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	[libpng16] Bump version to 1.6.20beta01
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										103
									
								
								ANNOUNCE
									
									
									
									
									
								
							
							
						
						
									
										103
									
								
								ANNOUNCE
									
									
									
									
									
								
							@ -1,110 +1,31 @@
 | 
			
		||||
Libpng 1.6.19 - November 12, 2015
 | 
			
		||||
Libpng 1.6.20beta01 - November 13, 2015
 | 
			
		||||
 | 
			
		||||
This is a public release of libpng, intended for use in production codes.
 | 
			
		||||
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.
 | 
			
		||||
 | 
			
		||||
Files available for download:
 | 
			
		||||
 | 
			
		||||
Source files with LF line endings (for Unix/Linux) and with a
 | 
			
		||||
"configure" script
 | 
			
		||||
 | 
			
		||||
   libpng-1.6.19.tar.xz (LZMA-compressed, recommended)
 | 
			
		||||
   libpng-1.6.19.tar.gz
 | 
			
		||||
   1.6.20beta01.tar.xz (LZMA-compressed, recommended)
 | 
			
		||||
   1.6.20beta01.tar.gz
 | 
			
		||||
 | 
			
		||||
Source files with CRLF line endings (for Windows), without the
 | 
			
		||||
"configure" script
 | 
			
		||||
 | 
			
		||||
   lpng1619.7z  (LZMA-compressed, recommended)
 | 
			
		||||
   lpng1619.zip
 | 
			
		||||
   lp1620b01.7z  (LZMA-compressed, recommended)
 | 
			
		||||
   lp1620b01.zip
 | 
			
		||||
 | 
			
		||||
Other information:
 | 
			
		||||
 | 
			
		||||
   libpng-1.6.19-README.txt
 | 
			
		||||
   libpng-1.6.19-LICENSE.txt
 | 
			
		||||
   libpng-1.6.19-*.asc (armored detached GPG signatures)
 | 
			
		||||
   1.6.20beta01-README.txt
 | 
			
		||||
   1.6.20beta01-LICENSE.txt
 | 
			
		||||
   libpng-1.6.20beta01-*.asc (armored detached GPG signatures)
 | 
			
		||||
 | 
			
		||||
Changes since the last public release (1.6.18):
 | 
			
		||||
Changes since the last public release (1.6.19):
 | 
			
		||||
 | 
			
		||||
  Updated obsolete information about the simplified API macros in the
 | 
			
		||||
    manual pages (Bug report by Arc Riley).
 | 
			
		||||
  Avoid potentially dereferencing NULL info_ptr in png_info_init_3().
 | 
			
		||||
  Rearranged png.h to put the major sections in the same order as
 | 
			
		||||
    in libpng17.
 | 
			
		||||
  Eliminated unused PNG_COST_SHIFT, PNG_WEIGHT_SHIFT, PNG_COST_FACTOR, and
 | 
			
		||||
    PNG_WEIGHT_FACTOR macros.
 | 
			
		||||
  Suppressed some warnings from the Borland C++ 5.5.1/5.82 compiler
 | 
			
		||||
    (Bug report by Viktor Szakats).  Several warnings remain and are
 | 
			
		||||
    unavoidable, where we test for overflow.
 | 
			
		||||
  Fixed potential leak of png_pixels in contrib/pngminus/pnm2png.c
 | 
			
		||||
  Fixed uninitialized variable in contrib/gregbook/rpng2-x.c
 | 
			
		||||
  Moved config.h.in~ from the "libpng_autotools_files" list to the
 | 
			
		||||
    "libpng_autotools_extra" list in autogen.sh because it was causing a
 | 
			
		||||
    false positive for missing files (bug report by Robert C. Seacord).
 | 
			
		||||
  Removed unreachable "break" statements in png.c, pngread.c, and pngrtran.c
 | 
			
		||||
    to suppress clang warnings (Bug report by Viktor Szakats).
 | 
			
		||||
  Fixed some bad links in the man page.
 | 
			
		||||
  Changed "n bit" to "n-bit" in comments.
 | 
			
		||||
  Added signed/unsigned 16-bit safety net. This removes the dubious
 | 
			
		||||
    0x8000 flag definitions on 16-bit systems. They aren't supported
 | 
			
		||||
    yet the defs *probably* work, however it seems much safer to do this
 | 
			
		||||
    and be advised if anyone, contrary to advice, is building libpng 1.6
 | 
			
		||||
    on a 16-bit system. It also adds back various switch default clauses
 | 
			
		||||
    for GCC; GCC errors out if they are not present (with an appropriately
 | 
			
		||||
    high level of warnings).
 | 
			
		||||
  Safely convert num_bytes to a png_byte in png_set_sig_bytes() (Robert
 | 
			
		||||
    Seacord).
 | 
			
		||||
  Fixed the recently reported 1's complement security issue by replacing
 | 
			
		||||
    the value that is illegal in the PNG spec, in both signed and unsigned
 | 
			
