-standard_text_validate(standard_display *dp, png_const_structp pp,
-   png_const_infop pi)
-{
-   png_textp tp = NULL;
-   png_uint_32 num_text = png_get_text(pp, pi, &tp, NULL);
-
-   if (num_text == 2 && tp != NULL)
-   {
-      standard_check_text(pp, tp, "image name", dp->ps->current->name);
-      standard_check_text(pp, tp+1, "end marker", "end");
-   }
-
-   else
-   {
-      char msg[64];
-
-      sprintf(msg, "expected two text items, got %lu",
-         (unsigned long)num_text);
-      png_error(pp, msg);
-   }
-}
-#else
-#  define standard_text_validate(dp,pp,pi) ((void)0)
-#endif
-
 static void
 standard_row_validate(standard_display *dp, png_const_structp pp,
    int iImage, int iDisplay, png_uint_32 y)
@@ -4789,8 +4591,8 @@ standard_row_validate(standard_display *dp, png_const_structp pp,
             dp->bit_width)) != 0)
    {
       char msg[64];
-      sprintf(msg, "PNG image row[%lu][%d] changed from %.2x to %.2x",
-         (unsigned long)y, where-1, std[where-1],
+      sprintf(msg, "PNG image row[%d][%d] changed from %.2x to %.2x", y,
+         where-1, std[where-1],
          store_image_row(dp->ps, pp, iImage, y)[where-1]);
       png_error(pp, msg);
    }
@@ -4807,8 +4609,8 @@ standard_row_validate(standard_display *dp, png_const_structp pp,
          dp->bit_width)) != 0)
    {
       char msg[64];
-      sprintf(msg, "display  row[%lu][%d] changed from %.2x to %.2x",
-         (unsigned long)y, where-1, std[where-1],
+      sprintf(msg, "display  row[%d][%d] changed from %.2x to %.2x", y,
+         where-1, std[where-1],
          store_image_row(dp->ps, pp, iDisplay, y)[where-1]);
       png_error(pp, msg);
    }
@@ -4845,7 +4647,6 @@ standard_end(png_structp ppIn, png_infop pi)
    /* Validate the image - progressive reading only produces one variant for
     * interlaced images.
     */
-   standard_text_validate(dp, pp, pi);
    standard_image_validate(dp, pp, 0, -1);
 }
 
@@ -4915,10 +4716,7 @@ standard_test(png_store* PNG_CONST psIn, png_uint_32 PNG_CONST id,
              * image is correct.
              */
             if (!d.speed)
-            {
-               standard_text_validate(&d, pp, pi);
                standard_image_validate(&d, pp, 0, 1);
-            }
             else
                d.ps->validated = 1;
          }
@@ -7323,7 +7121,7 @@ perform_transform_test(png_modifier *pm)
 {
    png_byte colour_type = 0;
    png_byte bit_depth = 0;
-   unsigned int palette_number = 0;
+   int palette_number = 0;
 
    while (next_format(&colour_type, &bit_depth, &palette_number))
    {
@@ -8479,8 +8277,7 @@ gamma_image_validate(gamma_display *dp, png_const_structp pp,
          char msg[64];
 
          /* No transform is expected on the threshold tests. */
-         sprintf(msg, "gamma: below threshold row %lu changed",
-            (unsigned long)y);
+         sprintf(msg, "gamma: below threshold row %d changed", y);
 
          png_error(pp, msg);
       }
@@ -8685,7 +8482,7 @@ perform_gamma_threshold_tests(png_modifier *pm)
 {
    png_byte colour_type = 0;
    png_byte bit_depth = 0;
-   unsigned int palette_number = 0;
+   int palette_number = 0;
 
    /* Don't test more than one instance of each palette - it's pointless, in
     * fact this test is somewhat excessive since libpng doesn't make this
@@ -8750,7 +8547,7 @@ static void perform_gamma_transform_tests(png_modifier *pm)
 {
    png_byte colour_type = 0;
    png_byte bit_depth = 0;
-   unsigned int palette_number = 0;
+   int palette_number = 0;
 
    while (next_format(&colour_type, &bit_depth, &palette_number))
    {
@@ -8779,8 +8576,11 @@ static void perform_gamma_sbit_tests(png_modifier *pm)
     */
    for (sbit=pm->sbitlow; sbit<(1<<READ_BDHI); ++sbit)
    {
-      png_byte colour_type = 0, bit_depth = 0;
-      unsigned int npalette = 0;
+      png_byte colour_type, bit_depth;
+      int npalette;
+
+      colour_type = bit_depth = 0;
+      npalette = 0;
 
       while (next_format(&colour_type, &bit_depth, &npalette))
          if ((colour_type & PNG_COLOR_MASK_ALPHA) == 0 &&
@@ -8996,7 +8796,7 @@ perform_gamma_composition_tests(png_modifier *pm, int do_background,
 {
    png_byte colour_type = 0;
    png_byte bit_depth = 0;
-   unsigned int palette_number = 0;
+   int palette_number = 0;
 
    /* Skip the non-alpha cases - there is no setting of a transparency colour at
     * present.
@@ -9176,7 +8976,6 @@ perform_gamma_test(png_modifier *pm, int summary)
 #endif
 }
 #endif /* PNG_READ_GAMMA_SUPPORTED */
-#endif /* PNG_READ_SUPPORTED */
 
 /* INTERLACE MACRO VALIDATION */
 /* This is copied verbatim from the specification, it is simply the pass
@@ -9626,7 +9425,7 @@ static void signal_handler(int signum)
 }
 
 /* main program */
-int main(int argc, char **argv)
+int main(int argc, PNG_CONST char **argv)
 {
    volatile int summary = 1;  /* Print the error summary at the end */
    volatile int memstats = 0; /* Print memory statistics at the end */
@@ -9985,9 +9784,7 @@ int main(int argc, char **argv)
       {
          perform_interlace_macro_validation();
          perform_formatting_test(&pm.this);
-#        ifdef PNG_READ_SUPPORTED
-            perform_standard_test(&pm);
-#        endif
+         perform_standard_test(&pm);
          perform_error_test(&pm);
       }
 
@@ -9995,9 +9792,7 @@ int main(int argc, char **argv)
       if (pm.test_size)
       {
          make_size_images(&pm.this);
-#        ifdef PNG_READ_SUPPORTED
-            perform_size_test(&pm);
-#        endif
+         perform_size_test(&pm);
       }
 
 #ifdef PNG_READ_TRANSFORMS_SUPPORTED
@@ -10094,10 +9889,3 @@ int main(int argc, char **argv)
 
    return 0;
 }
-#else /* write not supported */
-int main(void)
-{
-   fprintf(stderr, "pngvalid: no write support in libpng, all tests skipped\n");
-   return 0;
-}
-#endif

contrib/libtests/tarith.c

@@ -1,999 +0,0 @@
-
-/* tarith.c
- *
- * Copyright (c) 2011,2012 John Cunningham Bowler
- *
- * Last changed in libpng 1.6.0 [(PENDING RELEASE)]
- *
- * This code is released under the libpng license.
- * For conditions of distribution and use, see the disclaimer
- * and license in png.h
- *
- * Test internal arithmetic functions of libpng.
- *
- * This code must be linked against a math library (-lm), but does not require
- * libpng or zlib to work.  Because it includes the complete source of 'png.c'
- * it tests the code with whatever compiler options are used to build it.
- * Changing these options can substantially change the errors in the
- * calculations that the compiler chooses!
- */
-#define _POSIX_SOURCE 1
-#define _ISOC99_SOURCE 1
-
-/* Obtain a copy of the code to be tested (plus other things), disabling
- * stuff that is not required.
- */
-#include <math.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include <string.h>
-#include <assert.h>
-
-#include "../../pngpriv.h"
-
-#define png_error png_warning
-
-void png_warning(png_const_structrp png_ptr, png_const_charp msg)
-{
-   fprintf(stderr, "validation: %s\n", msg);
-}
-
-#define png_fixed_error png_fixed_warning
-
-void png_fixed_warning(png_const_structrp png_ptr, png_const_charp msg)
-{
-   fprintf(stderr, "overflow in: %s\n", msg);
-}
-
-#define png_set_error_fn(pp, ep, efp, wfp) ((void)0)
-#define png_malloc(pp, s) malloc(s)
-#define png_malloc_warn(pp, s) malloc(s)
-#define png_malloc_base(pp, s) malloc(s)
-#define png_calloc(pp, s) calloc(1, (s))
-#define png_free(pp, s) free(s)
-
-#define png_safecat(b, sb, pos, str) (pos)
-#define png_format_number(start, end, format, number) (start)
-
-#define crc32(crc, pp, s) (crc)
-#define inflateReset(zs) Z_OK
-
-#define png_create_struct(type) (0)
-#define png_destroy_struct(pp) ((void)0)
-#define png_create_struct_2(type, m, mm) (0)
-#define png_destroy_struct_2(pp, f, mm) ((void)0)
-
-#undef PNG_SIMPLIFIED_READ_SUPPORTED
-#undef PNG_SIMPLIFIED_WRITE_SUPPORTED
-#undef PNG_USER_MEM_SUPPORTED
-
-#include "../../png.c"
-
-/* Validate ASCII to fp routines. */
-static int verbose = 0;
-
-int validation_ascii_to_fp(int count, int argc, char **argv)
-{
-   int    showall = 0;
-   double max_error=2;      /* As a percentage error-in-last-digit/.5 */
-   double max_error_abs=17; /* Used when precision is DBL_DIG */
-   double max = 0;
-   double max_abs = 0;
-   double test = 0; /* Important to test this. */
-   int    precision = 5;
-   int    nonfinite = 0;
-   int    finite = 0;
-   int    ok = 0;
-   int    failcount = 0;
-   int    minorarith = 0;
-
-   while (--argc > 0)
-      if (strcmp(*++argv, "-a") == 0)
-         showall = 1;
-      else if (strcmp(*argv, "-e") == 0 && argc > 0)
-      {
-	 --argc;
-         max_error = atof(*++argv);
-      }
-      else if (strcmp(*argv, "-E") == 0 && argc > 0)
-      {
-	 --argc;
-         max_error_abs = atof(*++argv);
-      }
-      else
-      {
-         fprintf(stderr, "unknown argument %s\n", *argv);
-         return 1;
-      }
-
-   do
-   {
-      png_size_t index;
-      int state, failed = 0;
-      char buffer[64];
-
-      if (isfinite(test))
-         ++finite;
-      else
-         ++nonfinite;
-
-      if (verbose)
-	 fprintf(stderr, "%.*g %d\n", DBL_DIG, test, precision);
-
-      /* Check for overflow in the buffer by setting a marker. */
-      memset(buffer, 71, sizeof buffer);
-
-      png_ascii_from_fp(0, buffer, precision+10, test, precision);
-
-      /* Allow for a three digit exponent, this stuff will fail if
-       * the exponent is bigger than this!
-       */
-      if (buffer[precision+7] != 71)
-      {
-         fprintf(stderr, "%g[%d] -> '%s'[%lu] buffer overflow\n", test,
-	    precision, buffer, (unsigned long)strlen(buffer));
-	 failed = 1;
-      }
-
-      /* Following are used for the number parser below and must be
-       * initialized to zero.
-       */
-      state = 0;
-      index = 0;
-      if (!isfinite(test))
-      {
-         /* Expect 'inf' */
-	 if (test >= 0 && strcmp(buffer, "inf") ||
-	     test <  0 && strcmp(buffer, "-inf"))
-	 {
-	    fprintf(stderr, "%g[%d] -> '%s' but expected 'inf'\n", test,
-	       precision, buffer);
-	    failed = 1;
-	 }
-      }
-      else if (!png_check_fp_number(buffer, precision+10, &state, &index) ||
-          buffer[index] != 0)
-      {
-	 fprintf(stderr, "%g[%d] -> '%s' but has bad format ('%c')\n", test,
-	 precision, buffer, buffer[index]);
-         failed = 1;
-      }
-      else if (PNG_FP_IS_NEGATIVE(state) && !(test < 0))
-      {
-         fprintf(stderr, "%g[%d] -> '%s' but negative value not so reported\n",
-            test, precision, buffer);
-         failed = 1;
-         assert(!PNG_FP_IS_ZERO(state));
-         assert(!PNG_FP_IS_POSITIVE(state));
-      }
-      else if (PNG_FP_IS_ZERO(state) && !(test == 0))
-      {
-         fprintf(stderr, "%g[%d] -> '%s' but zero value not so reported\n",
-            test, precision, buffer);
-         failed = 1;
-         assert(!PNG_FP_IS_NEGATIVE(state));
-         assert(!PNG_FP_IS_POSITIVE(state));
-      }
-      else if (PNG_FP_IS_POSITIVE(state) && !(test > 0))
-      {
-         fprintf(stderr, "%g[%d] -> '%s' but postive value not so reported\n",
-            test, precision, buffer);
-         failed = 1;
-         assert(!PNG_FP_IS_NEGATIVE(state));
-         assert(!PNG_FP_IS_ZERO(state));
-      }
-      else
-      {
-         /* Check the result against the original. */
-	 double out = atof(buffer);
-	 double change = fabs((out - test)/test);
-	 double allow = .5/pow(10,
-            (precision >= DBL_DIG) ? DBL_DIG-1 : precision-1);
-
-	 /* NOTE: if you hit this error case are you compiling with gcc
-	  * and -O0?  Try -O2 - the errors can accumulate if the FP
-	  * code above is not optimized and may drift outside the .5 in
-	  * DBL_DIG allowed.  In any case a small number of errors may
-	  * occur (very small ones - 1 or 2%) because of rounding in the
-	  * calculations, either in the conversion API or in atof.
-	  */
-	 if (change >= allow && (isfinite(out) ||
-	     fabs(test/DBL_MAX) <= 1-allow))
-	 {
-            double percent = (precision >= DBL_DIG) ? max_error_abs : max_error;
-            double allowp = (change-allow)*100/allow;
-
-            if (precision >= DBL_DIG)
-            {
-               if (max_abs < allowp) max_abs = allowp;
-            }
-
-            else
-            {
-               if (max < allowp) max = allowp;
-            }
-
-	    if (showall || allowp >= percent)
-	    {
-	       fprintf(stderr,
-		  "%.*g[%d] -> '%s' -> %.*g number changed (%g > %g (%d%%))\n",
-		  DBL_DIG, test, precision, buffer, DBL_DIG, out, change, allow,
-		  (int)round(allowp));
-	       failed = 1;
-	    }
-	    else
-	       ++minorarith;
-         }
-      }
-
-      if (failed)
-         ++failcount;
-      else
-         ++ok;
-
-skip:
-      /* Generate a new number and precision. */
-      precision = rand();
-      if (precision & 1) test = -test;
-      precision >>= 1;
-
-      /* Generate random numbers. */
-      if (test == 0 || !isfinite(test))
-	 test = precision+1;
-      else
-      {
-	 /* Derive the exponent from the previous rand() value. */
-	 int exponent = precision % (DBL_MAX_EXP - DBL_MIN_EXP) + DBL_MIN_EXP;
-	 int tmp;
-	 test = frexp(test * rand(), &tmp);
-	 test = ldexp(test, exponent);
-	 precision >>= 8; /* arbitrary */
-      }
-
-      /* This limits the precision to 32 digits, enough for standard
-       * IEEE implementations which have at most 15 digits.
-       */
-      precision = (precision & 0x1f) + 1;
-   }
-   while (--count);
-
-   printf("Tested %d finite values, %d non-finite, %d OK (%d failed) %d minor "
-      "arithmetic errors\n", finite, nonfinite, ok, failcount, minorarith);
-   printf(" Error with >=%d digit precision %.2f%%\n", DBL_DIG, max_abs);
-   printf(" Error with < %d digit precision %.2f%%\n", DBL_DIG, max);
-
-   return 0;
-}
-
-/* Observe that valid FP numbers have the forms listed in the PNG extensions
- * specification:
- *
- * [+,-]{integer,integer.fraction,.fraction}[{e,E}[+,-]integer]
- *
- * Test each of these in turn, including invalid cases.
- */
-typedef enum checkfp_state
-{
-   start, fraction, exponent, states
-} checkfp_state;
-
-/* The characters (other than digits) that characterize the states: */
-static const char none[] = "";
-static const char hexdigits[16] = "0123456789ABCDEF";
-
-static const struct
-{
-   const char *start; /* Characters valid at the start */
-   const char *end;   /* Valid characters that end the state */
-   const char *tests; /* Characters to test after 2 digits seen */
-}
-state_characters[states] =
-{
-   /* start:    */ { "+-.", ".eE", "+-.e*0369" },
-   /* fraction: */ { none, "eE",  "+-.E#0147" },
-   /* exponent: */ { "+-", none,  "+-.eE^0258" }
-};
-
-typedef struct
-{
-   char number[1024];  /* Buffer for number being tested */
-   int  limit;         /* Command line limit */
-   int  verbose;       /* Shadows global variable */
-   int  ctimes;        /* Number of numbers tested */
-   int  cmillions;     /* Count of millions of numbers */
-   int  cinvalid;      /* Invalid strings checked */
-   int  cnoaccept;     /* Characters not accepted */
-}
-checkfp_command;
-
-typedef struct
-{
-   int           cnumber;          /* Index into number string */
-   checkfp_state check_state;      /* Current number state */
-   int           at_start;         /* At start (first character) of state */
-   int           cdigits_in_state; /* Digits seen in that state */
-   int           limit;            /* Limit on same for checking all chars */
-   int           state;            /* Current parser state */
-   int           is_negative;      /* Number is negative */
-   int           is_zero;          /* Number is (still) zero */
-   int           number_was_valid; /* Previous character validity */
-}
-checkfp_control;
-
-static int check_all_characters(checkfp_command *co, checkfp_control c);
-
-static int check_some_characters(checkfp_command *co, checkfp_control c,
-   const char *tests);
-
-static int check_one_character(checkfp_command *co, checkfp_control c, int ch)
-{
-   /* Test this character (ch) to ensure the parser does the correct thing.
-    */
-   png_size_t index = 0;
-   const char test = (char)ch;
-   const int number_is_valid = png_check_fp_number(&test, 1, &c.state, &index);
-   const int character_accepted = (index == 1);
-
-   if (c.check_state != exponent && isdigit(ch) && ch != '0')
-      c.is_zero = 0;
-
-   if (c.check_state == start && c.at_start && ch == '-')
-      c.is_negative = 1;
-
-   if (isprint(ch))
-      co->number[c.cnumber++] = (char)ch;
-   else
-   {
-      co->number[c.cnumber++] = '<';
-      co->number[c.cnumber++] = hexdigits[(ch >> 4) & 0xf];
-      co->number[c.cnumber++] = hexdigits[ch & 0xf];
-      co->number[c.cnumber++] = '>';
-   }
-   co->number[c.cnumber] = 0;
-
-   if (co->verbose > 1)
-      fprintf(stderr, "%s\n", co->number);
-
-   if (++(co->ctimes) == 1000000)
-   {
-      if (co->verbose == 1)
-         fputc('.', stderr);
-      co->ctimes = 0;
-      ++(co->cmillions);
-   }
-
-   if (!number_is_valid)
-      ++(co->cinvalid);
-
-   if (!character_accepted)
-      ++(co->cnoaccept);
-
-   /* This should never fail (it's a serious bug if it does): */
-   if (index != 0 && index != 1)
-   {
-      fprintf(stderr, "%s: read beyond end of string (%lu)\n", co->number,
-         (unsigned long)index);
-      return 0;
-   }
-
-   /* Validate the new state, note that the PNG_FP_IS_ macros all return
-    * false unless the number is valid.
-    */
-   if (PNG_FP_IS_NEGATIVE(c.state) !=
-      (number_is_valid && !c.is_zero && c.is_negative))
-   {
-      fprintf(stderr, "%s: negative when it is not\n", co->number);
-      return 0;
-   }
-
-   if (PNG_FP_IS_ZERO(c.state) != (number_is_valid && c.is_zero))
-   {
-      fprintf(stderr, "%s: zero when it is not\n", co->number);
-      return 0;
-   }
-
-   if (PNG_FP_IS_POSITIVE(c.state) !=
-      (number_is_valid && !c.is_zero && !c.is_negative))
-   {
-      fprintf(stderr, "%s: positive when it is not\n", co->number);
-      return 0;
-   }
-
-   /* Testing a digit */
-   if (isdigit(ch))
-   {
-      if (!character_accepted)
-      {
-         fprintf(stderr, "%s: digit '%c' not accepted\n", co->number, ch);
-         return 0;
-      }
-
-      if (!number_is_valid)
-      {
-         fprintf(stderr, "%s: saw a digit (%c) but number not valid\n",
-            co->number, ch);
-         return 0;
-      }
-
-      ++c.cdigits_in_state;
-      c.at_start = 0;
-      c.number_was_valid = 1;
-
-      /* Continue testing characters in this state.  Either test all of
-       * them or, if we have already seen one digit in this state, just test a
-       * limited set.
-       */
-      if (c.cdigits_in_state < 1)
-         return check_all_characters(co, c);
-
-      else
-         return check_some_characters(co, c,
-            state_characters[c.check_state].tests);
-   }
-
-   /* A non-digit; is it allowed here? */
-   else if (((ch == '+' || ch == '-') && c.check_state != fraction &&
-               c.at_start) ||
-            (ch == '.' && c.check_state == start) ||
-            ((ch == 'e' || ch == 'E') && c.number_was_valid &&
-               c.check_state != exponent))
-   {
-      if (!character_accepted)
-      {
-         fprintf(stderr, "%s: character '%c' not accepted\n", co->number, ch);
-         return 0;
-      }
-
-      /* The number remains valid after start of fraction but nowhere else. */
-      if (number_is_valid && (c.check_state != start || ch != '.'))
-      {
-         fprintf(stderr, "%s: saw a non-digit (%c) but number valid\n",
-            co->number, ch);
-         return 0;
-      }
-
-      c.number_was_valid = number_is_valid;
-
-      /* Check for a state change.  When changing to 'fraction' if the number
-       * is valid at this point set the at_start to false to allow an exponent
-       * 'e' to come next.
-       */
-      if (c.check_state == start && ch == '.')
-      {
-         c.check_state = fraction;
-         c.at_start = !number_is_valid;
-         c.cdigits_in_state = 0;
-         c.limit = co->limit;
-         return check_all_characters(co, c);
-      }
-
-      else if (c.check_state < exponent && (ch == 'e' || ch == 'E'))
-      {
-         c.check_state = exponent;
-         c.at_start = 1;
-         c.cdigits_in_state = 0;
-         c.limit = co->limit;
-         return check_all_characters(co, c);
-      }
-
-      /* Else it was a sign, and the state doesn't change. */
-      else
-      {
-         if (ch != '-' && ch != '+')
-         {
-            fprintf(stderr, "checkfp: internal error (1)\n");
-            return 0;
-         }
-
-         c.at_start = 0;
-         return check_all_characters(co, c);
-      }
-   }
-
-   /* Testing an invalid character */
-   else
-   {
-      if (character_accepted)
-      {
-         fprintf(stderr, "%s: character '%c' [0x%.2x] accepted\n", co->number,
-            ch, ch);
-         return 0;
-      }
-
-      if (number_is_valid != c.number_was_valid)
-      {
-         fprintf(stderr,
-            "%s: character '%c' [0x%.2x] changed number validity\n", co->number,
-            ch, ch);
-         return 0;
-      }
-
-      /* Do nothing - the parser has stuck; return success and keep going with
-       * the next character.
-       */
-   }
-
-   /* Successful return (the caller will try the next character.) */
-   return 1;
-}
-
-static int check_all_characters(checkfp_command *co, checkfp_control c)
-{
-   int ch;
-
-   if (c.cnumber+4 < sizeof co->number) for (ch=0; ch<256; ++ch)
-   {
-      if (!check_one_character(co, c, ch))
-         return 0;
-   }
-
-   return 1;
-}
-
-static int check_some_characters(checkfp_command *co, checkfp_control c,
-   const char *tests)
-{
-   int i;
-
-   --(c.limit);
-
-   if (c.cnumber+4 < sizeof co->number && c.limit >= 0)
-   {
-      if (c.limit > 0) for (i=0; tests[i]; ++i)
-      {
-         if (!check_one_character(co, c, tests[i]))
-               return 0;
-      }
-
-      /* At the end check all the characters. */
-      else
-         return check_all_characters(co, c);
-   }
-
-   return 1;
-}
-
-int validation_checkfp(int count, int argc, char **argv)
-{
-   int result;
-   checkfp_command command;
-   checkfp_control control;
-
-   command.number[0] = 0;
-   command.limit = 3;
-   command.verbose = verbose;
-   command.ctimes = 0;
-   command.cmillions = 0;
-   command.cinvalid = 0;
-   command.cnoaccept = 0;
-
-   while (--argc > 0)
-   {
-      ++argv;
-      if (argc > 1 && strcmp(*argv, "-l") == 0)
-      {
-         --argc;
-         command.limit = atoi(*++argv);
-      }
-
-      else
-      {
-         fprintf(stderr, "unknown argument %s\n", *argv);
-         return 1;
-      }
-   }
-
-   control.cnumber = 0;
-   control.check_state = start;
-   control.at_start = 1;
-   control.cdigits_in_state = 0;
-   control.limit = command.limit;
-   control.state = 0;
-   control.is_negative = 0;
-   control.is_zero = 1;
-   control.number_was_valid = 0;
-
-   result = check_all_characters(&command, control);
-
-   printf("checkfp: %s: checked %d,%.3d,%.3d,%.3d strings (%d invalid)\n",
-      result ? "pass" : "FAIL", command.cmillions / 1000,
-      command.cmillions % 1000, command.ctimes / 1000, command.ctimes % 1000,
-      command.cinvalid);
-
-   return result;
-}
-
-int validation_muldiv(int count, int argc, char **argv)
-{
-   int tested = 0;
-   int overflow = 0;
-   int error = 0;
-   int error64 = 0;
-   int passed = 0;
-   int randbits = 0;
-   png_uint_32 randbuffer;
-   png_fixed_point a;
-   png_int_32 times, div;
-
-   while (--argc > 0)
-      {
-         fprintf(stderr, "unknown argument %s\n", *++argv);
-         return 1;
-      }
-
-   /* Find out about the random number generator. */
-   randbuffer = RAND_MAX;
-   while (randbuffer != 0) ++randbits, randbuffer >>= 1;
-   printf("Using random number generator that makes %d bits\n", randbits);
-   for (div=0; div<32; div += randbits)
-      randbuffer = (randbuffer << randbits) ^ rand();
-
-   a = 0;
-   times = div = 0;
-   do
-   {
-      png_fixed_point result;
-      /* NOTE: your mileage may vary, a type is required below that can
-       * hold 64 bits or more, if floating point is used a 64 bit or
-       * better mantissa is required.
-       */
-      long long int fp, fpround;
-      unsigned long hi, lo;
-      int ok;
-
-      /* Check the values, png_64bit_product can only handle positive
-       * numbers, so correct for that here.
-       */
-      {
-         long u1, u2;
-	 int n = 0;
-	 if (a < 0) u1 = -a, n = 1; else u1 = a;
-	 if (times < 0) u2 = -times, n = !n; else u2 = times;
-	 png_64bit_product(u1, u2, &hi, &lo);
-	 if (n)
-	 {
-	    /* -x = ~x+1 */
-	    lo = ((~lo) + 1) & 0xffffffff;
-	    hi = ~hi;
-	    if (lo == 0) ++hi;
-	 }
-      }
-
-      fp = a;
-      fp *= times;
-      if ((fp & 0xffffffff) != lo || ((fp >> 32) & 0xffffffff) != hi)
-      {
-         fprintf(stderr, "png_64bit_product %d * %d -> %lx|%.8lx not %llx\n",
-	    a, times, hi, lo, fp);
-	 ++error64;
-      }
-
-      if (div != 0)
-      {
-	 /* Round - this is C round to zero. */
-	 if ((fp < 0) != (div < 0))
-	   fp -= div/2;
-	 else
-	   fp += div/2;
-
-	 fp /= div;
-	 fpround = fp;
-	 /* Assume 2's complement here: */
-	 ok = fpround <= PNG_UINT_31_MAX &&
-	      fpround >= -1-(long long int)PNG_UINT_31_MAX;
-	 if (!ok) ++overflow;
-      }
-      else
-        ok = 0, ++overflow, fpround = fp/*misleading*/;
-
-      if (verbose)
-         fprintf(stderr, "TEST %d * %d / %d -> %lld (%s)\n", a, times, div,
-	    fp, ok ? "ok" : "overflow");
-
-      ++tested;
-      if (png_muldiv(&result, a, times, div) != ok)
-      {
-	 ++error;
-	 if (ok)
-	     fprintf(stderr, "%d * %d / %d -> overflow (expected %lld)\n", a,
-	        times, div, fp);
-         else
-	     fprintf(stderr, "%d * %d / %d -> %d (expected overflow %lld)\n", a,
-	        times, div, result, fp);
-      }
-      else if (ok && result != fpround)
-      {
-         ++error;
-         fprintf(stderr, "%d * %d / %d -> %d not %lld\n", a, times, div, result,
-	    fp);
-      }
-      else
-         ++passed;
-
-      /* Generate three new values, this uses rand() and rand() only returns
-       * up to RAND_MAX.
-       */
-      /* CRUDE */
-      a += times;
-      times += div;
-      div = randbuffer;
-      randbuffer = (randbuffer << randbits) ^ rand();
-   }
-   while (--count > 0);
-
-   printf("%d tests including %d overflows, %d passed, %d failed (%d 64 bit "
-      "errors)\n", tested, overflow, passed, error, error64);
-   return 0;
-}
-
-/* When FP is on this just becomes a speed test - compile without FP to get real
- * validation.
- */
-#ifdef PNG_FLOATING_ARITHMETIC_SUPPORTED
-#define LN2 .000010576586617430806112933839 /* log(2)/65536 */
-#define L2INV 94548.46219969910586572651    /* 65536/log(2) */
-
-/* For speed testing, need the internal functions too: */
-static png_uint_32 png_log8bit(unsigned x)
-{
-   if (x > 0)
-      return (png_uint_32)floor(.5-log(x/255.)*L2INV);
-
-   return 0xffffffff;
-}
-
-static png_uint_32 png_log16bit(png_uint_32 x)
-{
-   if (x > 0)
-      return (png_uint_32)floor(.5-log(x/65535.)*L2INV);
-
-   return 0xffffffff;
-}
-
-static png_uint_32 png_exp(png_uint_32 x)
-{
-   return (png_uint_32)floor(.5 + exp(x * -LN2) * 0xffffffffU);
-}
-
-static png_byte png_exp8bit(png_uint_32 log)
-{
-   return (png_byte)floor(.5 + exp(log * -LN2) * 255);
-}
-
-static png_uint_16 png_exp16bit(png_uint_32 log)
-{
-   return (png_uint_16)floor(.5 + exp(log * -LN2) * 65535);
-}
-#endif /* FLOATING_ARITHMETIC */
-
-int validation_gamma(int argc, char **argv)
-{
-   double gamma[9] = { 2.2, 1.8, 1.52, 1.45, 1., 1/1.45, 1/1.52, 1/1.8, 1/2.2 };
-   double maxerr;
-   int i, silent=0, onlygamma=0;
-
-   /* Silence the output with -s, just test the gamma functions with -g: */
-   while (--argc > 0)
-      if (strcmp(*++argv, "-s") == 0)
-	 silent = 1;
-      else if (strcmp(*argv, "-g") == 0)
-         onlygamma = 1;
-      else
-      {
-         fprintf(stderr, "unknown argument %s\n", *argv);
-         return 1;
-      }
-
-   if (!onlygamma)
-   {
-      /* First validate the log functions: */
-      maxerr = 0;
-      for (i=0; i<256; ++i)
-      {
-	 double correct = -log(i/255.)/log(2.)*65536;
-	 double error = png_log8bit(i) - correct;
-
-	 if (i != 0 && fabs(error) > maxerr)
-	    maxerr = fabs(error);
-
-	 if (i == 0 && png_log8bit(i) != 0xffffffff ||
-	     i != 0 && png_log8bit(i) != floor(correct+.5))
-	 {
-	    fprintf(stderr, "8 bit log error: %d: got %u, expected %f\n",
-	       i, png_log8bit(i), correct);
-	 }
-      }
-
-      if (!silent)
-	 printf("maximum 8 bit log error = %f\n", maxerr);
-
-      maxerr = 0;
-      for (i=0; i<65536; ++i)
-      {
-	 double correct = -log(i/65535.)/log(2.)*65536;
-	 double error = png_log16bit(i) - correct;
-
-	 if (i != 0 && fabs(error) > maxerr)
-	    maxerr = fabs(error);
-
-	 if (i == 0 && png_log16bit(i) != 0xffffffff ||
-	     i != 0 && png_log16bit(i) != floor(correct+.5))
-	 {
-	    if (error > .68) /* By experiment error is less than .68 */
-	    {
-	       fprintf(stderr, "16 bit log error: %d: got %u, expected %f"
-		  " error: %f\n", i, png_log16bit(i), correct, error);
-	    }
-	 }
-      }
-
-      if (!silent)
-	 printf("maximum 16 bit log error = %f\n", maxerr);
-
-      /* Now exponentiations. */
-      maxerr = 0;
-      for (i=0; i<=0xfffff; ++i)
-      {
-	 double correct = exp(-i/65536. * log(2.)) * (65536. * 65536);
-	 double error = png_exp(i) - correct;
-
-	 if (fabs(error) > maxerr)
-	    maxerr = fabs(error);
-	 if (fabs(error) > 1883) /* By experiment. */
-	 {
-	    fprintf(stderr, "32 bit exp error: %d: got %u, expected %f"
-		  " error: %f\n", i, png_exp(i), correct, error);
-	 }
-      }
-
-      if (!silent)
-	 printf("maximum 32 bit exp error = %f\n", maxerr);
-
-      maxerr = 0;
-      for (i=0; i<=0xfffff; ++i)
-      {
-	 double correct = exp(-i/65536. * log(2.)) * 255;
-	 double error = png_exp8bit(i) - correct;
-
-	 if (fabs(error) > maxerr)
-	    maxerr = fabs(error);
-	 if (fabs(error) > .50002) /* By experiment */
-	 {
-	    fprintf(stderr, "8 bit exp error: %d: got %u, expected %f"
-		  " error: %f\n", i, png_exp8bit(i), correct, error);
-	 }
-      }
-
-      if (!silent)
-	 printf("maximum 8 bit exp error = %f\n", maxerr);
-
-      maxerr = 0;
-      for (i=0; i<=0xfffff; ++i)
-      {
-	 double correct = exp(-i/65536. * log(2.)) * 65535;
-	 double error = png_exp16bit(i) - correct;
-
-	 if (fabs(error) > maxerr)
-	    maxerr = fabs(error);
-	 if (fabs(error) > .524) /* By experiment */
-	 {
-	    fprintf(stderr, "16 bit exp error: %d: got %u, expected %f"
-		  " error: %f\n", i, png_exp16bit(i), correct, error);
-	 }
-      }
-
-      if (!silent)
-	 printf("maximum 16 bit exp error = %f\n", maxerr);
-   } /* !onlygamma */
-
-   /* Test the overall gamma correction. */
-   for (i=0; i<9; ++i)
-   {
-      unsigned j;
-      double g = gamma[i];
-      png_fixed_point gfp = floor(g * PNG_FP_1 + .5);
-
-      if (!silent)
-	 printf("Test gamma %f\n", g);
-
-      maxerr = 0;
-      for (j=0; j<256; ++j)
-      {
-         double correct = pow(j/255., g) * 255;
-	 png_byte out = png_gamma_8bit_correct(j, gfp);
-	 double error = out - correct;
-
-	 if (fabs(error) > maxerr)
-	    maxerr = fabs(error);
-	 if (out != floor(correct+.5))
-	 {
-	    fprintf(stderr, "8bit %d ^ %f: got %d expected %f error %f\n",
-	       j, g, out, correct, error);
-	 }
-      }
-
-      if (!silent)
-	 printf("gamma %f: maximum 8 bit error %f\n", g, maxerr);
-
-      maxerr = 0;
-      for (j=0; j<65536; ++j)
-      {
-         double correct = pow(j/65535., g) * 65535;
-	 png_uint_16 out = png_gamma_16bit_correct(j, gfp);
-	 double error = out - correct;
-
-	 if (fabs(error) > maxerr)
-	    maxerr = fabs(error);
-	 if (fabs(error) > 1.62)
-	 {
-	    fprintf(stderr, "16bit %d ^ %f: got %d expected %f error %f\n",
-	       j, g, out, correct, error);
-	 }
-      }
-
-      if (!silent)
-	 printf("gamma %f: maximum 16 bit error %f\n", g, maxerr);
-   }
-
-   return 0;
-}
-
-/**************************** VALIDATION TESTS ********************************/
-/* Various validation routines are included herein, they require some
- * definition for png_warning and png_error, seetings of VALIDATION:
- *
- * 1: validates the ASCII to floating point conversions
- * 2: validates png_muldiv
- * 3: accuracy test of fixed point gamma tables
- */
-
-/* The following COUNT (10^8) takes about 1 hour on a 1GHz Pentium IV
- * processor.
- */
-#define COUNT 1000000000
-
-int main(int argc, char **argv)
-{
-   int count = COUNT;
-
-   while (argc > 1)
-   {
-      if (argc > 2 && strcmp(argv[1], "-c") == 0)
-      {
-         count = atoi(argv[2]);
-         argc -= 2;
-         argv += 2;
-      }
-
-      else if (strcmp(argv[1], "-v") == 0)
-      {
-         ++verbose;
-         --argc;
-         ++argv;
-      }
-
-      else
-         break;
-   }
-
-   if (count > 0 && argc > 1)
-   {
-      if (strcmp(argv[1], "ascii") == 0)
-         return validation_ascii_to_fp(count, argc-1, argv+1);
-      else if (strcmp(argv[1], "checkfp") == 0)
-         return validation_checkfp(count, argc-1, argv+1);
-      else if (strcmp(argv[1], "muldiv") == 0)
-         return validation_muldiv(count, argc-1, argv+1);
-      else if (strcmp(argv[1], "gamma") == 0)
-         return validation_gamma(argc-1, argv+1);
-   }
-
-   /* Bad argument: */
-   fprintf(stderr,
-      "usage: tarith [-v] [-c count] {ascii,muldiv,gamma} [args]\n");
-   fprintf(stderr, " arguments: ascii [-a (all results)] [-e error%%]\n");
-   fprintf(stderr, "            checkfp [-l max-number-chars]\n");
-   fprintf(stderr, "            muldiv\n");
-   fprintf(stderr, "            gamma -s (silent) -g (only gamma; no log)\n");
-   return 1;
-}

contrib/libtests/test-pngstest.sh

@@ -1,24 +0,0 @@
-#!/bin/sh
-#
-# Run the simplified API tests
-err=0
-
-echo >> pngtest-log.txt
-echo "============ pngstest.sh ==============" >> pngtest-log.txt
-
-echo "Running test-pngstest.sh"
-for image in ${srcdir}/contrib/pngsuite/*.png
-do
-   for opts in ""
-   do
-      if ./pngstest --strict --log "$@" $opts $image >>pngtest-log.txt 2>&1
-      then
-         echo "  PASS: pngstest $opts $image"
-      else
-         echo "  FAIL: pngstest $opts $image"
-         err=1
-      fi
-   done
-done
-
-exit $err

contrib/libtests/test-pngunknown.sh

@@ -1,38 +0,0 @@
-#!/bin/sh
-#
-# Run the unknown API tests
-err=0
-image="${srcdir}/pngtest.png"
-#
-# stream 4 is used for the output of the shell, pngtest-log.txt gets all the
-# normal program output.
-exec 4>&1 1>>pngtest-log.txt 2>&1
-
-echo
-echo "============ test-pngunknown.sh =============="
-
-echo "Running test-pngunknown.sh" >&4
-
-for tests in \
- "discard default=discard"\
- "save default=save"\
- "if-safe default=if-safe"\
- "vpAg vpAg=if-safe"\
- "sTER sTER=if-safe"\
- "IDAT default=discard IDAT=save"\
- "sAPI bKGD=save cHRM=save gAMA=save all=discard iCCP=save sBIT=save sRGB=save"
-do
-   set $tests
-   test="$1"
-   shift
-
-   if ./pngunknown "$@" "$image" 4>&-
-   then
-      echo "  PASS: test-pngunknown $test" >&4
-   else
-      echo "  FAIL: test-pngunknown $test" >&4
-      err=1
-   fi
-done
-
-exit $err

contrib/pngminim/decoder/pngusr.dfa

@@ -37,4 +37,3 @@ option SETJMP on
 option STDIO on
 option READ_EXPAND on
 option READ_STRIP_16_TO_8 on
-option USER_LIMITS on

contrib/pngminus/pnm2png.c

@@ -239,7 +239,7 @@ BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace,
     get_token(pnm_file, maxval_token);
     sscanf (maxval_token, "%lu", &ul_maxval);
     maxval = (png_uint_32) ul_maxval;
-
+    
     if (maxval <= 1)
       bit_depth = 1;
     else if (maxval <= 3)

contrib/pngsuite/README

@@ -1,8 +1,7 @@
 
 pngsuite
 --------
-(c) Willem van Schaik, 1999, 2011, 2012
-Two images are by Glenn Randers-Pehrson, 2012
+(c) Willem van Schaik, 1999, 2011
 
