[alpha] Imported from libpng-1.4.1alpha01.tar

It will be replaced in the future with a function that accounts for gamma.

ANNOUNCE

@@ -1,5 +1,5 @@
 
-Libpng 1.4.1beta12 - February 14, 2010
+Libpng 1.4.1alpha01 - November 27, 2009
 
 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.
@@ -9,82 +9,25 @@ Files available for download:
 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script
 
-   1.4.1beta12.tar.xz (LZMA-compressed, recommended)
-   1.4.1beta12.tar.gz
-   1.4.1beta12.tar.bz2
+   1.4.1alpha01.tar.xz (LZMA-compressed, recommended)
+   1.4.1alpha01.tar.gz
+   1.4.1alpha01.tar.bz2
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp141b12.zip
-   lp141b12.7z
+   lp141a01.zip
+   lp141a01.7z
 
 Other information:
 
-   1.4.1beta12-README.txt
-   1.4.1beta12-LICENSE.txt
+   1.4.1alpha01-README.txt
+   1.4.1alpha01-LICENSE.txt
 
-Changes since the last public release (1.4.0):
-
-version 1.4.1beta01 [January 10, 2010]
-  Updated CMakeLists.txt for consistent indentation and to avoid an
-    unclosed if-statement warning (Philip Lowman).
-  Revised Makefile.am and Makefile.in to remove references to Y2KINFO,
-    KNOWNBUG, and libpng.la (Robert Schwebel).
-  Revised the makefiles to install the same files and symbolic
-    links as configure, except for libpng.la and libpng14.la.
-  Make png_set|get_compression_buffer_size() available even when
-    PNG_WRITE_SUPPORTED is not enabled.
-  Revised Makefile.am and Makefile.in to simplify their maintenance.
-  Revised scripts/makefile.linux to install a link to libpng14.so.14.1
-
-version 1.4.1beta02 [January 9, 2010]
-  Revised the rest of the makefiles to install a link to libpng14.so.14.1
-
-version 1.4.1beta03 [January 10, 2010]
-  Removed png_set_premultiply_alpha() from scripts/*.def
-
-version 1.4.1rc01 [January 16, 2010]
-  No changes.
-
-version 1.4.1beta04 [January 23, 2010]
-  Revised png_decompress_chunk() to improve speed and memory usage when
-    decoding large chunks.
-  Added png_set|get_chunk_malloc_max() functions.
-
-version 1.4.1beta05 [January 26, 2010]
-  Relocated "int k" declaration in pngtest.c to minimize its scope.
-
-version 1.4.1beta06 [January 28, 2010]
-  Revised png_decompress_chunk() to use a two-pass method suggested by
-    John Bowler.
-
-version 1.4.1beta07 [February 6, 2010]
-  Folded some long lines in the source files.
-  Added defineable PNG_USER_CHUNK_CACHE_MAX and PNG_USER_CHUNK_MALLOC_MAX
-  Eliminated use of png_ptr->irowbytes and reused the slot in png_ptr as
-    png_ptr->png_user_chunk_malloc_max.
-  Revised png_push_save_buffer() to do fewer but larger png_malloc() calls.
-
-version 1.4.1beta08 [February 6, 2010]
-  Minor cleanup and updating of dates and copyright year.
-
-version 1.4.1beta09 [February 7, 2010]
-  Reverted to original png_push_save_buffer() code.
-
-version 1.4.1beta10 [February 9, 2010]
-  Return allocated "old_buffer" in png_push_save_buffer() before calling
-    png_error(), to avoid a potential memory leak.
-
-version 1.4.1beta11 [February 12, 2010]
-  Removed the cbuilder5 project, which has not been updated to 1.4.0.
-  Removed unused "buffer_size" variable from png_decompress_chunk().
-  Relocated misplaced closing curley bracket in png_decompress_chunk().
-  Complete rewrite of two-pass png_decompress_chunk() by John Bowler.
-
-version 1.4.1beta12 [February 14, 2010]
-  Fixed typecast of png_get_user_malloc_max() in pngget.c (Daisuke Nishikawa)
+Changes since the last public release (1.4.0beta107):
 
+version 1.4.1alpha01 [November 27, 2009]
+  Based on version 1.4.0beta107
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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CHANGES