		||||
    values, with 0. Illegal unsigned values (anything greater than or equal
 | 
			
		||||
    to  0x80000000) can still pass through, but since these are not illegal
 | 
			
		||||
    in ANSI-C (unlike 0x80000000 in the signed case) the checking that
 | 
			
		||||
    occurs later can catch them (John Bowler).
 | 
			
		||||
  Fixed png_save_int_32 when int is not 2's complement (John Bowler).
 | 
			
		||||
  Updated libpng16 with all the recent test changes from libpng17,
 | 
			
		||||
    including changes to pngvalid.c to ensure that the original,
 | 
			
		||||
    distributed, version of contrib/visupng/cexcept.h can be used
 | 
			
		||||
    (John Bowler).
 | 
			
		||||
  pngvalid contains the correction to the use of SAVE/STORE_
 | 
			
		||||
    UNKNOWN_CHUNKS; a bug revealed by changes in libpng 1.7. More
 | 
			
		||||
    tests contain the --strict option to detect warnings and the
 | 
			
		||||
    pngvalid-standard test has been corrected so that it does not
 | 
			
		||||
    turn on progressive-read. There is a separate test which does
 | 
			
		||||
    that. (John Bowler)
 | 
			
		||||
  Also made some signed/unsigned fixes.
 | 
			
		||||
  Make pngstest error limits version specific. Splitting the machine
 | 
			
		||||
    generated error structs out to a file allows the values to be updated
 | 
			
		||||
    without changing pngstest.c itself. Since libpng 1.6 and 1.7 have
 | 
			
		||||
    slightly different error limits this simplifies maintenance. The
 | 
			
		||||
    makepngs.sh script has also been updated to more accurately reflect
 | 
			
		||||
    current problems in libpng 1.7 (John Bowler).
 | 
			
		||||
  Incorporated new test PNG files into make check.  tests/pngstest-*
 | 
			
		||||
    are changed so that the new test files are divided into 8 groups by
 | 
			
		||||
    gamma and alpha channel.  These tests have considerably better code
 | 
			
		||||
    and pixel-value coverage than contrib/pngsuite; however,coverage is
 | 
			
		||||
    still incomplete (John Bowler).
 | 
			
		||||
  Removed the '--strict' in 1.6 because of the double-gamma-correction
 | 
			
		||||
    warning, updated pngstest-errors.h for the errors detected with the
 | 
			
		||||
    new contrib/testspngs PNG test files (John Bowler).
 | 
			
		||||
  Worked around rgb-to-gray issues in libpng 1.6.  The previous
 | 
			
		||||
    attempts to ignore the errors in the code aren't quite enough to
 | 
			
		||||
    deal with the 'channel selection' encoding added to libpng 1.7; abort.
 | 
			
		||||
  Fixed 'pow' macros in pngvalid.c. It is legal for 'pow' to be a
 | 
			
		||||
    macro, therefore the argument list cannot contain preprocessing
 | 
			
		||||
    directives.  Make sure pow is a function where this happens. This is
 | 
			
		||||
    a minimal safe fix, the issue only arises in non-performance-critical
 | 
			
		||||
    code (bug report by Curtis Leach, fix by John Bowler).
 | 
			
		||||
  Added sPLT support to pngtest.c
 | 
			
		||||
  Prevent setting or writing over-length PLTE chunk (Cosmin Truta).
 | 
			
		||||
  Silently truncate over-length PLTE chunk while reading.
 | 
			
		||||
  Libpng incorrectly calculated the output rowbytes when the application
 | 
			
		||||
    decreased either the number of channels or the bit depth (or both) in
 | 
			
		||||
    a user transform.  This was safe; libpng overallocated buffer space
 | 
			
		||||
   (potentially by quite a lot; up to 4 times the amount required) but,
 | 
			
		||||
   from 1.5.4 on, resulted in a png_error (John Bowler).
 | 
			
		||||
  Fixed some inconsequential cut-and-paste typos in png_set_cHRM_XYZ_fixed().
 | 
			
		||||
  Clarified COPYRIGHT information to state explicitly that versions
 | 
			
		||||
    are derived from previous versions.
 | 
			
		||||
  Removed much of the long list of previous versions from png.h and
 | 
			
		||||
    libpng.3.
 | 
			
		||||
Version 1.6.20beta01 [(PENDING RELEASE)]
 | 
			
		||||
 | 
			
		||||
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 | 
			
		||||
(subscription required; visit
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										4
									
								
								CHANGES
									
									
									
									
									
								
							
							
						
						
									
										4
									
								
								CHANGES
									
									
									
									
									