 Permission to use, copy, modify, and distribute these images for any
 purpose and without fee is hereby granted.
@@ -39,8 +38,6 @@ can use them to test the proper functioning of PNG software.
     basn6a08.png   8-bit RGBA
     basn6a16.png  16-bit RGBA
 
-    ftbbn0g01.png  1-bit grayscale, black bKGD
-    ftbbn0g02.png  2-bit grayscale, black bKGD
     ftbbn0g04.png  4-bit grayscale, black bKGD
     ftbbn2c16.png 16-bit truecolor, black bKGD
     ftbbn3p08.png  8-bit paletted, black bKGD

contrib/tools/checksum-icc.c

@@ -1,102 +0,0 @@
-/* checksum-icc.c
- *
- * Copyright (c) 2012 John Cunningham Bowler
- *
- * Last changed in libpng 1.6.0 [(PENDING RELEASE)]
- *
- * This code is released under the libpng license.
- * For conditions of distribution and use, see the disclaimer
- * and license in png.h
- *
- * Generate crc32 and adler32 checksums of the given input files, used to
- * generate check-codes for use when matching ICC profiles within libpng.
- */
-#include <stdio.h>
-
-#include <zlib.h>
-
-static int
-read_one_file(FILE *ip, const char *name)
-{
-   uLong length = 0;
-   uLong a32 = adler32(0, NULL, 0);
-   uLong c32 = crc32(0, NULL, 0);
-   Byte header[132];
-
-   for (;;)
-   {
-      int ch = getc(ip);
-      Byte b;
-
-      if (ch == EOF) break;
-
-      b = (Byte)ch;
-
-      if (length < sizeof header)
-         header[length] = b;
-
-      ++length;
-      a32 = adler32(a32, &b, 1);
-      c32 = crc32(c32, &b, 1);
-   }
-
-   if (ferror(ip))
-      return 0;
-
-   /* Success */
-   printf("PNG_ICC_CHECKSUM(0x%8.8lx, 0x%8.8lx,\n   PNG_MD5("
-      "0x%2.2x%2.2x%2.2x%2.2x, 0x%2.2x%2.2x%2.2x%2.2x, 0x%2.2x%2.2x%2.2x%2.2x,"
-      " 0x%2.2x%2.2x%2.2x%2.2x), %d,\n"
-      "   \"%4.4d/%2.2d/%2.2d %2.2d:%2.2d:%2.2d\", %lu, \"%s\")\n",
-      (unsigned long)a32, (unsigned long)c32,
-      header[84], header[85], header[86], header[87],
-      header[88], header[89], header[90], header[91],
-      header[92], header[93], header[94], header[95],
-      header[96], header[97], header[98], header[99],
-#     define u16(x) (header[x] * 256 + header[x+1])
-#     define u32(x) (u16(x) * 65536 + u16(x+2))
-      u32(64), u16(24), u16(26), u16(28), u16(30), u16(32), u16(34),
-      (unsigned long)length, name);
-
-   return 1;
-}
-
-int main(int argc, char **argv)
-{
-   int err = 0;
-
-   printf("/* adler32, crc32, MD5[16], intent, date, length, file-name */\n");
-
-   if (argc > 1)
-   {
-      int i;
-
-      for (i=1; i<argc; ++i)
-      {
-         FILE *ip = fopen(argv[i], "rb");
-
-         if (ip == NULL || !read_one_file(ip, argv[i]))
-         {
-            err = 1;
-            perror(argv[i]);
-            fprintf(stderr, "%s: read error\n", argv[i]);
-            printf("/* ERROR: %s */\n", argv[i]);
-         }
-
-         (void)fclose(ip);
-      }
-   }
-
-   else
-   {
-      if (!read_one_file(stdin, "-"))
-      {
-         err = 1;
-         perror("stdin");
-         fprintf(stderr, "stdin: read error\n");
-         printf("/* ERROR: stdin */\n");
-      }
-   }
-
-   return err;
-}

contrib/visupng/PngFile.h

@@ -17,7 +17,7 @@ void PngFileInitialize (HWND hwnd) ;
 BOOL PngFileOpenDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) ;
 BOOL PngFileSaveDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) ;
 
-BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData,
+BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData, 
                    int *piWidth, int *piHeight, int *piChannels, png_color *pBkgColor);
 BOOL PngSaveImage (PTSTR pstrFileName, png_byte *pDiData,
                    int iWidth, int iHeight, png_color BkgColor);

example.c

@@ -48,7 +48,7 @@ int main(int argc, const char **argv)
       png_image image; /* The control structure used by libpng */
 
       /* Initialize the 'png_image' structure. */
-      memset(&image, 0, (sizeof image));
+      memset(&image, 0, sizeof image);
 
       /* The first argument is the file to read: */
       if (png_image_begin_read_from_file(&image, argv[1]))
@@ -833,7 +833,7 @@ void write_png(char *file_name /* , ... other image information ... */)
 
    /* Set the palette if there is one.  REQUIRED for indexed-color images */
    palette = (png_colorp)png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH
-             * (sizeof (png_color)));
+             * png_sizeof(png_color));
    /* ... Set palette colors ... */
    png_set_PLTE(png_ptr, info_ptr, palette, PNG_MAX_PALETTE_LENGTH);
    /* You must not free palette here, because png_set_PLTE only makes a link to
@@ -864,38 +864,25 @@ void write_png(char *file_name /* , ... other image information ... */)
    png_set_gAMA(png_ptr, info_ptr, gamma);
 
    /* Optionally write comments into the image */
-   {
-      png_text text_ptr[3];
-
-      char key0[]="Title";
-      char text0[]="Mona Lisa";
-      text_ptr[0].key = key0;
-      text_ptr[0].text = text0;
-      text_ptr[0].compression = PNG_TEXT_COMPRESSION_NONE;
-      text_ptr[0].itxt_length = 0;
-      text_ptr[0].lang = NULL;
-      text_ptr[0].lang_key = NULL;
-
-      char key1[]="Author";
-      char text1[]="Leonardo DaVinci";
-      text_ptr[1].key = key1;
-      text_ptr[1].text = text1;
-      text_ptr[1].compression = PNG_TEXT_COMPRESSION_NONE;
-      text_ptr[1].itxt_length = 0;
-      text_ptr[1].lang = NULL;
-      text_ptr[1].lang_key = NULL;
-
-      char key2[]="Description";
-      char text2[]="<long text>";
-      text_ptr[2].key = key2;
-      text_ptr[2].text = text2;
-      text_ptr[2].compression = PNG_TEXT_COMPRESSION_zTXt;
-      text_ptr[2].itxt_length = 0;
-      text_ptr[2].lang = NULL;
-      text_ptr[2].lang_key = NULL;
-
-      png_set_text(write_ptr, write_info_ptr, text_ptr, 3);
-   }
+   text_ptr[0].key = "Title";
+   text_ptr[0].text = "Mona Lisa";
+   text_ptr[0].compression = PNG_TEXT_COMPRESSION_NONE;
+   text_ptr[0].itxt_length = 0;
+   text_ptr[0].lang = NULL;
+   text_ptr[0].lang_key = NULL;
+   text_ptr[1].key = "Author";
+   text_ptr[1].text = "Leonardo DaVinci";
+   text_ptr[1].compression = PNG_TEXT_COMPRESSION_NONE;
+   text_ptr[1].itxt_length = 0;
+   text_ptr[1].lang = NULL;
+   text_ptr[1].lang_key = NULL;
+   text_ptr[2].key = "Description";
+   text_ptr[2].text = "<long text>";
+   text_ptr[2].compression = PNG_TEXT_COMPRESSION_zTXt;
+   text_ptr[2].itxt_length = 0;
+   text_ptr[2].lang = NULL;
+   text_ptr[2].lang_key = NULL;
+   png_set_text(png_ptr, info_ptr, text_ptr, 3);
 
    /* Other optional chunks like cHRM, bKGD, tRNS, tIME, oFFs, pHYs */
 
@@ -968,16 +955,12 @@ void write_png(char *file_name /* , ... other image information ... */)
     * use the first method if you aren't handling interlacing yourself.
     */
    png_uint_32 k, height, width;
-
-   /* In this example, "image" is a one-dimensional array of bytes */
-   png_byte image[height*width*bytes_per_pixel];
-
+   png_byte image[height][width*bytes_per_pixel];
    png_bytep row_pointers[height];
 
-   if (height > PNG_UINT_32_MAX/(sizeof (png_bytep)))
+   if (height > PNG_UINT_32_MAX/png_sizeof(png_bytep))
      png_error (png_ptr, "Image is too tall to process in memory");
 
-   /* Set up pointers into your "image" byte array */
    for (k = 0; k < height; k++)
      row_pointers[k] = image + k*width*bytes_per_pixel;
 

libpng-manual.txt

@@ -1,6 +1,6 @@
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.6.0beta28 - August 29, 2012
+ libpng version 1.6.0beta05 - February 3, 2012
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2011 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@ libpng-manual.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.6.0beta28 - August 29, 2012
+ libpng versions 0.97, January 1998, through 1.6.0beta05 - February 3, 2012
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2011 Glenn Randers-Pehrson
 
@@ -160,8 +160,8 @@ APIs.  Most of these are fairly obvious; for example types corresponding
 to integers of particular sizes and types for passing color values.
 
 One exception is how non-integral numbers are handled.  For application
-convenience most APIs that take such numbers have C (double) arguments;
-however, internally PNG, and libpng, use 32 bit signed integers and encode
+convenience most APIs that take such numbers have C (double) arguments,
+however internally PNG, and libpng, use 32 bit signed integers and encode
 the value by multiplying by 100,000.  As of libpng 1.5.0 a convenience
 macro PNG_FP_1 is defined in png.h along with a type (png_fixed_point)
 which is simply (png_int_32).
@@ -572,7 +572,6 @@ chunk types. To change this, you can call:
 
     png_set_keep_unknown_chunks(png_ptr, keep,
         chunk_list, num_chunks);
-
     keep       - 0: default unknown chunk handling
                  1: ignore; do not keep
                  2: keep only if safe-to-copy
@@ -586,16 +585,11 @@ chunk types. To change this, you can call:
 
     chunk_list - list of chunks affected (a byte string,
                  five bytes per chunk, NULL or '\0' if
-                 num_chunks is positive; ignored if
-                 numchunks <= 0).
+                 num_chunks is 0)
 
     num_chunks - number of chunks affected; if 0, all
-                 unknown chunks are affected.  If positive,
-                 only the chunks in the list are affected,
-                 and if negative all unknown chunks and
-                 all known chunks except for the IHDR,
-                 PLTE, tRNS, IDAT, and IEND chunks are
-                 affected.
+                 unknown chunks are affected.  If nonzero,
+                 only the chunks in the list are affected
 
 Unknown chunks declared in this way will be saved as raw data onto a
 list of png_unknown_chunk structures.  If a chunk that is normally
@@ -828,7 +822,7 @@ the screen_gamma value.  Pixels with alpha less than 1.0
 will still have linear components.
 
 Use this format if you have control over your
-compositing software and so don't do other arithmetic
+compositing software and do don't do other arithmetic
 (such as scaling) on the data you get from libpng.  Your
 compositing software can simply copy opaque pixels to
 the output but still has linear values for the
@@ -1159,15 +1153,6 @@ data has been read, or zero if it is missing.  The parameters to the
 png_get_<chunk> are set directly if they are simple data types, or a
 pointer into the info_ptr is returned for any complex types.
 
-The colorspace data from gAMA, cHRM, sRGB, iCCP, and sBIT chunks
-is simply returned to give the application information about how the
-image was encoded.  Libpng itself only does transformations using the file
-gamma when combining semitransparent pixels with the background color, and,
-since libpng-1.6.0, when converting between 8-bit sRGB and 16-bit linear pixels
-within the simplified API.  Libpng also uses the file gamma when converting
-RGB to gray, beginning with libpng-1.0.5, if the application calls
-png_set_rgb_to_gray()).
-
     png_get_PLTE(png_ptr, info_ptr, &palette,
                      &num_palette);
 
@@ -1779,7 +1764,7 @@ the current display (e.g., the background color from a web page).  You
 need to tell libpng how the color is represented, both the format of the
 component values in the color (the number of bits) and the gamma encoding of the
 color.  The function takes two arguments, background_gamma_mode and need_expand
-to convey this information; however, only two combinations are likely to be
+to convey this information, however only two combinations are likely to be
 useful:
 
     png_color_16 my_background;
@@ -2073,7 +2058,7 @@ the second parameter NULL.
 
 If you don't want libpng to handle the interlacing details, just call
 png_read_rows() PNG_INTERLACE_ADAM7_PASSES times to read in all the images.
-Each of the images is a valid image by itself; however, you will almost
+Each of the images is a valid image by itself, however you will almost
 certainly need to distribute the pixels from each sub-image to the
 correct place.  This is where everything gets very tricky.
 
@@ -2230,7 +2215,7 @@ sPLT, only the n'th item in the structure is freed, where n is "seq".
 The default behavior is only to free data that was allocated internally
 by libpng.  This can be changed, so that libpng will not free the data,
 or so that it will free data that was allocated by the user with png_malloc()
-or png_calloc() and passed in via a png_set_*() function, with
+or png_zalloc() and passed in via a png_set_*() function, with
 
     png_data_freer(png_ptr, info_ptr, freer, mask)
 
@@ -2251,7 +2236,7 @@ or png_destroy_*() is supposed to free the data.  When the user assumes
 responsibility for libpng-allocated data, the application must use
 png_free() to free it, and when the user transfers responsibility to libpng
 for data that the user has allocated, the user must have used png_malloc()
-or png_calloc() to allocate it.
+or png_zalloc() to allocate it.
 
 If you allocated your row_pointers in a single block, as suggested above in
 the description of the high level read interface, you must not transfer
@@ -3069,9 +3054,8 @@ tEXt chunk use RFC 1123 format dates (e.g. "22 May 1997 18:07:10 GMT"),
 although this isn't a requirement.  Unlike the tIME chunk, the
 "Creation Time" tEXt chunk is not expected to be automatically changed
 by the software.  To facilitate the use of RFC 1123 dates, a function
-png_convert_to_rfc1123_buffer(buffer, png_timep) is provided to convert
-from PNG time to an RFC 1123 format string.  The caller must provide
-a writeable buffer of at least 29 bytes.
+png_convert_to_rfc1123(png_timep) is provided to convert from PNG
+time to an RFC 1123 format string.
 
 Writing unknown chunks
 
@@ -3433,7 +3417,7 @@ png_destroy_write_struct().
 The default behavior is only to free data that was allocated internally
 by libpng.  This can be changed, so that libpng will not free the data,
 or so that it will free data that was allocated by the user with png_malloc()
-or png_calloc() and passed in via a png_set_*() function, with
+or png_zalloc() and passed in via a png_set_*() function, with
 
     png_data_freer(png_ptr, info_ptr, freer, mask)
 
@@ -3469,7 +3453,7 @@ When the user assumes responsibility for libpng-allocated data, the
 application must use
 png_free() to free it, and when the user transfers responsibility to libpng
 for data that the user has allocated, the user must have used png_malloc()
-or png_calloc() to allocate it.
+or png_zalloc() to allocate it.
 
 If you allocated text_ptr.text, text_ptr.lang, and text_ptr.translated_keyword
 separately, do not transfer responsibility for freeing text_ptr to libpng,
@@ -3529,28 +3513,24 @@ need to write.  The "png_image" structure contains the following members:
    png_uint_32  format  Image format as defined below
    png_uint_32  flags   A bit mask containing informational flags
    png_controlp opaque  Initialize to NULL, free with png_image_free
-   png_const_bytep colormap A pointer to the application color-map
+
+In the event of an error or warning the following field will be set to a
+non-zero value and the 'message' field will contain a '\0' terminated
+string with the libpng error or warning message.  If both warnings and
+an error were encountered, only the error is recorded.  If there
+are multiple warnings, only the first one is recorded.
+
+As of libpng-1.6.0 the values are
+   0 - no warning or error
+   1 - error
+   2 - warning
+
    png_uint_32  warning_or_error;
    char         message[64];
 
-In the event of an error or warning the following field wrning_or_error
-field will be set to a non-zero value and the 'message' field will contain
-a '\0' terminated string with the libpng error or warning message.  If both
-warnings and an error were encountered, only the error is recorded.  If there
-are multiple warnings, only the first one is recorded.
-
-The upper 30 bits of this value are reserved; the low two bits contain
-a two bit code such that a value more than 1 indicates a failure in the API
-just called:
-
-   0 - no warning or error
-   1 - warning
-   2 - error
-   3 - error preceded by warning
-
 The pixels (samples) of the image have one to four channels whose components
 have original values in the range 0 to 1.0:
-
+ 
   1: A single gray or luminance channel (G).
   2: A gray/luminance channel and an alpha channel (GA).
   3: Three red, green, blue color channels (RGB).
@@ -3558,7 +3538,7 @@ have original values in the range 0 to 1.0:
 
 The channels are encoded in one of two ways:
 
-  a) As a small integer, value 0..255, contained in a single byte.  For the
+  a) As a small integer, value 0..255, contained in a (png_byte).  For the
 alpha channel the original value is simply value/255.  For the color or
 luminance channels the value is encoded according to the sRGB specification
 and matches the 8-bit format expected by typical display devices.
@@ -3566,7 +3546,7 @@ and matches the 8-bit format expected by typical display devices.
 The color/gray channels are not scaled (pre-multiplied) by the alpha
 channel and are suitable for passing to color management software.
 
-  b) As a value in the range 0..65535, contained in a 2-byte integer.  All
+  b) As a value in the range 0..65535, contained in a (png_uint_16).  All
 channels can be converted to the original value by dividing by 65535; all
 channels are linear.  Color channels use the RGB encoding (RGB end-points) of
 the sRGB specification.  This encoding is identified by the
@@ -3577,12 +3557,6 @@ of the color or luminance channels and is returned as an associated alpha
 channel: the color/gray channels are scaled (pre-multiplied) by the alpha
 value.
 
-When a color-mapped image is used as a result of calling
-png_image_read_colormap or png_image_write_colormap the channels are encoded
-in the color-map and the descriptions above apply to the color-map entries.
-The image data is encoded as small integers, value 0..255, that index the
-entries in the color-map.  One integer (one byte) is stored for each pixel.
-
 PNG_FORMAT_*
 
 The #defines to be used in png_image::format.  Each #define identifies a
@@ -3593,11 +3567,6 @@ A format is built up using single bit flag values.  Not all combinations are
 valid: use the bit flag values below for testing a format returned by the
 read APIs, but set formats from the derived values.
 
-When reading or writing color-mapped images the format should be set to the
-format of the entries in the color-map then png_image_{read,write}_colormap
-called to read or write the color-map and set the format correctly for the
-image data.  Do not set the PNG_FORMAT_FLAG_COLORMAP bit directly!
-
 NOTE: libpng can be built with particular features disabled, if you see
 compiler errors because the definition of one of the following flags has been
 compiled out it is because libpng does not have the required support.  It is
@@ -3610,9 +3579,8 @@ guard against this by checking for the definition of:
    PNG_FORMAT_FLAG_ALPHA    0x01 format with an alpha channel
    PNG_FORMAT_FLAG_COLOR    0x02 color format: otherwise grayscale
    PNG_FORMAT_FLAG_LINEAR   0x04 png_uint_16 channels else png_byte
-   PNG_FORMAT_FLAG_COLORMAP 0x08 libpng use only
-   PNG_FORMAT_FLAG_BGR      0x10 BGR colors, else order is RGB
-   PNG_FORMAT_FLAG_AFIRST   0x20 alpha channel comes first
+   PNG_FORMAT_FLAG_BGR      0x08 BGR colors, else order is RGB
+   PNG_FORMAT_FLAG_AFIRST   0x10 alpha channel comes first
 
 Supported formats are as follows.  Future versions of libpng may support more
 formats; for compatibility with older versions simply check if the format
@@ -3631,7 +3599,7 @@ First the single byte formats:
    PNG_FORMAT_BGRA (PNG_FORMAT_BGR|PNG_FORMAT_FLAG_ALPHA)
    PNG_FORMAT_ABGR (PNG_FORMAT_BGRA|PNG_FORMAT_FLAG_AFIRST)
 
-Then the linear 2-byte formats.  When naming these "Y" is used to
+Then the linear (png_uint_16) formats.  When naming these "Y" is used to
 indicate a luminance (gray) channel.  The component order within the pixel
 is always the same - there is no provision for swapping the order of the
 components in the linear format.
@@ -3645,85 +3613,44 @@ components in the linear format.
       (PNG_FORMAT_FLAG_LINEAR|PNG_FORMAT_FLAG_COLOR|
       PNG_FORMAT_FLAG_ALPHA)
 
-Color-mapped formats are obtained by calling png_image_{read,write}_colormap,
-as appropriate after setting png_image::format to the format of the color-map
-to be read or written.  Applications may check the value of
-PNG_FORMAT_FLAG_COLORMAP to see if they have called the colormap API.  The
-format of the color-map may be extracted using the following macro.
-
-   PNG_FORMAT_OF_COLORMAP(fmt) ((fmt) & ~PNG_FORMAT_FLAG_COLORMAP)
-
 PNG_IMAGE macros
 
-These are convenience macros to derive information from a png_image
-structure.  The PNG_IMAGE_SAMPLE_ macros return values appropriate to the
-actual image sample values - either the entries in the color-map or the
-pixels in the image.  The PNG_IMAGE_PIXEL_ macros return corresponding values
-for the pixels and will always return 1 after a call to
-png_image_{read,write}_colormap.  The remaining macros return information
-about the rows in the image and the complete image.
+These are convenience macros to derive information from a png_image structure:
 
-NOTE: All the macros that take a png_image::format parameter are compile time
-constants if the format parameter is, itself, a constant.  Therefore these
-macros can be used in array declarations and case labels where required.
-Similarly the macros are also pre-processor constants (sizeof is not used) so
-they can be used in #if tests.
-
-First the information about the samples.
-
-  PNG_IMAGE_SAMPLE_CHANNELS(fmt)
+  PNG_IMAGE_CHANNELS(fmt)
     Returns the total number of channels in a given format: 1..4
 
-  PNG_IMAGE_SAMPLE_COMPONENT_SIZE(fmt)
-    Returns the size in bytes of a single component of a pixel or color-map
-    entry (as appropriate) in the image.
-
-  PNG_IMAGE_SAMPLE_SIZE(fmt)
-    This is the size of the sample data for one sample.  If the image is
-    color-mapped it is the size of one color-map entry (and image pixels are
-    one byte in size), otherwise it is the size of one image pixel.
-
-  PNG_IMAGE_COLORMAP_SIZE(fmt)
-   The size of the color-map required by the format; this is the size of the
-   color-map buffer passed to the png_image_{read,write}_colormap APIs, it is
-   a fixed number determined by the format so can easily be allocated on the
-   stack if necessary.
-
-Corresponding information about the pixels
-
-  PNG_IMAGE_PIXEL_(test,fmt)
-
-  PNG_IMAGE_PIXEL_CHANNELS(fmt)
-   The number of separate channels (components) in a pixel; 1 for a
-   color-mapped image.
-
-  PNG_IMAGE_PIXEL_COMPONENT_SIZE(fmt)\
-   The size, in bytes, of each component in a pixel; 1 for a color-mapped
-   image.
+  PNG_IMAGE_COMPONENT_SIZE(fmt)
+    Returns the size in bytes of a single component of a pixel
+    in the image.
 
   PNG_IMAGE_PIXEL_SIZE(fmt)
-   The size, in bytes, of a complete pixel; 1 for a color-mapped image.
-
-Information about the whole row, or whole image
-
+    Returns the size in bytes of a single pixel in the image.
+   
   PNG_IMAGE_ROW_STRIDE(image)
-   Returns the total number of components in a single row of the image; this
-   is the minimum 'row stride', the minimum count of components between each
-   row.  For a color-mapped image this is the minimum number of bytes in a
-   row.
+    Returns the total number of components in a single row
+    of the image; this is the minimum 'row stride', the minimum
+    count of components between each row.
 
   PNG_IMAGE_BUFFER_SIZE(image, row_stride)
-    Returns the size, in bytes, of an image buffer given a png_image and a row
-    stride - the number of components to leave space for in each row.
+    Returns the size, in bytes, of an image buffer given
+    a png_image and a row stride - the number of components to
+    leave space for in each row.
 
-  PNG_IMAGE_FLAG_COLORSPACE_NOT_sRGB == 0x01
-    This indicates the the RGB values of the in-memory bitmap do not
-    correspond to the red, green and blue end-points defined by sRGB.
+  PNG_IMAGE_SIZE(image)
+    Returns the size, in bytes, of the image in memory given
+    just a png_image; the row stride is the minimum stride
+    required for the image.
 
-  PNG_IMAGE_FLAG_COLORMAP == 0x02
-    The PNG is color-mapped.  If this flag is set png_image_read_colormap
-    can be used without further loss of image information.  If it is not set
-    png_image_read_colormap will cause significant loss if the image has any
+PNG_IMAGE_FLAG_
+
+Flags containing additional information about the image are held
+  in the 'flags' field of png_image.
+
+   PNG_IMAGE_FLAG_COLORSPACE_NOT_sRGB
+      This indicates the the RGB values of the in-memory
+      bitmap do not correspond to the red, green and blue
+      end-points defined by sRGB.
 
 READ APIs
 
@@ -3735,6 +3662,7 @@ READ APIs
 
      The named file is opened for read and the image header
      is filled in from the PNG header in the file.
+   
 
    int png_image_begin_read_from_stdio (png_imagep image,
      FILE* file)
@@ -3751,20 +3679,20 @@ READ APIs
 
       Finish reading the image into the supplied buffer and
       clean up the png_image structure.
-
+     
       row_stride is the step, in png_byte or png_uint_16 units
       as appropriate, between adjacent rows.  A positive stride
       indicates that the top-most row is first in the buffer -
       the normal top-down arrangement.  A negative stride
       indicates that the bottom-most row is first in the buffer.
-
+     
       background need only be supplied if an alpha channel must
       be removed from a png_byte format and the removal is to be
       done by compositing on a solid color; otherwise it may be
       NULL and any composition will be done directly onto the
       buffer.  The value is an sRGB color to use for the
       background, for grayscale output the green channel is used.
-
+     
       For linear output removing the alpha channel is always done
       by compositing on black.
 
@@ -3774,10 +3702,6 @@ READ APIs
       setting the pointer to NULL.  May be called at any time
       after the structure is initialized.
 
-When the simplified API needs to convert between sRGB and linear colorspaces,
-the actual sRGB transfer curve defined in the sRGB specification (see the
-article at http://en.wikipedia.org/wiki/SRGB) is used, not the gamma=1/2.2
-approximation used elsewhere in libpng.
 
 WRITE APIS
 
@@ -3833,13 +3757,12 @@ in pngmem.c, pngrio.c, pngwio.c, and pngerror.c, respectively.  To change
 these functions, call the appropriate png_set_*_fn() function.
 
 Memory allocation is done through the functions png_malloc(), png_calloc(),
-and png_free().  The png_malloc() and png_free() functions currently just
-call the standard C functions and png_calloc() calls png_malloc() and then
-clears the newly allocated memory to zero; note that png_calloc(png_ptr, size)
-is not the same as the calloc(number, size) function provided by stdlib.h.
-There is limited support for certain systems with segmented memory
-architectures and the types of pointers declared by png.h match this; you
-will have to use appropriate pointers in your application.  Since it is
+and png_free().  These currently just call the standard C functions.
+png_calloc() calls png_malloc() and then clears the newly
+allocated memory to zero.  There is limited support for certain systems
+with segmented memory architectures and the types of pointers declared by
+png.h match this; you will have to use appropriate pointers in your
+application.  Since it is
 unlikely that the method of handling memory allocation on a platform
 will change between applications, these functions must be modified in
 the library at compile time.  If you prefer to use a different method
@@ -4069,7 +3992,7 @@ available to set these separately for non-IDAT
 compressed chunks such as zTXt, iTXt, and iCCP:
 
     #include zlib.h
-    #if PNG_LIBPNG_VER >= 10504
+    #if PNG_LIBPNG_VER <= 10504
     png_set_text_compression_level(png_ptr, level);
 
     png_set_text_compression_mem_level(png_ptr, level);
@@ -4237,17 +4160,6 @@ When PNG_DEBUG = 1, the macros are defined, but only png_debug statements
 having level = 0 will be printed.  There aren't any such statements in
 this version of libpng, but if you insert some they will be printed.
 
-Prepending a prefix to exported symbols
-
-Starting with libpng-1.6.0, you can configure libpng (when using the
-"configure" script) to prefix all exported symbols by means of the
-configuration option "--with-libpng-prefix=FOO_", where FOO_ can be any
-string beginning with a letter and containing only uppercase
-and lowercase letters, digits, and the underscore (i.e., a C language
-identifier).  This creates a set of macros in pnglibconf.h, so this is
-transparent to applications; their function calls get transformed by
-the macros to use the modified names.
-
 VII.  MNG support
 
 The MNG specification (available at http://www.libpng.org/pub/mng) allows
@@ -4517,9 +4429,7 @@ png_set_strip_error_numbers() was removed from the library by default.
 
 The png_zalloc() and png_zfree() functions are no longer exported.
 The png_zalloc() function no longer zeroes out the memory that it
-allocates.  Applications that called png_zalloc(png_ptr, number, size)
-can call png_calloc(png_ptr, number*size) instead, and can call
-png_free() instead of png_zfree().
+allocates.
 
 Support for dithering was disabled by default in libpng-1.4.0, because
 it has not been well tested and doesn't actually "dither".
@@ -4539,20 +4449,10 @@ XI.  Changes to Libpng from version 1.4.x to 1.5.x
 From libpng-1.4.0 until 1.4.4, the png_get_uint_16 macro (but not the
 function) incorrectly returned a value of type png_uint_32.
 
-Checking for invalid palette index on read or write was added at libpng
-1.5.10.  When an invalid index is found, libpng issues a benign error.
-This is enabled by default but can be disabled in each png_ptr with
-
-   png_set_check_for_invalid_index(png_ptr, allowed);
-
-      allowed  - one of
-                 0: disable
-                 1: enable
-
 A. Changes that affect users of libpng
 
 There are no substantial API changes between the non-deprecated parts of
-the 1.4.5 API and the 1.5.0 API; however, the ability to directly access
+the 1.4.5 API and the 1.5.0 API; however the ability to directly access
 members of the main libpng control structures, png_struct and png_info,
 deprecated in earlier versions of libpng, has been completely removed from
 libpng 1.5.
@@ -4563,12 +4463,9 @@ need access to information in zlib.h will need to add the '#include "zlib.h"'
 directive.  It does not matter whether this is placed prior to or after
 the '"#include png.h"' directive.
 
-The png_sprintf(), png_strcpy(), and png_strncpy() macros are no longer used
-and were removed.
-
-We moved the png_strlen(), png_memcpy(), png_memset(), and png_memcmp()
-macros into a private header file (pngpriv.h) that is not accessible to
-applications.
+We moved the png_strcpy(), png_strncpy(), png_strlen(), png_memcpy(),
+png_memcmp(), png_sprintf, and png_memcpy() macros into a private
+header file (pngpriv.h) that is not accessible by applications.
 
 In png_get_iCCP, the type of "profile" was changed from png_charpp
 to png_bytepp, and in png_set_iCCP, from png_charp to png_const_bytep.
@@ -4671,30 +4568,16 @@ PNG_USER_WIDTH_MAX and PNG_USER_HEIGHT_MAX, although this document said
 that it could be used to override them.  Now this function will reduce or
 increase the limits.
 
-Starting in libpng-1.5.10, the user limits can be set en masse with the
-configuration option PNG_SAFE_LIMITS_SUPPORTED.  If this option is enabled,
-a set of "safe" limits is applied in pngpriv.h.  These can be overridden by
-application calls to png_set_user_limits(), png_set_user_chunk_cache_max(),
-and/or png_set_user_malloc_max() that increase or decrease the limits.  Also,
-in libpng-1.5.10 the default width and height limits were increased
-from 1,000,000 to 0x7ffffff (i.e., made unlimited).  Therefore, the
-limits are now
-                               default      safe
-   png_user_width_max        0x7fffffff    1,000,000
-   png_user_height_max       0x7fffffff    1,000,000
-   png_user_chunk_cache_max  0 (unlimited)   128
-   png_user_chunk_malloc_max 0 (unlimited) 8,000,000
-
 B. Changes to the build and configuration of libpng
 
 Details of internal changes to the library code can be found in the CHANGES
 file and in the GIT repository logs.  These will be of no concern to the vast
-majority of library users or builders; however, the few who configure libpng
+majority of library users or builders, however the few who configure libpng
 to a non-default feature set may need to change how this is done.
 
 There should be no need for library builders to alter build scripts if
 these use the distributed build support - configure or the makefiles -
-however, users of the makefiles may care to update their build scripts
+however users of the makefiles may care to update their build scripts
 to build pnglibconf.h where the corresponding makefile does not do so.
 
 Building libpng with a non-default configuration has changed completely.
@@ -4800,7 +4683,7 @@ merely stops the function from being exported.
 PNG_FLOATING_ARITHMETIC_SUPPORTED chooses between the internal floating
 point implementation or the fixed point one.  Typically the fixed point
 implementation is larger and slower than the floating point implementation
-on a system that supports floating point; however, it may be faster on a
+on a system that supports floating point, however it may be faster on a
 system which lacks floating point hardware and therefore uses a software
 emulation.
 
@@ -4829,7 +4712,7 @@ pngconf.h no longer includes pngusr.h, therefore pngusr.h is ignored after the
 build of pnglibconf.h and it is never included in an application build.
 
 The rarely used alternative of adding a list of feature macros to the
-CFLAGS setting in the build also still works; however, the macros will be
+CFLAGS setting in the build also still works, however the macros will be
 copied to pnglibconf.h and this may produce macro redefinition warnings
 when the individual C files are compiled.
 
@@ -4856,9 +4739,6 @@ XII.  Changes to Libpng from version 1.5.x to 1.6.x
 A "simplified API" has been added (see documentation in png.h and a simple
 example in contrib/examples/pngtopng.c)
 
-Starting with libpng-1.6.0, you can configure libpng to prefix all exported
-symbols.
-
 We no longer include string.h in png.h.  The include statement has been moved
 to pngpriv.h, where it is not accessible by applications.  Applications that
 need access to information in string.h must add an '#include "string.h"'
@@ -4877,10 +4757,6 @@ The following has been removed:
      with png_get_io_chunk_type().  The new
      function returns a 32-bit integer instead of
      a string.
-   The png_sizeof(), png_strlen(), png_memcpy(), png_memcmp(), and
-     png_memset() macros are no longer used in the libpng sources and
-     have been removed.  These had already been made invisible to applications
-     since libpng-1.5.0.
 
 XIII.  Detecting libpng
 
@@ -5000,20 +4876,9 @@ above the comment that says
 
   /* Maintainer: Put new private prototypes here ^ and in libpngpf.3 */
 
-We put a space after the "sizeof" operator and we omit the
-optional parentheses around its argument when the argument
-is an expression, not a type name, and we always enclose the
-sizeof operator, with its argument, in parentheses:
-
-  (sizeof (png_uint_32))
-  (sizeof array)
-
-Prior to libpng-1.6.0 we used a "png_sizeof()" macro, formatted as
-though it were a function.
-
 To avoid polluting the global namespace, the names of all exported
 functions and variables begin with  "png_", and all publicly visible C
-preprocessor macros begin with "PNG".  We request that applications that
+preprocessor macros begin with "PNG_".  We request that applications that
 use libpng *not* begin any of their own symbols with either of these strings.
 
 We put a space after each comma and after each semicolon
@@ -5032,9 +4897,6 @@ when there is only one macro being tested.
 We prefer to express integers that are used as bit masks in hex format,
 with an even number of lower-case hex digits (e.g., 0x00, 0xff, 0x0100).
 
-We prefer to use underscores in variable names rather than camelCase, except
-for a few type names that we inherit from zlib.h.
-
 We do not use the TAB character for indentation in the C sources.
 
 Lines do not exceed 80 characters.
@@ -5043,25 +4905,25 @@ Other rules can be inferred by inspecting the libpng source.
 