@@ -2396,129 +2396,18 @@ version 1.4.0beta104 [November 22, 2009]
   Rebuilt configure scripts with autoconf-2.65
 
 version 1.4.0beta105 [November 25, 2009]
-  Use fast integer PNG_DIVIDE_BY_255() or PNG_DIVIDE_BY_65535()
-    to accomplish alpha premultiplication when
-    PNG_READ_COMPOSITE_NODIV_SUPPORTED is defined.
+  Use fast integer PNG_DIVIDE_BY_255() or PNG_DIVIDE_BY_65535() to accomplish
+    alpha premultiplication when PNG_READ_COMPOSITE_NODIV_SUPPORTED is defined.
   Changed "/255" to "/255.0" in background calculations to make it clear
     that the 255 is used as a double.
 
 version 1.4.0beta106 [November 27, 2009]
   Removed premultiplied alpha feature.
 
-version 1.4.0beta107 [December 4, 2009]
+version 1.4.0beta107 [November 27, 2009]
   Updated README
-  Added "#define PNG_NO_PEDANTIC_WARNINGS" in the libpng source files.
-  Removed "-DPNG_CONFIGURE_LIBPNG" from the makefiles and projects.
-  Revised scripts/makefile.netbsd, makefile.openbsd, and makefile.sco
-    to put png.h and pngconf.h in $prefix/include, like the other scripts,
-    instead of in $prefix/include/libpng.  Also revised makefile.sco
-    to put them in $prefix/include/libpng14 instead of in
-    $prefix/include/libpng/libpng14.
 
-version 1.4.0beta108 [December 11, 2009]
-  Removed leftover "-DPNG_CONFIGURE_LIBPNG" from contrib/pngminim/*/makefile
-  Relocated png_do_chop() to its original position in pngrtran.c; the
-    change in version 1.2.41beta08 caused transparency to be handled wrong
-    in some 16-bit datastreams (Yusaku Sugai).
-
-version 1.4.0beta109 [December 13, 2009]
-  Added "bit_depth" parameter to the private png_build_gamma_table() function.
-  Pass bit_depth=8 to png_build_gamma_table() when bit_depth is 16 but the
-    PNG_16_TO_8 transform has been set, to avoid unnecessary build of 16-bit
-    tables.
-
-version 1.4.0rc02 [December 20, 2009]
-  Declared png_cleanup_needed "volatile" in pngread.c and pngwrite.c
-
-version 1.4.0rc03 [December 22, 2009]
-  Renamed libpng-pc.in back to libpng.pc.in and revised CMakeLists.txt
-    (revising the change in 1.4.0beta99)
-
-version 1.4.0rc04 [December 25, 2009]
-  Swapped PNG_UNKNOWN_CHUNKS_SUPPORTED and PNG_HANDLE_AS_UNKNOWN_SUPPORTED
-    in pngset.c to be consistent with other changes in version 1.2.38.
-
-version 1.4.0rc05 [December 25, 2009]
-  Changed "libpng-pc.in" to "libpng.pc.in" in configure.ac, configure, and
-    Makefile.in to be consistent with changes in libpng-1.4.0rc03
-
-version 1.4.0rc06 [December 29, 2009]
-  Reverted the gamma_table changes from libpng-1.4.0beta109.
-  Fixed some indentation errors.
-
-version 1.4.0rc07 [January 1, 2010]
-  Revised libpng*.txt and libpng.3 about 1.2.x->1.4.x differences.
-  Use png_calloc() instead of png_malloc(); png_memset() in pngrutil.c
-  Update copyright year to 2010.
-
-version 1.4.0rc08 [January 2, 2010]
-  Avoid deprecated references to png_ptr-io_ptr and png_ptr->error_ptr
-    in pngtest.c
-
-version 1.4.0 [January 3, 2010]
-  No changes.
-
-version 1.4.1beta01 [January 8, 2010]
-  Updated CMakeLists.txt for consistent indentation and to avoid an
-    unclosed if-statement warning (Philip Lowman).
-  Revised Makefile.am and Makefile.in to remove references to Y2KINFO,
-    KNOWNBUG, and libpng.la (Robert Schwebel).
-  Revised the makefiles to install the same files and symbolic
-    links as configure, except for libpng.la and libpng14.la.
-  Make png_set|get_compression_buffer_size() available even when
-    PNG_WRITE_SUPPORTED is not enabled.
-  Revised Makefile.am and Makefile.in to simplify their maintenance.
-  Revised scripts/makefile.linux to install a link to libpng14.so.14.1
-
-version 1.4.1beta02 [January 9, 2010]
-  Revised the rest of the makefiles to install a link to libpng14.so.14.1
-
-version 1.4.1beta03 [January 10, 2010]
-  Removed png_set_premultiply_alpha() from scripts/*.def
-
-version 1.4.1rc01 [January 16, 2010]
-  No changes.
-
-version 1.4.1beta04 [January 23, 2010]
-  Revised png_decompress_chunk() to improve speed and memory usage when
-    decoding large chunks.
-  Added png_set|get_chunk_malloc_max() functions.
-
-version 1.4.1beta05 [January 26, 2010]
-  Relocated "int k" declaration in pngtest.c to minimize its scope.
-
-version 1.4.1beta06 [January 28, 2010]
-  Revised png_decompress_chunk() to use a two-pass method suggested by
-    John Bowler.
-
-version 1.4.1beta07 [February 6, 2010]
-  Folded some long lines in the source files.
-  Added defineable PNG_USER_CHUNK_CACHE_MAX, PNG_USER_CHUNK_MALLOC_MAX,
-    and a PNG_USER_LIMITS_SUPPORTED flag.
-  Eliminated use of png_ptr->irowbytes and reused the slot in png_ptr as
-    png_ptr->png_user_chunk_malloc_max.
-  Revised png_push_save_buffer() to do fewer but larger png_malloc() calls.
-
-version 1.4.1beta08 [February 6, 2010]
-  Minor cleanup and updating of dates and copyright year.
-
-version 1.4.1beta09 [February 7, 2010]
-  Reverted to original png_push_save_buffer() code.
-
-version 1.4.1beta10 [February 9, 2010]
-  Return allocated "old_buffer" in png_push_save_buffer() before calling
-    png_error(), to avoid a potential memory leak.
-
-version 1.4.1beta11 [February 12, 2010]
-  Relocated misplaced closing curley bracket in png_decompress_chunk().
-  Removed unused "buffer_size" variable from png_decompress_chunk().
-  Removed the cbuilder5 project, which has not been updated to 1.4.0.
-  Complete rewrite of two-pass png_decompress_chunk() by John Bowler.
-
-version 1.4.1beta12 [February 14, 2010]
-  Fixed typecast of png_get_user_malloc_max() in pngget.c (Daisuke Nishikawa)
-
-version 1.4.1rc02 [February 14, 2010]
+version 1.4.1alpha01 [November 27, 2009]
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