								
							@ -5409,11 +5409,13 @@ Version 1.6.19rc03 [November 3, 2015]
 | 
			
		||||
 | 
			
		||||
Version 1.6.19rc04 [November 5, 2015]
 | 
			
		||||
  Fixed new bug with CRC error after reading an over-length palette
 | 
			
		||||
    (bug report by Cosmin Truta).
 | 
			
		||||
    (bug report by Cosmin Truta) (CVE-2015-8126).
 | 
			
		||||
 | 
			
		||||
Version 1.6.19 [November 12, 2015]
 | 
			
		||||
  Cleaned up coding style in png_handle_PLTE().
 | 
			
		||||
 | 
			
		||||
Version 1.6.20beta01 [(PENDING RELEASE)]
 | 
			
		||||
 | 
			
		||||
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 | 
			
		||||
(subscription required; visit
 | 
			
		||||
https://lists.sourceforge.net/lists/listinfo/png-mng-implement
 | 
			
		||||
 | 
			
		||||
@ -16,7 +16,7 @@ enable_testing()
 | 
			
		||||
 | 
			
		||||
set(PNGLIB_MAJOR 1)
 | 
			
		||||
set(PNGLIB_MINOR 6)
 | 
			
		||||
set(PNGLIB_RELEASE 19)
 | 
			
		||||
set(PNGLIB_RELEASE 20)
 | 
			
		||||
set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
 | 
			
		||||
set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})
 | 
			
		||||
 | 
			
		||||
@ -261,7 +261,7 @@ endif(NOT WIN32 OR CYGWIN OR MINGW)
 | 
			
		||||
# SET UP LINKS
 | 
			
		||||
if(PNG_SHARED)
 | 
			
		||||
  set_target_properties(${PNG_LIB_NAME} PROPERTIES
 | 
			
		||||
#   VERSION 16.${PNGLIB_RELEASE}.1.6.19
 | 
			
		||||
#   VERSION 16.${PNGLIB_RELEASE}.1.6.20beta01
 | 
			
		||||
    VERSION 16.${PNGLIB_RELEASE}.0
 | 
			
		||||
    SOVERSION 16
 | 
			
		||||
    CLEAN_DIRECT_OUTPUT 1)
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										4
									
								
								LICENSE
									
									
									
									
									
								
							
							
						
						
									
										4
									
								
								LICENSE
									
									
									
									
									
								
							@ -10,7 +10,7 @@ this sentence.
 | 
			
		||||
 | 
			
		||||
This code is released under the libpng license.
 | 
			
		||||
 | 
			
		||||
libpng versions 1.0.7, July 1, 2000, through 1.6.19, November 12, 2015, are
 | 
			
		||||
libpng versions 1.0.7, July 1, 2000, through 1.6.20beta01, November 13, 2015, are
 | 
			
		||||
Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, are
 | 
			
		||||
derived from libpng-1.0.6, and are distributed according to the same
 | 
			
		||||
disclaimer and license as libpng-1.0.6 with the following individuals
 | 
			
		||||
@ -109,4 +109,4 @@ the additional disclaimers inserted at version 1.0.7.
 | 
			
		||||
 | 
			
		||||
Glenn Randers-Pehrson
 | 
			
		||||
glennrp at users.sourceforge.net
 | 
			
		||||
November 12, 2015
 | 
			
		||||
November 13, 2015
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										2
									
								
								README
									
									
									
									
									
								
							
							
						
						
									
										2
									
								
								README
									
									
									
									
									
								
							@ -1,4 +1,4 @@
 | 
			
		||||
README for libpng version 1.6.19 - November 12, 2015 (shared library 16.0)
 | 
			
		||||
README for libpng version 1.6.20beta01 - November 13, 2015 (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.
 | 
			
		||||
 | 
			
		||||
@ -18,7 +18,7 @@ AC_PREREQ([2.68])
 | 
			
		||||
 | 
			
		||||
dnl Version number stuff here:
 | 
			
		||||
 | 
			
		||||
AC_INIT([libpng],[1.6.19],[png-mng-implement@lists.sourceforge.net])
 | 
			
		||||
AC_INIT([libpng],[1.6.20beta01],[png-mng-implement@lists.sourceforge.net])
 | 
			
		||||
AC_CONFIG_MACRO_DIR([scripts])
 | 
			
		||||
 | 
			
		||||
# libpng does not follow GNU file name conventions (hence 'foreign')
 | 
			
		||||
@ -39,10 +39,10 @@ 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=1.6.19
 | 
			
		||||
PNGLIB_VERSION=1.6.20beta01
 | 
			
		||||
PNGLIB_MAJOR=1
 | 
			
		||||
PNGLIB_MINOR=6
 | 
			
		||||
PNGLIB_RELEASE=19
 | 
			
		||||
PNGLIB_RELEASE=20
 | 
			
		||||
 | 
			
		||||
dnl End of version number stuff
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
@ -2,7 +2,7 @@
 | 
			