 XVI. Y2K Compliance in libpng
 
-August 29, 2012
+February 3, 2012
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
 
 This is your unofficial assurance that libpng from version 0.71 and
-upward through 1.6.0beta28 are Y2K compliant.  It is my belief that earlier
+upward through 1.6.0beta05 are Y2K compliant.  It is my belief that earlier
 versions were also Y2K compliant.
 
-Libpng only has two year fields.  One is a 2-byte unsigned integer
-that will hold years up to 65535.  The other, which is deprecated,
-holds the date in text format, and will hold years up to 9999.
+Libpng only has three year fields.  One is a 2-byte unsigned integer that
+will hold years up to 65535.  The other two hold the date in text
+format, and will hold years up to 9999.
 
 The integer is
     "png_uint_16 year" in png_time_struct.
 
-The string is
-    "char time_buffer[29]" in png_struct.  This is no longer used
-in libpng-1.6.x and will be removed from libpng-1.7.0.
+The strings are
+    "png_charp time_buffer" in png_struct and
+    "near_time_buffer", which is a local character string in png.c.
 
 There are seven time-related functions:
 

libpng.3

@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "August 29, 2012"
+.TH LIBPNG 3 "February 3, 2012"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.6.0beta28
+libpng \- Portable Network Graphics (PNG) Reference Library 1.6.0beta05
 .SH SYNOPSIS
 \fI\fB
 
@@ -578,10 +578,6 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.6.0beta28
 
 \fI\fB
 
-\fBvoid png_set_check_for_invalid_index(png_structrp \fP\fIpng_ptr\fP\fB, int \fIallowed\fP\fB);\fP
-
-\fI\fB
-
 \fBvoid png_set_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP
 
 \fI\fB
@@ -988,6 +984,14 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.6.0beta28
 
 \fI\fB
 
+\fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP
+
+\fI\fB
+
+\fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP
+
+\fI\fB
+
 .SH DESCRIPTION
 The
 .I libpng
@@ -999,7 +1003,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
 .SH LIBPNG.TXT
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.6.0beta28 - August 29, 2012
+ libpng version 1.6.0beta05 - February 3, 2012
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2011 Glenn Randers-Pehrson
@@ -1010,7 +1014,7 @@ libpng-manual.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.6.0beta28 - August 29, 2012
+ libpng versions 0.97, January 1998, through 1.6.0beta05 - February 3, 2012
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2011 Glenn Randers-Pehrson
 
@@ -1159,8 +1163,8 @@ APIs.  Most of these are fairly obvious; for example types corresponding
 to integers of particular sizes and types for passing color values.
 
 One exception is how non-integral numbers are handled.  For application
-convenience most APIs that take such numbers have C (double) arguments;
-however, internally PNG, and libpng, use 32 bit signed integers and encode
+convenience most APIs that take such numbers have C (double) arguments,
+however internally PNG, and libpng, use 32 bit signed integers and encode
 the value by multiplying by 100,000.  As of libpng 1.5.0 a convenience
 macro PNG_FP_1 is defined in png.h along with a type (png_fixed_point)
 which is simply (png_int_32).
@@ -1571,7 +1575,6 @@ chunk types. To change this, you can call:
 
     png_set_keep_unknown_chunks(png_ptr, keep,
         chunk_list, num_chunks);
-
     keep       - 0: default unknown chunk handling
                  1: ignore; do not keep
                  2: keep only if safe-to-copy
@@ -1585,16 +1588,11 @@ chunk types. To change this, you can call:
 
     chunk_list - list of chunks affected (a byte string,
                  five bytes per chunk, NULL or '\0' if
-                 num_chunks is positive; ignored if
-                 numchunks <= 0).
+                 num_chunks is 0)
 
     num_chunks - number of chunks affected; if 0, all
-                 unknown chunks are affected.  If positive,
-                 only the chunks in the list are affected,
-                 and if negative all unknown chunks and
-                 all known chunks except for the IHDR,
-                 PLTE, tRNS, IDAT, and IEND chunks are
-                 affected.
+                 unknown chunks are affected.  If nonzero,
+                 only the chunks in the list are affected
 
 Unknown chunks declared in this way will be saved as raw data onto a
 list of png_unknown_chunk structures.  If a chunk that is normally
@@ -1827,7 +1825,7 @@ the screen_gamma value.  Pixels with alpha less than 1.0
 will still have linear components.
 
 Use this format if you have control over your
-compositing software and so don't do other arithmetic
+compositing software and do don't do other arithmetic
 (such as scaling) on the data you get from libpng.  Your
 compositing software can simply copy opaque pixels to
 the output but still has linear values for the
@@ -2158,15 +2156,6 @@ data has been read, or zero if it is missing.  The parameters to the
 png_get_<chunk> are set directly if they are simple data types, or a
 pointer into the info_ptr is returned for any complex types.
 
-The colorspace data from gAMA, cHRM, sRGB, iCCP, and sBIT chunks
-is simply returned to give the application information about how the
-image was encoded.  Libpng itself only does transformations using the file
-gamma when combining semitransparent pixels with the background color, and,
-since libpng-1.6.0, when converting between 8-bit sRGB and 16-bit linear pixels
-within the simplified API.  Libpng also uses the file gamma when converting
-RGB to gray, beginning with libpng-1.0.5, if the application calls
-png_set_rgb_to_gray()).
-
     png_get_PLTE(png_ptr, info_ptr, &palette,
                      &num_palette);
 
@@ -2778,7 +2767,7 @@ the current display (e.g., the background color from a web page).  You
 need to tell libpng how the color is represented, both the format of the
 component values in the color (the number of bits) and the gamma encoding of the
 color.  The function takes two arguments, background_gamma_mode and need_expand
-to convey this information; however, only two combinations are likely to be
+to convey this information, however only two combinations are likely to be
 useful:
 
     png_color_16 my_background;
@@ -3072,7 +3061,7 @@ the second parameter NULL.
 
 If you don't want libpng to handle the interlacing details, just call
 png_read_rows() PNG_INTERLACE_ADAM7_PASSES times to read in all the images.
-Each of the images is a valid image by itself; however, you will almost
+Each of the images is a valid image by itself, however you will almost
 certainly need to distribute the pixels from each sub-image to the
 correct place.  This is where everything gets very tricky.
 
@@ -3229,7 +3218,7 @@ sPLT, only the n'th item in the structure is freed, where n is "seq".
 The default behavior is only to free data that was allocated internally
 by libpng.  This can be changed, so that libpng will not free the data,
 or so that it will free data that was allocated by the user with png_malloc()
-or png_calloc() and passed in via a png_set_*() function, with
+or png_zalloc() and passed in via a png_set_*() function, with
 
     png_data_freer(png_ptr, info_ptr, freer, mask)
 
@@ -3250,7 +3239,7 @@ or png_destroy_*() is supposed to free the data.  When the user assumes
 responsibility for libpng-allocated data, the application must use
 png_free() to free it, and when the user transfers responsibility to libpng
 for data that the user has allocated, the user must have used png_malloc()
-or png_calloc() to allocate it.
+or png_zalloc() to allocate it.
 
 If you allocated your row_pointers in a single block, as suggested above in
 the description of the high level read interface, you must not transfer
@@ -4068,9 +4057,8 @@ tEXt chunk use RFC 1123 format dates (e.g. "22 May 1997 18:07:10 GMT"),
 although this isn't a requirement.  Unlike the tIME chunk, the
 "Creation Time" tEXt chunk is not expected to be automatically changed
 by the software.  To facilitate the use of RFC 1123 dates, a function
-png_convert_to_rfc1123_buffer(buffer, png_timep) is provided to convert
-from PNG time to an RFC 1123 format string.  The caller must provide
-a writeable buffer of at least 29 bytes.
+png_convert_to_rfc1123(png_timep) is provided to convert from PNG
+time to an RFC 1123 format string.
 
 .SS Writing unknown chunks
 
@@ -4432,7 +4420,7 @@ png_destroy_write_struct().
 The default behavior is only to free data that was allocated internally
 by libpng.  This can be changed, so that libpng will not free the data,
 or so that it will free data that was allocated by the user with png_malloc()
-or png_calloc() and passed in via a png_set_*() function, with
+or png_zalloc() and passed in via a png_set_*() function, with
 
     png_data_freer(png_ptr, info_ptr, freer, mask)
 
@@ -4468,7 +4456,7 @@ When the user assumes responsibility for libpng-allocated data, the
 application must use
 png_free() to free it, and when the user transfers responsibility to libpng
 for data that the user has allocated, the user must have used png_malloc()
-or png_calloc() to allocate it.
+or png_zalloc() to allocate it.
 
 If you allocated text_ptr.text, text_ptr.lang, and text_ptr.translated_keyword
 separately, do not transfer responsibility for freeing text_ptr to libpng,
@@ -4528,28 +4516,24 @@ need to write.  The "png_image" structure contains the following members:
    png_uint_32  format  Image format as defined below
    png_uint_32  flags   A bit mask containing informational flags
    png_controlp opaque  Initialize to NULL, free with png_image_free
-   png_const_bytep colormap A pointer to the application color-map
+
+In the event of an error or warning the following field will be set to a
+non-zero value and the 'message' field will contain a '\0' terminated
+string with the libpng error or warning message.  If both warnings and
+an error were encountered, only the error is recorded.  If there
+are multiple warnings, only the first one is recorded.
+
+As of libpng-1.6.0 the values are
+   0 - no warning or error
+   1 - error
+   2 - warning
+
    png_uint_32  warning_or_error;
    char         message[64];
 
-In the event of an error or warning the following field wrning_or_error
-field will be set to a non-zero value and the 'message' field will contain
-a '\0' terminated string with the libpng error or warning message.  If both
-warnings and an error were encountered, only the error is recorded.  If there
-are multiple warnings, only the first one is recorded.
-
-The upper 30 bits of this value are reserved; the low two bits contain
-a two bit code such that a value more than 1 indicates a failure in the API
-just called:
-
-   0 - no warning or error
-   1 - warning
-   2 - error
-   3 - error preceded by warning
-
 The pixels (samples) of the image have one to four channels whose components
 have original values in the range 0 to 1.0:
-
+ 
   1: A single gray or luminance channel (G).
   2: A gray/luminance channel and an alpha channel (GA).
   3: Three red, green, blue color channels (RGB).
@@ -4557,7 +4541,7 @@ have original values in the range 0 to 1.0:
 
 The channels are encoded in one of two ways:
 
-  a) As a small integer, value 0..255, contained in a single byte.  For the
+  a) As a small integer, value 0..255, contained in a (png_byte).  For the
 alpha channel the original value is simply value/255.  For the color or
 luminance channels the value is encoded according to the sRGB specification
 and matches the 8-bit format expected by typical display devices.
@@ -4565,7 +4549,7 @@ and matches the 8-bit format expected by typical display devices.
 The color/gray channels are not scaled (pre-multiplied) by the alpha
 channel and are suitable for passing to color management software.
 
-  b) As a value in the range 0..65535, contained in a 2-byte integer.  All
+  b) As a value in the range 0..65535, contained in a (png_uint_16).  All
 channels can be converted to the original value by dividing by 65535; all
 channels are linear.  Color channels use the RGB encoding (RGB end-points) of
 the sRGB specification.  This encoding is identified by the
@@ -4576,12 +4560,6 @@ of the color or luminance channels and is returned as an associated alpha
 channel: the color/gray channels are scaled (pre-multiplied) by the alpha
 value.
 
-When a color-mapped image is used as a result of calling
-png_image_read_colormap or png_image_write_colormap the channels are encoded
-in the color-map and the descriptions above apply to the color-map entries.
-The image data is encoded as small integers, value 0..255, that index the
-entries in the color-map.  One integer (one byte) is stored for each pixel.
-
 PNG_FORMAT_*
 
 The #defines to be used in png_image::format.  Each #define identifies a
@@ -4592,11 +4570,6 @@ A format is built up using single bit flag values.  Not all combinations are
 valid: use the bit flag values below for testing a format returned by the
 read APIs, but set formats from the derived values.
 
-When reading or writing color-mapped images the format should be set to the
-format of the entries in the color-map then png_image_{read,write}_colormap
-called to read or write the color-map and set the format correctly for the
-image data.  Do not set the PNG_FORMAT_FLAG_COLORMAP bit directly!
-
 NOTE: libpng can be built with particular features disabled, if you see
 compiler errors because the definition of one of the following flags has been
 compiled out it is because libpng does not have the required support.  It is
@@ -4609,9 +4582,8 @@ guard against this by checking for the definition of:
    PNG_FORMAT_FLAG_ALPHA    0x01 format with an alpha channel
    PNG_FORMAT_FLAG_COLOR    0x02 color format: otherwise grayscale
    PNG_FORMAT_FLAG_LINEAR   0x04 png_uint_16 channels else png_byte
-   PNG_FORMAT_FLAG_COLORMAP 0x08 libpng use only
-   PNG_FORMAT_FLAG_BGR      0x10 BGR colors, else order is RGB
-   PNG_FORMAT_FLAG_AFIRST   0x20 alpha channel comes first
+   PNG_FORMAT_FLAG_BGR      0x08 BGR colors, else order is RGB
+   PNG_FORMAT_FLAG_AFIRST   0x10 alpha channel comes first
 
 Supported formats are as follows.  Future versions of libpng may support more
 formats; for compatibility with older versions simply check if the format
@@ -4630,7 +4602,7 @@ First the single byte formats:
    PNG_FORMAT_BGRA (PNG_FORMAT_BGR|PNG_FORMAT_FLAG_ALPHA)
    PNG_FORMAT_ABGR (PNG_FORMAT_BGRA|PNG_FORMAT_FLAG_AFIRST)
 
-Then the linear 2-byte formats.  When naming these "Y" is used to
+Then the linear (png_uint_16) formats.  When naming these "Y" is used to
 indicate a luminance (gray) channel.  The component order within the pixel
 is always the same - there is no provision for swapping the order of the
 components in the linear format.
@@ -4644,85 +4616,44 @@ components in the linear format.
       (PNG_FORMAT_FLAG_LINEAR|PNG_FORMAT_FLAG_COLOR|
       PNG_FORMAT_FLAG_ALPHA)
 
-Color-mapped formats are obtained by calling png_image_{read,write}_colormap,
-as appropriate after setting png_image::format to the format of the color-map
-to be read or written.  Applications may check the value of
-PNG_FORMAT_FLAG_COLORMAP to see if they have called the colormap API.  The
-format of the color-map may be extracted using the following macro.
-
-   PNG_FORMAT_OF_COLORMAP(fmt) ((fmt) & ~PNG_FORMAT_FLAG_COLORMAP)
-
 PNG_IMAGE macros
 
-These are convenience macros to derive information from a png_image
-structure.  The PNG_IMAGE_SAMPLE_ macros return values appropriate to the
-actual image sample values - either the entries in the color-map or the
-pixels in the image.  The PNG_IMAGE_PIXEL_ macros return corresponding values
-for the pixels and will always return 1 after a call to
-png_image_{read,write}_colormap.  The remaining macros return information
-about the rows in the image and the complete image.
+These are convenience macros to derive information from a png_image structure:
 
-NOTE: All the macros that take a png_image::format parameter are compile time
-constants if the format parameter is, itself, a constant.  Therefore these
-macros can be used in array declarations and case labels where required.
-Similarly the macros are also pre-processor constants (sizeof is not used) so
-they can be used in #if tests.
-
-First the information about the samples.
-
-  PNG_IMAGE_SAMPLE_CHANNELS(fmt)
+  PNG_IMAGE_CHANNELS(fmt)
     Returns the total number of channels in a given format: 1..4
 
-  PNG_IMAGE_SAMPLE_COMPONENT_SIZE(fmt)
-    Returns the size in bytes of a single component of a pixel or color-map
-    entry (as appropriate) in the image.
-
-  PNG_IMAGE_SAMPLE_SIZE(fmt)
-    This is the size of the sample data for one sample.  If the image is
-    color-mapped it is the size of one color-map entry (and image pixels are
-    one byte in size), otherwise it is the size of one image pixel.
-
-  PNG_IMAGE_COLORMAP_SIZE(fmt)
-   The size of the color-map required by the format; this is the size of the
-   color-map buffer passed to the png_image_{read,write}_colormap APIs, it is
-   a fixed number determined by the format so can easily be allocated on the
-   stack if necessary.
-
-Corresponding information about the pixels
-
-  PNG_IMAGE_PIXEL_(test,fmt)
-
-  PNG_IMAGE_PIXEL_CHANNELS(fmt)
-   The number of separate channels (components) in a pixel; 1 for a
-   color-mapped image.
-
-  PNG_IMAGE_PIXEL_COMPONENT_SIZE(fmt)\
-   The size, in bytes, of each component in a pixel; 1 for a color-mapped
-   image.
+  PNG_IMAGE_COMPONENT_SIZE(fmt)
+    Returns the size in bytes of a single component of a pixel
+    in the image.
 
   PNG_IMAGE_PIXEL_SIZE(fmt)
-   The size, in bytes, of a complete pixel; 1 for a color-mapped image.
-
-Information about the whole row, or whole image
-
+    Returns the size in bytes of a single pixel in the image.
+   
   PNG_IMAGE_ROW_STRIDE(image)
-   Returns the total number of components in a single row of the image; this
-   is the minimum 'row stride', the minimum count of components between each
-   row.  For a color-mapped image this is the minimum number of bytes in a
-   row.
+    Returns the total number of components in a single row
+    of the image; this is the minimum 'row stride', the minimum
+    count of components between each row.
 
   PNG_IMAGE_BUFFER_SIZE(image, row_stride)
-    Returns the size, in bytes, of an image buffer given a png_image and a row
-    stride - the number of components to leave space for in each row.
+    Returns the size, in bytes, of an image buffer given
+    a png_image and a row stride - the number of components to
+    leave space for in each row.
 
-  PNG_IMAGE_FLAG_COLORSPACE_NOT_sRGB == 0x01
-    This indicates the the RGB values of the in-memory bitmap do not
-    correspond to the red, green and blue end-points defined by sRGB.
+  PNG_IMAGE_SIZE(image)
+    Returns the size, in bytes, of the image in memory given
+    just a png_image; the row stride is the minimum stride
+    required for the image.
 
-  PNG_IMAGE_FLAG_COLORMAP == 0x02
-    The PNG is color-mapped.  If this flag is set png_image_read_colormap
-    can be used without further loss of image information.  If it is not set
-    png_image_read_colormap will cause significant loss if the image has any
+PNG_IMAGE_FLAG_
+
+Flags containing additional information about the image are held
+  in the 'flags' field of png_image.
+
+   PNG_IMAGE_FLAG_COLORSPACE_NOT_sRGB
+      This indicates the the RGB values of the in-memory
+      bitmap do not correspond to the red, green and blue
+      end-points defined by sRGB.
 
 READ APIs
 
@@ -4734,6 +4665,7 @@ READ APIs
 
      The named file is opened for read and the image header
      is filled in from the PNG header in the file.
+   
 
    int png_image_begin_read_from_stdio (png_imagep image,
      FILE* file)
@@ -4750,20 +4682,20 @@ READ APIs
 
       Finish reading the image into the supplied buffer and
       clean up the png_image structure.
-
+     
       row_stride is the step, in png_byte or png_uint_16 units
       as appropriate, between adjacent rows.  A positive stride
       indicates that the top-most row is first in the buffer -
       the normal top-down arrangement.  A negative stride
       indicates that the bottom-most row is first in the buffer.
-
+     
       background need only be supplied if an alpha channel must
       be removed from a png_byte format and the removal is to be
       done by compositing on a solid color; otherwise it may be
       NULL and any composition will be done directly onto the
       buffer.  The value is an sRGB color to use for the
       background, for grayscale output the green channel is used.
-
+     
       For linear output removing the alpha channel is always done
       by compositing on black.
 
@@ -4773,10 +4705,6 @@ READ APIs
       setting the pointer to NULL.  May be called at any time
       after the structure is initialized.
 
-When the simplified API needs to convert between sRGB and linear colorspaces,
-the actual sRGB transfer curve defined in the sRGB specification (see the
-article at http://en.wikipedia.org/wiki/SRGB) is used, not the gamma=1/2.2
-approximation used elsewhere in libpng.
 
 WRITE APIS
 
@@ -4832,13 +4760,12 @@ in pngmem.c, pngrio.c, pngwio.c, and pngerror.c, respectively.  To change
 these functions, call the appropriate png_set_*_fn() function.
 
 Memory allocation is done through the functions png_malloc(), png_calloc(),
-and png_free().  The png_malloc() and png_free() functions currently just
-call the standard C functions and png_calloc() calls png_malloc() and then
-clears the newly allocated memory to zero; note that png_calloc(png_ptr, size)
-is not the same as the calloc(number, size) function provided by stdlib.h.
-There is limited support for certain systems with segmented memory
-architectures and the types of pointers declared by png.h match this; you
-will have to use appropriate pointers in your application.  Since it is
+and png_free().  These currently just call the standard C functions.
+png_calloc() calls png_malloc() and then clears the newly
+allocated memory to zero.  There is limited support for certain systems
+with segmented memory architectures and the types of pointers declared by
+png.h match this; you will have to use appropriate pointers in your
+application.  Since it is
 unlikely that the method of handling memory allocation on a platform
 will change between applications, these functions must be modified in
 the library at compile time.  If you prefer to use a different method
@@ -5069,7 +4996,7 @@ available to set these separately for non-IDAT
 compressed chunks such as zTXt, iTXt, and iCCP:
 
     #include zlib.h
-    #if PNG_LIBPNG_VER >= 10504
+    #if PNG_LIBPNG_VER <= 10504
     png_set_text_compression_level(png_ptr, level);
 
     png_set_text_compression_mem_level(png_ptr, level);
@@ -5237,17 +5164,6 @@ When PNG_DEBUG = 1, the macros are defined, but only png_debug statements
 having level = 0 will be printed.  There aren't any such statements in
 this version of libpng, but if you insert some they will be printed.
 
-.SS Prepending a prefix to exported symbols
-
-Starting with libpng-1.6.0, you can configure libpng (when using the
-"configure" script) to prefix all exported symbols by means of the
-configuration option "--with-libpng-prefix=FOO_", where FOO_ can be any
-string beginning with a letter and containing only uppercase
-and lowercase letters, digits, and the underscore (i.e., a C language
-identifier).  This creates a set of macros in pnglibconf.h, so this is
-transparent to applications; their function calls get transformed by
-the macros to use the modified names.
-
 .SH VII.  MNG support
 
 The MNG specification (available at http://www.libpng.org/pub/mng) allows
@@ -5517,9 +5433,7 @@ png_set_strip_error_numbers() was removed from the library by default.
 
 The png_zalloc() and png_zfree() functions are no longer exported.
 The png_zalloc() function no longer zeroes out the memory that it
-allocates.  Applications that called png_zalloc(png_ptr, number, size)
-can call png_calloc(png_ptr, number*size) instead, and can call
-png_free() instead of png_zfree().
+allocates.
 
 Support for dithering was disabled by default in libpng-1.4.0, because
 it has not been well tested and doesn't actually "dither".
@@ -5539,20 +5453,10 @@ We removed the trailing '.' from the warning and error messages.
 From libpng-1.4.0 until 1.4.4, the png_get_uint_16 macro (but not the
 function) incorrectly returned a value of type png_uint_32.
 
-Checking for invalid palette index on read or write was added at libpng
-1.5.10.  When an invalid index is found, libpng issues a benign error.
-This is enabled by default but can be disabled in each png_ptr with
-
-   png_set_check_for_invalid_index(png_ptr, allowed);
-
-      allowed  - one of
-                 0: disable
-                 1: enable
-
 A. Changes that affect users of libpng
 
 There are no substantial API changes between the non-deprecated parts of
-the 1.4.5 API and the 1.5.0 API; however, the ability to directly access
+the 1.4.5 API and the 1.5.0 API; however the ability to directly access
 members of the main libpng control structures, png_struct and png_info,
 deprecated in earlier versions of libpng, has been completely removed from
 libpng 1.5.
@@ -5563,12 +5467,9 @@ need access to information in zlib.h will need to add the '#include "zlib.h"'
 directive.  It does not matter whether this is placed prior to or after
 the '"#include png.h"' directive.
 
-The png_sprintf(), png_strcpy(), and png_strncpy() macros are no longer used
-and were removed.
-
-We moved the png_strlen(), png_memcpy(), png_memset(), and png_memcmp()
-macros into a private header file (pngpriv.h) that is not accessible to
-applications.
+We moved the png_strcpy(), png_strncpy(), png_strlen(), png_memcpy(),
+png_memcmp(), png_sprintf, and png_memcpy() macros into a private
+header file (pngpriv.h) that is not accessible by applications.
 
 In png_get_iCCP, the type of "profile" was changed from png_charpp
 to png_bytepp, and in png_set_iCCP, from png_charp to png_const_bytep.
@@ -5671,30 +5572,16 @@ PNG_USER_WIDTH_MAX and PNG_USER_HEIGHT_MAX, although this document said
 that it could be used to override them.  Now this function will reduce or
 increase the limits.
 
-Starting in libpng-1.5.10, the user limits can be set en masse with the
-configuration option PNG_SAFE_LIMITS_SUPPORTED.  If this option is enabled,
-a set of "safe" limits is applied in pngpriv.h.  These can be overridden by
-application calls to png_set_user_limits(), png_set_user_chunk_cache_max(),
-and/or png_set_user_malloc_max() that increase or decrease the limits.  Also,
-in libpng-1.5.10 the default width and height limits were increased
-from 1,000,000 to 0x7ffffff (i.e., made unlimited).  Therefore, the
-limits are now
-                               default      safe
-   png_user_width_max        0x7fffffff    1,000,000
-   png_user_height_max       0x7fffffff    1,000,000
-   png_user_chunk_cache_max  0 (unlimited)   128
-   png_user_chunk_malloc_max 0 (unlimited) 8,000,000
-
 B. Changes to the build and configuration of libpng
 
 Details of internal changes to the library code can be found in the CHANGES
 file and in the GIT repository logs.  These will be of no concern to the vast
-majority of library users or builders; however, the few who configure libpng
+majority of library users or builders, however the few who configure libpng
 to a non-default feature set may need to change how this is done.
 
 There should be no need for library builders to alter build scripts if
 these use the distributed build support - configure or the makefiles -
-however, users of the makefiles may care to update their build scripts
+however users of the makefiles may care to update their build scripts
 to build pnglibconf.h where the corresponding makefile does not do so.
 
 Building libpng with a non-default configuration has changed completely.
@@ -5800,7 +5687,7 @@ merely stops the function from being exported.
 PNG_FLOATING_ARITHMETIC_SUPPORTED chooses between the internal floating
 point implementation or the fixed point one.  Typically the fixed point
 implementation is larger and slower than the floating point implementation
-on a system that supports floating point; however, it may be faster on a
+on a system that supports floating point, however it may be faster on a
 system which lacks floating point hardware and therefore uses a software
 emulation.
 
@@ -5829,7 +5716,7 @@ pngconf.h no longer includes pngusr.h, therefore pngusr.h is ignored after the
 build of pnglibconf.h and it is never included in an application build.
 
 The rarely used alternative of adding a list of feature macros to the
-CFLAGS setting in the build also still works; however, the macros will be
+CFLAGS setting in the build also still works, however the macros will be
 copied to pnglibconf.h and this may produce macro redefinition warnings
 when the individual C files are compiled.
 
@@ -5856,9 +5743,6 @@ how to do this, and a case where pngusr.h is still required.
 A "simplified API" has been added (see documentation in png.h and a simple
 example in contrib/examples/pngtopng.c)
 
-Starting with libpng-1.6.0, you can configure libpng to prefix all exported
-symbols.
-
 We no longer include string.h in png.h.  The include statement has been moved
 to pngpriv.h, where it is not accessible by applications.  Applications that
 need access to information in string.h must add an '#include "string.h"'
@@ -5877,10 +5761,6 @@ The following has been removed:
      with png_get_io_chunk_type().  The new
      function returns a 32-bit integer instead of
      a string.
-   The png_sizeof(), png_strlen(), png_memcpy(), png_memcmp(), and
-     png_memset() macros are no longer used in the libpng sources and
-     have been removed.  These had already been made invisible to applications
-     since libpng-1.5.0.
 
 .SH XIII.  Detecting libpng
 
@@ -6000,20 +5880,9 @@ above the comment that says
 
   /* Maintainer: Put new private prototypes here ^ and in libpngpf.3 */
 
-We put a space after the "sizeof" operator and we omit the
-optional parentheses around its argument when the argument
-is an expression, not a type name, and we always enclose the
-sizeof operator, with its argument, in parentheses:
-
-  (sizeof (png_uint_32))
-  (sizeof array)
-
-Prior to libpng-1.6.0 we used a "png_sizeof()" macro, formatted as
-though it were a function.
-
 To avoid polluting the global namespace, the names of all exported
 functions and variables begin with  "png_", and all publicly visible C
-preprocessor macros begin with "PNG".  We request that applications that
+preprocessor macros begin with "PNG_".  We request that applications that
 use libpng *not* begin any of their own symbols with either of these strings.
 
 We put a space after each comma and after each semicolon
@@ -6032,9 +5901,6 @@ when there is only one macro being tested.
 We prefer to express integers that are used as bit masks in hex format,
 with an even number of lower-case hex digits (e.g., 0x00, 0xff, 0x0100).
 
-We prefer to use underscores in variable names rather than camelCase, except
-for a few type names that we inherit from zlib.h.
-
 We do not use the TAB character for indentation in the C sources.
 
 Lines do not exceed 80 characters.
@@ -6043,25 +5909,25 @@ Other rules can be inferred by inspecting the libpng source.
 
 .SH XVI. Y2K Compliance in libpng
 
-August 29, 2012
+February 3, 2012
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
 
 This is your unofficial assurance that libpng from version 0.71 and
-upward through 1.6.0beta28 are Y2K compliant.  It is my belief that earlier
+upward through 1.6.0beta05 are Y2K compliant.  It is my belief that earlier
 versions were also Y2K compliant.
 
-Libpng only has two year fields.  One is a 2-byte unsigned integer
-that will hold years up to 65535.  The other, which is deprecated,
-holds the date in text format, and will hold years up to 9999.
+Libpng only has three year fields.  One is a 2-byte unsigned integer that
+will hold years up to 65535.  The other two hold the date in text
+format, and will hold years up to 9999.
 
 The integer is
     "png_uint_16 year" in png_time_struct.
 
-The string is
-    "char time_buffer[29]" in png_struct.  This is no longer used
-in libpng-1.6.x and will be removed from libpng-1.7.0.
+The strings are
+    "png_charp time_buffer" in png_struct and
+    "near_time_buffer", which is a local character string in png.c.
 
 There are seven time-related functions:
 
@@ -6254,7 +6120,7 @@ the first widely used release:
  1.5.7beta01-05      15    10507  15.so.15.7[.0]
  1.5.7rc01-03        15    10507  15.so.15.7[.0]
  1.5.7               15    10507  15.so.15.7[.0]
- 1.6.0beta01-28      16    10600  16.so.16.0[.0]
+ 1.6.0beta01-05      16    10600  16.so.16.0[.0]
 
 Henceforth the source version will match the shared-library minor
 and patch numbers; the shared-library major version number will be
@@ -6311,7 +6177,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.6.0beta28 - August 29, 2012:
+Libpng version 1.6.0beta05 - February 3, 2012:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -6334,7 +6200,7 @@ this sentence.
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.6.0beta28, August 29, 2012, are
+libpng versions 1.2.6, August 15, 2004, through 1.6.0beta05, February 3, 2012, are
 Copyright (c) 2004,2006-2007 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.2.5
 with the following individual added to the list of Contributing Authors
@@ -6433,7 +6299,7 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-August 29, 2012
+February 3, 2012
 
 .\" end of man page
 

libpngpf.3

@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "August 29, 2012"
+.TH LIBPNGPF 3 "February 3, 2012"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.6.0beta28
+libpng \- Portable Network Graphics (PNG) Reference Library 1.6.0beta05
 (private functions)
 .SH SYNOPSIS
 \fB#include \fI"pngpriv.h"

png.5

@@ -1,4 +1,4 @@
-.TH PNG 5 "August 29, 2012"
+.TH PNG 5 "February 3, 2012"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION

pngconf.h

@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.6.0beta28 - August 29, 2012
+ * libpng version 1.6.0beta05 - February 3, 2012
  *
  * Copyright (c) 1998-2012 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -22,26 +22,6 @@
 #ifndef PNGCONF_H
 #define PNGCONF_H
 
-/* To do: Do all of this in scripts/pnglibconf.dfa */
-#ifdef PNG_SAFE_LIMITS_SUPPORTED
-#  ifdef PNG_USER_WIDTH_MAX
-#    undef PNG_USER_WIDTH_MAX
-#    define PNG_USER_WIDTH_MAX 1000000L
-#  endif
-#  ifdef PNG_USER_HEIGHT_MAX
-#    undef PNG_USER_HEIGHT_MAX
-#    define PNG_USER_HEIGHT_MAX 1000000L
-#  endif
-#  ifdef PNG_USER_CHUNK_MALLOC_MAX
-#    undef PNG_USER_CHUNK_MALLOC_MAX
-#    define PNG_USER_CHUNK_MALLOC_MAX 4000000L
-#  endif
-#  ifdef PNG_USER_CHUNK_CACHE_MAX
-#    undef PNG_USER_CHUNK_CACHE_MAX
-#    define PNG_USER_CHUNK_CACHE_MAX 128
-#  endif
-#endif
-
 #ifndef PNG_BUILDING_SYMBOL_TABLE /* else includes may cause problems */
 
 /* From libpng 1.6.0 libpng requires an ANSI X3.159-1989 ("ISOC90") compliant C
@@ -87,8 +67,8 @@
 
 /* This controls optimization of the reading of 16 and 32 bit values
  * from PNG files.  It can be set on a per-app-file basis - it
- * just changes whether a macro is used when the function is called.
- * The library builder sets the default; if read functions are not
+ * just changes whether a macro is used to the function is called.
+ * The library builder sets the default, if read functions are not
  * built into the library the macro implementation is forced on.
  */
 #ifndef PNG_READ_INT_FUNCTIONS_SUPPORTED
@@ -366,28 +346,24 @@
 #    ifndef PNG_NORETURN
 #      define PNG_NORETURN   __attribute__((__noreturn__))
 #    endif
-#    if __GNUC__ >= 3
-#      ifndef PNG_ALLOCATED
-#        define PNG_ALLOCATED  __attribute__((__malloc__))
+#    ifndef PNG_ALLOCATED
+#      define PNG_ALLOCATED  __attribute__((__malloc__))
+#    endif
+#    ifndef PNG_DEPRECATED
+#      define PNG_DEPRECATED __attribute__((__deprecated__))
+#    endif
+#    ifndef PNG_PRIVATE
+#      if 0 /* Doesn't work so we use deprecated instead*/
+#        define PNG_PRIVATE \
+          __attribute__((warning("This function is not exported by libpng.")))
+#      else
+#        define PNG_PRIVATE \
+          __attribute__((__deprecated__))
 #      endif
-#      ifndef PNG_DEPRECATED
-#        define PNG_DEPRECATED __attribute__((__deprecated__))
-#      endif
-#      ifndef PNG_PRIVATE
-#        if 0 /* Doesn't work so we use deprecated instead*/
-#          define PNG_PRIVATE \
-            __attribute__((warning("This function is not exported by libpng.")))
-#        else
-#          define PNG_PRIVATE \
-            __attribute__((__deprecated__))
-#        endif
-#      endif
-#      if ((__GNUC__ != 3) || !defined(__GNUC_MINOR__) || (__GNUC_MINOR__ >= 1))
-#        ifndef PNG_RESTRICT
-#          define PNG_RESTRICT __restrict
-#        endif
-#      endif /*  __GNUC__ == 3.0 */
-#    endif /*  __GNUC__ >= 3 */
+#    endif
+#    ifndef PNG_RESTRICT
+#      define PNG_RESTRICT __restrict
+#    endif
 
 #  elif defined(_MSC_VER)  && (_MSC_VER >= 1300)
 #    ifndef PNG_USE_RESULT
@@ -435,13 +411,10 @@
 #ifndef PNG_PRIVATE
 #  define PNG_PRIVATE     /* This is a private libpng function */
 #endif
-#ifndef PNG_RESTRICT
-#  define PNG_RESTRICT    /* The C99 "restrict" feature */
-#endif
 #ifndef PNG_FP_EXPORT     /* A floating point API. */
 #  ifdef PNG_FLOATING_POINT_SUPPORTED
 #     define PNG_FP_EXPORT(ordinal, type, name, args)\
-         PNG_EXPORT(ordinal, type, name, args);
+         PNG_EXPORT(ordinal, type, name, args)
 #  else                   /* No floating point APIs */
 #     define PNG_FP_EXPORT(ordinal, type, name, args)
 #  endif
@@ -449,7 +422,7 @@
 #ifndef PNG_FIXED_EXPORT  /* A fixed point API. */
 #  ifdef PNG_FIXED_POINT_SUPPORTED
 #     define PNG_FIXED_EXPORT(ordinal, type, name, args)\
-         PNG_EXPORT(ordinal, type, name, args);
+         PNG_EXPORT(ordinal, type, name, args)
 #  else                   /* No fixed point APIs */
 #     define PNG_FIXED_EXPORT(ordinal, type, name, args)
 #  endif
@@ -492,9 +465,9 @@
 #  error "libpng requires an unsigned 16 bit type"
 #endif
 
-#if INT_MIN < -2147483646 && INT_MAX > 2147483646
+#if INT_MIN < -2147483646 && INT_MAX > 2147483646 
    typedef int png_int_32;
-#elif LONG_MIN < -2147483646 && LONG_MAX > 2147483646
+#elif LONG_MIN < -2147483646 && LONG_MAX > 2147483646 
    typedef long int png_int_32;
 #else
 #  error "libpng requires a signed 32 bit (or more) type"
@@ -540,7 +513,7 @@ typedef ptrdiff_t png_ptrdiff_t;
  * png_uint_32) should be explicitly applied; however, we do not expect to
  * encounter practical situations that require such conversions.
  *
- * PNG_SMALL_SIZE_T must be defined if the maximum value of size_t is less than
+ * PNG_SMALL_SIZE_T must be defined if the maximum value of size_t is less than 
  * 4294967295 - i.e. less than the maximum value of png_uint_32.
  */
 #ifdef PNG_SMALL_SIZE_T
@@ -549,6 +522,12 @@ typedef ptrdiff_t png_ptrdiff_t;
    typedef png_size_t png_alloc_size_t;
 #endif
 