CMakeLists.txt

@@ -1,20 +1,14 @@
 cmake_minimum_required(VERSION 2.4.3)
-set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
-
 if(UNIX AND NOT DEFINED CMAKE_BUILD_TYPE)
-  set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING 
-      "Choose the type of build, options are:
-         None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used)
-         Debug
-         Release
-         RelWithDebInfo
-         MinSizeRel.")
+   set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING "Choose the type of
+   build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug
+   Release RelWithDebInfo MinSizeRel.")
 endif()
 
-project(libpng C)
+project(PNG C)
 enable_testing()
 
-# Copyright (C) 2007-2010 Glenn Randers-Pehrson
+# Copyright (C) 2007 Glenn Randers-Pehrson
 
 # This code is released under the libpng license.
 # For conditions of distribution and use, see the disclaimer
@@ -26,22 +20,24 @@ set(PNGLIB_RELEASE 1)
 set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
 set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})
 
+set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
+
 # needed packages
 find_package(ZLIB REQUIRED)
 include_directories(${ZLIB_INCLUDE_DIR})
 
 if(NOT WIN32)
-  find_library(M_LIBRARY
-    NAMES m
-    PATHS /usr/lib /usr/local/lib
-  )
-  if(NOT M_LIBRARY)
-    message(STATUS
-      "math library 'libm' not found - floating point support disabled")
-  endif()
+ find_library(M_LIBRARY
+     NAMES m
+     PATHS /usr/lib /usr/local/lib
+ )
+ if(NOT M_LIBRARY)
+   message(STATUS
+     "math library 'libm' not found - floating point support disabled")
+ endif()
 else()
-  # not needed on windows
-  set(M_LIBRARY "")
+ # not needed on windows
+ set(M_LIBRARY "")
 endif()
 