		||||
 *
 | 
			
		||||
 * Copyright (c) 2015 John Cunningham Bowler
 | 
			
		||||
 *
 | 
			
		||||
 * Last changed in libpng 1.6.19 [November 12, 2015]
 | 
			
		||||
 * Last changed in libpng 1.6.19 [(PENDING RELEASE)]
 | 
			
		||||
 *
 | 
			
		||||
 * This code is released under the libpng license.
 | 
			
		||||
 * For conditions of distribution and use, see the disclaimer
 | 
			
		||||
 | 
			
		||||
@ -1,6 +1,6 @@
 | 
			
		||||
libpng-manual.txt - A description on how to use and modify libpng
 | 
			
		||||
 | 
			
		||||
 libpng version 1.6.19 - November 12, 2015
 | 
			
		||||
 libpng version 1.6.20beta01 - November 13, 2015
 | 
			
		||||
 Updated and distributed by Glenn Randers-Pehrson
 | 
			
		||||
 <glennrp at users.sourceforge.net>
 | 
			
		||||
 Copyright (c) 1998-2015 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 1.6.19 - November 12, 2015
 | 
			
		||||
 libpng versions 0.97, January 1998, through 1.6.20beta01 - November 13, 2015
 | 
			
		||||
 Updated and distributed by Glenn Randers-Pehrson
 | 
			
		||||
 Copyright (c) 1998-2015 Glenn Randers-Pehrson
 | 
			
		||||
 | 
			
		||||
@ -4897,7 +4897,7 @@ 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
 | 
			
		||||
from 1,000,000 to 0x7fffffff (i.e., made unlimited).  Therefore, the
 | 
			
		||||
limits are now
 | 
			
		||||
                               default      safe
 | 
			
		||||
   png_user_width_max        0x7fffffff    1,000,000
 | 
			
		||||
@ -5323,7 +5323,7 @@ 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 1.6.19 are Y2K compliant.  It is my belief that earlier
 | 
			
		||||
upward through 1.6.20beta01 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
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										18
									
								
								libpng.3
									
									
									
									
									
								
							
							
						
						
									
										18
									
								
								libpng.3
									
									
									
									
									
								
							@ -1,6 +1,6 @@
 | 
			
		||||
.TH LIBPNG 3 "November 12, 2015"
 | 
			
		||||
.TH LIBPNG 3 "November 13, 2015"
 | 
			
		||||
.SH NAME
 | 
			
		||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.19
 | 
			
		||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.20beta01
 | 
			
		||||
.SH SYNOPSIS
 | 
			
		||||
\fB
 | 
			
		||||
#include <png.h>\fP
 | 
			
		||||
@ -508,7 +508,7 @@ 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 1.6.19 - November 12, 2015
 | 
			
		||||
 libpng version 1.6.20beta01 - November 13, 2015
 | 
			
		||||
 Updated and distributed by Glenn Randers-Pehrson
 | 
			
		||||
 <glennrp at users.sourceforge.net>
 | 
			
		||||
 Copyright (c) 1998-2015 Glenn Randers-Pehrson
 | 
			
		||||
@ -519,7 +519,7 @@ libpng-manual.txt - A description on how to use and modify libpng
 | 
			
		||||
 | 
			
		||||
 Based on:
 | 
			
		||||
 | 
			
		||||
 libpng versions 0.97, January 1998, through 1.6.19 - November 12, 2015
 | 
			
		||||
 libpng versions 0.97, January 1998, through 1.6.20beta01 - November 13, 2015
 | 
			
		||||
 Updated and distributed by Glenn Randers-Pehrson
 | 
			
		||||
 Copyright (c) 1998-2015 Glenn Randers-Pehrson
 | 
			
		||||
 | 
			
		||||
@ -5405,7 +5405,7 @@ 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
 | 
			
		||||
from 1,000,000 to 0x7fffffff (i.e., made unlimited).  Therefore, the
 | 
			
		||||
limits are now
 | 
			
		||||
                               default      safe
 | 
			
		||||
   png_user_width_max        0x7fffffff    1,000,000
 | 
			
		||||
@ -5831,7 +5831,7 @@ 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 1.6.19 are Y2K compliant.  It is my belief that earlier
 | 
			
		||||
upward through 1.6.20beta01 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
 | 
			
		||||
@ -5989,7 +5989,7 @@ possible without all of you.
 | 
			
		||||
 | 
			
		||||
Thanks to Frank J. T. Wojcik for helping with the documentation.
 | 
			
		||||
 | 
			
		||||
Libpng version 1.6.19 - November 12, 2015:
 | 
			
		||||
Libpng version 1.6.20beta01 - November 13, 2015:
 | 
			
		||||
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 | 
			
		||||
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 | 
			
		||||
 | 
			
		||||
@ -6014,7 +6014,7 @@ this sentence.
 | 
			
		||||
 | 
			
		||||
This code is released under the libpng license.
 | 
			
		||||
 | 
			
		||||
libpng versions 1.0.7, July 1, 2000, through 1.6.19, November 12, 2015, are
 | 
			
		||||
libpng versions 1.0.7, July 1, 2000, through 1.6.20beta01, November 13, 2015, are
 | 
			