+/* This macro makes the sizeof operator look and behave like a function, except
+ * that it can take a type without the enclosing () as an argument so long as
+ * the type contains no "," characters.
+ */
+#define png_sizeof(x) (sizeof (x))
+
 /* Prior to 1.6.0 libpng offered limited support for Microsoft C compiler
  * implementations of Intel CPU specific support of user-mode segmented address
  * spaces, where 16-bit pointers address more than 65536 bytes of memory using

pngerror.c

@@ -80,8 +80,7 @@ png_error,(png_const_structrp png_ptr, png_const_charp error_message),
    }
 #endif
    if (png_ptr != NULL && png_ptr->error_fn != NULL)
-      (*(png_ptr->error_fn))(png_constcast(png_structrp,png_ptr),
-          error_message);
+      (*(png_ptr->error_fn))(png_constcast(png_structrp,png_ptr), error_message);
 
    /* If the custom handler doesn't exist, or if it returns,
       use the default handler, which will not return. */
@@ -284,13 +283,11 @@ void
 png_formatted_warning(png_const_structrp png_ptr, png_warning_parameters p,
    png_const_charp message)
 {
-   /* The internal buffer is just 192 bytes - enough for all our messages,
-    * overflow doesn't happen because this code checks!  If someone figures
-    * out how to send us a message longer than 192 bytes, all that will
-    * happen is that the message will be truncated appropriately.
+   /* The internal buffer is just 128 bytes - enough for all our messages,
+    * overflow doesn't happen because this code checks!
     */
    size_t i = 0; /* Index in the msg[] buffer: */
-   char msg[192];
+   char msg[128];
 
    /* Each iteration through the following loop writes at most one character
     * to msg[i++] then returns here to validate that there is still space for
@@ -361,47 +358,12 @@ png_formatted_warning(png_const_structrp png_ptr, png_warning_parameters p,
 void PNGAPI
 png_benign_error(png_const_structrp png_ptr, png_const_charp error_message)
 {
-   if (png_ptr->flags & PNG_FLAG_BENIGN_ERRORS_WARN)
-   {
-#     ifdef PNG_READ_SUPPORTED
-         if ((png_ptr->mode & PNG_IS_READ_STRUCT) != 0 &&
-            png_ptr->chunk_name != 0)
-            png_chunk_warning(png_ptr, error_message);
-         else
-#     endif
-      png_warning(png_ptr, error_message);
-   }
-
-   else
-   {
-#     ifdef PNG_READ_SUPPORTED
-         if ((png_ptr->mode & PNG_IS_READ_STRUCT) != 0 &&
-            png_ptr->chunk_name != 0)
-            png_chunk_error(png_ptr, error_message);
-         else
-#     endif
-      png_error(png_ptr, error_message);
-   }
-}
-
-void /* PRIVATE */
-png_app_warning(png_const_structrp png_ptr, png_const_charp error_message)
-{
-  if (png_ptr->flags & PNG_FLAG_APP_WARNINGS_WARN)
+  if (png_ptr->flags & PNG_FLAG_BENIGN_ERRORS_WARN)
      png_warning(png_ptr, error_message);
   else
      png_error(png_ptr, error_message);
 }
-
-void /* PRIVATE */
-png_app_error(png_const_structrp png_ptr, png_const_charp error_message)
-{
-  if (png_ptr->flags & PNG_FLAG_APP_ERRORS_WARN)
-     png_warning(png_ptr, error_message);
-  else
-     png_error(png_ptr, error_message);
-}
-#endif /* BENIGN_ERRORS */
+#endif
 
 /* These utilities are used internally to build an error message that relates
  * to the current chunk.  The chunk name comes from png_ptr->chunk_name,
@@ -415,7 +377,7 @@ static PNG_CONST char png_digit[16] = {
    'A', 'B', 'C', 'D', 'E', 'F'
 };
 
-#define PNG_MAX_ERROR_TEXT 196 /* Currently limited be profile_error in png.c */
+#define PNG_MAX_ERROR_TEXT 64
 #if defined(PNG_WARNINGS_SUPPORTED) || defined(PNG_ERROR_TEXT_SUPPORTED)
 static void /* PRIVATE */
 png_format_buffer(png_const_structrp png_ptr, png_charp buffer, png_const_charp
@@ -498,8 +460,7 @@ png_chunk_warning(png_const_structrp png_ptr, png_const_charp warning_message)
 #ifdef PNG_READ_SUPPORTED
 #ifdef PNG_BENIGN_ERRORS_SUPPORTED
 void PNGAPI
-png_chunk_benign_error(png_const_structrp png_ptr, png_const_charp
-    error_message)
+png_chunk_benign_error(png_const_structrp png_ptr, png_const_charp error_message)
 {
    if (png_ptr->flags & PNG_FLAG_BENIGN_ERRORS_WARN)
       png_chunk_warning(png_ptr, error_message);
@@ -519,7 +480,7 @@ png_fixed_error,(png_const_structrp png_ptr, png_const_charp name),PNG_NORETURN)
 #  define fixed_message_ln ((sizeof fixed_message)-1)
    int  iin;
    char msg[fixed_message_ln+PNG_MAX_ERROR_TEXT];
-   memcpy(msg, fixed_message, fixed_message_ln);
+   png_memcpy(msg, fixed_message, fixed_message_ln);
    iin = 0;
    if (name != NULL) while (iin < (PNG_MAX_ERROR_TEXT-1) && name[iin] != 0)
    {
@@ -557,7 +518,7 @@ png_set_longjmp_fn(png_structrp png_ptr, png_longjmp_ptr longjmp_fn,
    {
       png_ptr->jmp_buf_size = 0; /* not allocated */
 
-      if (jmp_buf_size <= (sizeof png_ptr->jmp_buf_local))
+      if (jmp_buf_size <= sizeof png_ptr->jmp_buf_local)
          png_ptr->jmp_buf_ptr = &png_ptr->jmp_buf_local;
 
       else
@@ -578,7 +539,7 @@ png_set_longjmp_fn(png_structrp png_ptr, png_longjmp_ptr longjmp_fn,
 
       if (size == 0)
       {
-         size = (sizeof png_ptr->jmp_buf_local);
+         size = sizeof png_ptr->jmp_buf_local;
          if (png_ptr->jmp_buf_ptr != &png_ptr->jmp_buf_local)
          {
             /* This is an internal error in libpng: somehow we have been left
@@ -827,8 +788,8 @@ png_safe_error,(png_structp png_nonconst_ptr, png_const_charp error_message),
     */
    if (image != NULL)
    {
-      png_safecat(image->message, (sizeof image->message), 0, error_message);
-      image->warning_or_error |= PNG_IMAGE_ERROR;
+      png_safecat(image->message, sizeof image->message, 0, error_message);
+      image->warning_or_error = 1;
 
       /* Retrieve the jmp_buf from within the png_control, making this work for
        * C++ compilation too is pretty tricky: C++ wants a pointer to the first
@@ -839,10 +800,9 @@ png_safe_error,(png_structp png_nonconst_ptr, png_const_charp error_message),
 
       /* Missing longjmp buffer, the following is to help debugging: */
       {
-         size_t pos = png_safecat(image->message, (sizeof image->message), 0,
+         size_t pos = png_safecat(image->message, sizeof image->message, 0,
             "bad longjmp: ");
-         png_safecat(image->message, (sizeof image->message), pos,
-             error_message);
+         png_safecat(image->message, sizeof image->message, pos, error_message);
       }
    }
 
@@ -860,16 +820,16 @@ png_safe_warning(png_structp png_nonconst_ptr, png_const_charp warning_message)
    /* A warning is only logged if there is no prior warning or error. */
    if (image->warning_or_error == 0)
    {
-      png_safecat(image->message, (sizeof image->message), 0, warning_message);
-      image->warning_or_error |= PNG_IMAGE_WARNING;
+      png_safecat(image->message, sizeof image->message, 0, warning_message);
+      image->warning_or_error = 2;
    }
 }
 #endif
 
 int /* PRIVATE */
-png_safe_execute(png_imagep image_in, int (*function)(png_voidp), png_voidp arg)
+png_safe_execute(png_imagep imageIn, int (*function)(png_voidp), png_voidp arg)
 {
-   volatile png_imagep image = image_in;
+   volatile png_imagep image = imageIn;
    volatile int result;
    volatile png_voidp saved_error_buf;
    jmp_buf safe_jmpbuf;

pngget.c

@@ -112,8 +112,7 @@ png_get_compression_type(png_const_structrp png_ptr, png_const_inforp info_ptr)
 }
 
 png_uint_32 PNGAPI
-png_get_x_pixels_per_meter(png_const_structrp png_ptr, png_const_inforp
-   info_ptr)
+png_get_x_pixels_per_meter(png_const_structrp png_ptr, png_const_inforp info_ptr)
 {
 #ifdef PNG_pHYs_SUPPORTED
    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_pHYs))
@@ -130,8 +129,7 @@ png_get_x_pixels_per_meter(png_const_structrp png_ptr, png_const_inforp
 }
 
 png_uint_32 PNGAPI
-png_get_y_pixels_per_meter(png_const_structrp png_ptr, png_const_inforp
-    info_ptr)
+png_get_y_pixels_per_meter(png_const_structrp png_ptr, png_const_inforp info_ptr)
 {
 #ifdef PNG_pHYs_SUPPORTED
    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_pHYs))
@@ -166,8 +164,7 @@ png_get_pixels_per_meter(png_const_structrp png_ptr, png_const_inforp info_ptr)
 
 #ifdef PNG_FLOATING_POINT_SUPPORTED
 float PNGAPI
-png_get_pixel_aspect_ratio(png_const_structrp png_ptr, png_const_inforp
-   info_ptr)
+png_get_pixel_aspect_ratio(png_const_structrp png_ptr, png_const_inforp info_ptr)
 {
 #ifdef PNG_READ_pHYs_SUPPORTED
    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_pHYs))
@@ -178,9 +175,6 @@ png_get_pixel_aspect_ratio(png_const_structrp png_ptr, png_const_inforp
          return ((float)((float)info_ptr->y_pixels_per_unit
              /(float)info_ptr->x_pixels_per_unit));
    }
-#else
-   PNG_UNUSED(png_ptr)
-   PNG_UNUSED(info_ptr)
 #endif
 
    return ((float)0.0);
@@ -209,9 +203,6 @@ png_get_pixel_aspect_ratio_fixed(png_const_structrp png_ptr,
           (png_int_32)info_ptr->x_pixels_per_unit))
          return res;
    }
-#else
-   PNG_UNUSED(png_ptr)
-   PNG_UNUSED(info_ptr)
 #endif
 
    return 0;
@@ -431,7 +422,6 @@ png_get_pHYs_dpi(png_const_structrp png_ptr, png_const_inforp info_ptr,
 
 #endif  /* PNG_EASY_ACCESS_SUPPORTED */
 
-
 png_byte PNGAPI
 png_get_channels(png_const_structrp png_ptr, png_const_inforp info_ptr)
 {
@@ -441,7 +431,6 @@ png_get_channels(png_const_structrp png_ptr, png_const_inforp info_ptr)
    return (0);
 }
 
-#ifdef PNG_READ_SUPPORTED
 png_const_bytep PNGAPI
 png_get_signature(png_const_structrp png_ptr, png_const_inforp info_ptr)
 {
@@ -450,7 +439,6 @@ png_get_signature(png_const_structrp png_ptr, png_const_inforp info_ptr)
 
    return (NULL);
 }
-#endif
 
 #ifdef PNG_bKGD_SUPPORTED
 png_uint_32 PNGAPI
@@ -475,47 +463,87 @@ png_get_bKGD(png_const_structrp png_ptr, png_inforp info_ptr,
  * same time to correct the rgb grayscale coefficient defaults obtained from the
  * cHRM chunk in 1.5.4
  */
+png_uint_32 PNGFAPI
+png_get_cHRM_XYZ_fixed(png_const_structrp png_ptr, png_const_inforp info_ptr,
+    png_fixed_point *int_red_X, png_fixed_point *int_red_Y,
+    png_fixed_point *int_red_Z, png_fixed_point *int_green_X,
+    png_fixed_point *int_green_Y, png_fixed_point *int_green_Z,
+    png_fixed_point *int_blue_X, png_fixed_point *int_blue_Y,
+    png_fixed_point *int_blue_Z)
+{
+   if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM))
+   {
+      png_xy xy;
+      png_XYZ XYZ;
+
+      png_debug1(1, "in %s retrieval function", "cHRM_XYZ");
+
+      xy.whitex = info_ptr->x_white;
+      xy.whitey = info_ptr->y_white;
+      xy.redx = info_ptr->x_red;
+      xy.redy = info_ptr->y_red;
+      xy.greenx = info_ptr->x_green;
+      xy.greeny = info_ptr->y_green;
+      xy.bluex = info_ptr->x_blue;
+      xy.bluey = info_ptr->y_blue;
+
+      /* The *_checked function handles error reporting, so just return 0 if
+       * there is a failure here.
+       */
+      if (png_XYZ_from_xy_checked(png_ptr, &XYZ, xy))
+      {
+         if (int_red_X != NULL)
+            *int_red_X = XYZ.redX;
+         if (int_red_Y != NULL)
+            *int_red_Y = XYZ.redY;
+         if (int_red_Z != NULL)
+            *int_red_Z = XYZ.redZ;
+         if (int_green_X != NULL)
+            *int_green_X = XYZ.greenX;
+         if (int_green_Y != NULL)
+            *int_green_Y = XYZ.greenY;
+         if (int_green_Z != NULL)
+            *int_green_Z = XYZ.greenZ;
+         if (int_blue_X != NULL)
+            *int_blue_X = XYZ.blueX;
+         if (int_blue_Y != NULL)
+            *int_blue_Y = XYZ.blueY;
+         if (int_blue_Z != NULL)
+            *int_blue_Z = XYZ.blueZ;
+
+         return (PNG_INFO_cHRM);
+      }
+   }
+
+   return (0);
+}
+
 #  ifdef PNG_FLOATING_POINT_SUPPORTED
 png_uint_32 PNGAPI
 png_get_cHRM(png_const_structrp png_ptr, png_const_inforp info_ptr,
     double *white_x, double *white_y, double *red_x, double *red_y,
     double *green_x, double *green_y, double *blue_x, double *blue_y)
 {
-   /* Quiet API change: this code used to only return the end points if a cHRM
-    * chunk was present, but the end points can also come from iCCP or sRGB
-    * chunks, so in 1.6.0 the png_get_ APIs return the end points regardless and
-    * the png_set_ APIs merely check that set end points are mutually
-    * consistent.
-    */
-   if (png_ptr != NULL && info_ptr != NULL &&
-      (info_ptr->colorspace.flags & PNG_COLORSPACE_HAVE_ENDPOINTS))
+   if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM))
    {
       png_debug1(1, "in %s retrieval function", "cHRM");
 
       if (white_x != NULL)
-         *white_x = png_float(png_ptr,
-            info_ptr->colorspace.end_points_xy.whitex, "cHRM white X");
+         *white_x = png_float(png_ptr, info_ptr->x_white, "cHRM white X");
       if (white_y != NULL)
-         *white_y = png_float(png_ptr,
-            info_ptr->colorspace.end_points_xy.whitey, "cHRM white Y");
+         *white_y = png_float(png_ptr, info_ptr->y_white, "cHRM white Y");
       if (red_x != NULL)
-         *red_x = png_float(png_ptr, info_ptr->colorspace.end_points_xy.redx,
-            "cHRM red X");
+         *red_x = png_float(png_ptr, info_ptr->x_red, "cHRM red X");
       if (red_y != NULL)
-         *red_y = png_float(png_ptr, info_ptr->colorspace.end_points_xy.redy,
-            "cHRM red Y");
+         *red_y = png_float(png_ptr, info_ptr->y_red, "cHRM red Y");
       if (green_x != NULL)
-         *green_x = png_float(png_ptr,
-            info_ptr->colorspace.end_points_xy.greenx, "cHRM green X");
+         *green_x = png_float(png_ptr, info_ptr->x_green, "cHRM green X");
       if (green_y != NULL)
-         *green_y = png_float(png_ptr,
-            info_ptr->colorspace.end_points_xy.greeny, "cHRM green Y");
+         *green_y = png_float(png_ptr, info_ptr->y_green, "cHRM green Y");
       if (blue_x != NULL)
-         *blue_x = png_float(png_ptr, info_ptr->colorspace.end_points_xy.bluex,
-            "cHRM blue X");
+         *blue_x = png_float(png_ptr, info_ptr->x_blue, "cHRM blue X");
       if (blue_y != NULL)
-         *blue_y = png_float(png_ptr, info_ptr->colorspace.end_points_xy.bluey,
-            "cHRM blue Y");
+         *blue_y = png_float(png_ptr, info_ptr->y_blue, "cHRM blue Y");
       return (PNG_INFO_cHRM);
    }
 
@@ -528,38 +556,30 @@ png_get_cHRM_XYZ(png_const_structrp png_ptr, png_const_inforp info_ptr,
    double *green_Y, double *green_Z, double *blue_X, double *blue_Y,
    double *blue_Z)
 {
-   if (png_ptr != NULL && info_ptr != NULL &&
-      (info_ptr->colorspace.flags & PNG_COLORSPACE_HAVE_ENDPOINTS))
-   {
-      png_debug1(1, "in %s retrieval function", "cHRM_XYZ(float)");
+   png_XYZ XYZ;
 
+   if (png_get_cHRM_XYZ_fixed(png_ptr, info_ptr,
+      &XYZ.redX, &XYZ.redY, &XYZ.redZ, &XYZ.greenX, &XYZ.greenY, &XYZ.greenZ,
+      &XYZ.blueX, &XYZ.blueY, &XYZ.blueZ) & PNG_INFO_cHRM)
+   {
       if (red_X != NULL)
-         *red_X = png_float(png_ptr, info_ptr->colorspace.end_points_XYZ.red_X,
-            "cHRM red X");
+         *red_X = png_float(png_ptr, XYZ.redX, "cHRM red X");
       if (red_Y != NULL)
-         *red_Y = png_float(png_ptr, info_ptr->colorspace.end_points_XYZ.red_Y,
-            "cHRM red Y");
+         *red_Y = png_float(png_ptr, XYZ.redY, "cHRM red Y");
       if (red_Z != NULL)
-         *red_Z = png_float(png_ptr, info_ptr->colorspace.end_points_XYZ.red_Z,
-            "cHRM red Z");
+         *red_Z = png_float(png_ptr, XYZ.redZ, "cHRM red Z");
       if (green_X != NULL)
-         *green_X = png_float(png_ptr,
-            info_ptr->colorspace.end_points_XYZ.green_X, "cHRM green X");
+         *green_X = png_float(png_ptr, XYZ.greenX, "cHRM green X");
       if (green_Y != NULL)
-         *green_Y = png_float(png_ptr,
-            info_ptr->colorspace.end_points_XYZ.green_Y, "cHRM green Y");
+         *green_Y = png_float(png_ptr, XYZ.greenY, "cHRM green Y");
       if (green_Z != NULL)
-         *green_Z = png_float(png_ptr,
-            info_ptr->colorspace.end_points_XYZ.green_Z, "cHRM green Z");
+         *green_Z = png_float(png_ptr, XYZ.greenZ, "cHRM green Z");
       if (blue_X != NULL)
-         *blue_X = png_float(png_ptr, info_ptr->colorspace.end_points_XYZ.blue_X,
-            "cHRM blue X");
+         *blue_X = png_float(png_ptr, XYZ.blueX, "cHRM blue X");
       if (blue_Y != NULL)
-         *blue_Y = png_float(png_ptr, info_ptr->colorspace.end_points_XYZ.blue_Y,
-            "cHRM blue Y");
+         *blue_Y = png_float(png_ptr, XYZ.blueY, "cHRM blue Y");
       if (blue_Z != NULL)
-         *blue_Z = png_float(png_ptr, info_ptr->colorspace.end_points_XYZ.blue_Z,
-            "cHRM blue Z");
+         *blue_Z = png_float(png_ptr, XYZ.blueZ, "cHRM blue Z");
       return (PNG_INFO_cHRM);
    }
 
@@ -568,43 +588,6 @@ png_get_cHRM_XYZ(png_const_structrp png_ptr, png_const_inforp info_ptr,
 #  endif
 
 #  ifdef PNG_FIXED_POINT_SUPPORTED
-png_uint_32 PNGAPI
-png_get_cHRM_XYZ_fixed(png_const_structrp png_ptr, png_const_inforp info_ptr,
-    png_fixed_point *int_red_X, png_fixed_point *int_red_Y,
-    png_fixed_point *int_red_Z, png_fixed_point *int_green_X,
-    png_fixed_point *int_green_Y, png_fixed_point *int_green_Z,
-    png_fixed_point *int_blue_X, png_fixed_point *int_blue_Y,
-    png_fixed_point *int_blue_Z)
-{
-   if (png_ptr != NULL && info_ptr != NULL &&
-      (info_ptr->colorspace.flags & PNG_COLORSPACE_HAVE_ENDPOINTS))
-   {
-      png_debug1(1, "in %s retrieval function", "cHRM_XYZ");
-
-      if (int_red_X != NULL)
-         *int_red_X = info_ptr->colorspace.end_points_XYZ.red_X;
-      if (int_red_Y != NULL)
-         *int_red_Y = info_ptr->colorspace.end_points_XYZ.red_Y;
-      if (int_red_Z != NULL)
-         *int_red_Z = info_ptr->colorspace.end_points_XYZ.red_Z;
-      if (int_green_X != NULL)
-         *int_green_X = info_ptr->colorspace.end_points_XYZ.green_X;
-      if (int_green_Y != NULL)
-         *int_green_Y = info_ptr->colorspace.end_points_XYZ.green_Y;
-      if (int_green_Z != NULL)
-         *int_green_Z = info_ptr->colorspace.end_points_XYZ.green_Z;
-      if (int_blue_X != NULL)
-         *int_blue_X = info_ptr->colorspace.end_points_XYZ.blue_X;
-      if (int_blue_Y != NULL)
-         *int_blue_Y = info_ptr->colorspace.end_points_XYZ.blue_Y;
-      if (int_blue_Z != NULL)
-         *int_blue_Z = info_ptr->colorspace.end_points_XYZ.blue_Z;
-      return (PNG_INFO_cHRM);
-   }
-
-   return (0);
-}
-
 png_uint_32 PNGAPI
 png_get_cHRM_fixed(png_const_structrp png_ptr, png_const_inforp info_ptr,
     png_fixed_point *white_x, png_fixed_point *white_y, png_fixed_point *red_x,
@@ -613,25 +596,24 @@ png_get_cHRM_fixed(png_const_structrp png_ptr, png_const_inforp info_ptr,
 {
    png_debug1(1, "in %s retrieval function", "cHRM");
 
-   if (png_ptr != NULL && info_ptr != NULL &&
-      (info_ptr->colorspace.flags & PNG_COLORSPACE_HAVE_ENDPOINTS))
+   if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM))
    {
       if (white_x != NULL)
-         *white_x = info_ptr->colorspace.end_points_xy.whitex;
+         *white_x = info_ptr->x_white;
       if (white_y != NULL)
-         *white_y = info_ptr->colorspace.end_points_xy.whitey;
+         *white_y = info_ptr->y_white;
       if (red_x != NULL)
-         *red_x = info_ptr->colorspace.end_points_xy.redx;
+         *red_x = info_ptr->x_red;
       if (red_y != NULL)
-         *red_y = info_ptr->colorspace.end_points_xy.redy;
+         *red_y = info_ptr->y_red;
       if (green_x != NULL)
-         *green_x = info_ptr->colorspace.end_points_xy.greenx;
+         *green_x = info_ptr->x_green;
       if (green_y != NULL)
-         *green_y = info_ptr->colorspace.end_points_xy.greeny;
+         *green_y = info_ptr->y_green;
       if (blue_x != NULL)
-         *blue_x = info_ptr->colorspace.end_points_xy.bluex;
+         *blue_x = info_ptr->x_blue;
       if (blue_y != NULL)
-         *blue_y = info_ptr->colorspace.end_points_xy.bluey;
+         *blue_y = info_ptr->y_blue;
       return (PNG_INFO_cHRM);
    }
 
@@ -641,43 +623,35 @@ png_get_cHRM_fixed(png_const_structrp png_ptr, png_const_inforp info_ptr,
 #endif
 
 #ifdef PNG_gAMA_SUPPORTED
-#  ifdef PNG_FIXED_POINT_SUPPORTED
-png_uint_32 PNGAPI
+png_uint_32 PNGFAPI
 png_get_gAMA_fixed(png_const_structrp png_ptr, png_const_inforp info_ptr,
     png_fixed_point *file_gamma)
 {
    png_debug1(1, "in %s retrieval function", "gAMA");
 
-   if (png_ptr != NULL && info_ptr != NULL &&
-      (info_ptr->colorspace.flags & PNG_COLORSPACE_HAVE_GAMMA) &&
-      file_gamma != NULL)
+   if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA)
+       && file_gamma != NULL)
    {
-      *file_gamma = info_ptr->colorspace.gamma;
+      *file_gamma = info_ptr->gamma;
       return (PNG_INFO_gAMA);
    }
 
    return (0);
 }
-#  endif
-
 #  ifdef PNG_FLOATING_POINT_SUPPORTED
 png_uint_32 PNGAPI
 png_get_gAMA(png_const_structrp png_ptr, png_const_inforp info_ptr,
     double *file_gamma)
 {
-   png_debug1(1, "in %s retrieval function", "gAMA(float)");
+   png_fixed_point igamma;
+   png_uint_32 ok = png_get_gAMA_fixed(png_ptr, info_ptr, &igamma);
 
-   if (png_ptr != NULL && info_ptr != NULL &&
-      (info_ptr->colorspace.flags & PNG_COLORSPACE_HAVE_GAMMA) &&
-      file_gamma != NULL)
-   {
-      *file_gamma = png_float(png_ptr, info_ptr->colorspace.gamma,
-         "png_get_gAMA");
-      return (PNG_INFO_gAMA);
-   }
+   if (ok)
+      *file_gamma = png_float(png_ptr, igamma, "png_get_gAMA");
 
-   return (0);
+   return ok;
 }
+
 #  endif
 #endif
 
@@ -691,7 +665,7 @@ png_get_sRGB(png_const_structrp png_ptr, png_const_inforp info_ptr,
    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_sRGB)
        && file_srgb_intent != NULL)
    {
-      *file_srgb_intent = info_ptr->colorspace.rendering_intent;
+      *file_srgb_intent = (int)info_ptr->srgb_intent;
       return (PNG_INFO_sRGB);
    }
 
@@ -713,11 +687,11 @@ png_get_iCCP(png_const_structrp png_ptr, png_const_inforp info_ptr,
    {
       *name = info_ptr->iccp_name;
       *profile = info_ptr->iccp_profile;
-      *proflen = png_get_uint_32(info_ptr->iccp_profile);
-      /* This is somewhat irrelevant since the profile data returned has
-       * actually been uncompressed.
+      /* Compression_type is a dummy so the API won't have to change
+       * if we introduce multiple compression types later.
        */
-      *compression_type = PNG_COMPRESSION_TYPE_BASE;
+      *proflen = info_ptr->iccp_proflen;
+      *compression_type = info_ptr->iccp_compression;
       return (PNG_INFO_iCCP);
    }
 
@@ -1062,7 +1036,7 @@ png_get_tRNS(png_const_structrp png_ptr, png_inforp info_ptr,
 }
 #endif
 
-#ifdef PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED
+#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
 int PNGAPI
 png_get_unknown_chunks(png_const_structrp png_ptr, png_const_inforp info_ptr,
     png_unknown_chunkpp unknowns)
@@ -1096,24 +1070,7 @@ png_get_user_chunk_ptr(png_const_structrp png_ptr)
 png_size_t PNGAPI
 png_get_compression_buffer_size(png_const_structrp png_ptr)
 {
-   if (png_ptr == NULL)
-      return 0;
-
-#  ifdef PNG_WRITE_SUPPORTED
-      if (png_ptr->mode & PNG_IS_READ_STRUCT)
-#  endif
-   {
-#     ifdef PNG_SEQUENTIAL_READ_SUPPORTED
-         return png_ptr->IDAT_read_size;
-#     else
-         return PNG_IDAT_READ_SIZE;
-#     endif
-   }
-
-#  ifdef PNG_WRITE_SUPPORTED
-      else
-         return png_ptr->zbuffer_size;
-#  endif
+   return (png_ptr ? png_ptr->zbuf_size : 0);
 }
 
 #ifdef PNG_SET_USER_LIMITS_SUPPORTED
@@ -1159,6 +1116,15 @@ png_get_io_chunk_type (png_const_structrp png_ptr)
 {
    return png_ptr->chunk_name;
 }
+
+#if PNG_LIBPNG_VER < 10600
+png_const_bytep PNGAPI
+png_get_io_chunk_name (png_structrp png_ptr)
+{
+   PNG_CSTRING_FROM_CHUNK(png_ptr->io_chunk_string, png_ptr->chunk_name);
+   return png_ptr->io_chunk_string;
+}
+#endif
 #endif /* ?PNG_IO_STATE_SUPPORTED */
 
 #endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */

pnginfo.h

@@ -55,7 +55,7 @@
 
 struct png_info_def
 {
-   /* The following are necessary for every PNG file */
+   /* the following are necessary for every PNG file */
    png_uint_32 width;  /* width of image in pixels (from IHDR) */
    png_uint_32 height; /* height of image in pixels (from IHDR) */
    png_uint_32 valid;  /* valid chunk data (see PNG_INFO_ below) */
@@ -70,17 +70,11 @@ struct png_info_def
    png_byte filter_type;    /* must be PNG_FILTER_TYPE_BASE (from IHDR) */
    png_byte interlace_type; /* One of PNG_INTERLACE_NONE, PNG_INTERLACE_ADAM7 */
 
-   /* The following are set by png_set_IHDR, called from the application on
-    * write, but the are never actually used by the write code.
-    */
+   /* The following is informational only on read, and not used on writes. */
    png_byte channels;       /* number of data channels per pixel (1, 2, 3, 4) */
    png_byte pixel_depth;    /* number of bits per pixel */
    png_byte spare_byte;     /* to align the data, and for future use */
-
-#ifdef PNG_READ_SUPPORTED
-   /* This is never set during write */
    png_byte signature[8];   /* magic bytes read by libpng from start of file */
-#endif
 
    /* The rest of the data is optional.  If you are reading, check the
     * valid field to see if the information in these are valid.  If you
@@ -88,25 +82,18 @@ struct png_info_def
     * and initialize the appropriate fields below.
     */
 
-#if defined PNG_COLORSPACE_SUPPORTED || defined PNG_GAMMA_SUPPORTED
-   /* png_colorspace only contains 'flags' if neither GAMMA or COLORSPACE are
-    * defined.  When COLORSPACE is switched on all the colorspace-defining
-    * chunks should be enabled, when GAMMA is switched on all the gamma-defining
-    * chunks should be enabled.  If this is not done it becomes possible to read
-    * inconsistent PNG files and assign a probably incorrect interpretation to
-    * the information.  (In other words, by carefully choosing which chunks to
-    * recognize the system configuration can select an interpretation for PNG
-    * files containing ambiguous data and this will result in inconsistent
-    * behavior between different libpng builds!)
+#if defined(PNG_gAMA_SUPPORTED)
+   /* The gAMA chunk describes the gamma characteristics of the system
+    * on which the image was created, normally in the range [1.0, 2.5].
+    * Data is valid if (valid & PNG_INFO_gAMA) is non-zero.
     */
-   png_colorspace colorspace;
+   png_fixed_point gamma;
 #endif
 
-#ifdef PNG_iCCP_SUPPORTED
-   /* iCCP chunk data. */
-   png_charp iccp_name;     /* profile name */
-   png_bytep iccp_profile;  /* International Color Consortium profile data */
-   png_uint_32 iccp_proflen;  /* ICC profile data length */
+#ifdef PNG_sRGB_SUPPORTED
+    /* GR-P, 0.96a */
+    /* Data valid if (valid & PNG_INFO_sRGB) non-zero. */
+   png_byte srgb_intent; /* sRGB rendering intent [0, 1, 2, or 3] */
 #endif
 
 #ifdef PNG_TEXT_SUPPORTED
@@ -196,6 +183,23 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
    png_uint_16p hist;
 #endif
 
+#ifdef PNG_cHRM_SUPPORTED
+   /* The cHRM chunk describes the CIE color characteristics of the monitor
+    * on which the PNG was created.  This data allows the viewer to do gamut
+    * mapping of the input image to ensure that the viewer sees the same
+    * colors in the image as the creator.  Values are in the range
+    * [0.0, 0.8].  Data valid if (valid & PNG_INFO_cHRM) non-zero.
+    */
+   png_fixed_point x_white;
+   png_fixed_point y_white;
+   png_fixed_point x_red;
+   png_fixed_point y_red;
+   png_fixed_point x_green;
+   png_fixed_point y_green;
+   png_fixed_point x_blue;
+   png_fixed_point y_blue;
+#endif
+
 #ifdef PNG_pCAL_SUPPORTED
    /* The pCAL chunk describes a transformation between the stored pixel
     * values and original physical data values used to create the image.
@@ -220,10 +224,19 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
 /* New members added in libpng-1.0.6 */
    png_uint_32 free_me;     /* flags items libpng is responsible for freeing */
 
-#ifdef PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED
+#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) || \
+ defined(PNG_HANDLE_AS_UNKNOWN_SUPPORTED)
    /* Storage for unknown chunks that the library doesn't recognize. */
    png_unknown_chunkp unknown_chunks;
-   unsigned int unknown_chunks_num;
+   int unknown_chunks_num;
+#endif
+
+#ifdef PNG_iCCP_SUPPORTED
+   /* iCCP chunk data. */
+   png_charp iccp_name;     /* profile name */
+   png_bytep iccp_profile;  /* International Color Consortium profile data */
+   png_uint_32 iccp_proflen;  /* ICC profile data length */
+   png_byte iccp_compression; /* Always zero */
 #endif
 
 #ifdef PNG_sPLT_SUPPORTED

pngmem.c

@@ -30,7 +30,7 @@ png_destroy_png_struct(png_structrp png_ptr)
        * png_get_mem_ptr, so fake a temporary png_struct to support this.
        */
       png_struct dummy_struct = *png_ptr;
-      memset(png_ptr, 0, (sizeof *png_ptr));
+      memset(png_ptr, 0, sizeof *png_ptr);
       png_free(&dummy_struct, png_ptr);
 
 #     ifdef PNG_SETJMP_SUPPORTED
@@ -54,7 +54,7 @@ png_calloc,(png_const_structrp png_ptr, png_alloc_size_t size),PNG_ALLOCATED)
    ret = png_malloc(png_ptr, size);
 
    if (ret != NULL)
-      memset(ret, 0, size);
+      png_memset(ret, 0, size);
 
    return ret;
 }

pngpread.c

@@ -128,6 +128,30 @@ png_process_some_data(png_structrp png_ptr, png_inforp info_ptr)
          break;
       }
 
+#ifdef PNG_READ_tEXt_SUPPORTED
+      case PNG_READ_tEXt_MODE:
+      {
+         png_push_read_tEXt(png_ptr, info_ptr);
+         break;
+      }
+
+#endif
+#ifdef PNG_READ_zTXt_SUPPORTED
+      case PNG_READ_zTXt_MODE:
+      {
+         png_push_read_zTXt(png_ptr, info_ptr);
+         break;
+      }
+
+#endif
+#ifdef PNG_READ_iTXt_SUPPORTED
+      case PNG_READ_iTXt_MODE:
+      {
+         png_push_read_iTXt(png_ptr, info_ptr);
+         break;
+      }
+
+#endif
       case PNG_SKIP_MODE:
       {
          png_push_crc_finish(png_ptr);
@@ -185,9 +209,6 @@ void /* PRIVATE */
 png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr)
 {
    png_uint_32 chunk_name;
-#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
-   int keep; /* unknown handling method */
-#endif
 
    /* First we make sure we have enough data for the 4 byte chunk name
     * and the 4 byte chunk length before proceeding with decoding the
@@ -219,28 +240,14 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr)
 
    if (chunk_name == png_IDAT)
    {
+      /* This is here above the if/else case statement below because if the
+       * unknown handling marks 'IDAT' as unknown then the IDAT handling case is
+       * completely skipped.
+       *
+       * TODO: there must be a better way of doing this.
+       */
       if (png_ptr->mode & PNG_AFTER_IDAT)
          png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT;
-
-      /* If we reach an IDAT chunk, this means we have read all of the
-       * header chunks, and we can start reading the image (or if this
-       * is called after the image has been read - we have an error).
-       */
-      if (!(png_ptr->mode & PNG_HAVE_IHDR))
-         png_error(png_ptr, "Missing IHDR before IDAT");
-
-      else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE &&
-          !(png_ptr->mode & PNG_HAVE_PLTE))
-         png_error(png_ptr, "Missing PLTE before IDAT");
-
-      png_ptr->mode |= PNG_HAVE_IDAT;
-
-      if (!(png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT))
-         if (png_ptr->push_length == 0)
-            return;
-
-      if (png_ptr->mode & PNG_AFTER_IDAT)
-         png_benign_error(png_ptr, "Too many IDATs found");
    }
 
    if (chunk_name == png_IHDR)
@@ -272,7 +279,7 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr)
    }
 
 #ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
-   else if ((keep = png_chunk_unknown_handling(png_ptr, chunk_name)))
+   else if (png_chunk_unknown_handling(png_ptr, chunk_name))
    {
       if (png_ptr->push_length + 4 > png_ptr->buffer_size)
       {
@@ -280,10 +287,23 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr)
          return;
       }
 
-      png_handle_unknown(png_ptr, info_ptr, png_ptr->push_length, keep);
+      if (chunk_name == png_IDAT)
+         png_ptr->mode |= PNG_HAVE_IDAT;
+
+      png_handle_unknown(png_ptr, info_ptr, png_ptr->push_length);
 
       if (chunk_name == png_PLTE)
          png_ptr->mode |= PNG_HAVE_PLTE;
+
+      else if (chunk_name == png_IDAT)
+      {
+         if (!(png_ptr->mode & PNG_HAVE_IHDR))
+            png_error(png_ptr, "Missing IHDR before IDAT");
+
+         else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE &&
+             !(png_ptr->mode & PNG_HAVE_PLTE))
+            png_error(png_ptr, "Missing PLTE before IDAT");
+      }
    }
 
 #endif
@@ -299,7 +319,30 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr)
 
    else if (chunk_name == png_IDAT)
    {
+      /* If we reach an IDAT chunk, this means we have read all of the
+       * header chunks, and we can start reading the image (or if this
+       * is called after the image has been read - we have an error).
+       */
+
+      if (!(png_ptr->mode & PNG_HAVE_IHDR))
+         png_error(png_ptr, "Missing IHDR before IDAT");
+
+      else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE &&
+          !(png_ptr->mode & PNG_HAVE_PLTE))
+         png_error(png_ptr, "Missing PLTE before IDAT");
+
+      if (png_ptr->mode & PNG_HAVE_IDAT)
+      {
+         if (!(png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT))
+            if (png_ptr->push_length == 0)
+               return;
+
+         if (png_ptr->mode & PNG_AFTER_IDAT)
+            png_benign_error(png_ptr, "Too many IDATs found");
+      }
+
       png_ptr->idat_size = png_ptr->push_length;
+      png_ptr->mode |= PNG_HAVE_IDAT;
       png_ptr->process_mode = PNG_READ_IDAT_MODE;
       png_push_have_info(png_ptr, info_ptr);
       png_ptr->zstream.avail_out =
@@ -500,7 +543,7 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr)
          return;
       }
 
-      png_handle_tEXt(png_ptr, info_ptr, png_ptr->push_length);
+      png_push_handle_tEXt(png_ptr, info_ptr, png_ptr->push_length);
    }
 
 #endif
@@ -513,7 +556,7 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr)
          return;
       }
 
-      png_handle_zTXt(png_ptr, info_ptr, png_ptr->push_length);
+      png_push_handle_zTXt(png_ptr, info_ptr, png_ptr->push_length);
    }
 
 #endif
@@ -526,7 +569,7 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr)
          return;
       }
 
-      png_handle_iTXt(png_ptr, info_ptr, png_ptr->push_length);
+      png_push_handle_iTXt(png_ptr, info_ptr, png_ptr->push_length);
    }
 
 #endif
@@ -537,8 +580,7 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr)
          png_push_save_buffer(png_ptr);
          return;
       }
-      png_handle_unknown(png_ptr, info_ptr, png_ptr->push_length,
-         PNG_HANDLE_CHUNK_AS_DEFAULT);
+      png_push_handle_unknown(png_ptr, info_ptr, png_ptr->push_length);
    }
 
    png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER;
@@ -631,7 +673,7 @@ png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length)
       else
          save_size = png_ptr->save_buffer_size;
 
-      memcpy(ptr, png_ptr->save_buffer_ptr, save_size);
+      png_memcpy(ptr, png_ptr->save_buffer_ptr, save_size);
       length -= save_size;
       ptr += save_size;
       png_ptr->buffer_size -= save_size;
@@ -648,7 +690,7 @@ png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length)
       else
          save_size = png_ptr->current_buffer_size;
 
-      memcpy(ptr, png_ptr->current_buffer_ptr, save_size);
+      png_memcpy(ptr, png_ptr->current_buffer_ptr, save_size);
       png_ptr->buffer_size -= save_size;
       png_ptr->current_buffer_size -= save_size;
       png_ptr->current_buffer_ptr += save_size;
@@ -697,13 +739,13 @@ png_push_save_buffer(png_structrp png_ptr)
          png_error(png_ptr, "Insufficient memory for save_buffer");
       }
 
-      memcpy(png_ptr->save_buffer, old_buffer, png_ptr->save_buffer_size);
+      png_memcpy(png_ptr->save_buffer, old_buffer, png_ptr->save_buffer_size);
       png_free(png_ptr, old_buffer);
       png_ptr->save_buffer_max = new_max;
    }
    if (png_ptr->current_buffer_size)
    {
-      memcpy(png_ptr->save_buffer + png_ptr->save_buffer_size,
+      png_memcpy(png_ptr->save_buffer + png_ptr->save_buffer_size,
          png_ptr->current_buffer_ptr, png_ptr->current_buffer_size);
       png_ptr->save_buffer_size += png_ptr->current_buffer_size;
       png_ptr->current_buffer_size = 0;
@@ -748,7 +790,7 @@ png_push_read_IDAT(png_structrp png_ptr)
       {
          png_ptr->process_mode = PNG_READ_CHUNK_MODE;
 
-         if (!(png_ptr->flags & PNG_FLAG_ZSTREAM_ENDED))
+         if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
             png_error(png_ptr, "Not enough compressed data");
 
          return;
@@ -820,7 +862,6 @@ png_push_read_IDAT(png_structrp png_ptr)
       png_crc_finish(png_ptr, 0);
       png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER;
       png_ptr->mode |= PNG_AFTER_IDAT;
-      png_ptr->zowner = 0;
    }
 }
 
@@ -837,14 +878,13 @@ png_process_IDAT_data(png_structrp png_ptr, png_bytep buffer,
     * handle the uncompressed results.
     */
    png_ptr->zstream.next_in = buffer;
-   /* TODO: WARNING: TRUNCATION ERROR: DANGER WILL ROBINSON: */
    png_ptr->zstream.avail_in = (uInt)buffer_length;
 
    /* Keep going until the decompressed data is all processed
     * or the stream marked as finished.
     */
    while (png_ptr->zstream.avail_in > 0 &&
-      !(png_ptr->flags & PNG_FLAG_ZSTREAM_ENDED))
+          !(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
    {
       int ret;
 
@@ -855,9 +895,9 @@ png_process_IDAT_data(png_structrp png_ptr, png_bytep buffer,
        */
       if (!(png_ptr->zstream.avail_out > 0))
       {
-         /* TODO: WARNING: TRUNCATION ERROR: DANGER WILL ROBINSON: */
-         png_ptr->zstream.avail_out = (uInt)(PNG_ROWBYTES(png_ptr->pixel_depth,
-             png_ptr->iwidth) + 1);
+         png_ptr->zstream.avail_out =
+             (uInt) PNG_ROWBYTES(png_ptr->pixel_depth,
+             png_ptr->iwidth) + 1;
 
          png_ptr->zstream.next_out = png_ptr->row_buf;
       }
@@ -875,8 +915,7 @@ png_process_IDAT_data(png_structrp png_ptr, png_bytep buffer,
       if (ret != Z_OK && ret != Z_STREAM_END)
       {
          /* Terminate the decompression. */
-         png_ptr->flags |= PNG_FLAG_ZSTREAM_ENDED;
-         png_ptr->zowner = 0;
+         png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
 
          /* This may be a truncated stream (missing or
           * damaged end code).  Treat that as a warning.
@@ -904,8 +943,7 @@ png_process_IDAT_data(png_structrp png_ptr, png_bytep buffer,
          {
             /* Extra data. */
             png_warning(png_ptr, "Extra compressed data in IDAT");
-            png_ptr->flags |= PNG_FLAG_ZSTREAM_ENDED;
-            png_ptr->zowner = 0;
+            png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
 
             /* Do no more processing; skip the unprocessed
              * input check below.
@@ -920,7 +958,7 @@ png_process_IDAT_data(png_structrp png_ptr, png_bytep buffer,
 
       /* And check for the end of the stream. */
       if (ret == Z_STREAM_END)
-         png_ptr->flags |= PNG_FLAG_ZSTREAM_ENDED;
+         png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
    }
 
    /* All the data should have been processed, if anything
@@ -958,7 +996,7 @@ png_push_process_row(png_structrp png_ptr)
     * it may not be in the future, so this was changed just to copy the
     * interlaced row count:
     */
-   memcpy(png_ptr->prev_row, png_ptr->row_buf, row_info.rowbytes + 1);
+   png_memcpy(png_ptr->prev_row, png_ptr->row_buf, row_info.rowbytes + 1);
 
 #ifdef PNG_READ_TRANSFORMS_SUPPORTED
    if (png_ptr->transformations)
@@ -1163,7 +1201,6 @@ png_push_process_row(png_structrp png_ptr)
 void /* PRIVATE */
 png_read_push_finish_row(png_structrp png_ptr)
 {
-#ifdef PNG_READ_INTERLACING_SUPPORTED
    /* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */
 
    /* Start of interlace block */
@@ -1182,7 +1219,6 @@ png_read_push_finish_row(png_structrp png_ptr)
     * it, uncomment it here and in png.h
    static PNG_CONST png_byte png_pass_height[] = {8, 8, 4, 4, 2, 2, 1};
    */
-#endif
 
    png_ptr->row_number++;
    if (png_ptr->row_number < png_ptr->num_rows)
@@ -1192,7 +1228,7 @@ png_read_push_finish_row(png_structrp png_ptr)
    if (png_ptr->interlaced)
    {
       png_ptr->row_number = 0;
-      memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1);
+      png_memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1);
 
       do
       {
@@ -1226,6 +1262,525 @@ png_read_push_finish_row(png_structrp png_ptr)
 #endif /* PNG_READ_INTERLACING_SUPPORTED */
 }
 
+#ifdef PNG_READ_tEXt_SUPPORTED
+void /* PRIVATE */
+png_push_handle_tEXt(png_structrp png_ptr, png_inforp info_ptr, png_uint_32
+    length)
+{
+   if (!(png_ptr->mode & PNG_HAVE_IHDR) || (png_ptr->mode & PNG_HAVE_IEND))
+      {
+         PNG_UNUSED(info_ptr) /* To quiet some compiler warnings */
+         png_error(png_ptr, "Out of place tEXt");
+         /* NOT REACHED */
+      }
+
+#ifdef PNG_MAX_MALLOC_64K
+   png_ptr->skip_length = 0;  /* This may not be necessary */
+
+   if (length > (png_uint_32)65535L) /* Can't hold entire string in memory */
+   {
+      png_warning(png_ptr, "tEXt chunk too large to fit in memory");
+      png_ptr->skip_length = length - (png_uint_32)65535L;
+      length = (png_uint_32)65535L;
+   }
+#endif
+
+   png_ptr->current_text = (png_charp)png_malloc(png_ptr,
+       (png_size_t)(length + 1));
+   png_ptr->current_text[length] = '\0';
+   png_ptr->current_text_ptr = png_ptr->current_text;
+   png_ptr->current_text_size = (png_size_t)length;
+   png_ptr->current_text_left = (png_size_t)length;
+   png_ptr->process_mode = PNG_READ_tEXt_MODE;
+}
+
+void /* PRIVATE */
+png_push_read_tEXt(png_structrp png_ptr, png_inforp info_ptr)
+{
+   if (png_ptr->buffer_size && png_ptr->current_text_left)
+   {
+      png_size_t text_size;
+
+      if (png_ptr->buffer_size < png_ptr->current_text_left)
+         text_size = png_ptr->buffer_size;
+
+      else
+         text_size = png_ptr->current_text_left;
+
+      png_crc_read(png_ptr, (png_bytep)png_ptr->current_text_ptr, text_size);
+      png_ptr->current_text_left -= text_size;
+      png_ptr->current_text_ptr += text_size;
+   }
+   if (!(png_ptr->current_text_left))
+   {
+      png_textp text_ptr;
+      png_charp text;
+      png_charp key;
+      int ret;
+
+      if (png_ptr->buffer_size < 4)
+      {
+         png_push_save_buffer(png_ptr);
+         return;
+      }
+
+      png_push_crc_finish(png_ptr);
+
+#ifdef PNG_MAX_MALLOC_64K
+      if (png_ptr->skip_length)
+         return;
+#endif
+
+      key = png_ptr->current_text;
+
+      for (text = key; *text; text++)
+         /* Empty loop */ ;
+
+      if (text < key + png_ptr->current_text_size)
+         text++;
+
+      text_ptr = (png_textp)png_malloc(png_ptr, png_sizeof(png_text));
+      text_ptr->compression = PNG_TEXT_COMPRESSION_NONE;
+      text_ptr->key = key;
+      text_ptr->itxt_length = 0;
+      text_ptr->lang = NULL;
+      text_ptr->lang_key = NULL;
+      text_ptr->text = text;
+
+      ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
+
+      png_free(png_ptr, key);
+      png_free(png_ptr, text_ptr);
+      png_ptr->current_text = NULL;
+
+      if (ret)
+         png_warning(png_ptr, "Insufficient memory to store text chunk");
+   }
+}
+#endif
+
+#ifdef PNG_READ_zTXt_SUPPORTED
+void /* PRIVATE */
+png_push_handle_zTXt(png_structrp png_ptr, png_inforp info_ptr, png_uint_32
+   length)
+{
+   if (!(png_ptr->mode & PNG_HAVE_IHDR) || (png_ptr->mode & PNG_HAVE_IEND))
+   {
+      PNG_UNUSED(info_ptr) /* To quiet some compiler warnings */
+      png_error(png_ptr, "Out of place zTXt");
+      /* NOT REACHED */
+   }
+
+#ifdef PNG_MAX_MALLOC_64K
+   /* We can't handle zTXt chunks > 64K, since we don't have enough space
+    * to be able to store the uncompressed data.  Actually, the threshold
+    * is probably around 32K, but it isn't as definite as 64K is.
+    */
+   if (length > (png_uint_32)65535L)
+   {
+      png_warning(png_ptr, "zTXt chunk too large to fit in memory");
+      png_push_crc_skip(png_ptr, length);
+      return;
+   }
+#endif
+
+   png_ptr->current_text = (png_charp)png_malloc(png_ptr,
+       (png_size_t)(length + 1));
+   png_ptr->current_text[length] = '\0';
+   png_ptr->current_text_ptr = png_ptr->current_text;
+   png_ptr->current_text_size = (png_size_t)length;
+   png_ptr->current_text_left = (png_size_t)length;
+   png_ptr->process_mode = PNG_READ_zTXt_MODE;
+}
+
+void /* PRIVATE */
+png_push_read_zTXt(png_structrp png_ptr, png_inforp info_ptr)
+{
+   if (png_ptr->buffer_size && png_ptr->current_text_left)
+   {
+      png_size_t text_size;
+
+      if (png_ptr->buffer_size < (png_uint_32)png_ptr->current_text_left)
+         text_size = png_ptr->buffer_size;
+
+      else
+         text_size = png_ptr->current_text_left;
+
+      png_crc_read(png_ptr, (png_bytep)png_ptr->current_text_ptr, text_size);
+      png_ptr->current_text_left -= text_size;
+      png_ptr->current_text_ptr += text_size;
+   }
+   if (!(png_ptr->current_text_left))
+   {
+      png_textp text_ptr;
+      png_charp text;
+      png_charp key;
+      int ret;
+      png_size_t text_size, key_size;
+
+      if (png_ptr->buffer_size < 4)
+      {
+         png_push_save_buffer(png_ptr);
+         return;
+      }
+
+      png_push_crc_finish(png_ptr);
+
+      key = png_ptr->current_text;
+
+      for (text = key; *text; text++)
+         /* Empty loop */ ;
+
+      /* zTXt can't have zero text */
+      if (text >= key + png_ptr->current_text_size)
+      {
+         png_ptr->current_text = NULL;
+         png_free(png_ptr, key);
+         return;
+      }
+
+      text++;
+
+      if (*text != PNG_TEXT_COMPRESSION_zTXt) /* Check compression byte */
+      {
+         png_ptr->current_text = NULL;
+         png_free(png_ptr, key);
+         return;
+      }
+
+      text++;
+
+      png_ptr->zstream.next_in = (png_bytep)text;
+      png_ptr->zstream.avail_in = (uInt)(png_ptr->current_text_size -
+          (text - key));
+      png_ptr->zstream.next_out = png_ptr->zbuf;
+      png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
+
+      key_size = text - key;
+      text_size = 0;
+      text = NULL;
+      ret = Z_STREAM_END;
+
+      while (png_ptr->zstream.avail_in)
+      {
+         ret = inflate(&png_ptr->zstream, Z_PARTIAL_FLUSH);
+         if (ret != Z_OK && ret != Z_STREAM_END)
+         {
+            inflateReset(&png_ptr->zstream);
+            png_ptr->zstream.avail_in = 0;
+            png_ptr->current_text = NULL;
+            png_free(png_ptr, key);
+            png_free(png_ptr, text);
+            return;
+         }
+
+         if (!(png_ptr->zstream.avail_out) || ret == Z_STREAM_END)
+         {
+            if (text == NULL)
+            {
+               text = (png_charp)png_malloc(png_ptr,
+                   (png_ptr->zbuf_size
+                   - png_ptr->zstream.avail_out + key_size + 1));
+
+               png_memcpy(text + key_size, png_ptr->zbuf,
+                   png_ptr->zbuf_size - png_ptr->zstream.avail_out);
+
+               png_memcpy(text, key, key_size);
+
+               text_size = key_size + png_ptr->zbuf_size -
+                   png_ptr->zstream.avail_out;
+
+               *(text + text_size) = '\0';
+            }
+
+            else
+            {
+               png_charp tmp;
+
+               tmp = text;
+               text = (png_charp)png_malloc(png_ptr, text_size +
+                   (png_ptr->zbuf_size
+                   - png_ptr->zstream.avail_out + 1));
+
+               png_memcpy(text, tmp, text_size);
+               png_free(png_ptr, tmp);
+
+               png_memcpy(text + text_size, png_ptr->zbuf,
+                   png_ptr->zbuf_size - png_ptr->zstream.avail_out);
+
+               text_size += png_ptr->zbuf_size - png_ptr->zstream.avail_out;
+               *(text + text_size) = '\0';
+            }
+
+            if (ret != Z_STREAM_END)
+            {
+               png_ptr->zstream.next_out = png_ptr->zbuf;
+               png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
+            }
+         }
+         else
+         {
+            break;
+         }
+
+         if (ret == Z_STREAM_END)
+            break;
+      }
+
+      inflateReset(&png_ptr->zstream);
+      png_ptr->zstream.avail_in = 0;
+
+      if (ret != Z_STREAM_END)
+      {
+         png_ptr->current_text = NULL;
+         png_free(png_ptr, key);
+         png_free(png_ptr, text);
+         return;
+      }
+
+      png_ptr->current_text = NULL;
+      png_free(png_ptr, key);
+      key = text;
+      text += key_size;
+
+      text_ptr = (png_textp)png_malloc(png_ptr,
+          png_sizeof(png_text));
+      text_ptr->compression = PNG_TEXT_COMPRESSION_zTXt;
+      text_ptr->key = key;
+      text_ptr->itxt_length = 0;
+      text_ptr->lang = NULL;
+      text_ptr->lang_key = NULL;
+      text_ptr->text = text;
+
+      ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
+
+      png_free(png_ptr, key);
+      png_free(png_ptr, text_ptr);
+
+      if (ret)
+         png_warning(png_ptr, "Insufficient memory to store text chunk");
+   }
+}
+#endif
+
+#ifdef PNG_READ_iTXt_SUPPORTED
+void /* PRIVATE */
+png_push_handle_iTXt(png_structrp png_ptr, png_inforp info_ptr, png_uint_32
+    length)
+{
+   if (!(png_ptr->mode & PNG_HAVE_IHDR) || (png_ptr->mode & PNG_HAVE_IEND))
+   {
+      PNG_UNUSED(info_ptr) /* To quiet some compiler warnings */
+      png_error(png_ptr, "Out of place iTXt");
+      /* NOT REACHED */
+   }
+
+#ifdef PNG_MAX_MALLOC_64K
+   png_ptr->skip_length = 0;  /* This may not be necessary */
+
+   if (length > (png_uint_32)65535L) /* Can't hold entire string in memory */
+   {
+      png_warning(png_ptr, "iTXt chunk too large to fit in memory");
+      png_ptr->skip_length = length - (png_uint_32)65535L;
+      length = (png_uint_32)65535L;
+   }
+#endif
+
+   png_ptr->current_text = (png_charp)png_malloc(png_ptr,
+       (png_size_t)(length + 1));
+   png_ptr->current_text[length] = '\0';
+   png_ptr->current_text_ptr = png_ptr->current_text;
+   png_ptr->current_text_size = (png_size_t)length;
+   png_ptr->current_text_left = (png_size_t)length;
+   png_ptr->process_mode = PNG_READ_iTXt_MODE;
+}
+
+void /* PRIVATE */
+png_push_read_iTXt(png_structrp png_ptr, png_inforp info_ptr)
+{
+
+   if (png_ptr->buffer_size && png_ptr->current_text_left)
+   {
+      png_size_t text_size;
+
+      if (png_ptr->buffer_size < png_ptr->current_text_left)
+         text_size = png_ptr->buffer_size;
+
+      else
+         text_size = png_ptr->current_text_left;
+
+      png_crc_read(png_ptr, (png_bytep)png_ptr->current_text_ptr, text_size);
+      png_ptr->current_text_left -= text_size;
+      png_ptr->current_text_ptr += text_size;
+   }
+
+   if (!(png_ptr->current_text_left))
+   {
+      png_textp text_ptr;
+      png_charp key;
+      int comp_flag;
+      png_charp lang;
+      png_charp lang_key;
+      png_charp text;
+      int ret;
+
+      if (png_ptr->buffer_size < 4)
+      {
+         png_push_save_buffer(png_ptr);
+         return;
+      }
+
+      png_push_crc_finish(png_ptr);
+
+#ifdef PNG_MAX_MALLOC_64K
+      if (png_ptr->skip_length)
+         return;
+#endif
+
+      key = png_ptr->current_text;
+
+      for (lang = key; *lang; lang++)
+         /* Empty loop */ ;
+
+      if (lang < key + png_ptr->current_text_size - 3)
+         lang++;
+
+      comp_flag = *lang++;
+      lang++;     /* Skip comp_type, always zero */
+
+      for (lang_key = lang; *lang_key; lang_key++)
+         /* Empty loop */ ;
+
+      lang_key++;        /* Skip NUL separator */
+
+      text=lang_key;
+
+      if (lang_key < key + png_ptr->current_text_size - 1)
+      {
+         for (; *text; text++)
+            /* Empty loop */ ;
+      }
+
+      if (text < key + png_ptr->current_text_size)
+         text++;
+
+      text_ptr = (png_textp)png_malloc(png_ptr,
+          png_sizeof(png_text));
+
+      text_ptr->compression = comp_flag + 2;
+      text_ptr->key = key;
+      text_ptr->lang = lang;
+      text_ptr->lang_key = lang_key;
+      text_ptr->text = text;
+      text_ptr->text_length = 0;
+      text_ptr->itxt_length = png_strlen(text);
+
+      ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
+
+      png_ptr->current_text = NULL;
+
+      png_free(png_ptr, text_ptr);
+      if (ret)
+         png_warning(png_ptr, "Insufficient memory to store iTXt chunk");
+   }
+}
+#endif
+
+/* This function is called when we haven't found a handler for this
+ * chunk.  If there isn't a problem with the chunk itself (ie a bad chunk
+ * name or a critical chunk), the chunk is (currently) silently ignored.
+ */
+void /* PRIVATE */
+png_push_handle_unknown(png_structrp png_ptr, png_inforp info_ptr, png_uint_32
+    length)
+{
+   png_uint_32 skip = 0;
+   png_uint_32 chunk_name = png_ptr->chunk_name;
+
+   if (PNG_CHUNK_CRITICAL(chunk_name))
+   {
+#ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
+      if (png_chunk_unknown_handling(png_ptr, chunk_name) !=
+          PNG_HANDLE_CHUNK_ALWAYS
+#ifdef PNG_READ_USER_CHUNKS_SUPPORTED
+          && png_ptr->read_user_chunk_fn == NULL
+#endif
+          )
+#endif
+         png_chunk_error(png_ptr, "unknown critical chunk");
+
+      PNG_UNUSED(info_ptr) /* To quiet some compiler warnings */
+   }
+
+#ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
+   /* TODO: the code below is apparently just using the
+    * png_struct::unknown_chunk member as a temporarily variable, it should be
+    * possible to eliminate both it and the temporary buffer.
+    */
+   if (png_ptr->flags & PNG_FLAG_KEEP_UNKNOWN_CHUNKS)
+   {
+#ifdef PNG_MAX_MALLOC_64K
+      if (length > 65535)
+      {
+         png_warning(png_ptr, "unknown chunk too large to fit in memory");
+         skip = length - 65535;
+         length = 65535;
+      }
+#endif
+      /* This is just a record for the user; libpng doesn't use the character
+       * form of the name.
+       */
+      PNG_CSTRING_FROM_CHUNK(png_ptr->unknown_chunk.name, png_ptr->chunk_name);
+
+      /* The following cast should be safe because of the check above. */
+      png_ptr->unknown_chunk.size = (png_size_t)length;
+
+      if (length == 0)
+         png_ptr->unknown_chunk.data = NULL;
+
+      else
+      {
+         png_ptr->unknown_chunk.data = (png_bytep)png_malloc(png_ptr,
+            png_ptr->unknown_chunk.size);
+         png_crc_read(png_ptr, (png_bytep)png_ptr->unknown_chunk.data,
+            png_ptr->unknown_chunk.size);
+      }
+
+#ifdef PNG_READ_USER_CHUNKS_SUPPORTED
+      if (png_ptr->read_user_chunk_fn != NULL)
+      {
+         /* Callback to user unknown chunk handler */
+         int ret;
+         ret = (*(png_ptr->read_user_chunk_fn))
+             (png_ptr, &png_ptr->unknown_chunk);
+
+         if (ret < 0)
+            png_chunk_error(png_ptr, "error in user chunk");
+
+         if (ret == 0)
+         {
+            if (PNG_CHUNK_CRITICAL(png_ptr->chunk_name))
+               if (png_chunk_unknown_handling(png_ptr, chunk_name) !=
+                   PNG_HANDLE_CHUNK_ALWAYS)
+                  png_chunk_error(png_ptr, "unknown critical chunk");
+            png_set_unknown_chunks(png_ptr, info_ptr,
+                &png_ptr->unknown_chunk, 1);
+         }
+      }
+
+      else
+#endif
+         png_set_unknown_chunks(png_ptr, info_ptr, &png_ptr->unknown_chunk, 1);
+      png_free(png_ptr, png_ptr->unknown_chunk.data);
+      png_ptr->unknown_chunk.data = NULL;
+   }
+
+   else
+#endif
+      skip=length;
+   png_push_crc_skip(png_ptr, skip);
+}
+
 void /* PRIVATE */
 png_push_have_info(png_structrp png_ptr, png_inforp info_ptr)
 {

pngrtran.c

@@ -88,36 +88,6 @@ png_set_crc_action(png_structrp png_ptr, int crit_action, int ancil_action)
    }
 }
 
-#ifdef PNG_READ_TRANSFORMS_SUPPORTED
-/* Is it OK to set a transformation now?  Only if png_start_read_image or
- * png_read_update_info have not been called.  It is not necessary for the IHDR
- * to have been read in all cases, the parameter allows for this check too.
- */
-static int
-png_rtran_ok(png_structrp png_ptr, int need_IHDR)
-{
-   if (png_ptr != NULL)
-   {
-      if (png_ptr->flags & PNG_FLAG_ROW_INIT)
-         png_app_error(png_ptr,
-            "invalid after png_start_read_image or png_read_update_info");
-
-      else if (need_IHDR && (png_ptr->mode & PNG_HAVE_IHDR) == 0)
-         png_app_error(png_ptr, "invalid before the PNG header has been read");
-
-      else
-      {
-         /* Turn on failure to initialize correctly for all transforms. */
-         png_ptr->flags |= PNG_FLAG_DETECT_UNINITIALIZED;
-
-         return 1; /* Ok */
-      }
-   }
-
-   return 0; /* no png_error possible! */
-}
-#endif
-
 #ifdef PNG_READ_BACKGROUND_SUPPORTED
 /* Handle alpha and tRNS via a background color */
 void PNGFAPI
@@ -127,7 +97,7 @@ png_set_background_fixed(png_structrp png_ptr,
 {
    png_debug(1, "in png_set_background_fixed");
 
-   if (!png_rtran_ok(png_ptr, 0) || background_color == NULL)
+   if (png_ptr == NULL || background_color == NULL)
       return;
 
    if (background_gamma_code == PNG_BACKGROUND_GAMMA_UNKNOWN)
@@ -171,7 +141,7 @@ png_set_scale_16(png_structrp png_ptr)
 {
    png_debug(1, "in png_set_scale_16");
 
-   if (!png_rtran_ok(png_ptr, 0))
+   if (png_ptr == NULL)
       return;
 
    png_ptr->transformations |= PNG_SCALE_16_TO_8;
@@ -185,7 +155,7 @@ png_set_strip_16(png_structrp png_ptr)
 {
    png_debug(1, "in png_set_strip_16");
 
-   if (!png_rtran_ok(png_ptr, 0))
+   if (png_ptr == NULL)
       return;
 
    png_ptr->transformations |= PNG_16_TO_8;
@@ -198,7 +168,7 @@ png_set_strip_alpha(png_structrp png_ptr)
 {
    png_debug(1, "in png_set_strip_alpha");
 
-   if (!png_rtran_ok(png_ptr, 0))
+   if (png_ptr == NULL)
       return;
 
    png_ptr->transformations |= PNG_STRIP_ALPHA;
@@ -277,7 +247,7 @@ png_set_alpha_mode_fixed(png_structrp png_ptr, int mode,
 
    png_debug(1, "in png_set_alpha_mode");
 
-   if (!png_rtran_ok(png_ptr, 0))
+   if (png_ptr == NULL)
       return;
 
    output_gamma = translate_gamma_flags(png_ptr, output_gamma, 1/*screen*/);
@@ -349,11 +319,8 @@ png_set_alpha_mode_fixed(png_structrp png_ptr, int mode,
     * the side effect that the gamma in a second call to png_set_alpha_mode will
     * be ignored.)
     */
-   if (png_ptr->colorspace.gamma == 0)
-   {
-      png_ptr->colorspace.gamma = file_gamma;
-      png_ptr->colorspace.flags |= PNG_COLORSPACE_HAVE_GAMMA;
-   }
+   if (png_ptr->gamma == 0)
+      png_ptr->gamma = file_gamma;
 
    /* But always set the output gamma: */
    png_ptr->screen_gamma = output_gamma;
@@ -364,8 +331,8 @@ png_set_alpha_mode_fixed(png_structrp png_ptr, int mode,
    if (compose)
    {
       /* And obtain alpha pre-multiplication by composing on black: */
-      memset(&png_ptr->background, 0, (sizeof png_ptr->background));
-      png_ptr->background_gamma = png_ptr->colorspace.gamma; /* just in case */
+      png_memset(&png_ptr->background, 0, sizeof png_ptr->background);
+      png_ptr->background_gamma = png_ptr->gamma; /* just in case */
       png_ptr->background_gamma_type = PNG_BACKGROUND_GAMMA_FILE;
       png_ptr->transformations &= ~PNG_BACKGROUND_EXPAND;
 
@@ -375,6 +342,9 @@ png_set_alpha_mode_fixed(png_structrp png_ptr, int mode,
 
       png_ptr->transformations |= PNG_COMPOSE;
    }
+
+   /* New API, make sure apps call the correct initializers: */
+   png_ptr->flags |= PNG_FLAG_DETECT_UNINITIALIZED;
 }
 
 #  ifdef PNG_FLOATING_POINT_SUPPORTED
@@ -413,7 +383,7 @@ png_set_quantize(png_structrp png_ptr, png_colorp palette,
 {
    png_debug(1, "in png_set_quantize");
 
-   if (!png_rtran_ok(png_ptr, 0))
+   if (png_ptr == NULL)
       return;
 
    png_ptr->transformations |= PNG_QUANTIZE;
@@ -423,7 +393,7 @@ png_set_quantize(png_structrp png_ptr, png_colorp palette,
       int i;
 
       png_ptr->quantize_index = (png_bytep)png_malloc(png_ptr,
-          (png_uint_32)(num_palette * (sizeof (png_byte))));
+          (png_uint_32)(num_palette * png_sizeof(png_byte)));
       for (i = 0; i < num_palette; i++)
          png_ptr->quantize_index[i] = (png_byte)i;
    }
@@ -440,7 +410,7 @@ png_set_quantize(png_structrp png_ptr, png_colorp palette,
 
          /* Initialize an array to sort colors */
          png_ptr->quantize_sort = (png_bytep)png_malloc(png_ptr,
-             (png_uint_32)(num_palette * (sizeof (png_byte))));
+             (png_uint_32)(num_palette * png_sizeof(png_byte)));
 
          /* Initialize the quantize_sort array */
          for (i = 0; i < num_palette; i++)
@@ -574,9 +544,9 @@ png_set_quantize(png_structrp png_ptr, png_colorp palette,
 
          /* Initialize palette index arrays */
          png_ptr->index_to_palette = (png_bytep)png_malloc(png_ptr,
-             (png_uint_32)(num_palette * (sizeof (png_byte))));
+             (png_uint_32)(num_palette * png_sizeof(png_byte)));
          png_ptr->palette_to_index = (png_bytep)png_malloc(png_ptr,
-             (png_uint_32)(num_palette * (sizeof (png_byte))));
+             (png_uint_32)(num_palette * png_sizeof(png_byte)));
 
          /* Initialize the sort array */
          for (i = 0; i < num_palette; i++)
@@ -586,7 +556,7 @@ png_set_quantize(png_structrp png_ptr, png_colorp palette,
          }
 
          hash = (png_dsortpp)png_calloc(png_ptr, (png_uint_32)(769 *
-             (sizeof (png_dsortp))));
+             png_sizeof(png_dsortp)));
 
          num_new_palette = num_palette;
 
@@ -616,7 +586,7 @@ png_set_quantize(png_structrp png_ptr, png_colorp palette,
                   {
 
                      t = (png_dsortp)png_malloc_warn(png_ptr,
-                         (png_uint_32)(sizeof (png_dsort)));
+                         (png_uint_32)(png_sizeof(png_dsort)));
 
                      if (t == NULL)
                          break;
@@ -741,12 +711,12 @@ png_set_quantize(png_structrp png_ptr, png_colorp palette,
       png_size_t num_entries = ((png_size_t)1 << total_bits);
 
       png_ptr->palette_lookup = (png_bytep)png_calloc(png_ptr,
-          (png_uint_32)(num_entries * (sizeof (png_byte))));
+          (png_uint_32)(num_entries * png_sizeof(png_byte)));
 
       distance = (png_bytep)png_malloc(png_ptr, (png_uint_32)(num_entries *
-          (sizeof (png_byte))));
+          png_sizeof(png_byte)));
 
-      memset(distance, 0xff, num_entries * (sizeof (png_byte)));
+      png_memset(distance, 0xff, num_entries * png_sizeof(png_byte));
 
       for (i = 0; i < num_palette; i++)
       {
@@ -800,7 +770,7 @@ png_set_gamma_fixed(png_structrp png_ptr, png_fixed_point scrn_gamma,
 {
    png_debug(1, "in png_set_gamma_fixed");
 
-   if (!png_rtran_ok(png_ptr, 0))
+   if (png_ptr == NULL)
       return;
 
    /* New in libpng-1.5.4 - reserve particular negative values as flags. */
@@ -828,8 +798,7 @@ png_set_gamma_fixed(png_structrp png_ptr, png_fixed_point scrn_gamma,
     * file if a gAMA chunk was present.  png_set_alpha_mode provides a
     * different, easier, way to default the file gamma.
     */
-   png_ptr->colorspace.gamma = file_gamma;
-   png_ptr->colorspace.flags |= PNG_COLORSPACE_HAVE_GAMMA;
+   png_ptr->gamma = file_gamma;
    png_ptr->screen_gamma = scrn_gamma;
 }
 
@@ -853,10 +822,11 @@ png_set_expand(png_structrp png_ptr)
 {
    png_debug(1, "in png_set_expand");
 
-   if (!png_rtran_ok(png_ptr, 0))
+   if (png_ptr == NULL)
       return;
 
    png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
+   png_ptr->flags &= ~PNG_FLAG_ROW_INIT;
 }
 
 /* GRR 19990627:  the following three functions currently are identical
@@ -883,10 +853,11 @@ png_set_palette_to_rgb(png_structrp png_ptr)
 {
    png_debug(1, "in png_set_palette_to_rgb");
 
-   if (!png_rtran_ok(png_ptr, 0))
+   if (png_ptr == NULL)
       return;
 
    png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
+   png_ptr->flags &= ~PNG_FLAG_ROW_INIT;
 }
 
 /* Expand grayscale images of less than 8-bit depth to 8 bits. */
@@ -895,22 +866,23 @@ png_set_expand_gray_1_2_4_to_8(png_structrp png_ptr)
 {
    png_debug(1, "in png_set_expand_gray_1_2_4_to_8");
 
-   if (!png_rtran_ok(png_ptr, 0))
+   if (png_ptr == NULL)
       return;
 
    png_ptr->transformations |= PNG_EXPAND;
+   png_ptr->flags &= ~PNG_FLAG_ROW_INIT;
 }
 
+
+
 /* Expand tRNS chunks to alpha channels. */
 void PNGAPI
 png_set_tRNS_to_alpha(png_structrp png_ptr)
 {
    png_debug(1, "in png_set_tRNS_to_alpha");
 
-   if (!png_rtran_ok(png_ptr, 0))
-      return;
-
    png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
+   png_ptr->flags &= ~PNG_FLAG_ROW_INIT;
 }
 #endif /* defined(PNG_READ_EXPAND_SUPPORTED) */
 
@@ -923,10 +895,14 @@ png_set_expand_16(png_structrp png_ptr)
 {
    png_debug(1, "in png_set_expand_16");
 
-   if (!png_rtran_ok(png_ptr, 0))
+   if (png_ptr == NULL)
       return;
 
    png_ptr->transformations |= (PNG_EXPAND_16 | PNG_EXPAND | PNG_EXPAND_tRNS);
+   png_ptr->flags &= ~PNG_FLAG_ROW_INIT;
+
+   /* New API, make sure apps call the correct initializers: */
+   png_ptr->flags |= PNG_FLAG_DETECT_UNINITIALIZED;
 }
 #endif
 
@@ -936,12 +912,13 @@ png_set_gray_to_rgb(png_structrp png_ptr)
 {
    png_debug(1, "in png_set_gray_to_rgb");
 
-   if (!png_rtran_ok(png_ptr, 0))
-      return;
-
-   /* Because rgb must be 8 bits or more: */
-   png_set_expand_gray_1_2_4_to_8(png_ptr);
-   png_ptr->transformations |= PNG_GRAY_TO_RGB;
+   if (png_ptr != NULL)
+   {
+      /* Because rgb must be 8 bits or more: */
+      png_set_expand_gray_1_2_4_to_8(png_ptr);
+      png_ptr->transformations |= PNG_GRAY_TO_RGB;
+      png_ptr->flags &= ~PNG_FLAG_ROW_INIT;
+   }
 }
 #endif
 
@@ -952,9 +929,7 @@ png_set_rgb_to_gray_fixed(png_structrp png_ptr, int error_action,
 {
    png_debug(1, "in png_set_rgb_to_gray");
 
-   /* Need the IHDR here because of the check on color_type below. */
-   /* TODO: fix this */
-   if (!png_rtran_ok(png_ptr, 1))
+   if (png_ptr == NULL)
       return;
 
    switch(error_action)
@@ -975,19 +950,15 @@ png_set_rgb_to_gray_fixed(png_structrp png_ptr, int error_action,
          png_error(png_ptr, "invalid error action to rgb_to_gray");
          break;
    }
-
    if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
 #ifdef PNG_READ_EXPAND_SUPPORTED
       png_ptr->transformations |= PNG_EXPAND;
 #else
    {
-      /* Make this an error in 1.6 because otherwise the application may assume
-       * that it just worked and get a memory overwrite.
-       */
-      png_error(png_ptr,
+      png_warning(png_ptr,
         "Cannot do RGB_TO_GRAY without EXPAND_SUPPORTED");
 