		||||
Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, are
 | 
			
		||||
derived from libpng-1.0.6, and are distributed according to the same
 | 
			
		||||
disclaimer and license as libpng-1.0.6 with the following individuals
 | 
			
		||||
@ -6113,7 +6113,7 @@ the additional disclaimers inserted at version 1.0.7.
 | 
			
		||||
 | 
			
		||||
Glenn Randers-Pehrson
 | 
			
		||||
glennrp at users.sourceforge.net
 | 
			
		||||
November 12, 2015
 | 
			
		||||
November 13, 2015
 | 
			
		||||
 | 
			
		||||
.\" end of man page
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
@ -1,6 +1,6 @@
 | 
			
		||||
.TH LIBPNGPF 3 "November 12, 2015"
 | 
			
		||||
.TH LIBPNGPF 3 "November 13, 2015"
 | 
			
		||||
.SH NAME
 | 
			
		||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.19
 | 
			
		||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.20beta01
 | 
			
		||||
(private functions)
 | 
			
		||||
.SH SYNOPSIS
 | 
			
		||||
\fB#include \fI"pngpriv.h"
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										2
									
								
								png.5
									
									
									
									
									
								
							
							
						
						
									
										2
									
								
								png.5
									
									
									
									
									
								
							@ -1,4 +1,4 @@
 | 
			
		||||
.TH PNG 5 "November 12, 2015"
 | 
			
		||||
.TH PNG 5 "November 13, 2015"
 | 
			
		||||
.SH NAME
 | 
			
		||||
png \- Portable Network Graphics (PNG) format
 | 
			
		||||
.SH DESCRIPTION
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										6
									
								
								png.c
									
									
									
									
									
								
							
							
						
						
									
										6
									
								
								png.c
									
									
									
									
									
								
							@ -14,7 +14,7 @@
 | 
			
		||||
#include "pngpriv.h"
 | 
			
		||||
 | 
			
		||||
/* Generate a compiler error if there is an old png.h in the search path. */
 | 
			
		||||
typedef png_libpng_version_1_6_19 Your_png_h_is_not_version_1_6_19;
 | 
			
		||||
typedef png_libpng_version_1_6_20beta01 Your_png_h_is_not_version_1_6_20beta01;
 | 
			
		||||
 | 
			
		||||
/* Tells libpng that we have already handled the first "num_bytes" bytes
 | 
			
		||||
 * of the PNG file signature.  If the PNG data is embedded into another
 | 
			
		||||
@ -775,13 +775,13 @@ png_get_copyright(png_const_structrp png_ptr)
 | 
			
		||||
#else
 | 
			
		||||
#  ifdef __STDC__
 | 
			
		||||
   return PNG_STRING_NEWLINE \
 | 
			
		||||
      "libpng version 1.6.19 - November 12, 2015" PNG_STRING_NEWLINE \
 | 
			
		||||
      "libpng version 1.6.20beta01 - November 13, 2015" PNG_STRING_NEWLINE \
 | 
			
		||||
      "Copyright (c) 1998-2015 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
 | 
			
		||||
      "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
 | 
			
		||||
      "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
 | 
			
		||||
      PNG_STRING_NEWLINE;
 | 
			
		||||
#  else
 | 
			
		||||
   return "libpng version 1.6.19 - November 12, 2015\
 | 
			
		||||
   return "libpng version 1.6.20beta01 - November 13, 2015\
 | 
			
		||||
      Copyright (c) 1998-2015 Glenn Randers-Pehrson\
 | 
			
		||||
      Copyright (c) 1996-1997 Andreas Dilger\
 | 
			
		||||
      Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										25
									
								
								png.h
									
									
									
									
									
								
							
							
						
						
									
										25
									
								
								png.h
									
									
									
									
									
								
							@ -1,7 +1,7 @@
 | 
			
		||||
 | 
			
		||||
/* png.h - header file for PNG reference library
 | 
			
		||||
 *
 | 
			
		||||
 * libpng version 1.6.19, November 12, 2015
 | 
			
		||||
 * libpng version 1.6.20beta01, November 13, 2015
 | 
			
		||||
 *
 | 
			
		||||
 * Copyright (c) 1998-2015 Glenn Randers-Pehrson
 | 
			
		||||
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
 | 
			
		||||
@ -12,7 +12,8 @@
 | 
			
		||||
 * Authors and maintainers:
 | 
			
		||||
 *   libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
 | 
			
		||||
 *   libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
 | 
			
		||||
 *   libpng versions 0.97, January 1998, through 1.6.19, November 12, 2015: Glenn
 | 
			
		||||
 *   libpng versions 0.97, January 1998, through 1.6.20beta01, November 13, 2015:
 | 
			
		||||
 *     Glenn Randers-Pehrson.
 | 
			
		||||
 *   See also "Contributing Authors", below.
 | 
			
		||||
 */
 | 
			
		||||
 | 
			
		||||
@ -24,7 +25,7 @@
 | 
			
		||||
 *
 | 
			
		||||
 * This code is released under the libpng license.
 | 
			
		||||
 *
 | 
			
		||||
 * libpng versions 1.0.7, July 1, 2000, through 1.6.19, November 12, 2015, are
 | 
			