-      /* png_ptr->transformations &= ~PNG_RGB_TO_GRAY; */
+      png_ptr->transformations &= ~PNG_RGB_TO_GRAY;
    }
 #endif
    {
@@ -1011,7 +982,7 @@ png_set_rgb_to_gray_fixed(png_structrp png_ptr, int error_action,
       else
       {
          if (red >= 0 && green >= 0)
-            png_app_warning(png_ptr,
+            png_warning(png_ptr,
                "ignoring out of range rgb_to_gray coefficients");
 
          /* Use the defaults, from the cHRM chunk if set, else the historical
@@ -1040,13 +1011,16 @@ void PNGAPI
 png_set_rgb_to_gray(png_structrp png_ptr, int error_action, double red,
    double green)
 {
+   if (png_ptr == NULL)
+      return;
+
    png_set_rgb_to_gray_fixed(png_ptr, error_action,
       png_fixed(png_ptr, red, "rgb to gray red coefficient"),
       png_fixed(png_ptr, green, "rgb to gray green coefficient"));
 }
 #endif /* FLOATING POINT */
 
-#endif /* RGB_TO_GRAY */
+#endif
 
 #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
     defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
@@ -1056,7 +1030,7 @@ png_set_read_user_transform_fn(png_structrp png_ptr, png_user_transform_ptr
 {
    png_debug(1, "in png_set_read_user_transform_fn");
 
-   if (!png_rtran_ok(png_ptr, 0))
+   if (png_ptr == NULL)
       return;
 
 #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
@@ -1291,17 +1265,17 @@ png_init_read_transformations(png_structrp png_ptr)
        */
       int gamma_correction = 0;
 
-      if (png_ptr->colorspace.gamma != 0) /* has been set */
+      if (png_ptr->gamma != 0) /* has been set */
       {
          if (png_ptr->screen_gamma != 0) /* screen set too */
-            gamma_correction = png_gamma_threshold(png_ptr->colorspace.gamma,
+            gamma_correction = png_gamma_threshold(png_ptr->gamma,
                png_ptr->screen_gamma);
 
          else
             /* Assume the output matches the input; a long time default behavior
              * of libpng, although the standard has nothing to say about this.
              */
-            png_ptr->screen_gamma = png_reciprocal(png_ptr->colorspace.gamma);
+            png_ptr->screen_gamma = png_reciprocal(png_ptr->gamma);
       }
 
       else if (png_ptr->screen_gamma != 0)
@@ -1310,7 +1284,7 @@ png_init_read_transformations(png_structrp png_ptr)
           * png_set_alpha_mode (even if the alpha handling mode isn't required
           * or isn't changed from the default.)
           */
-         png_ptr->colorspace.gamma = png_reciprocal(png_ptr->screen_gamma);
+         png_ptr->gamma = png_reciprocal(png_ptr->screen_gamma);
 
       else /* neither are set */
          /* Just in case the following prevents any processing - file and screen
@@ -1318,10 +1292,7 @@ png_init_read_transformations(png_structrp png_ptr)
           * third gamma value other than png_set_background with 'UNIQUE', and,
           * prior to 1.5.4
           */
-         png_ptr->screen_gamma = png_ptr->colorspace.gamma = PNG_FP_1;
-
-      /* We have a gamma value now. */
-      png_ptr->colorspace.flags |= PNG_COLORSPACE_HAVE_GAMMA;
+         png_ptr->screen_gamma = png_ptr->gamma = PNG_FP_1;
 
       /* Now turn the gamma transformation on or off as appropriate.  Notice
        * that PNG_GAMMA just refers to the file->screen correction.  Alpha
@@ -1403,16 +1374,9 @@ png_init_read_transformations(png_structrp png_ptr)
    }
 #endif
 
-#ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED
-   /* Make sure the coefficients for the rgb to gray conversion are set
-    * appropriately.
-    */
-   if (png_ptr->transformations & PNG_RGB_TO_GRAY)
-      png_colorspace_set_rgb_coefficients(png_ptr);
-#endif
-
-#ifdef PNG_READ_GRAY_TO_RGB_SUPPORTED
-#if defined PNG_READ_EXPAND_SUPPORTED && defined PNG_READ_BACKGROUND_SUPPORTED
+#if defined(PNG_READ_EXPAND_SUPPORTED) && \
+   defined(PNG_READ_BACKGROUND_SUPPORTED) && \
+   defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
    /* Detect gray background and attempt to enable optimization for
     * gray --> RGB case.
     *
@@ -1454,8 +1418,7 @@ png_init_read_transformations(png_structrp png_ptr)
          }
       }
    }
-#endif /* PNG_READ_EXPAND_SUPPORTED && PNG_READ_BACKGROUND_SUPPORTED */
-#endif /* PNG_READ_GRAY_TO_RGB_SUPPORTED */
+#endif /* PNG_READ_GRAY_TO_RGB_SUPPORTED (etc) */
 
    /* For indexed PNG data (PNG_COLOR_TYPE_PALETTE) many of the transformations
     * can be performed directly on the palette, and some (such as rgb to gray)
@@ -1491,7 +1454,7 @@ png_init_read_transformations(png_structrp png_ptr)
        * NOTE: this discards the low 16 bits of the user supplied background
        * color, but until expand_16 works properly there is no choice!
        */
-#     define CHOP(x) (x)=((png_uint_16)PNG_DIV257(x))
+#     define CHOP(x) (x)=((png_uint_16)(((png_uint_32)(x)*255+32895) >> 16))
       CHOP(png_ptr->background.red);
       CHOP(png_ptr->background.green);
       CHOP(png_ptr->background.blue);
@@ -1551,10 +1514,10 @@ png_init_read_transformations(png_structrp png_ptr)
     */
    if ((png_ptr->transformations & PNG_GAMMA)
       || ((png_ptr->transformations & PNG_RGB_TO_GRAY)
-         && (png_gamma_significant(png_ptr->colorspace.gamma) ||
+         && (png_gamma_significant(png_ptr->gamma) ||
             png_gamma_significant(png_ptr->screen_gamma)))
       || ((png_ptr->transformations & PNG_COMPOSE)
-         && (png_gamma_significant(png_ptr->colorspace.gamma)
+         && (png_gamma_significant(png_ptr->gamma)
             || png_gamma_significant(png_ptr->screen_gamma)
 #  ifdef PNG_READ_BACKGROUND_SUPPORTED
             || (png_ptr->background_gamma_type == PNG_BACKGROUND_GAMMA_UNIQUE
@@ -1611,8 +1574,8 @@ png_init_read_transformations(png_structrp png_ptr)
                      break;
 
                   case PNG_BACKGROUND_GAMMA_FILE:
-                     g = png_reciprocal(png_ptr->colorspace.gamma);
-                     gs = png_reciprocal2(png_ptr->colorspace.gamma,
+                     g = png_reciprocal(png_ptr->gamma);
+                     gs = png_reciprocal2(png_ptr->gamma,
                         png_ptr->screen_gamma);
                      break;
 
@@ -1720,9 +1683,8 @@ png_init_read_transformations(png_structrp png_ptr)
                   break;
 
                case PNG_BACKGROUND_GAMMA_FILE:
-                  g = png_reciprocal(png_ptr->colorspace.gamma);
-                  gs = png_reciprocal2(png_ptr->colorspace.gamma,
-                     png_ptr->screen_gamma);
+                  g = png_reciprocal(png_ptr->gamma);
+                  gs = png_reciprocal2(png_ptr->gamma, png_ptr->screen_gamma);
                   break;
 
                case PNG_BACKGROUND_GAMMA_UNIQUE:
@@ -1806,8 +1768,8 @@ png_init_read_transformations(png_structrp png_ptr)
          int num_palette = png_ptr->num_palette;
          int i;
 
-         /* NOTE: there are other transformations that should probably be in
-          * here too.
+         /*NOTE: there are other transformations that should probably be in here
+          * too.
           */
          for (i = 0; i < num_palette; i++)
          {
@@ -1866,15 +1828,12 @@ png_init_read_transformations(png_structrp png_ptr)
 
 #ifdef PNG_READ_SHIFT_SUPPORTED
    if ((png_ptr->transformations & PNG_SHIFT) &&
-      !(png_ptr->transformations & PNG_EXPAND) &&
        (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE))
    {
       int i;
       int istop = png_ptr->num_palette;
       int shift = 8 - png_ptr->sig_bit.red;
 
-      png_ptr->transformations &= ~PNG_SHIFT;
-
       /* significant bits can be in the range 1 to 7 for a meaninful result, if
        * the number of significant bits is 0 then no shift is done (this is an
        * error condition which is silently ignored.)
@@ -1964,12 +1923,8 @@ png_read_transform_info(png_structrp png_ptr, png_inforp info_ptr)
     * however it seems that the code in png_init_read_transformations, which has
     * been called before this from png_read_update_info->png_read_start_row
     * sometimes does the gamma transform and cancels the flag.
-    *
-    * TODO: this looks wrong; the info_ptr should end up with a gamma equal to
-    * the screen_gamma value.  The following probably results in weirdness if
-    * the info_ptr is used by the app after the rows have been read.
     */
-   info_ptr->colorspace.gamma = png_ptr->colorspace.gamma;
+   info_ptr->gamma = png_ptr->gamma;
 #endif
 
    if (info_ptr->bit_depth == 16)
@@ -2132,9 +2087,8 @@ png_do_read_transformations(png_structrp png_ptr, png_row_infop row_info)
 
    /* The following is debugging; prior to 1.5.4 the code was never compiled in;
     * in 1.5.4 PNG_FLAG_DETECT_UNINITIALIZED was added and the macro
-    * PNG_WARN_UNINITIALIZED_ROW removed.  In 1.6 the new flag is set only for
-    * all transformations, however in practice the ROW_INIT always gets done on
-    * demand, if necessary.
+    * PNG_WARN_UNINITIALIZED_ROW removed.  In 1.5 the new flag is set only for
+    * selected new APIs to ensure that there is no API change.
     */
    if ((png_ptr->flags & PNG_FLAG_DETECT_UNINITIALIZED) != 0 &&
       !(png_ptr->flags & PNG_FLAG_ROW_INIT))
@@ -2318,7 +2272,7 @@ png_do_read_transformations(png_structrp png_ptr, png_row_infop row_info)
 #endif
 
 #ifdef PNG_READ_GRAY_TO_RGB_SUPPORTED
-   /* NOTE: moved here in 1.5.4 (from much later in this list.) */
+   /*NOTE: moved here in 1.5.4 (from much later in this list.) */
    if ((png_ptr->transformations & PNG_GRAY_TO_RGB) &&
        (png_ptr->mode & PNG_BACKGROUND_IS_GRAY))
       png_do_gray_to_rgb(row_info, png_ptr->row_buf + 1);
@@ -2340,13 +2294,6 @@ png_do_read_transformations(png_structrp png_ptr, png_row_infop row_info)
       png_do_unpack(row_info, png_ptr->row_buf + 1);
 #endif
 
-#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED
-   /* Added at libpng-1.5.10 */
-   if (row_info->color_type == PNG_COLOR_TYPE_PALETTE &&
-       png_ptr->num_palette_max >= 0)
-      png_do_check_palette_indexes(png_ptr, row_info);
-#endif
-
 #ifdef PNG_READ_BGR_SUPPORTED
    if (png_ptr->transformations & PNG_BGR)
       png_do_bgr(row_info, png_ptr->row_buf + 1);
@@ -3344,7 +3291,7 @@ png_do_rgb_to_gray(png_structrp png_ptr, png_row_infop row_info, png_bytep row)
                if (red != green || red != blue)
                {
                   rgb_error |= 1;
-                  /* NOTE: this is the historical approach which simply
+                  /*NOTE: this is the historical approach which simply
                    * truncates the results.
                    */
                   *(dp++) = (png_byte)((rc*red + gc*green + bc*blue)>>15);
@@ -3561,9 +3508,8 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
                      if ((png_uint_16)((*sp >> shift) & 0x01)
                         == png_ptr->trans_color.gray)
                      {
-                        unsigned int tmp = *sp & (0x7f7f >> (7 - shift));
-                        tmp |= png_ptr->background.gray << shift;
-                        *sp = (png_byte)(tmp & 0xff);
+                        *sp &= (png_byte)((0x7f7f >> (7 - shift)) & 0xff);
+                        *sp |= (png_byte)(png_ptr->background.gray << shift);
                      }
 
                      if (!shift)
@@ -3590,19 +3536,17 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
                         if ((png_uint_16)((*sp >> shift) & 0x03)
                             == png_ptr->trans_color.gray)
                         {
-                           unsigned int tmp = *sp & (0x3f3f >> (6 - shift));
-                           tmp |= png_ptr->background.gray << shift;
-                           *sp = (png_byte)(tmp & 0xff);
+                           *sp &= (png_byte)((0x3f3f >> (6 - shift)) & 0xff);
+                           *sp |= (png_byte)(png_ptr->background.gray << shift);
                         }
 
                         else
                         {
-                           unsigned int p = (*sp >> shift) & 0x03;
-                           unsigned int g = (gamma_table [p | (p << 2) |
-                               (p << 4) | (p << 6)] >> 6) & 0x03;
-                           unsigned int tmp = *sp & (0x3f3f >> (6 - shift));
-                           tmp |= g << shift;
-                           *sp = (png_byte)(tmp & 0xff);
+                           png_byte p = (png_byte)((*sp >> shift) & 0x03);
+                           png_byte g = (png_byte)((gamma_table [p | (p << 2) |
+                               (p << 4) | (p << 6)] >> 6) & 0x03);
+                           *sp &= (png_byte)((0x3f3f >> (6 - shift)) & 0xff);
+                           *sp |= (png_byte)(g << shift);
                         }
 
                         if (!shift)
@@ -3626,9 +3570,8 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
                         if ((png_uint_16)((*sp >> shift) & 0x03)
                             == png_ptr->trans_color.gray)
                         {
-                           unsigned int tmp = *sp & (0x3f3f >> (6 - shift));
-                           tmp |= png_ptr->background.gray << shift;
-                           *sp = (png_byte)(tmp & 0xff);
+                           *sp &= (png_byte)((0x3f3f >> (6 - shift)) & 0xff);
+                           *sp |= (png_byte)(png_ptr->background.gray << shift);
                         }
 
                         if (!shift)
@@ -3656,19 +3599,17 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
                         if ((png_uint_16)((*sp >> shift) & 0x0f)
                             == png_ptr->trans_color.gray)
                         {
-                           unsigned int tmp = *sp & (0xf0f >> (4 - shift));
-                           tmp |= png_ptr->background.gray << shift;
-                           *sp = (png_byte)(tmp & 0xff);
+                           *sp &= (png_byte)((0xf0f >> (4 - shift)) & 0xff);
+                           *sp |= (png_byte)(png_ptr->background.gray << shift);
                         }
 
                         else
                         {
-                           unsigned int p = (*sp >> shift) & 0x0f;
-                           unsigned int g = (gamma_table[p | (p << 4)] >> 4) &
-                              0x0f;
-                           unsigned int tmp = *sp & (0xf0f >> (4 - shift));
-                           tmp |= g << shift;
-                           *sp = (png_byte)(tmp & 0xff);
+                           png_byte p = (png_byte)((*sp >> shift) & 0x0f);
+                           png_byte g = (png_byte)((gamma_table[p |
+                               (p << 4)] >> 4) & 0x0f);
+                           *sp &= (png_byte)((0xf0f >> (4 - shift)) & 0xff);
+                           *sp |= (png_byte)(g << shift);
                         }
 
                         if (!shift)
@@ -3692,9 +3633,8 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
                         if ((png_uint_16)((*sp >> shift) & 0x0f)
                             == png_ptr->trans_color.gray)
                         {
-                           unsigned int tmp = *sp & (0xf0f >> (4 - shift));
-                           tmp |= png_ptr->background.gray << shift;
-                           *sp = (png_byte)(tmp & 0xff);
+                           *sp &= (png_byte)((0xf0f >> (4 - shift)) & 0xff);
+                           *sp |= (png_byte)(png_ptr->background.gray << shift);
                         }
 
                         if (!shift)
@@ -3753,10 +3693,8 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
                         if (v == png_ptr->trans_color.gray)
                         {
                            /* Background is already in screen gamma */
-                           *sp = (png_byte)((png_ptr->background.gray >> 8)
-                                & 0xff);
-                           *(sp + 1) = (png_byte)(png_ptr->background.gray
-                                & 0xff);
+                           *sp = (png_byte)((png_ptr->background.gray >> 8) & 0xff);
+                           *(sp + 1) = (png_byte)(png_ptr->background.gray & 0xff);
                         }
 
                         else
@@ -3779,10 +3717,8 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
 
                         if (v == png_ptr->trans_color.gray)
                         {
-                           *sp = (png_byte)((png_ptr->background.gray >> 8)
-                                & 0xff);
-                           *(sp + 1) = (png_byte)(png_ptr->background.gray
-                                & 0xff);
+                           *sp = (png_byte)((png_ptr->background.gray >> 8) & 0xff);
+                           *(sp + 1) = (png_byte)(png_ptr->background.gray & 0xff);
                         }
                      }
                   }
@@ -3862,12 +3798,9 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
                         /* Background is already in screen gamma */
                         *sp = (png_byte)((png_ptr->background.red >> 8) & 0xff);
                         *(sp + 1) = (png_byte)(png_ptr->background.red & 0xff);
-                        *(sp + 2) = (png_byte)((png_ptr->background.green >> 8)
-                                & 0xff);
-                        *(sp + 3) = (png_byte)(png_ptr->background.green
-                                & 0xff);
-                        *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8)
-                                & 0xff);
+                        *(sp + 2) = (png_byte)((png_ptr->background.green >> 8) & 0xff);
+                        *(sp + 3) = (png_byte)(png_ptr->background.green & 0xff);
+                        *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8) & 0xff);
                         *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff);
                      }
 
@@ -3908,12 +3841,9 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
                      {
                         *sp = (png_byte)((png_ptr->background.red >> 8) & 0xff);
                         *(sp + 1) = (png_byte)(png_ptr->background.red & 0xff);
-                        *(sp + 2) = (png_byte)((png_ptr->background.green >> 8)
-                                & 0xff);
-                        *(sp + 3) = (png_byte)(png_ptr->background.green
-                                & 0xff);
-                        *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8)
-                                & 0xff);
+                        *(sp + 2) = (png_byte)((png_ptr->background.green >> 8) & 0xff);
+                        *(sp + 3) = (png_byte)(png_ptr->background.green & 0xff);
+                        *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8) & 0xff);
                         *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff);
                      }
                   }
@@ -3996,8 +3926,7 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
                      else if (a == 0)
                      {
                         /* Background is already in screen gamma */
-                        *sp = (png_byte)((png_ptr->background.gray >> 8)
-                                & 0xff);
+                        *sp = (png_byte)((png_ptr->background.gray >> 8) & 0xff);
                         *(sp + 1) = (png_byte)(png_ptr->background.gray & 0xff);
                      }
 
@@ -4027,8 +3956,7 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
 
                      if (a == 0)
                      {
-                        *sp = (png_byte)((png_ptr->background.gray >> 8)
-                                & 0xff);
+                        *sp = (png_byte)((png_ptr->background.gray >> 8) & 0xff);
                         *(sp + 1) = (png_byte)(png_ptr->background.gray & 0xff);
                      }
 
@@ -4158,12 +4086,9 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
                         /* Background is already in screen gamma */
                         *sp = (png_byte)((png_ptr->background.red >> 8) & 0xff);
                         *(sp + 1) = (png_byte)(png_ptr->background.red & 0xff);
-                        *(sp + 2) = (png_byte)((png_ptr->background.green >> 8)
-                                & 0xff);
-                        *(sp + 3) = (png_byte)(png_ptr->background.green
-                                & 0xff);
-                        *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8)
-                                & 0xff);
+                        *(sp + 2) = (png_byte)((png_ptr->background.green >> 8) & 0xff);
+                        *(sp + 3) = (png_byte)(png_ptr->background.green & 0xff);
+                        *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8) & 0xff);
                         *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff);
                      }
 
@@ -4174,16 +4099,14 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
                         v = gamma_16_to_1[*(sp + 1) >> gamma_shift][*sp];
                         png_composite_16(w, v, a, png_ptr->background_1.red);
                         if (!optimize)
-                           w = gamma_16_from_1[((w&0xff) >> gamma_shift)][w >>
-                                8];
+                           w = gamma_16_from_1[((w&0xff) >> gamma_shift)][w >> 8];
                         *sp = (png_byte)((w >> 8) & 0xff);
                         *(sp + 1) = (png_byte)(w & 0xff);
 
                         v = gamma_16_to_1[*(sp + 3) >> gamma_shift][*(sp + 2)];
                         png_composite_16(w, v, a, png_ptr->background_1.green);
                         if (!optimize)
-                           w = gamma_16_from_1[((w&0xff) >> gamma_shift)][w >>
-                                8];
+                           w = gamma_16_from_1[((w&0xff) >> gamma_shift)][w >> 8];
 
                         *(sp + 2) = (png_byte)((w >> 8) & 0xff);
                         *(sp + 3) = (png_byte)(w & 0xff);
@@ -4191,8 +4114,7 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
                         v = gamma_16_to_1[*(sp + 5) >> gamma_shift][*(sp + 4)];
                         png_composite_16(w, v, a, png_ptr->background_1.blue);
                         if (!optimize)
-                           w = gamma_16_from_1[((w&0xff) >> gamma_shift)][w >>
-                                8];
+                           w = gamma_16_from_1[((w&0xff) >> gamma_shift)][w >> 8];
 
                         *(sp + 4) = (png_byte)((w >> 8) & 0xff);
                         *(sp + 5) = (png_byte)(w & 0xff);
@@ -4213,12 +4135,9 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
                      {
                         *sp = (png_byte)((png_ptr->background.red >> 8) & 0xff);
                         *(sp + 1) = (png_byte)(png_ptr->background.red & 0xff);
-                        *(sp + 2) = (png_byte)((png_ptr->background.green >> 8)
-                                & 0xff);
-                        *(sp + 3) = (png_byte)(png_ptr->background.green
-                                & 0xff);
-                        *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8)
-                                & 0xff);
+                        *(sp + 2) = (png_byte)((png_ptr->background.green >> 8) & 0xff);
+                        *(sp + 3) = (png_byte)(png_ptr->background.green & 0xff);
+                        *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8) & 0xff);
                         *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff);
                      }
 
@@ -4698,7 +4617,7 @@ png_do_expand(png_row_infop row_info, png_bytep row,
    {
       if (row_info->color_type == PNG_COLOR_TYPE_GRAY)
       {
-         unsigned int gray = trans_color ? trans_color->gray : 0;
+         png_uint_16 gray = (png_uint_16)(trans_color ? trans_color->gray : 0);
 
          if (row_info->bit_depth < 8)
          {
@@ -4706,7 +4625,7 @@ png_do_expand(png_row_infop row_info, png_bytep row,
             {
                case 1:
                {
-                  gray = (gray & 0x01) * 0xff;
+                  gray = (png_uint_16)((gray & 0x01) * 0xff);
                   sp = row + (png_size_t)((row_width - 1) >> 3);
                   dp = row + (png_size_t)row_width - 1;
                   shift = 7 - (int)((row_width + 7) & 0x07);
@@ -4734,7 +4653,7 @@ png_do_expand(png_row_infop row_info, png_bytep row,
 
                case 2:
                {
-                  gray = (gray & 0x03) * 0x55;
+                  gray = (png_uint_16)((gray & 0x03) * 0x55);
                   sp = row + (png_size_t)((row_width - 1) >> 2);
                   dp = row + (png_size_t)row_width - 1;
                   shift = (int)((3 - ((row_width + 3) & 0x03)) << 1);
@@ -4759,7 +4678,7 @@ png_do_expand(png_row_infop row_info, png_bytep row,
 
                case 4:
                {
-                  gray = (gray & 0x0f) * 0x11;
+                  gray = (png_uint_16)((gray & 0x0f) * 0x11);
                   sp = row + (png_size_t)((row_width - 1) >> 1);
                   dp = row + (png_size_t)row_width - 1;
                   shift = (int)((1 - ((row_width + 1) & 0x01)) << 2);
@@ -4812,8 +4731,8 @@ png_do_expand(png_row_infop row_info, png_bytep row,
 
             else if (row_info->bit_depth == 16)
             {
-               unsigned int gray_high = (gray >> 8) & 0xff;
-               unsigned int gray_low = gray & 0xff;
+               png_byte gray_high = (png_byte)((gray >> 8) & 0xff);
+               png_byte gray_low = (png_byte)(gray & 0xff);
                sp = row + row_info->rowbytes - 1;
                dp = row + (row_info->rowbytes << 1) - 1;
                for (i = 0; i < row_width; i++)

pngstruct.h

@@ -24,120 +24,7 @@
  * in this structure and is required for decompressing the LZ compressed
  * data in PNG files.
  */
-#ifndef ZLIB_CONST
-   /* We must ensure that zlib uses 'const' in declarations. */
-#  define ZLIB_CONST
-#endif
 #include "zlib.h"
-#ifdef const
-   /* zlib.h sometimes #defines const to nothing, undo this. */
-#  undef const
-#endif
-
-/* zlib.h has mediocre z_const use before 1.2.6, this stuff is for compatibility
- * with older builds.
- */
-#if ZLIB_VERNUM < 0x1260
-#  define PNGZ_MSG_CAST(s) png_constcast(char*,s)
-#  define PNGZ_INPUT_CAST(b) png_constcast(png_bytep,b)
-#else
-#  define PNGZ_MSG_CAST(s) (s)
-#  define PNGZ_INPUT_CAST(b) (b)
-#endif
-
-/* zlib.h declares a magic type 'uInt' that limits the amount of data that zlib
- * can handle at once.  This type need be no larger than 16 bits (so maximum of
- * 65535), this define allows us to discover how big it is, but limited by the
- * maximuum for png_size_t.  The value can be overriden in a library build
- * (pngusr.h, or set it in CPPFLAGS) and it works to set it to a considerably
- * lower value (e.g. 255 works).  A lower value may help memory usage (slightly)
- * and may even improve performance on some systems (and degrade it on others.)
- */
-#ifndef ZLIB_IO_MAX
-#  define ZLIB_IO_MAX ((uInt)-1)
-#endif
-
-#ifdef PNG_WRITE_SUPPORTED
-/* The type of a compression buffer list used by the write code. */
-typedef struct png_compression_buffer
-{
-   struct png_compression_buffer *next;
-   png_byte                       output[1]; /* actually zbuf_size */
-} png_compression_buffer, *png_compression_bufferp;
-
-#define PNG_COMPRESSION_BUFFER_SIZE(pp)\
-   (offsetof(png_compression_buffer, output) + (pp)->zbuffer_size)
-#endif
-
-/* Colorspace support; structures used in png_struct, png_info and in internal
- * functions to hold and communicate information about the color space.
- *
- * PNG_COLORSPACE_SUPPORTED is only required if the application will perform
- * colorspace corrections, otherwise all the colorspace information can be
- * skipped and the size of libpng can be reduced (significantly) by compiling
- * out the colorspace support.
- */
-#ifdef PNG_COLORSPACE_SUPPORTED
-/* The chromaticities of the red, green and blue colorants and the chromaticity
- * of the corresponding white point (i.e. of rgb(1.0,1.0,1.0)).
- */
-typedef struct png_xy
-{
-   png_fixed_point redx, redy;
-   png_fixed_point greenx, greeny;
-   png_fixed_point bluex, bluey;
-   png_fixed_point whitex, whitey;
-} png_xy;
-
-/* The same data as above but encoded as CIE XYZ values.  When this data comes
- * from chromaticities the sum of the Y values is assumed to be 1.0
- */
-typedef struct png_XYZ
-{
-   png_fixed_point red_X, red_Y, red_Z;
-   png_fixed_point green_X, green_Y, green_Z;
-   png_fixed_point blue_X, blue_Y, blue_Z;
-} png_XYZ;
-#endif /* COLORSPACE */
-
-#if defined PNG_COLORSPACE_SUPPORTED || defined PNG_GAMMA_SUPPORTED
-/* A colorspace is all the above plus, potentially, profile information,
- * however at present libpng does not use the profile internally so it is only
- * stored in the png_info struct (if iCCP is supported.)  The rendering intent
- * is retained here and is checked.
- *
- * The file gamma encoding information is also stored here and gamma correction
- * is done by libpng, whereas color correction must currently be done by the
- * application.
- */
-typedef struct png_colorspace
-{
-#ifdef PNG_GAMMA_SUPPORTED
-   png_fixed_point gamma;        /* File gamma */
-#endif
-
-#ifdef PNG_COLORSPACE_SUPPORTED
-   png_xy      end_points_xy;    /* End points as chromaticities */
-   png_XYZ     end_points_XYZ;   /* End points as CIE XYZ colorant values */
-   png_uint_16 rendering_intent; /* Rendering intent of a profile */
-#endif
-
-   /* Flags are always defined to simplify the code. */
-   png_uint_16 flags;            /* As defined below */
-} png_colorspace, * PNG_RESTRICT png_colorspacerp;
-
-typedef const png_colorspace * PNG_RESTRICT png_const_colorspacerp;
-
-#define PNG_COLORSPACE_HAVE_GAMMA           0x0001
-#define PNG_COLORSPACE_HAVE_ENDPOINTS       0x0002
-#define PNG_COLORSPACE_HAVE_INTENT          0x0004
-#define PNG_COLORSPACE_FROM_gAMA            0x0008
-#define PNG_COLORSPACE_FROM_cHRM            0x0010
-#define PNG_COLORSPACE_ENDPOINTS_MATCH_sRGB 0x0020
-#define PNG_COLORSPACE_MATCHES_sRGB         0x0040 /* exact match on profile */
-#define PNG_COLORSPACE_INVALID              0x8000
-#define PNG_COLORSPACE_CANCEL(flags)        (0xffff ^ (flags))
-#endif /* COLORSPACE || GAMMA */
 
 struct png_struct_def
 {
@@ -178,12 +65,22 @@ struct png_struct_def
    png_uint_32 flags;         /* flags indicating various things to libpng */
    png_uint_32 transformations; /* which transformations to perform */
 
-   png_uint_32 zowner;        /* ID (chunk type) of zstream owner, 0 if none */
-   z_stream    zstream;       /* decompression structure */
-
+   z_stream zstream;          /* pointer to decompression structure (below) */
+   png_bytep zbuf;            /* buffer for zlib */
+   uInt zbuf_size;            /* size of zbuf (typically 65536) */
 #ifdef PNG_WRITE_SUPPORTED
-   png_compression_bufferp zbuffer_list; /* Created on demand during write */
-   uInt                    zbuffer_size; /* size of the actual buffer */
+
+/* Added in 1.5.4: state to keep track of whether the zstream has been
+ * initialized and if so whether it is for IDAT or some other chunk.
+ */
+#define PNG_ZLIB_UNINITIALIZED 0
+#define PNG_ZLIB_FOR_IDAT      1
+#define PNG_ZLIB_FOR_TEXT      2 /* anything other than IDAT */
+#define PNG_ZLIB_USE_MASK      3 /* bottom two bits */
+#define PNG_ZLIB_IN_USE        4 /* a flag value */
+
+   png_uint_32 zlib_state;       /* State of zlib initialization */
+/* End of material added at libpng 1.5.4 */
 
    int zlib_level;            /* holds zlib compression level */
    int zlib_method;           /* holds zlib compression method */
@@ -192,7 +89,8 @@ struct png_struct_def
    int zlib_strategy;         /* holds zlib compression strategy */
 #endif
 /* Added at libpng 1.5.4 */
-#ifdef PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION_SUPPORTED
+#if defined(PNG_WRITE_COMPRESSED_TEXT_SUPPORTED) || \
+    defined(PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION_SUPPORTED)
    int zlib_text_level;            /* holds zlib compression level */
    int zlib_text_method;           /* holds zlib compression method */
    int zlib_text_window_bits;      /* holds zlib compression window bits */
@@ -200,14 +98,6 @@ struct png_struct_def
    int zlib_text_strategy;         /* holds zlib compression strategy */
 #endif
 /* End of material added at libpng 1.5.4 */
-/* Added at libpng 1.6.0 */
-#ifdef PNG_WRITE_SUPPORTED
-   int zlib_set_level;        /* Actual values set into the zstream on write */
-   int zlib_set_method;
-   int zlib_set_window_bits;
-   int zlib_set_mem_level;
-   int zlib_set_strategy;
-#endif
 
    png_uint_32 width;         /* width of image in pixels */
    png_uint_32 height;        /* height of image in pixels */
@@ -223,24 +113,16 @@ struct png_struct_def
    png_bytep row_buf;         /* buffer to save current (unfiltered) row.
                                * This is a pointer into big_row_buf
                                */
-#ifdef PNG_WRITE_SUPPORTED
    png_bytep sub_row;         /* buffer to save "sub" row when filtering */
    png_bytep up_row;          /* buffer to save "up" row when filtering */
    png_bytep avg_row;         /* buffer to save "avg" row when filtering */
    png_bytep paeth_row;       /* buffer to save "Paeth" row when filtering */
-#endif
    png_size_t info_rowbytes;  /* Added in 1.5.4: cache of updated row bytes */
 
    png_uint_32 idat_size;     /* current IDAT size for read */
    png_uint_32 crc;           /* current chunk CRC value */
    png_colorp palette;        /* palette from the input file */
    png_uint_16 num_palette;   /* number of color entries in palette */
-
-/* Added at libpng-1.5.10 */
-#ifdef PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED
-   int num_palette_max;       /* maximum palette index found in IDAT */
-#endif
-
    png_uint_16 num_trans;     /* number of transparency values */
    png_byte compression;      /* file compression type (always 0) */
    png_byte filter;           /* file filter type (always 0) */
@@ -252,14 +134,17 @@ struct png_struct_def
    png_byte usr_bit_depth;    /* bit depth of users row: write only */
    png_byte pixel_depth;      /* number of bits per pixel */
    png_byte channels;         /* number of channels in file */
-#ifdef PNG_WRITE_SUPPORTED
    png_byte usr_channels;     /* channels at start of write: write only */
-#endif
    png_byte sig_bytes;        /* magic bytes read/written from start of file */
    png_byte maximum_pixel_depth;
                               /* pixel depth used for the row buffers */
    png_byte transformed_pixel_depth;
                               /* pixel depth after read/write transforms */
+#if PNG_LIBPNG_VER < 10600
+   png_byte io_chunk_string[5];
+                              /* string name of chunk */
+#endif
+
 #if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED)
    png_uint_16 filler;           /* filler bytes for pixel expansion */
 #endif
@@ -282,6 +167,7 @@ struct png_struct_def
 
 #ifdef PNG_READ_GAMMA_SUPPORTED
    int gamma_shift;      /* number of "insignificant" bits in 16-bit gamma */
+   png_fixed_point gamma;        /* file gamma value */
    png_fixed_point screen_gamma; /* screen gamma value (display_exponent) */
 
    png_bytep gamma_table;     /* gamma table for 8-bit depth files */
@@ -329,6 +215,13 @@ struct png_struct_def
    int process_mode;                 /* what push library is currently doing */
    int cur_palette;                  /* current push library palette index */
 
+#  ifdef PNG_TEXT_SUPPORTED
+     png_size_t current_text_size;   /* current size of text input data */
+     png_size_t current_text_left;   /* how much text left to read in input */
+     png_charp current_text;         /* current text chunk buffer */
+     png_charp current_text_ptr;     /* current location in current_text */
+#  endif /* PNG_PROGRESSIVE_READ_SUPPORTED && PNG_TEXT_SUPPORTED */
+
 #endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
 
 #if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__)
@@ -356,7 +249,6 @@ struct png_struct_def
 #endif
 
 #if PNG_LIBPNG_VER < 10700
-/* To do: remove this from libpng-1.7 */
 #ifdef PNG_TIME_RFC1123_SUPPORTED
    char time_buffer[29]; /* String to hold RFC 1123 time text */
 #endif
@@ -368,16 +260,17 @@ struct png_struct_def
 
 #ifdef PNG_USER_CHUNKS_SUPPORTED
    png_voidp user_chunk_ptr;
-#ifdef PNG_READ_USER_CHUNKS_SUPPORTED
    png_user_chunk_ptr read_user_chunk_fn; /* user read chunk handler */
 #endif
+
+#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
+   unsigned int num_chunk_list;
+   png_bytep chunk_list;
 #endif
 
-#ifdef PNG_SET_UNKNOWN_CHUNKS_SUPPORTED
-   int          unknown_default; /* As PNG_HANDLE_* */
-   unsigned int num_chunk_list;  /* Number of entries in the list */
-   png_bytep    chunk_list;      /* List of png_byte[5]; the textual chunk name
-                                  * followed by a PNG_HANDLE_* byte */
+#ifdef PNG_READ_sRGB_SUPPORTED
+   /* Added in 1.5.5 to record an sRGB chunk in the png. */
+   png_byte is_sRGB;
 #endif
 
 /* New members added in libpng-1.0.3 */
@@ -392,7 +285,9 @@ struct png_struct_def
 #endif
 
 /* New member added in libpng-1.0.4 (renamed in 1.0.9) */
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
+#if defined(PNG_MNG_FEATURES_SUPPORTED) || \
+    defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \
+    defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED)
 /* Changed from png_byte to png_uint_32 at version 1.2.0 */
    png_uint_32 mng_features_permitted;
 #endif
@@ -442,24 +337,20 @@ struct png_struct_def
 #endif
 
 /* New member added in libpng-1.0.25 and 1.2.17 */
-#ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
+#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
    /* Temporary storage for unknown chunk that the library doesn't recognize,
     * used while reading the chunk.
     */
+#ifdef PNG_READ_SUPPORTED
    png_unknown_chunk unknown_chunk;
 #endif
+#endif
 
 /* New member added in libpng-1.2.26 */
   png_size_t old_big_row_buf_size;
 
-#ifdef PNG_READ_SUPPORTED
 /* New member added in libpng-1.2.30 */
-  png_bytep        read_buffer;      /* buffer for reading chunk data */
-  png_alloc_size_t read_buffer_size; /* current size of the buffer */
-#endif
-#ifdef PNG_SEQUENTIAL_READ_SUPPORTED
-  uInt             IDAT_read_size;   /* limit on read buffer size for IDAT */
-#endif
+  png_charp chunkdata;  /* buffer for reading chunk data */
 