		||||
 * libpng versions 1.0.7, July 1, 2000, through 1.6.20beta01, November 13, 2015, are
 | 
			
		||||
 * Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, are
 | 
			
		||||
 * derived from libpng-1.0.6, and are distributed according to the same
 | 
			
		||||
 * disclaimer and license as libpng-1.0.6 with the following individuals
 | 
			
		||||
@ -213,13 +214,13 @@
 | 
			
		||||
 * Y2K compliance in libpng:
 | 
			
		||||
 * =========================
 | 
			
		||||
 *
 | 
			
		||||
 *    November 12, 2015
 | 
			
		||||
 *    November 13, 2015
 | 
			
		||||
 *
 | 
			
		||||
 *    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 1.6.19 are Y2K compliant.  It is my belief that
 | 
			
		||||
 *    upward through 1.6.20beta01 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
 | 
			
		||||
@ -281,9 +282,9 @@
 | 
			
		||||
 */
 | 
			
		||||
 | 
			
		||||
/* Version information for png.h - this should match the version in png.c */
 | 
			
		||||
#define PNG_LIBPNG_VER_STRING "1.6.19"
 | 
			
		||||
#define PNG_LIBPNG_VER_STRING "1.6.20beta01"
 | 
			
		||||
#define PNG_HEADER_VERSION_STRING \
 | 
			
		||||
     " libpng version 1.6.19 - November 12, 2015\n"
 | 
			
		||||
     " libpng version 1.6.20beta01 - November 13, 2015\n"
 | 
			
		||||
 | 
			
		||||
#define PNG_LIBPNG_VER_SONUM   16
 | 
			
		||||
#define PNG_LIBPNG_VER_DLLNUM  16
 | 
			
		||||
@ -291,13 +292,13 @@
 | 
			
		||||
/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
 | 
			
		||||
#define PNG_LIBPNG_VER_MAJOR   1
 | 
			
		||||
#define PNG_LIBPNG_VER_MINOR   6
 | 
			
		||||
#define PNG_LIBPNG_VER_RELEASE 19
 | 
			
		||||
#define PNG_LIBPNG_VER_RELEASE 20
 | 
			
		||||
 | 
			
		||||
/* This should match the numeric part of the final component of
 | 
			
		||||
 * PNG_LIBPNG_VER_STRING, omitting any leading zero:
 | 
			
		||||
 */
 | 
			
		||||
 | 
			
		||||
#define PNG_LIBPNG_VER_BUILD  0
 | 
			
		||||
#define PNG_LIBPNG_VER_BUILD  01
 | 
			
		||||
 | 
			
		||||
/* Release Status */
 | 
			
		||||
#define PNG_LIBPNG_BUILD_ALPHA    1
 | 
			
		||||
@ -314,7 +315,7 @@
 | 
			
		||||
#define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with
 | 
			
		||||
                                       PNG_LIBPNG_BUILD_PRIVATE */
 | 
			
		||||
 | 
			
		||||
#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_STABLE
 | 
			
		||||
#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_BETA
 | 
			
		||||
 | 
			
		||||
/* Careful here.  At one time, Guy wanted to use 082, but that would be octal.
 | 
			
		||||
 * We must not include leading zeros.
 | 
			
		||||
@ -322,7 +323,7 @@
 | 
			
		||||
 * version 1.0.0 was mis-numbered 100 instead of 10000).  From
 | 
			
		||||
 * version 1.0.1 it's    xxyyzz, where x=major, y=minor, z=release
 | 
			
		||||
 */
 | 
			
		||||
#define PNG_LIBPNG_VER 10619 /* 1.6.19 */
 | 
			
		||||
#define PNG_LIBPNG_VER 10620 /* 1.6.20 */
 | 
			
		||||
 | 
			
		||||
/* Library configuration: these options cannot be changed after
 | 
			
		||||
 * the library has been built.
 | 
			
		||||
@ -432,7 +433,7 @@ extern "C" {
 | 
			
		||||
/* This triggers a compiler error in png.c, if png.c and png.h
 | 
			
		||||
 * do not agree upon the version number.
 | 
			
		||||
 */
 | 
			
		||||
typedef char* png_libpng_version_1_6_19;
 | 
			
		||||
typedef char* png_libpng_version_1_6_20beta01;
 | 
			
		||||
 | 
			
		||||
/* Basic control structions.  Read libpng-manual.txt or libpng.3 for more info.
 | 
			
		||||
 *
 | 
			
		||||
 | 
			
		||||
@ -1,7 +1,7 @@
 | 
			
		||||
 | 
			
		||||
/* pngconf.h - machine configurable file for libpng
 | 
			
		||||
 *
 | 
			
		||||
 * libpng version 1.6.19, July 23, 2015
 | 
			
		||||
 * libpng version 1.6.20beta01, November 13, 2015
 | 
			
		||||
 *
 | 
			
		||||
 * Copyright (c) 1998-2015 Glenn Randers-Pehrson
 | 
			
		||||
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										2
									
								
								pngset.c
									
									
									
									
									
								
							
							
						
						
									
										2
									
								
								pngset.c
									
									
									
									
									
								
							@ -1573,7 +1573,7 @@ png_set_user_limits (png_structrp png_ptr, png_uint_32 user_width_max,
 | 
			
		||||
{
 | 
			
		||||
   /* Images with dimensions larger than these limits will be
 | 
			
		||||
    * rejected by png_set_IHDR().  To accept any PNG datastream
 | 
			
		||||
    * regardless of dimensions, set both limits to 0x7ffffff.
 | 
			
		||||
    * regardless of dimensions, set both limits to 0x7fffffff.
 | 
			
		||||
    */
 | 
			
		||||
   if (png_ptr == NULL)
 | 
			
		||||
      return;
 | 
			
		||||
 | 
			
		||||
@ -2057,4 +2057,4 @@ main(void)
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
/* Generate a compiler error if there is an old png.h in the search path. */
 | 
			
		||||
typedef png_libpng_version_1_6_19 Your_png_h_is_not_version_1_6_19;
 | 
			
		||||
typedef png_libpng_version_1_6_20beta01 Your_png_h_is_not_version_1_6_20beta01;
 | 
			
		||||
 | 
			
		||||
@ -1,7 +1,7 @@
 | 
			
		||||
 | 
			
		||||
VisualStudio instructions
 | 
			
		||||
 | 
			
		||||
libpng version 1.6.19 - November 12, 2015
 | 
			
		||||
libpng version 1.6.20beta01 - November 13, 2015
 | 
			
		||||
 | 
			
		||||
Copyright (c) 1998-2010 Glenn Randers-Pehrson
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
@ -2,7 +2,7 @@
 | 
			
		||||
<!--
 | 
			
		||||
 * zlib.props - location of zlib source
 | 
			
		||||
 *
 | 
			
		||||
 * libpng version 1.6.19 - November 12, 2015
 | 
			
		||||
 * libpng version 1.6.20beta01 - November 13, 2015
 | 
			
		||||
 *
 | 
			
		||||
 * Copyright (c) 1998-2011 Glenn Randers-Pehrson
 | 
			
		||||
 *
 | 
			
		||||
 | 
			
		||||
@ -1,9 +1,9 @@
 | 
			
		||||
 | 
			
		||||
Makefiles for  libpng version 1.6.19 - November 12, 2015
 | 
			
		||||
Makefiles for  libpng version 1.6.20beta01 - November 13, 2015
 | 
			
		||||
 | 
			
		||||
pnglibconf.h.prebuilt       =>  Stores configuration settings
 | 
			
		||||
 makefile.linux    =>  Linux/ELF makefile
 | 
			
		||||
                       (gcc, creates libpng16.so.16.1.6.19)
 | 
			
		||||
                       (gcc, creates libpng16.so.16.1.6.20beta01)
 | 
			
		||||
 makefile.gcc      =>  Generic makefile (gcc, creates static libpng.a)
 | 
			
		||||
 makefile.knr      =>  Archaic UNIX Makefile that converts files with
 | 
			
		||||
                       ansi2knr (Requires ansi2knr.c from
 | 
			
		||||
@ -33,12 +33,12 @@ 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.16.1.6.19)
 | 
			
		||||
                       creates libpng16.so.16.1.6.20beta01)
 | 
			
		||||
 makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
 | 
			
		||||
 makefile.solaris  =>  Solaris 2.X makefile (gcc,
 | 
			
		||||
                       creates libpng16.so.16.1.6.19)
 | 
			
		||||
                       creates libpng16.so.16.1.6.20beta01)
 | 
			
		||||
 makefile.so9      =>  Solaris 9 makefile (gcc,
 | 
			
		||||
                       creates libpng16.so.16.1.6.19)
 | 
			
		||||
                       creates libpng16.so.16.1.6.20beta01)
 | 
			
		||||
 makefile.std      =>  Generic UNIX makefile (cc, creates static libpng.a)
 | 
			
		||||
 makefile.sunos    =>  Sun makefile
 | 
			
		||||
 makefile.32sunu   =>  Sun Ultra 32-bit makefile
 | 
			
		||||
 | 
			
		||||
@ -21,7 +21,7 @@ PNG_DFN "OS2 DESCRIPTION "PNG image compression library""
 | 
			