 #ifdef PNG_IO_STATE_SUPPORTED
 /* New member added in libpng-1.4.0 */
@@ -471,11 +362,5 @@ struct png_struct_def
 
    void (*read_filter[PNG_FILTER_VALUE_LAST-1])(png_row_infop row_info,
       png_bytep row, png_const_bytep prev_row);
-
-#ifdef PNG_READ_SUPPORTED
-#if defined PNG_COLORSPACE_SUPPORTED || defined PNG_GAMMA_SUPPORTED
-   png_colorspace   colorspace;
-#endif
-#endif
 };
 #endif /* PNGSTRUCT_H */

pngtest.c

@@ -33,23 +33,16 @@
 
 #define _POSIX_SOURCE 1
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-/* Defined so I can write to a file on gui/windowing platforms */
-/*  #define STDERR stderr  */
-#define STDERR stdout   /* For DOS */
-
-#include "png.h"
-
-#ifdef PNG_READ_SUPPORTED /* else nothing can be done */
 #include "zlib.h"
+#include "png.h"
 /* Copied from pngpriv.h but only used in error messages below. */
 #ifndef PNG_ZBUF_SIZE
 #  define PNG_ZBUF_SIZE 8192
 #endif
-#define FCLOSE(file) fclose(file)
+#  include <stdio.h>
+#  include <stdlib.h>
+#  include <string.h>
+#  define FCLOSE(file) fclose(file)
 
 #ifndef PNG_STDIO_SUPPORTED
 typedef FILE                * png_FILE_p;
@@ -95,36 +88,30 @@ static char tIME_string[PNG_tIME_STRING_LENGTH] = "tIME chunk is not present";
 
 static int verbose = 0;
 static int strict = 0;
-static int unsupported_chunks = 0; /* chunk unsupported by libpng in input */
-static int error_count = 0; /* count calls to png_error */
-static int warning_count = 0; /* count calls to png_warning */
+
+int test_one_file PNGARG((PNG_CONST char *inname, PNG_CONST char *outname));
 
 #ifdef __TURBOC__
 #include <mem.h>
 #endif
 
+/* Defined so I can write to a file on gui/windowing platforms */
+/*  #define STDERR stderr  */
+#define STDERR stdout   /* For DOS */
+
 /* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */
 #ifndef png_jmpbuf
 #  define png_jmpbuf(png_ptr) png_ptr->jmpbuf
 #endif
 
-/* Defines for unknown chunk handling if required. */
-#ifndef PNG_HANDLE_CHUNK_ALWAYS
-#  define PNG_HANDLE_CHUNK_ALWAYS       3
-#endif
-#ifndef PNG_HANDLE_CHUNK_IF_SAFE
-#  define PNG_HANDLE_CHUNK_IF_SAFE      2
-#endif
-
-/* Utility to save typing/errors, the argument must be a name */
-#define MEMZERO(var) ((void)memset(&var, 0, sizeof var))
-
 /* Example of using row callbacks to make a simple progress meter */
 static int status_pass = 1;
 static int status_dots_requested = 0;
 static int status_dots = 1;
 
-static void PNGCBAPI
+void PNGCBAPI
+read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass);
+void PNGCBAPI
 read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass)
 {
    if (png_ptr == NULL || row_number > PNG_UINT_31_MAX)
@@ -148,8 +135,9 @@ read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass)
    fprintf(stdout, "r");
 }
 
-#ifdef PNG_WRITE_SUPPORTED
-static void PNGCBAPI
+void PNGCBAPI
+write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass);
+void PNGCBAPI
 write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass)
 {
    if (png_ptr == NULL || row_number > PNG_UINT_31_MAX || pass > 7)
@@ -157,7 +145,6 @@ write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass)
 
    fprintf(stdout, "w");
 }
-#endif
 
 
 #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
@@ -166,7 +153,9 @@ write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass)
  * 5 in case illegal filter values are present.)
  */
 static png_uint_32 filters_used[256];
-static void PNGCBAPI
+void PNGCBAPI
+count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data);
+void PNGCBAPI
 count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data)
 {
    if (png_ptr != NULL && row_info != NULL)
@@ -181,7 +170,9 @@ count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data)
 
 static png_uint_32 zero_samples;
 
-static void PNGCBAPI
+void PNGCBAPI
+count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data);
+void PNGCBAPI
 count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data)
 {
    png_bytep dp = data;
@@ -288,6 +279,8 @@ count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data)
 }
 #endif /* PNG_WRITE_USER_TRANSFORM_SUPPORTED */
 
+static int wrote_question = 0;
+
 #ifndef PNG_STDIO_SUPPORTED
 /* START of code to validate stdio-free compilation */
 /* These copies of the default read/write functions come from pngrio.c and
@@ -408,8 +401,6 @@ pngtest_warning(png_structp png_ptr, png_const_charp message)
    char *test;
    test = png_get_error_ptr(png_ptr);
 
-   ++warning_count;
-
    if (test == NULL)
      fprintf(STDERR, "%s: libpng warning: %s\n", name, message);
 
@@ -425,8 +416,6 @@ pngtest_warning(png_structp png_ptr, png_const_charp message)
 static void PNGCBAPI
 pngtest_error(png_structp png_ptr, png_const_charp message)
 {
-   ++error_count;
-
    pngtest_warning(png_ptr, message);
    /* We can return because png_error calls the default handler, which is
     * actually OK in this case.
@@ -483,7 +472,7 @@ PNGCBAPI png_debug_malloc(png_structp png_ptr, png_alloc_size_t size)
       memory_infop pinfo;
       png_set_mem_fn(png_ptr, NULL, NULL, NULL);
       pinfo = (memory_infop)png_malloc(png_ptr,
-         (sizeof *pinfo));
+         png_sizeof(*pinfo));
       pinfo->size = size;
       current_allocation += size;
       total_allocation += size;
@@ -577,73 +566,25 @@ png_debug_free(png_structp png_ptr, png_voidp ptr)
 /* END of code to test memory allocation/deallocation */
 
 
-#ifdef PNG_READ_USER_CHUNKS_SUPPORTED
 /* Demonstration of user chunk support of the sTER and vpAg chunks */
+#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
 
 /* (sTER is a public chunk not yet known by libpng.  vpAg is a private
 chunk used in ImageMagick to store "virtual page" size).  */
 
-static struct user_chunk_data
-{
-   png_const_infop info_ptr;
-   png_uint_32     vpAg_width, vpAg_height;
-   png_byte        vpAg_units;
-   png_byte        sTER_mode;
-   int             location[2];
-}
-user_chunk_data;
+static png_uint_32 user_chunk_data[4];
 
-/* Used for location and order; zero means nothing. */
-#define have_sTER   0x01
-#define have_vpAg   0x02
-#define before_PLTE 0x10
-#define before_IDAT 0x20
-#define after_IDAT  0x40
-
-static void
-init_callback_info(png_const_infop info_ptr)
-{
-   MEMZERO(user_chunk_data);
-   user_chunk_data.info_ptr = info_ptr;
-}
-
-static int
-set_location(png_structp png_ptr, struct user_chunk_data *data, int what)
-{
-   int location;
-
-   if ((data->location[0] & what) || (data->location[1] & what))
-      return 0; /* already have one of these */
-
-   /* Find where we are (the code below zeros info_ptr to indicate that the
-    * chunks before the first IDAT have been read.)
-    */
-   if (data->info_ptr == NULL) /* after IDAT */
-      location = what | after_IDAT;
-
-   else if (png_get_valid(png_ptr, data->info_ptr, PNG_INFO_PLTE))
-      location = what | before_IDAT;
-
-   else
-      location = what | before_PLTE;
-
-   if (data->location[0] == 0)
-      data->location[0] = location;
-
-   else
-      data->location[1] = location;
-
-   return 1; /* handled */
-}
+    /* 0: sTER mode + 1
+     * 1: vpAg width
+     * 2: vpAg height
+     * 3: vpAg units
+     */
 
 static int PNGCBAPI read_user_chunk_callback(png_struct *png_ptr,
    png_unknown_chunkp chunk)
 {
-   struct user_chunk_data *my_user_chunk_data =
-      (struct user_chunk_data*)png_get_user_chunk_ptr(png_ptr);
-
-   if (my_user_chunk_data == NULL)
-      png_error(png_ptr, "lost user chunk pointer");
+   png_uint_32
+     *my_user_chunk_data;
 
    /* Return one of the following:
     *    return (-n);  chunk had an error
@@ -668,14 +609,9 @@ static int PNGCBAPI read_user_chunk_callback(png_struct *png_ptr,
          if (chunk->data[0] != 0 && chunk->data[0] != 1)
             return (-1);  /* Invalid mode */
 
-         if (set_location(png_ptr, my_user_chunk_data, have_sTER))
-         {
-            my_user_chunk_data->sTER_mode=chunk->data[0];
-            return (1);
-         }
-
-         else
-            return (0); /* duplicate sTER - give it to libpng */
+         my_user_chunk_data=(png_uint_32 *) png_get_user_chunk_ptr(png_ptr);
+         my_user_chunk_data[0]=chunk->data[0]+1;
+         return (1);
       }
 
    if (chunk->name[0] != 118 || chunk->name[1] != 112 ||    /* v  p */
@@ -687,114 +623,20 @@ static int PNGCBAPI read_user_chunk_callback(png_struct *png_ptr,
    if (chunk->size != 9)
       return (-1); /* Error return */
 
-   if (!set_location(png_ptr, my_user_chunk_data, have_vpAg))
-      return (0);  /* duplicate vpAg */
+   my_user_chunk_data=(png_uint_32 *) png_get_user_chunk_ptr(png_ptr);
 
-   my_user_chunk_data->vpAg_width = png_get_uint_31(png_ptr, chunk->data);
-   my_user_chunk_data->vpAg_height = png_get_uint_31(png_ptr, chunk->data + 4);
-   my_user_chunk_data->vpAg_units = chunk->data[8];
+   my_user_chunk_data[1]=png_get_uint_31(png_ptr, chunk->data);
+   my_user_chunk_data[2]=png_get_uint_31(png_ptr, chunk->data + 4);
+   my_user_chunk_data[3]=(png_uint_32)chunk->data[8];
 
    return (1);
+
 }
-
-#ifdef PNG_WRITE_SUPPORTED
-static void
-write_sTER_chunk(png_structp write_ptr)
-{
-   png_byte png_sTER[5] = {115,  84,  69,  82, '\0'};
-
-   if (verbose)
-      fprintf(STDERR, "\n stereo mode = %d\n", user_chunk_data.sTER_mode);
-
-   png_write_chunk(write_ptr, png_sTER, &user_chunk_data.sTER_mode, 1);
-}
-
-static void
-write_vpAg_chunk(png_structp write_ptr)
-{
-   png_byte png_vpAg[5] = {118, 112,  65, 103, '\0'};
-
-   png_byte vpag_chunk_data[9];
-
-   if (verbose)
-      fprintf(STDERR, " vpAg = %lu x %lu, units = %d\n",
-        (unsigned long)user_chunk_data.vpAg_width,
-        (unsigned long)user_chunk_data.vpAg_height,
-        user_chunk_data.vpAg_units);
-
-   png_save_uint_32(vpag_chunk_data, user_chunk_data.vpAg_width);
-   png_save_uint_32(vpag_chunk_data + 4, user_chunk_data.vpAg_height);
-   vpag_chunk_data[8] = user_chunk_data.vpAg_units;
-   png_write_chunk(write_ptr, png_vpAg, vpag_chunk_data, 9);
-}
-
-static void
-write_chunks(png_structp write_ptr, int location)
-{
-   int i;
-
-   /* Notice that this preserves the original chunk order, however chunks
-    * intercepted by the callback will be written *after* chunks passed to
-    * libpng.  This will actually reverse a pair of sTER chunks or a pair of
-    * vpAg chunks, resulting in an error later.  This is not worth worrying
-    * about - the chunks should not be duplicated!
-    */
-   for (i=0; i<2; ++i)
-   {
-      if (user_chunk_data.location[i] == (location | have_sTER))
-         write_sTER_chunk(write_ptr);
-
-      else if (user_chunk_data.location[i] == (location | have_vpAg))
-         write_vpAg_chunk(write_ptr);
-   }
-}
-#endif /* PNG_WRITE_SUPPORTED */
-#else /* !PNG_READ_USER_CHUNKS_SUPPORTED */
-#  define write_chunks(pp,loc) ((void)0)
 #endif
 /* END of code to demonstrate user chunk support */
 
-/* START of code to check that libpng has the required text support; this only
- * checks for the write support because if read support is missing the chunk
- * will simply not be reported back to pngtest.
- */
-#ifdef PNG_TEXT_SUPPORTED
-static void
-pngtest_check_text_support(png_const_structp png_ptr, png_textp text_ptr,
-   int num_text)
-{
-   while (num_text > 0)
-   {
-      switch (text_ptr[--num_text].compression)
-      {
-         case PNG_TEXT_COMPRESSION_NONE:
-            break;
-
-         case PNG_TEXT_COMPRESSION_zTXt:
-#           ifndef PNG_WRITE_zTXt_SUPPORTED
-               ++unsupported_chunks;
-#           endif
-            break;
-
-         case PNG_ITXT_COMPRESSION_NONE:
-         case PNG_ITXT_COMPRESSION_zTXt:
-#           ifndef PNG_WRITE_iTXt_SUPPORTED
-               ++unsupported_chunks;
-#           endif
-            break;
-
-         default:
-            /* This is an error */
-            png_error(png_ptr, "invalid text chunk compression field");
-            break;
-      }
-   }
-}
-#endif
-/* END of code to check that libpng has the required text support */
-
 /* Test one file */
-static int
+int
 test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
 {
    static png_FILE_p fpin;
@@ -816,6 +658,8 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
    int num_pass, pass;
    int bit_depth, color_type;
 
+   char inbuf[256], outbuf[256];
+
    row_buf = NULL;
 
    if ((fpin = fopen(inname, "rb")) == NULL)
@@ -845,6 +689,15 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
        pngtest_warning);
 #endif
 
+#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
+   user_chunk_data[0] = 0;
+   user_chunk_data[1] = 0;
+   user_chunk_data[2] = 0;
+   user_chunk_data[3] = 0;
+   png_set_read_user_chunk_fn(read_ptr, user_chunk_data,
+     read_user_chunk_callback);
+
+#endif
 #ifdef PNG_WRITE_SUPPORTED
 #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
    write_ptr =
@@ -867,12 +720,6 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
    write_end_info_ptr = png_create_info_struct(write_ptr);
 #endif
 
-#ifdef PNG_READ_USER_CHUNKS_SUPPORTED
-   init_callback_info(read_info_ptr);
-   png_set_read_user_chunk_fn(read_ptr, &user_chunk_data,
-     read_user_chunk_callback);
-#endif
-
 #ifdef PNG_SETJMP_SUPPORTED
    pngtest_debug("Setting jmpbuf for read struct");
    if (setjmp(png_jmpbuf(read_ptr)))
@@ -908,19 +755,6 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
 #endif
 #endif
 
-   if (strict)
-   {
-      /* Treat png_benign_error() as errors on read */
-      png_set_benign_errors(read_ptr, 0);
-
-#ifdef PNG_WRITE_SUPPORTED
-      /* Treat them as errors on write */
-      png_set_benign_errors(write_ptr, 0);
-#endif
-
-      /* if strict is not set, then both are treated as warnings. */
-   }
-
    pngtest_debug("Initializing input and output streams");
 #ifdef PNG_STDIO_SUPPORTED
    png_init_io(read_ptr, fpin);
@@ -978,37 +812,24 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
    png_set_write_user_transform_fn(write_ptr, count_zero_samples);
 #endif
 
-#ifdef PNG_SET_UNKNOWN_CHUNKS_SUPPORTED
-   /* Preserve all the unknown chunks, if possible.  If this is disabled then,
-    * even if the png_{get,set}_unknown_chunks stuff is enabled, we can't use
-    * libpng to *save* the unknown chunks on read (because we can't switch the
-    * save option on!)
-    *
-    * Notice that if SET_UNKNOWN_CHUNKS is *not* supported read will discard all
-    * unknown chunks and write will write them all.
-    */
-#ifdef PNG_SAVE_UNKNOWN_CHUNKS_SUPPORTED
+#ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
+#  ifndef PNG_HANDLE_CHUNK_ALWAYS
+#    define PNG_HANDLE_CHUNK_ALWAYS       3
+#  endif
    png_set_keep_unknown_chunks(read_ptr, PNG_HANDLE_CHUNK_ALWAYS,
       NULL, 0);
 #endif
 #ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
-   png_set_keep_unknown_chunks(write_ptr, PNG_HANDLE_CHUNK_ALWAYS,
+#  ifndef PNG_HANDLE_CHUNK_IF_SAFE
+#    define PNG_HANDLE_CHUNK_IF_SAFE      2
+#  endif
+   png_set_keep_unknown_chunks(write_ptr, PNG_HANDLE_CHUNK_IF_SAFE,
       NULL, 0);
-#endif
 #endif
 
    pngtest_debug("Reading info struct");
    png_read_info(read_ptr, read_info_ptr);
 
-#ifdef PNG_READ_USER_CHUNKS_SUPPORTED
-   /* This is a bit of a hack; there is no obvious way in the callback function
-    * to determine that the chunks before the first IDAT have been read, so
-    * remove the info_ptr (which is only used to determine position relative to
-    * PLTE) here to indicate that we are after the IDAT.
-    */
-   user_chunk_data.info_ptr = NULL;
-#endif
-
    pngtest_debug("Transferring info struct");
    {
       int interlace_type, compression_type, filter_type;
@@ -1200,19 +1021,8 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
       {
          pngtest_debug1("Handling %d iTXt/tEXt/zTXt chunks", num_text);
 
-         pngtest_check_text_support(read_ptr, text_ptr, num_text);
-
          if (verbose)
-         {
-            int i;
-
-            printf("\n");
-            for (i=0; i<num_text; i++)
-            {
-               printf("   Text compression[%d]=%d\n",
-                     i, text_ptr[i].compression);
-            }
-         }
+            printf("\nText compression=%d\n", text_ptr->compression);
 
          png_set_text(write_ptr, write_info_ptr, text_ptr, num_text);
       }
@@ -1227,13 +1037,10 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
          png_set_tIME(write_ptr, write_info_ptr, mod_time);
 #ifdef PNG_TIME_RFC1123_SUPPORTED
          if (png_convert_to_rfc1123_buffer(tIME_string, mod_time))
-            tIME_string[(sizeof tIME_string) - 1] = '\0';
+            tIME_string[png_sizeof(tIME_string) - 1] = '\0';
 
          else
-         {
-            strncpy(tIME_string, "*** invalid time ***", (sizeof tIME_string));
-            tIME_string[(sizeof tIME_string) - 1] = '\0';
-         }
+            strcpy(tIME_string, "*** invalid time ***");
 
          tIME_chunk_present++;
 #endif /* PNG_TIME_RFC1123_SUPPORTED */
@@ -1270,20 +1077,16 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
 
       if (num_unknowns)
       {
+         int i;
          png_set_unknown_chunks(write_ptr, write_info_ptr, unknowns,
            num_unknowns);
-#if PNG_LIBPNG_VER < 10600
          /* Copy the locations from the read_info_ptr.  The automatically
-          * generated locations in write_end_info_ptr are wrong prior to 1.6.0
-          * because they are reset from the write pointer (removed in 1.6.0).
+          * generated locations in write_info_ptr are wrong because we
+          * haven't written anything yet.
           */
-         {
-            int i;
-            for (i = 0; i < num_unknowns; i++)
-              png_set_unknown_chunk_location(write_ptr, write_info_ptr, i,
-                unknowns[i].location);
-         }
-#endif
+         for (i = 0; i < num_unknowns; i++)
+           png_set_unknown_chunk_location(write_ptr, write_info_ptr, i,
+             unknowns[i].location);
       }
    }
 #endif
@@ -1291,16 +1094,47 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
 #ifdef PNG_WRITE_SUPPORTED
    pngtest_debug("Writing info struct");
 
-   /* Write the info in two steps so that if we write the 'unknown' chunks here
-    * they go to the correct place.
-    */
-   png_write_info_before_PLTE(write_ptr, write_info_ptr);
-
-   write_chunks(write_ptr, before_PLTE); /* before PLTE */
-
+/* If we wanted, we could write info in two steps:
+ * png_write_info_before_PLTE(write_ptr, write_info_ptr);
+ */
    png_write_info(write_ptr, write_info_ptr);
 
-   write_chunks(write_ptr, before_IDAT); /* after PLTE */
+#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
+   if (user_chunk_data[0] != 0)
+   {
+      png_byte png_sTER[5] = {115,  84,  69,  82, '\0'};
+
+      unsigned char
+        ster_chunk_data[1];
+
+      if (verbose)
+         fprintf(STDERR, "\n stereo mode = %lu\n",
+           (unsigned long)(user_chunk_data[0] - 1));
+
+      ster_chunk_data[0]=(unsigned char)(user_chunk_data[0] - 1);
+      png_write_chunk(write_ptr, png_sTER, ster_chunk_data, 1);
+   }
+
+   if (user_chunk_data[1] != 0 || user_chunk_data[2] != 0)
+   {
+      png_byte png_vpAg[5] = {118, 112,  65, 103, '\0'};
+
+      unsigned char
+        vpag_chunk_data[9];
+
+      if (verbose)
+         fprintf(STDERR, " vpAg = %lu x %lu, units = %lu\n",
+           (unsigned long)user_chunk_data[1],
+           (unsigned long)user_chunk_data[2],
+           (unsigned long)user_chunk_data[3]);
+
+      png_save_uint_32(vpag_chunk_data, user_chunk_data[1]);
+      png_save_uint_32(vpag_chunk_data + 4, user_chunk_data[2]);
+      vpag_chunk_data[8] = (unsigned char)(user_chunk_data[3] & 0xff);
+      png_write_chunk(write_ptr, png_vpAg, vpag_chunk_data, 9);
+   }
+
+#endif
 #endif
 
 #ifdef SINGLE_ROWBUF_ALLOC
@@ -1383,21 +1217,6 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
       if (png_get_text(read_ptr, end_info_ptr, &text_ptr, &num_text) > 0)
       {
          pngtest_debug1("Handling %d iTXt/tEXt/zTXt chunks", num_text);
-
-         pngtest_check_text_support(read_ptr, text_ptr, num_text);
-
-         if (verbose)
-         {
-            int i;
-
-            printf("\n");
-            for (i=0; i<num_text; i++)
-            {
-               printf("   Text compression[%d]=%d\n",
-                     i, text_ptr[i].compression);
-            }
-         }
-
          png_set_text(write_ptr, write_end_info_ptr, text_ptr, num_text);
       }
    }
@@ -1411,13 +1230,10 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
          png_set_tIME(write_ptr, write_end_info_ptr, mod_time);
 #ifdef PNG_TIME_RFC1123_SUPPORTED
          if (png_convert_to_rfc1123_buffer(tIME_string, mod_time))
-            tIME_string[(sizeof tIME_string) - 1] = '\0';
+            tIME_string[png_sizeof(tIME_string) - 1] = '\0';
 
          else
-         {
-            strncpy(tIME_string, "*** invalid time ***", sizeof tIME_string);
-            tIME_string[(sizeof tIME_string)-1] = '\0';
-         }
+            strcpy(tIME_string, "*** invalid time ***");
 
          tIME_chunk_present++;
 #endif /* PNG_TIME_RFC1123_SUPPORTED */
@@ -1432,32 +1248,20 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
 
       if (num_unknowns)
       {
+         int i;
          png_set_unknown_chunks(write_ptr, write_end_info_ptr, unknowns,
            num_unknowns);
-#if PNG_LIBPNG_VER < 10600
          /* Copy the locations from the read_info_ptr.  The automatically
-          * generated locations in write_end_info_ptr are wrong prior to 1.6.0
-          * because they are reset from the write pointer (removed in 1.6.0).
+          * generated locations in write_end_info_ptr are wrong because we
+          * haven't written the end_info yet.
           */
-         {
-            int i;
-            for (i = 0; i < num_unknowns; i++)
-              png_set_unknown_chunk_location(write_ptr, write_end_info_ptr, i,
-                unknowns[i].location);
-         }
-#endif
+         for (i = 0; i < num_unknowns; i++)
+           png_set_unknown_chunk_location(write_ptr, write_end_info_ptr, i,
+             unknowns[i].location);
       }
    }
 #endif
-
 #ifdef PNG_WRITE_SUPPORTED
-   /* When the unknown vpAg/sTER chunks are written by pngtest the only way to
-    * do it is to write them *before* calling png_write_end.  When unknown
-    * chunks are written by libpng, however, they are written just before IEND.     * There seems to be no way round this, however vpAg/sTER are not expected
-    * after IDAT.
-    */
-   write_chunks(write_ptr, after_IDAT);
-
    png_write_end(write_ptr, write_end_info_ptr);
 #endif
 
@@ -1491,40 +1295,6 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
    FCLOSE(fpin);
    FCLOSE(fpout);
 
-   /* Summarize any warnings or errors and in 'strict' mode fail the test.
-    * Unsupported chunks can result in warnings, in that case ignore the strict
-    * setting, otherwise fail the test on warnings as well as errors.
-    */
-   if (error_count > 0)
-   {
-      /* We don't really expect to get here because of the setjmp handling
-       * above, but this is safe.
-       */
-      fprintf(STDERR, "\n  %s: %d libpng errors found (%d warnings)",
-         inname, error_count, warning_count);
-
-      if (strict != 0)
-         return (1);
-   }
-
-#  ifdef PNG_WRITE_SUPPORTED
-      /* If there we no write support nothing was written! */
-      else if (unsupported_chunks > 0)
-      {
-         fprintf(STDERR, "\n  %s: unsupported chunks (%d)%s",
-            inname, unsupported_chunks, strict ? ": IGNORED --strict!" : "");
-      }
-#  endif
-
-   else if (warning_count > 0)
-   {
-      fprintf(STDERR, "\n  %s: %d libpng warnings found",
-         inname, warning_count);
-
-      if (strict != 0)
-         return (1);
-   }
-
    pngtest_debug("Opening files for comparison");
    if ((fpin = fopen(inname, "rb")) == NULL)
    {
@@ -1539,85 +1309,71 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
       return (1);
    }
 
-#ifdef PNG_WRITE_SUPPORTED /* else nothing was written */
+   for (;;)
    {
-      int wrote_question = 0;
+      png_size_t num_in, num_out;
 
-      for (;;)
+         num_in = fread(inbuf, 1, 1, fpin);
+         num_out = fread(outbuf, 1, 1, fpout);
+
+      if (num_in != num_out)
       {
-         png_size_t num_in, num_out;
-         char inbuf[256], outbuf[256];
+         fprintf(STDERR, "\nFiles %s and %s are of a different size\n",
+                 inname, outname);
 
-
-         num_in = fread(inbuf, 1, sizeof inbuf, fpin);
-         num_out = fread(outbuf, 1, sizeof outbuf, fpout);
-
-         if (num_in != num_out)
+         if (wrote_question == 0)
          {
-            fprintf(STDERR, "\nFiles %s and %s are of a different size\n",
-                    inname, outname);
+            fprintf(STDERR,
+         "   Was %s written with the same maximum IDAT chunk size (%d bytes),",
+              inname, PNG_ZBUF_SIZE);
+            fprintf(STDERR,
+              "\n   filtering heuristic (libpng default), compression");
+            fprintf(STDERR,
+              " level (zlib default),\n   and zlib version (%s)?\n\n",
+              ZLIB_VERSION);
+            wrote_question = 1;
+         }
 
-            if (wrote_question == 0 && unsupported_chunks == 0)
-            {
-               fprintf(STDERR,
+         FCLOSE(fpin);
+         FCLOSE(fpout);
+
+         if (strict != 0)
+           return (1);
+
+         else
+           return (0);
+      }
+
+      if (!num_in)
+         break;
+
+      if (memcmp(inbuf, outbuf, num_in))
+      {
+         fprintf(STDERR, "\nFiles %s and %s are different\n", inname, outname);
+
+         if (wrote_question == 0)
+         {
+            fprintf(STDERR,
          "   Was %s written with the same maximum IDAT chunk size (%d bytes),",
                  inname, PNG_ZBUF_SIZE);
-               fprintf(STDERR,
-                 "\n   filtering heuristic (libpng default), compression");
-               fprintf(STDERR,
-                 " level (zlib default),\n   and zlib version (%s)?\n\n",
-                 ZLIB_VERSION);
-               wrote_question = 1;
-            }
-
-            FCLOSE(fpin);
-            FCLOSE(fpout);
-
-            if (strict != 0 && unsupported_chunks == 0)
-              return (1);
-
-            else
-              return (0);
+            fprintf(STDERR,
+              "\n   filtering heuristic (libpng default), compression");
+            fprintf(STDERR,
+              " level (zlib default),\n   and zlib version (%s)?\n\n",
+              ZLIB_VERSION);
+            wrote_question = 1;
          }
 
-         if (!num_in)
-            break;
+         FCLOSE(fpin);
+         FCLOSE(fpout);
 
-         if (memcmp(inbuf, outbuf, num_in))
-         {
-            fprintf(STDERR, "\nFiles %s and %s are different\n", inname,
-               outname);
+         if (strict != 0)
+           return (1);
 
-            if (wrote_question == 0 && unsupported_chunks == 0)
-            {
-               fprintf(STDERR,
-         "   Was %s written with the same maximum IDAT chunk size (%d bytes),",
-                    inname, PNG_ZBUF_SIZE);
-               fprintf(STDERR,
-                 "\n   filtering heuristic (libpng default), compression");
-               fprintf(STDERR,
-                 " level (zlib default),\n   and zlib version (%s)?\n\n",
-                 ZLIB_VERSION);
-               wrote_question = 1;
-            }
-
-            FCLOSE(fpin);
-            FCLOSE(fpout);
-
-            /* NOTE: the unsupported_chunks escape is permitted here because
-             * unsupported text chunk compression will result in the compression
-             * mode being changed (to NONE) yet, in the test case, the result
-             * can be exactly the same size!
-             */
-            if (strict != 0 && unsupported_chunks == 0)
-              return (1);
-
-            else
-              return (0);
-         }
+         else
+           return (0);
       }
    }
-#endif /* PNG_WRITE_SUPPORTED */
 
    FCLOSE(fpin);
    FCLOSE(fpout);
@@ -1911,15 +1667,6 @@ main(int argc, char *argv[])
 
    return (int)(ierror != 0);
 }
-#else
-int
-main(void)
-{
-   fprintf(STDERR,
-      " test ignored because libpng was not built with read support\n");
-   return 0;
-}
-#endif
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef png_libpng_version_1_6_0beta28 Your_png_h_is_not_version_1_6_0beta28;
+typedef png_libpng_version_1_6_0beta05 Your_png_h_is_not_version_1_6_0beta05;

pngtrans.c

@@ -122,79 +122,32 @@ png_set_filler(png_structrp png_ptr, png_uint_32 filler, int filler_loc)
    if (png_ptr == NULL)
       return;
 
-   /* In libpng 1.6 it is possible to determine whether this is a read or write
-    * operation and therefore to do more checking here for a valid call.
-    */
-   if (png_ptr->mode & PNG_IS_READ_STRUCT)
-   {
-#     ifdef PNG_READ_FILLER_SUPPORTED
-         /* On read png_set_filler is always valid, regardless of the base PNG
-          * format, because other transformations can give a format where the
-          * filler code can execute (basically an 8 or 16-bit component RGB or G
-          * format.)
-          *
-          * NOTE: usr_channels is not used by the read code!  (This has led to
-          * confusion in the past.)  The filler is only used in the read code.
-          */
-         png_ptr->filler = (png_uint_16)filler;
-#     else
-         png_app_error(png_ptr, "png_set_filler not supported on read");
-         PNG_UNUSED(filler) /* not used in the write case */
-         return;
-#     endif
-   }
-
-   else /* write */
-   {
-#     ifdef PNG_WRITE_FILLER_SUPPORTED
-         /* On write the usr_channels parameter must be set correctly at the
-          * start to record the number of channels in the app-supplied data.
-          */
-         switch (png_ptr->color_type)
-         {
-            case PNG_COLOR_TYPE_RGB:
-               png_ptr->usr_channels = 4;
-               break;
-
-            case PNG_COLOR_TYPE_GRAY:
-               if (png_ptr->bit_depth >= 8)
-               {
-                  png_ptr->usr_channels = 2;
-                  break;
-               }
-
-               else
-               {
-                  /* There simply isn't any code in libpng to strip out bits
-                   * from bytes when the components are less than a byte in
-                   * size!
-                   */
-                  png_app_error(png_ptr,
-                     "png_set_filler is invalid for low bit depth gray output");
-                  return;
-               }
-
-            default:
-               png_app_error(png_ptr,
-                  "png_set_filler: inappropriate color type");
-               return;
-         }
-#     else
-         png_app_error(png_ptr, "png_set_filler not supported on write");
-         return;
-#     endif
-   }
-
-   /* Here on success - libpng supports the operation, set the transformation
-    * and the flag to say where the filler channel is.
-    */
    png_ptr->transformations |= PNG_FILLER;
+   png_ptr->filler = (png_uint_16)filler;
 
    if (filler_loc == PNG_FILLER_AFTER)
       png_ptr->flags |= PNG_FLAG_FILLER_AFTER;
 
    else
       png_ptr->flags &= ~PNG_FLAG_FILLER_AFTER;
+
+   /* This should probably go in the "do_read_filler" routine.
+    * I attempted to do that in libpng-1.0.1a but that caused problems
+    * so I restored it in libpng-1.0.2a
+   */
+
+   if (png_ptr->color_type == PNG_COLOR_TYPE_RGB)
+   {
+      png_ptr->usr_channels = 4;
+   }
+
+   /* Also I added this in libpng-1.0.2a (what happens when we expand
+    * a less-than-8-bit grayscale to GA?) */
+
+   if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY && png_ptr->bit_depth >= 8)
+   {
+      png_ptr->usr_channels = 2;
+   }
 }
 
 /* Added to libpng-1.2.7 */
@@ -207,9 +160,7 @@ png_set_add_alpha(png_structrp png_ptr, png_uint_32 filler, int filler_loc)
       return;
 
    png_set_filler(png_ptr, filler, filler_loc);
-   /* The above may fail to do anything. */
-   if (png_ptr->transformations & PNG_FILLER)
-      png_ptr->transformations |= PNG_ADD_ALPHA;
+   png_ptr->transformations |= PNG_ADD_ALPHA;
 }
 
 #endif
@@ -668,109 +619,6 @@ png_do_bgr(png_row_infop row_info, png_bytep row)
 }
 #endif /* PNG_READ_BGR_SUPPORTED or PNG_WRITE_BGR_SUPPORTED */
 
-#if defined(PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED) || \
-    defined(PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED)
-/* Added at libpng-1.5.10 */
-void /* PRIVATE */
-png_do_check_palette_indexes(png_structrp png_ptr, png_row_infop row_info)
-{
-   if (png_ptr->num_palette < (1 << row_info->bit_depth) &&
-      png_ptr->num_palette > 0) /* num_palette can be 0 in MNG files */
-   {
-      /* Calculations moved outside switch in an attempt to stop different
-       * compiler warnings.  'padding' is in *bits* within the last byte, it is
-       * an 'int' because pixel_depth becomes an 'int' in the expression below,
-       * and this calculation is used because it avoids warnings that other
-       * forms produced on either GCC or MSVC.
-       */
-      int padding = (-row_info->pixel_depth * row_info->width) & 7;
-      png_bytep rp = png_ptr->row_buf + row_info->rowbytes;
-
-      switch (row_info->bit_depth)
-      {
-         case 1:
-         {
-            /* in this case, all bytes must be 0 so we don't need
-             * to unpack the pixels except for the rightmost one.
-             */
-            for (; rp > png_ptr->row_buf; rp--)
-            {
-              if (*rp >> padding != 0)
-                 png_ptr->num_palette_max = 1;
-              padding = 0;
-            }
-
-            break;
-         }
-
-         case 2:
-         {
-            for (; rp > png_ptr->row_buf; rp--)
-            {
-              int i = ((*rp >> padding) & 0x03);
-
-              if (i > png_ptr->num_palette_max)
-                 png_ptr->num_palette_max = i;
-
-              i = (((*rp >> padding) >> 2) & 0x03);
-
-              if (i > png_ptr->num_palette_max)
-                 png_ptr->num_palette_max = i;
-
-              i = (((*rp >> padding) >> 4) & 0x03);
-
-              if (i > png_ptr->num_palette_max)
-                 png_ptr->num_palette_max = i;
-
-              i = (((*rp >> padding) >> 6) & 0x03);
-
-              if (i > png_ptr->num_palette_max)
-                 png_ptr->num_palette_max = i;
-
-              padding = 0;
-            }
-
-            break;
-         }
-
-         case 4:
-         {
-            for (; rp > png_ptr->row_buf; rp--)
-            {
-              int i = ((*rp >> padding) & 0x0f);
-
-              if (i > png_ptr->num_palette_max)
-                 png_ptr->num_palette_max = i;
-
-              i = (((*rp >> padding) >> 4) & 0x0f);
-
-              if (i > png_ptr->num_palette_max)
-                 png_ptr->num_palette_max = i;
-
-              padding = 0;
-            }
-
-            break;
-         }
-
-         case 8:
-         {
-            for (; rp > png_ptr->row_buf; rp--)
-            {
-               if (*rp > png_ptr->num_palette_max)
-                  png_ptr->num_palette_max = (int) *rp;
-            }
-
-            break;
-         }
-
-         default:
-            break;
-      }
-   }
-}
-#endif /* PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED */
-
 #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
     defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
 #ifdef PNG_USER_TRANSFORM_PTR_SUPPORTED
@@ -800,7 +648,7 @@ png_get_user_transform_ptr(png_const_structrp png_ptr)
    if (png_ptr == NULL)
       return (NULL);
 
-   return png_ptr->user_transform_ptr;
+   return ((png_voidp)png_ptr->user_transform_ptr);
 }
 #endif
 

pngusr.dfa

@@ -1,14 +0,0 @@
-# pngusr.dfa
-#
-# Build time configuration of libpng
-#
-# Enter build configuration options in this file
-#
-# Security settings: by default these limits are unset, you can change them
-# here by entering the appropriate values as #defines preceded by '@' (to cause,
-# them to be passed through to the build of pnglibconf.h), for example:
-#
-# @# define PNG_USER_WIDTH_MAX 1000000
-# @# define PNG_USER_HEIGHT_MAX 1000000
-# @# define PNG_USER_CHUNK_CACHE_MAX 128
-# @# define PNG_USER_CHUNK_MALLOC_MAX 8000000

pngwtran.c

@@ -287,7 +287,7 @@ png_do_shift(png_row_infop row_info, png_bytep row,
       {
          png_bytep bp = row;
          png_size_t i;
-         unsigned int mask;
+         png_byte mask;
          png_size_t row_bytes = row_info->rowbytes;
 
          if (bit_depth->gray == 1 && row_info->bit_depth == 2)
@@ -301,22 +301,20 @@ png_do_shift(png_row_infop row_info, png_bytep row,
 
          for (i = 0; i < row_bytes; i++, bp++)
          {
+            png_uint_16 v;
             int j;
-            unsigned int v, out;
 
             v = *bp;
-            out = 0;
+            *bp = 0;
 
             for (j = shift_start[0]; j > -shift_dec[0]; j -= shift_dec[0])
             {
                if (j > 0)
-                  out |= v << j;
+                  *bp |= (png_byte)((v << j) & 0xff);
 
                else
-                  out |= (v >> (-j)) & mask;
+                  *bp |= (png_byte)((v >> (-j)) & mask);
             }
-
-            *bp = (png_byte)(out & 0xff);
          }
       }
 