		||||
PNG_DFN "OS2 CODE PRELOAD MOVEABLE DISCARDABLE"
 | 
			
		||||
PNG_DFN ""
 | 
			
		||||
PNG_DFN "EXPORTS"
 | 
			
		||||
PNG_DFN ";Version 1.6.19"
 | 
			
		||||
PNG_DFN ";Version 1.6.20beta01"
 | 
			
		||||
 | 
			
		||||
#define PNG_EXPORTA(ordinal, type, name, args, attributes)\
 | 
			
		||||
        PNG_DFN "@" SYMBOL_PREFIX "@@" name "@"
 | 
			
		||||
 | 
			
		||||
@ -11,7 +11,7 @@
 | 
			
		||||
 | 
			
		||||
# Modeled after libxml-config.
 | 
			
		||||
 | 
			
		||||
version=1.6.19
 | 
			
		||||
version=1.6.20beta01
 | 
			
		||||
prefix=""
 | 
			
		||||
libdir=""
 | 
			
		||||
libs=""
 | 
			
		||||
 | 
			
		||||
@ -5,6 +5,6 @@ includedir=@includedir@/libpng16
 | 
			
		||||
 | 
			
		||||
Name: libpng
 | 
			
		||||
Description: Loads and saves PNG files
 | 
			
		||||
Version: 1.6.19
 | 
			
		||||
Version: 1.6.20beta01
 | 
			
		||||
Libs: -L${libdir} -lpng16
 | 
			
		||||
Cflags: -I${includedir}
 | 
			
		||||
 | 
			
		||||
@ -23,7 +23,7 @@
 | 
			
		||||
 | 
			
		||||
VERMAJ = 1
 | 
			
		||||
VERMIN = 6
 | 
			
		||||
VERMIC = 19
 | 
			
		||||
VERMIC = 20
 | 
			
		||||
VER = $(VERMAJ).$(VERMIN).$(VERMIC)
 | 
			
		||||
NAME = libpng
 | 
			
		||||
PACKAGE = $(NAME)-$(VER)
 | 
			
		||||
 | 
			
		||||
@ -10,7 +10,7 @@
 | 
			
		||||
# Library name:
 | 
			
		||||
LIBNAME = libpng16
 | 
			
		||||
PNGMAJ = 16
 | 
			
		||||
RELEASE = 19
 | 
			
		||||
RELEASE = 20
 | 
			
		||||
 | 
			
		||||
# Shared library names:
 | 
			
		||||
LIBSO=$(LIBNAME).so
 | 
			
		||||
 | 
			
		||||
@ -18,7 +18,7 @@ exec_prefix=$(prefix)
 | 
			
		||||
# Library name:
 | 
			
		||||
LIBNAME = libpng16
 | 
			
		||||
PNGMAJ = 16
 | 
			
		||||
RELEASE = 19
 | 
			
		||||
RELEASE = 20
 | 
			
		||||
 | 
			
		||||
# Shared library names:
 | 
			
		||||
LIBSO=$(LIBNAME).dll
 | 
			
		||||
 | 
			
		||||
@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng16
 | 
			
		||||
 | 
			
		||||
LIB=	png16
 | 
			
		||||
SHLIB_MAJOR=	0
 | 
			
		||||
SHLIB_MINOR=	1.6.19
 | 
			
		||||
SHLIB_MINOR=	1.6.20beta01
 | 
			
		||||
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
 | 
			
		||||
 | 
			
		||||
@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include
 | 
			
		||||
 | 
			
		||||
LIB=	png
 | 
			
		||||
SHLIB_MAJOR=	16
 | 
			
		||||
SHLIB_MINOR=	1.6.19
 | 
			
		||||
SHLIB_MINOR=	1.6.20beta01
 | 
			
		||||
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
 | 
			
		||||
 | 
			
		||||
@ -11,7 +11,7 @@ LIBDIR=	${PREFIX}/lib
 | 
			
		||||
MANDIR= ${PREFIX}/man/cat
 | 
			
		||||
 | 
			
		||||
SHLIB_MAJOR=	16
 | 
			
		||||
SHLIB_MINOR=	1.6.19
 | 
			
		||||
SHLIB_MINOR=	1.6.20beta01
 | 
			
		||||
 | 
			
		||||
LIB=	png
 | 
			
		||||
SRCS=	png.c pngerror.c pngget.c pngmem.c pngpread.c \
 | 
			
		||||
 | 
			
		||||
@ -1,8 +1,8 @@
 | 
			
		||||
/* libpng 1.6.19 STANDARD API DEFINITION */
 | 
			
		||||
/* libpng 1.6.20beta01 STANDARD API DEFINITION */
 | 
			
		||||
 | 
			
		||||
/* pnglibconf.h - library build configuration */
 | 
			
		||||
 | 
			
		||||
/* Libpng version 1.6.19 - November 12, 2015 */
 | 
			
		||||
/* Libpng version 1.6.20beta01 - November 13, 2015 */
 | 
			
		||||
 | 
			
		||||
/* Copyright (c) 1998-2015 Glenn Randers-Pehrson */
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
@ -1,4 +1,4 @@
 | 
			
		||||
;Version 1.6.19
 | 
			
		||||
;Version 1.6.20beta01
 | 
			
		||||
;--------------------------------------------------------------
 | 
			
		||||
; LIBPNG symbol list as a Win32 DEF file
 | 
			
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; Contains all the symbols that can be exported from libpng
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