@@ -329,23 +327,21 @@ png_do_shift(png_row_infop row_info, png_bytep row,
          for (i = 0; i < istop; i++, bp++)
          {
 
-            const unsigned int c = i%channels;
+            png_uint_16 v;
             int j;
-            unsigned int v, out;
+            int c = (int)(i%channels);
 
             v = *bp;
-            out = 0;
+            *bp = 0;
 
             for (j = shift_start[c]; j > -shift_dec[c]; j -= shift_dec[c])
             {
                if (j > 0)
-                  out |= v << j;
+                  *bp |= (png_byte)((v << j) & 0xff);
 
                else
-                  out |= v >> (-j);
+                  *bp |= (png_byte)((v >> (-j)) & 0xff);
             }
-
-            *bp = (png_byte)(out & 0xff);
          }
       }
 
@@ -357,22 +353,22 @@ png_do_shift(png_row_infop row_info, png_bytep row,
 
          for (bp = row, i = 0; i < istop; i++)
          {
-            const unsigned int c = i%channels;
+            int c = (int)(i%channels);
+            png_uint_16 value, v;
             int j;
-            unsigned int value, v;
 
-            v = png_get_uint_16(bp);
+            v = (png_uint_16)(((png_uint_16)(*bp) << 8) + *(bp + 1));
             value = 0;
 
             for (j = shift_start[c]; j > -shift_dec[c]; j -= shift_dec[c])
             {
                if (j > 0)
-                  value |= v << j;
+                  value |= (png_uint_16)((v << j) & (png_uint_16)0xffff);
 
                else
-                  value |= v >> (-j);
+                  value |= (png_uint_16)((v >> (-j)) & (png_uint_16)0xffff);
             }
-            *bp++ = (png_byte)((value >> 8) & 0xff);
+            *bp++ = (png_byte)(value >> 8);
             *bp++ = (png_byte)(value & 0xff);
          }
       }

projects/owatcom/pngstest.tgt

@@ -21,8 +21,8 @@ MCommand
 0
 5
 MCommand
-1118
-pngstest --strict --log ../../contrib/pngsuite/basn0g01.png ../../contrib/pngsuite/basn0g02.png ../../contrib/pngsuite/basn0g04.png ../../contrib/pngsuite/basn0g08.png ../../contrib/pngsuite/basn0g16.png ../../contrib/pngsuite/basn2c08.png ../../contrib/pngsuite/basn2c16.png ../../contrib/pngsuite/basn3p01.png ../../contrib/pngsuite/basn3p02.png ../../contrib/pngsuite/basn3p04.png ../../contrib/pngsuite/basn3p08.png ../../contrib/pngsuite/basn4a08.png ../../contrib/pngsuite/basn4a16.png ../../contrib/pngsuite/basn6a08.png ../../contrib/pngsuite/basn6a16.png ../../contrib/pngsuite/ftbbn0g04.png ../../contrib/pngsuite/ftbbn0g01.png ../../contrib/pngsuite/ftbbn0g02.png ../../contrib/pngsuite/ftbbn2c16.png ../../contrib/pngsuite/ftbbn3p08.png ../../contrib/pngsuite/ftbgn2c16.png ../../contrib/pngsuite/ftbgn3p08.png ../../contrib/pngsuite/ftbrn2c08.png ../../contrib/pngsuite/ftbwn0g16.png ../../contrib/pngsuite/ftbwn3p08.png ../../contrib/pngsuite/ftbyn3p08.png ../../contrib/pngsuite/ftp0n0g08.png ../../contrib/pngsuite/ftp0n2c08.png ../../contrib/pngsuite/ftp0n3p08.png ../../contrib/pngsuite/ftp1n3p08.png
+1035
+pngstest --log ../../contrib/pngsuite/basn0g01.png ../../contrib/pngsuite/basn0g02.png ../../contrib/pngsuite/basn0g04.png ../../contrib/pngsuite/basn0g08.png ../../contrib/pngsuite/basn0g16.png ../../contrib/pngsuite/basn2c08.png ../../contrib/pngsuite/basn2c16.png ../../contrib/pngsuite/basn3p01.png ../../contrib/pngsuite/basn3p02.png ../../contrib/pngsuite/basn3p04.png ../../contrib/pngsuite/basn3p08.png ../../contrib/pngsuite/basn4a08.png ../../contrib/pngsuite/basn4a16.png ../../contrib/pngsuite/basn6a08.png ../../contrib/pngsuite/basn6a16.png ../../contrib/pngsuite/ftbbn1g04.png ../../contrib/pngsuite/ftbbn2c16.png ../../contrib/pngsuite/ftbbn3p08.png ../../contrib/pngsuite/ftbgn2c16.png ../../contrib/pngsuite/ftbgn3p08.png ../../contrib/pngsuite/ftbrn2c08.png ../../contrib/pngsuite/ftbwn1g16.png ../../contrib/pngsuite/ftbwn3p08.png ../../contrib/pngsuite/ftbyn3p08.png ../../contrib/pngsuite/ftp0n1g08.png ../../contrib/pngsuite/ftp0n2c08.png ../../contrib/pngsuite/ftp0n3p08.png ../../contrib/pngsuite/ftp1n3p08.png
 6
 MItem
 12

projects/vstudio/pngstest/pngstest.vcxproj

@@ -100,7 +100,7 @@
     </Link>
     <CustomBuildStep>
       <Message>Executing libpng simplified API test program</Message>
-      <Command>"$(OutDir)pngstest.exe" --strict --log --touch "$(IntDir)pngstest.out" ../../../contrib/pngsuite/basn0g01.png ../../../contrib/pngsuite/basn0g02.png ../../../contrib/pngsuite/basn0g04.png ../../../contrib/pngsuite/basn0g08.png ../../../contrib/pngsuite/basn0g16.png ../../../contrib/pngsuite/basn2c08.png ../../../contrib/pngsuite/basn2c16.png ../../../contrib/pngsuite/basn3p01.png ../../../contrib/pngsuite/basn3p02.png ../../../contrib/pngsuite/basn3p04.png ../../../contrib/pngsuite/basn3p08.png ../../../contrib/pngsuite/basn4a08.png ../../../contrib/pngsuite/basn4a16.png ../../../contrib/pngsuite/basn6a08.png ../../../contrib/pngsuite/basn6a16.png ../../../contrib/pngsuite/ftbbn0g01.png ../../../contrib/pngsuite/ftbbn0g02.png ../../../contrib/pngsuite/ftbbn0g04.png ../../../contrib/pngsuite/ftbbn2c16.png ../../../contrib/pngsuite/ftbbn3p08.png ../../../contrib/pngsuite/ftbgn2c16.png ../../../contrib/pngsuite/ftbgn3p08.png ../../../contrib/pngsuite/ftbrn2c08.png ../../../contrib/pngsuite/ftbwn0g16.png ../../../contrib/pngsuite/ftbwn3p08.png ../../../contrib/pngsuite/ftbyn3p08.png ../../../contrib/pngsuite/ftp0n0g08.png ../../../contrib/pngsuite/ftp0n2c08.png ../../../contrib/pngsuite/ftp0n3p08.png ../../../contrib/pngsuite/ftp1n3p08.png</Command>
+      <Command>"$(OutDir)pngstest.exe" --log --touch "$(IntDir)pngstest.out" ../../../contrib/pngsuite/basn0g01.png ../../../contrib/pngsuite/basn0g02.png ../../../contrib/pngsuite/basn0g04.png ../../../contrib/pngsuite/basn0g08.png ../../../contrib/pngsuite/basn0g16.png ../../../contrib/pngsuite/basn2c08.png ../../../contrib/pngsuite/basn2c16.png ../../../contrib/pngsuite/basn3p01.png ../../../contrib/pngsuite/basn3p02.png ../../../contrib/pngsuite/basn3p04.png ../../../contrib/pngsuite/basn3p08.png ../../../contrib/pngsuite/basn4a08.png ../../../contrib/pngsuite/basn4a16.png ../../../contrib/pngsuite/basn6a08.png ../../../contrib/pngsuite/basn6a16.png ../../../contrib/pngsuite/ftbbn1g04.png ../../../contrib/pngsuite/ftbbn2c16.png ../../../contrib/pngsuite/ftbbn3p08.png ../../../contrib/pngsuite/ftbgn2c16.png ../../../contrib/pngsuite/ftbgn3p08.png ../../../contrib/pngsuite/ftbrn2c08.png ../../../contrib/pngsuite/ftbwn1g16.png ../../../contrib/pngsuite/ftbwn3p08.png ../../../contrib/pngsuite/ftbyn3p08.png ../../../contrib/pngsuite/ftp0n1g08.png ../../../contrib/pngsuite/ftp0n2c08.png ../../../contrib/pngsuite/ftp0n3p08.png ../../../contrib/pngsuite/ftp1n3p08.png</Command>
       <Outputs>$(IntDir)pngstest.out</Outputs>
       <Inputs>$(OutDir)pngstest.exe</Inputs>
     </CustomBuildStep>
@@ -133,7 +133,7 @@
     </Link>
     <CustomBuildStep>
       <Message>Executing libpng simplified API test program</Message>
-      <Command>"$(OutDir)pngstest.exe" --strict --log --touch "$(IntDir)pngstest.out" ../../../contrib/pngsuite/basn0g01.png ../../../contrib/pngsuite/basn0g02.png ../../../contrib/pngsuite/basn0g04.png ../../../contrib/pngsuite/basn0g08.png ../../../contrib/pngsuite/basn0g16.png ../../../contrib/pngsuite/basn2c08.png ../../../contrib/pngsuite/basn2c16.png ../../../contrib/pngsuite/basn3p01.png ../../../contrib/pngsuite/basn3p02.png ../../../contrib/pngsuite/basn3p04.png ../../../contrib/pngsuite/basn3p08.png ../../../contrib/pngsuite/basn4a08.png ../../../contrib/pngsuite/basn4a16.png ../../../contrib/pngsuite/basn6a08.png ../../../contrib/pngsuite/basn6a16.png ../../../contrib/pngsuite/ftbbn0g01.png ../../../contrib/pngsuite/ftbbn0g02.png ../../../contrib/pngsuite/ftbbn0g04.png ../../../contrib/pngsuite/ftbbn2c16.png ../../../contrib/pngsuite/ftbbn3p08.png ../../../contrib/pngsuite/ftbgn2c16.png ../../../contrib/pngsuite/ftbgn3p08.png ../../../contrib/pngsuite/ftbrn2c08.png ../../../contrib/pngsuite/ftbwn0g16.png ../../../contrib/pngsuite/ftbwn3p08.png ../../../contrib/pngsuite/ftbyn3p08.png ../../../contrib/pngsuite/ftp0n0g08.png ../../../contrib/pngsuite/ftp0n2c08.png ../../../contrib/pngsuite/ftp0n3p08.png ../../../contrib/pngsuite/ftp1n3p08.png</Command>
+      <Command>"$(OutDir)pngstest.exe" --log --touch "$(IntDir)pngstest.out" ../../../contrib/pngsuite/basn0g01.png ../../../contrib/pngsuite/basn0g02.png ../../../contrib/pngsuite/basn0g04.png ../../../contrib/pngsuite/basn0g08.png ../../../contrib/pngsuite/basn0g16.png ../../../contrib/pngsuite/basn2c08.png ../../../contrib/pngsuite/basn2c16.png ../../../contrib/pngsuite/basn3p01.png ../../../contrib/pngsuite/basn3p02.png ../../../contrib/pngsuite/basn3p04.png ../../../contrib/pngsuite/basn3p08.png ../../../contrib/pngsuite/basn4a08.png ../../../contrib/pngsuite/basn4a16.png ../../../contrib/pngsuite/basn6a08.png ../../../contrib/pngsuite/basn6a16.png ../../../contrib/pngsuite/ftbbn1g04.png ../../../contrib/pngsuite/ftbbn2c16.png ../../../contrib/pngsuite/ftbbn3p08.png ../../../contrib/pngsuite/ftbgn2c16.png ../../../contrib/pngsuite/ftbgn3p08.png ../../../contrib/pngsuite/ftbrn2c08.png ../../../contrib/pngsuite/ftbwn1g16.png ../../../contrib/pngsuite/ftbwn3p08.png ../../../contrib/pngsuite/ftbyn3p08.png ../../../contrib/pngsuite/ftp0n1g08.png ../../../contrib/pngsuite/ftp0n2c08.png ../../../contrib/pngsuite/ftp0n3p08.png ../../../contrib/pngsuite/ftp1n3p08.png</Command>
       <Outputs>$(IntDir)pngstest.out</Outputs>
       <Inputs>$(OutDir)pngstest.exe</Inputs>
     </CustomBuildStep>
@@ -168,7 +168,7 @@
     </Link>
     <CustomBuildStep>
       <Message>Executing libpng simplified API test program</Message>
-      <Command>"$(OutDir)pngstest.exe" --strict --log --touch "$(IntDir)pngstest.out" ../../../contrib/pngsuite/basn0g01.png ../../../contrib/pngsuite/basn0g02.png ../../../contrib/pngsuite/basn0g04.png ../../../contrib/pngsuite/basn0g08.png ../../../contrib/pngsuite/basn0g16.png ../../../contrib/pngsuite/basn2c08.png ../../../contrib/pngsuite/basn2c16.png ../../../contrib/pngsuite/basn3p01.png ../../../contrib/pngsuite/basn3p02.png ../../../contrib/pngsuite/basn3p04.png ../../../contrib/pngsuite/basn3p08.png ../../../contrib/pngsuite/basn4a08.png ../../../contrib/pngsuite/basn4a16.png ../../../contrib/pngsuite/basn6a08.png ../../../contrib/pngsuite/basn6a16.png ../../../contrib/pngsuite/ftbbn0g01.png ../../../contrib/pngsuite/ftbbn0g02.png ../../../contrib/pngsuite/ftbbn0g04.png ../../../contrib/pngsuite/ftbbn2c16.png ../../../contrib/pngsuite/ftbbn3p08.png ../../../contrib/pngsuite/ftbgn2c16.png ../../../contrib/pngsuite/ftbgn3p08.png ../../../contrib/pngsuite/ftbrn2c08.png ../../../contrib/pngsuite/ftbwn0g16.png ../../../contrib/pngsuite/ftbwn3p08.png ../../../contrib/pngsuite/ftbyn3p08.png ../../../contrib/pngsuite/ftp0n0g08.png ../../../contrib/pngsuite/ftp0n2c08.png ../../../contrib/pngsuite/ftp0n3p08.png ../../../contrib/pngsuite/ftp1n3p08.png</Command>
+      <Command>"$(OutDir)pngstest.exe" --log --touch "$(IntDir)pngstest.out" ../../../contrib/pngsuite/basn0g01.png ../../../contrib/pngsuite/basn0g02.png ../../../contrib/pngsuite/basn0g04.png ../../../contrib/pngsuite/basn0g08.png ../../../contrib/pngsuite/basn0g16.png ../../../contrib/pngsuite/basn2c08.png ../../../contrib/pngsuite/basn2c16.png ../../../contrib/pngsuite/basn3p01.png ../../../contrib/pngsuite/basn3p02.png ../../../contrib/pngsuite/basn3p04.png ../../../contrib/pngsuite/basn3p08.png ../../../contrib/pngsuite/basn4a08.png ../../../contrib/pngsuite/basn4a16.png ../../../contrib/pngsuite/basn6a08.png ../../../contrib/pngsuite/basn6a16.png ../../../contrib/pngsuite/ftbbn1g04.png ../../../contrib/pngsuite/ftbbn2c16.png ../../../contrib/pngsuite/ftbbn3p08.png ../../../contrib/pngsuite/ftbgn2c16.png ../../../contrib/pngsuite/ftbgn3p08.png ../../../contrib/pngsuite/ftbrn2c08.png ../../../contrib/pngsuite/ftbwn1g16.png ../../../contrib/pngsuite/ftbwn3p08.png ../../../contrib/pngsuite/ftbyn3p08.png ../../../contrib/pngsuite/ftp0n1g08.png ../../../contrib/pngsuite/ftp0n2c08.png ../../../contrib/pngsuite/ftp0n3p08.png ../../../contrib/pngsuite/ftp1n3p08.png</Command>
       <Outputs>$(IntDir)pngstest.out</Outputs>
       <Inputs>$(OutDir)pngstest.exe</Inputs>
     </CustomBuildStep>
@@ -204,7 +204,7 @@
     </Link>
     <CustomBuildStep>
       <Message>Executing libpng simplified API test program</Message>
-      <Command>"$(OutDir)pngstest.exe" --strict --log --touch "$(IntDir)pngstest.out" ../../../contrib/pngsuite/basn0g01.png ../../../contrib/pngsuite/basn0g02.png ../../../contrib/pngsuite/basn0g04.png ../../../contrib/pngsuite/basn0g08.png ../../../contrib/pngsuite/basn0g16.png ../../../contrib/pngsuite/basn2c08.png ../../../contrib/pngsuite/basn2c16.png ../../../contrib/pngsuite/basn3p01.png ../../../contrib/pngsuite/basn3p02.png ../../../contrib/pngsuite/basn3p04.png ../../../contrib/pngsuite/basn3p08.png ../../../contrib/pngsuite/basn4a08.png ../../../contrib/pngsuite/basn4a16.png ../../../contrib/pngsuite/basn6a08.png ../../../contrib/pngsuite/basn6a16.png ../../../contrib/pngsuite/ftbbn0g01.png ../../../contrib/pngsuite/ftbbn0g02.png ../../../contrib/pngsuite/ftbbn0g04.png ../../../contrib/pngsuite/ftbbn2c16.png ../../../contrib/pngsuite/ftbbn3p08.png ../../../contrib/pngsuite/ftbgn2c16.png ../../../contrib/pngsuite/ftbgn3p08.png ../../../contrib/pngsuite/ftbrn2c08.png ../../../contrib/pngsuite/ftbwn0g16.png ../../../contrib/pngsuite/ftbwn3p08.png ../../../contrib/pngsuite/ftbyn3p08.png ../../../contrib/pngsuite/ftp0n0g08.png ../../../contrib/pngsuite/ftp0n2c08.png ../../../contrib/pngsuite/ftp0n3p08.png ../../../contrib/pngsuite/ftp1n3p08.png</Command>
+      <Command>"$(OutDir)pngstest.exe" --log --touch "$(IntDir)pngstest.out" ../../../contrib/pngsuite/basn0g01.png ../../../contrib/pngsuite/basn0g02.png ../../../contrib/pngsuite/basn0g04.png ../../../contrib/pngsuite/basn0g08.png ../../../contrib/pngsuite/basn0g16.png ../../../contrib/pngsuite/basn2c08.png ../../../contrib/pngsuite/basn2c16.png ../../../contrib/pngsuite/basn3p01.png ../../../contrib/pngsuite/basn3p02.png ../../../contrib/pngsuite/basn3p04.png ../../../contrib/pngsuite/basn3p08.png ../../../contrib/pngsuite/basn4a08.png ../../../contrib/pngsuite/basn4a16.png ../../../contrib/pngsuite/basn6a08.png ../../../contrib/pngsuite/basn6a16.png ../../../contrib/pngsuite/ftbbn1g04.png ../../../contrib/pngsuite/ftbbn2c16.png ../../../contrib/pngsuite/ftbbn3p08.png ../../../contrib/pngsuite/ftbgn2c16.png ../../../contrib/pngsuite/ftbgn3p08.png ../../../contrib/pngsuite/ftbrn2c08.png ../../../contrib/pngsuite/ftbwn1g16.png ../../../contrib/pngsuite/ftbwn3p08.png ../../../contrib/pngsuite/ftbyn3p08.png ../../../contrib/pngsuite/ftp0n1g08.png ../../../contrib/pngsuite/ftp0n2c08.png ../../../contrib/pngsuite/ftp0n3p08.png ../../../contrib/pngsuite/ftp1n3p08.png</Command>
       <Outputs>$(IntDir)pngstest.out</Outputs>
       <Inputs>$(OutDir)pngstest.exe</Inputs>
     </CustomBuildStep>

projects/vstudio/readme.txt

@@ -1,7 +1,7 @@
 
 VisualStudio instructions
 
-libpng version 1.6.0beta28 - August 29, 2012
+libpng version 1.6.0beta05 - February 3, 2012
 
 Copyright (c) 1998-2010 Glenn Randers-Pehrson
 

projects/vstudio/zlib.props

@@ -2,7 +2,7 @@
 <!--
  * zlib.props - location of zlib source
  *
- * libpng version 1.6.0beta28 - August 29, 2012
+ * libpng version 1.6.0beta05 - February 3, 2012
  *
  * Copyright (c) 1998-2011 Glenn Randers-Pehrson
  *

projects/vstudio/zlib/zlib.vcxproj

@@ -84,13 +84,12 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug Library|Win32'">
     <ClCompile>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;Z_SOLO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <WarningLevel>TurnOffAllWarnings</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <Optimization>Disabled</Optimization>
       <BrowseInformation>true</BrowseInformation>
-      <FunctionLevelLinking>true</FunctionLevelLinking>
     </ClCompile>
     <Link>
       <TargetMachine>MachineX86</TargetMachine>
@@ -100,12 +99,11 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;Z_SOLO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <WarningLevel>TurnOffAllWarnings</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <Optimization>Disabled</Optimization>
       <BrowseInformation>true</BrowseInformation>
-      <FunctionLevelLinking>true</FunctionLevelLinking>
     </ClCompile>
     <Link>
       <TargetMachine>MachineX86</TargetMachine>
@@ -125,7 +123,6 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <TreatWarningAsError>true</TreatWarningAsError>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;Z_SOLO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <TargetMachine>MachineX86</TargetMachine>
@@ -147,7 +144,21 @@
       <BrowseInformation>true</BrowseInformation>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <TreatWarningAsError>true</TreatWarningAsError>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;Z_SOLO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+    <Link>
+      <TargetMachine>MachineX86</TargetMachine>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+    </Link>
+    <Lib>
+      <LinkTimeCodeGeneration>true</LinkTimeCodeGeneration>
+    </Lib>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
     </ClCompile>
     <Link>
       <TargetMachine>MachineX86</TargetMachine>
@@ -156,9 +167,6 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
     </Link>
-    <Lib>
-      <LinkTimeCodeGeneration>true</LinkTimeCodeGeneration>
-    </Lib>
   </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">

scripts/README.txt

@@ -1,9 +1,9 @@
 
-Makefiles for  libpng version 1.6.0beta28 - August 29, 2012
+Makefiles for  libpng version 1.6.0beta05 - February 3, 2012
 
 pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.linux    =>  Linux/ELF makefile
-                       (gcc, creates libpng16.so.16.1.6.0beta28)
+                       (gcc, creates libpng16.so.16.1.6.0beta05)
  makefile.gcc      =>  Generic makefile (gcc, creates static libpng.a)
  makefile.knr      =>  Archaic UNIX Makefile that converts files with
                        ansi2knr (Requires ansi2knr.c from
@@ -20,7 +20,7 @@ pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.dec      =>  DEC Alpha UNIX makefile
  makefile.dj2      =>  DJGPP 2 makefile
  makefile.elf      =>  Linux/ELF makefile symbol versioning,
-                       (gcc, creates libpng16.so.16.1.6.0beta28)
+                       (gcc, creates libpng16.so.16.1.6.0beta05)
  makefile.freebsd  =>  FreeBSD makefile
  makefile.gcc      =>  Generic gcc makefile
  makefile.hpgcc    =>  HPUX makefile using gcc
@@ -35,12 +35,12 @@ pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.os2      =>  OS/2 Makefile (gcc and emx, requires libpng.def)
  makefile.sco      =>  For SCO OSr5  ELF and Unixware 7 with Native cc
  makefile.sggcc    =>  Silicon Graphics (gcc,
-                       creates libpng16.so.16.1.6.0beta28)
+                       creates libpng16.so.16.1.6.0beta05)
  makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
  makefile.solaris  =>  Solaris 2.X makefile (gcc,
-                       creates libpng16.so.16.1.6.0beta28)
+                       creates libpng16.so.16.1.6.0beta05)
  makefile.so9      =>  Solaris 9 makefile (gcc,
-                       creates libpng16.so.16.1.6.0beta28)
+                       creates libpng16.so.16.1.6.0beta05)
  makefile.std      =>  Generic UNIX makefile (cc, creates static libpng.a)
  makefile.sunos    =>  Sun makefile
  makefile.32sunu   =>  Sun Ultra 32-bit makefile
@@ -62,25 +62,15 @@ Other supporting scripts:
  pngwin.dfn        =>  Used to maintain pngwin.def
  SCOPTIONS.ppc     =>  Used with smakefile.ppc
 
- checksym.awk       =>  Used for maintaining pnglibconf.h
- def.dfn            =>  Used for maintaining pnglibconf.h
- options.awk        =>  Used for maintaining pnglibconf.h
- pnglibconf.dfa     =>  Used for maintaining pnglibconf.h
- pnglibconf.mak     =>  Used for maintaining pnglibconf.h
- sym.dfn            =>  Used for symbol versioning
- symbols.def        =>  Used for symbol versioning
- symbols.dfn        =>  Used for symbol versioning
- vers.dfn           =>  Used for symbol versioning
-
- libtool.m4        =>  Used by autoconf tools
- ltoptions.m4      =>  Used by autoconf tools
- ltsugar.m4        =>  Used by autoconf tools
- ltversion.m4      =>  Used by autoconf tools
- lt~obsolete.m4    =>  Used by autoconf tools
-
- intprefix.dfn     =>  Used by autoconf tools
- macro.lst         =>  Used by autoconf tools
- prefix.dfn        =>  Used by autoconf tools
+checksym.awk       =>  Used for maintaining pnglibconf.h
+def.dfn            =>  Used for maintaining pnglibconf.h
+options.awk        =>  Used for maintaining pnglibconf.h
+pnglibconf.dfa     =>  Used for maintaining pnglibconf.h
+pnglibconf.mak     =>  Used for maintaining pnglibconf.h
+sym.dfn            =>  Used for symbol versioning
+symbols.def        =>  Used for symbol versioning
+symbols.dfn        =>  Used for symbol versioning
+vers.dfn           =>  Used for symbol versioning
 
 
 Further information can be found in comments in the individual makefiles.

scripts/descrip.mms

@@ -33,20 +33,20 @@ clean :
 
 
 # Other dependencies.
-png.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
-pngpread.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
-pngset.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
-pngget.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
-pngread.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
-pngrtran.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
-pngrutil.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
-pngerror.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
-pngmem.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
-pngrio.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
-pngwio.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
-pngtrans.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
-pngwrite.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
-pngwtran.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
-pngwutil.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h
+png.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
+pngpread.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
+pngset.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
+pngget.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
+pngread.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
+pngrtran.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
+pngrutil.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
+pngerror.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
+pngmem.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
+pngrio.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
+pngwio.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
+pngtrans.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
+pngwrite.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
+pngwtran.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
+pngwutil.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h,             pnginfo.h, pngdebug.h 
 
 pngtest.obj : png.h, pngconf.h

scripts/intprefix.dfn

@@ -1,19 +0,0 @@
-
-/* intprefix.dfn - generate an unprefixed internal symbol list
- *
- * Last changed in libpng version 1.6.0 [January 30, 2012]
- * Copyright (c) 2012 Glenn Randers-Pehrson
- *
- * This code is released under the libpng license.
- * For conditions of distribution and use, see the disclaimer
- * and license in png.h
- */
-
-#define PNG_INTERNAL_DATA(type, name, array)\
-	PNG_DEFN_MAGIC-name-PNG_DEFN_END
-
-#define PNG_INTERNAL_FUNCTION(type, name, args, attributes)\
-	PNG_DEFN_MAGIC-name-PNG_DEFN_END
-
-#define PNGPREFIX_H /* self generation */
-#include "../pngpriv.h"

scripts/libpng-config-head.in

@@ -11,7 +11,7 @@
 
 # Modeled after libxml-config.
 
-version=1.6.0beta28
+version=1.6.0beta05
 prefix=""
 libdir=""
 libs=""

scripts/libpng.pc.in

@@ -5,6 +5,6 @@ includedir=@includedir@/libpng16
 
 Name: libpng
 Description: Loads and saves PNG files
-Version: 1.6.0beta28
+Version: 1.6.0beta05
 Libs: -L${libdir} -lpng16
 Cflags: -I${includedir}

scripts/macro.lst

@@ -1,3 +0,0 @@
-get_uint_32(buf)
-get_uint_16(buf)
-get_int_32(buf)

scripts/makefile.32sunu

@@ -222,20 +222,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.64sunu

@@ -222,20 +222,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.aix

@@ -102,20 +102,20 @@ install: $(LIBNAME)$(A)
 clean:
 	$(RM_F) *.o $(LIBNAME)$(A) pngtest pngout.png pnglibconf.h
 
-png$(O):      png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread$(O):  png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png$(O):      png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread$(O):  png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest$(O):  png.h pngconf.h pnglibconf.h

scripts/makefile.bc32

@@ -114,21 +114,21 @@ test: pngtest.exe
 pnglibconf.h: scripts\pnglibconf.h.prebuilt
 	copy scripts\pnglibconf.h.prebuilt $@
 
-png.obj: png.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.obj: pngerror.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.obj: pngget.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.obj: pngmem.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.obj: pngpread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.obj: pngread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.obj: pngrio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.obj: pngrtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.obj: pngrutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.obj: pngset.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.obj: pngtrans.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.obj: pngwio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.obj: pngwrite.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.obj: pngwtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.obj: pngwutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.obj: png.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.obj: pngerror.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.obj: pngget.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.obj: pngmem.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.obj: pngpread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.obj: pngread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.obj: pngrio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.obj: pngrtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.obj: pngrutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.obj: pngset.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.obj: pngtrans.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.obj: pngwio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.obj: pngwrite.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.obj: pngwtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.obj: pngwutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 pngtest.obj: pngtest.c png.h pngconf.h pnglibconf.h
 
 $(LIBNAME): $(OBJS)

scripts/makefile.beos

@@ -196,20 +196,20 @@ clean:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.bor

@@ -121,21 +121,21 @@ test: pngtest$(MODEL).exe
 
 ## Minor Targets
 
-png.obj: png.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.obj: pngerror.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.obj: pngget.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.obj: pngmem.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.obj: pngpread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.obj: pngread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.obj: pngrio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.obj: pngrtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.obj: pngrutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.obj: pngset.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.obj: pngtrans.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.obj: pngwio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.obj: pngwrite.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.obj: pngwtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.obj: pngwutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.obj: png.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.obj: pngerror.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.obj: pngget.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.obj: pngmem.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.obj: pngpread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.obj: pngread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.obj: pngrio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.obj: pngrtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.obj: pngrutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.obj: pngset.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.obj: pngtrans.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.obj: pngwio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.obj: pngwrite.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.obj: pngwtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.obj: pngwutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 $(LIBNAME): $(OBJS)
 	-del $(LIBNAME)

scripts/makefile.cegcc

@@ -30,7 +30,7 @@ PACKAGE = $(NAME)-$(VER)
 
 BIN = libpng16-0.dll
 LIB = libpng16.a libpng16.dll.a libpng.a libpng.dll.a
-INCLUDE = png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+INCLUDE = png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 PC = libpng16.pc libpng.pc
 
 MANIFESTVERBIN = "Libpng-$(VER): Binary files"

scripts/makefile.darwin

@@ -15,8 +15,10 @@ prefix=/usr/local
 exec_prefix=$(prefix)
 
 # Where the zlib library and include files are located
-ZLIBLIB=/usr/lib
-ZLIBINC=/usr/include
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
 
 # Library name:
 LIBNAME = libpng16
@@ -35,7 +37,7 @@ MKDIR_P=mkdir -p
 LN_SF=ln -sf
 RANLIB=ranlib
 RM_F=/bin/rm -f
-ARCH=-arch ppc -arch i386 -arch x86_64
+ARCH="-arch i386 -arch x86_64"
 
 # CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops
 CFLAGS=-I$(ZLIBINC) -W -Wall -O -funroll-loops $(ARCH)
@@ -105,7 +107,7 @@ $(LIBSOMAJ): $(OBJSDLL)
 	$(CC) -dynamiclib \
 	 -install_name $(LIBPATH)/$(LIBSOMAJ) \
 	 -current_version 16 -compatibility_version 16 \
-	 $(ARCH) -o $(LIBSOMAJ) \
+	 -o $(LIBSOMAJ) \
 	 $(OBJSDLL) -L$(ZLIBLIB) -lz
 
 pngtest: pngtest.o $(LIBSO)
@@ -134,10 +136,10 @@ install-static: install-headers libpng.a
 install-shared: install-headers $(LIBSOMAJ) libpng.pc
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
 	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOMAJ)
+	-@$(RM_F) $(DL)/$(LIBSOREL)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)
-	chmod 755 $(DL)/$(LIBSOMAJ)
+	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
+	chmod 755 $(DL)/$(LIBSOREL)
 	(cd $(DL); \
 	$(LN_SF) $(LIBSOREL) $(LIBSO); \
 	$(LN_SF) $(LIBSO) $(OLDSO))
@@ -199,20 +201,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.dec

@@ -183,20 +183,20 @@ clean:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.dj2

@@ -43,20 +43,20 @@ clean:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.elf

@@ -244,20 +244,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.freebsd

@@ -11,13 +11,13 @@ SHLIB_VER?=     16
 LIB=		png
 SHLIB_MAJOR=	${SHLIB_VER}
 SHLIB_MINOR=	0
-NO_PROFILE=	YES
-NO_OBJ=          YES
+NOPROFILE=	YES
+NOOBJ=          YES
 
 # where make install puts libpng.a and png.h
 DESTDIR=	${PREFIX}
 LIBDIR=		/lib
-INCS=		png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+INCS=		png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 INCSDIR=	/include/libpng
 INCDIR=		${INCSDIR}		# for 4.x bsd.lib.mk
 MAN=		libpng.3 libpngpf.3 png.5
@@ -25,10 +25,7 @@ MANDIR=		/man/man
 SYMLINKS=       libpng/png.h ${INCSDIR}/../png.h \
 		libpng/pngconf.h ${INCSDIR}/../pngconf.h \
 		libpng/pnglibconf.h ${INCSDIR}/../pnglibconf.h
-
 LDADD+=         -lm -lz
-#LDADD+=         -lm -lz -lssp_nonshared   # for OSVERSION < 800000 ?
-
 DPADD+=         ${LIBM} ${LIBZ}
 
 CFLAGS+= -I.

scripts/makefile.gcc

@@ -68,20 +68,20 @@ pngtest$(EXE): pngtest$(O) libpng$(A)
 clean:
 	$(RM_F) *$(O) libpng$(A) pngtest$(EXE) pngout.png pnglibconf.h
 
-png$(O):      png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread$(O):  png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png$(O):      png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread$(O):  png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest$(O):  png.h pngconf.h pnglibconf.h

scripts/makefile.hp64

@@ -205,20 +205,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.hpgcc

@@ -211,20 +211,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.hpux

@@ -202,20 +202,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.ibmc

@@ -63,20 +63,20 @@ clean:
 	$(RM) pngtest$(E)
 	$(RM) pngout.png
 
-png$(O):      png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread$(O):  png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png$(O):      png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread$(O):  png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest$(O):  png.h pngconf.h pnglibconf.h

scripts/makefile.intel

@@ -48,49 +48,49 @@ all: test
 pnglibconf.h: scripts/pnglibconf.h.prebuilt
 	cp scripts/pnglibconf.h.prebuilt $@
 
-png$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pngset$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngset$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pngget$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngget$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pngread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pngpread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngpread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pngrtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngrtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pngrutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngrutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pngerror$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngerror$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pngmem$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngmem$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pngrio$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngrio$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pngwio$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngwio$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pngtrans$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngtrans$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pngwrite$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngwrite$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pngwtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngwtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pngwutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngwutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
 libpng.lib: $(OBJS)

scripts/makefile.knr

@@ -90,20 +90,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.linux

@@ -220,20 +220,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h

scripts/makefile.mips

@@ -75,20 +75,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.msc

@@ -31,49 +31,49 @@ all: libpng.lib
 pnglibconf.h: scripts/pnglibconf.h.prebuilt
 	cp scripts/pnglibconf.h.prebuilt $@
 
-png$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 		  $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngset$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngset$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngget$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngget$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngpread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngpread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 		  $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngrtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngrtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngrutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngrutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngerror$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngerror$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngmem$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngmem$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngrio$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngrio$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngwio$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngwio$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngtrans$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngtrans$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngwrite$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngwrite$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngwtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngwtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngwutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngwutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
 libpng.lib: $(OBJS1) $(OBJS2) $(OBJS3)

scripts/makefile.ne12bsd

@@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng16
 
 LIB=	png16
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.6.0beta28
+SHLIB_MINOR=	1.6.0beta05
 SRCS=	png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
 	pngwtran.c pngmem.c pngerror.c pngpread.c

scripts/makefile.netbsd

@@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include
 
 LIB=	png
 SHLIB_MAJOR=	16
-SHLIB_MINOR=	1.6.0beta28
+SHLIB_MINOR=	1.6.0beta05
 SRCS=	png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
 	pngwtran.c pngmem.c pngerror.c pngpread.c

scripts/makefile.openbsd

@@ -11,7 +11,7 @@ LIBDIR=	${PREFIX}/lib
 MANDIR= ${PREFIX}/man/cat
 
 SHLIB_MAJOR=	16
-SHLIB_MINOR=	1.6.0beta28
+SHLIB_MINOR=	1.6.0beta05
 
 LIB=	png
 SRCS=	png.c pngerror.c pngget.c pngmem.c pngpread.c \

scripts/makefile.sco

@@ -199,20 +199,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.sggcc

@@ -209,20 +209,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.sgi

@@ -210,20 +210,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.so9

@@ -220,20 +220,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.solaris

@@ -217,20 +217,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h

scripts/makefile.solaris-x86

@@ -217,20 +217,20 @@ writelock:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
-pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
+pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h 
 
 pngtest.o: png.h pngconf.h pnglibconf.h