 # COMMAND LINE OPTIONS
@@ -58,9 +54,9 @@ endif()
 
 if(MINGW)
   option(PNG_TESTS  "Build pngtest" NO)
-else()
+else(MINGW)
   option(PNG_TESTS  "Build pngtest" YES)
-endif()
+endif(MINGW)
 
 option(PNG_NO_CONSOLE_IO "FIXME" YES)
 option(PNG_NO_STDIO      "FIXME" YES)
@@ -72,22 +68,21 @@ option(PNGARG            "FIXME" YES)
 # maybe needs improving, but currently I don't know when we can enable what :)
 set(png_asm_tmp "OFF")
 if(NOT WIN32)
-  find_program(uname_executable NAMES uname PATHS /bin /usr/bin /usr/local/bin)
-  if(uname_executable)
-    exec_program(${uname_executable}
-                 ARGS --machine OUTPUT_VARIABLE uname_output)
-    if("uname_output" MATCHES "^.*i[1-9]86.*$")
+ find_program(uname_executable NAMES uname PATHS /bin /usr/bin /usr/local/bin)
+ if(uname_executable)
+   EXEC_PROGRAM(${uname_executable} ARGS --machine OUTPUT_VARIABLE uname_output)
+   if("uname_output" MATCHES "^.*i[1-9]86.*$")
       set(png_asm_tmp "ON")
-    else("uname_output" MATCHES "^.*i[1-9]86.*$")
+   else("uname_output" MATCHES "^.*i[1-9]86.*$")
       set(png_asm_tmp "OFF")
-    endif("uname_output" MATCHES "^.*i[1-9]86.*$")
-  endif(uname_executable)
+   endif("uname_output" MATCHES "^.*i[1-9]86.*$")
+ endif(uname_executable)
 else()
-  # this env var is normally only set on win64
-  set(TEXT "ProgramFiles(x86)")
-  if("$ENV{${TEXT}}" STREQUAL "")
-    set(png_asm_tmp "ON")
-  endif("$ENV{${TEXT}}" STREQUAL "")
+ # this env var is normally only set on win64
+ SET(TEXT "ProgramFiles(x86)")
+ if("$ENV{${TEXT}}" STREQUAL "")
+  set(png_asm_tmp "ON")
+ endif("$ENV{${TEXT}}" STREQUAL "")
 endif()
 
 # SET LIBNAME
@@ -99,27 +94,27 @@ set(CMAKE_DEBUG_POSTFIX "d")
 
 # OUR SOURCES
 set(libpng_sources
-  png.h
-  pngconf.h
+ png.h
+ pngconf.h
  pngpriv.h
-  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.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
 )
 set(pngtest_sources
-  pngtest.c
+       pngtest.c
 )
 # SOME NEEDED DEFINITIONS
 
@@ -130,63 +125,62 @@ if(MSVC)
 endif(MSVC)
 
 if(PNG_SHARED OR  NOT MSVC)
-  #if building msvc static this has NOT to be defined
-  add_definitions(-DZLIB_DLL)
+	#if building msvc static this has NOT to be defined
+	add_definitions(-DZLIB_DLL)
 endif()
 
-
 if(PNG_CONSOLE_IO_SUPPORTED)
-  add_definitions(-DPNG_CONSOLE_IO_SUPPORTED)
+ add_definitions(-DPNG_CONSOLE_IO_SUPPORTED)
 endif()
 
 if(PNG_NO_CONSOLE_IO)
-  add_definitions(-DPNG_NO_CONSOLE_IO)
+ add_definitions(-DPNG_NO_CONSOLE_IO)
 endif()
 
 if(PNG_NO_STDIO)
-  add_definitions(-DPNG_NO_STDIO)
+ add_definitions(-DPNG_NO_STDIO)
 endif()
 
 if(PNG_DEBUG)
-  add_definitions(-DPNG_DEBUG)
+ add_definitions(-DPNG_DEBUG)
 endif()
 
 if(NOT M_LIBRARY AND NOT WIN32)
-  add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED)
+ add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED)
 endif()
 
 # NOW BUILD OUR TARGET
-include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${ZLIB_INCLUDE_DIR})
+include_directories(${PNG_SOURCE_DIR} ${ZLIB_INCLUDE_DIR})
 
 if(PNG_SHARED)
-  add_library(${PNG_LIB_NAME} SHARED ${libpng_sources})
-  if(MSVC)
-    # msvc does not append 'lib' - do it here to have consistent name
-    set_target_properties(${PNG_LIB_NAME} PROPERTIES PREFIX "lib")
-  endif()
-  target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY})
+ add_library(${PNG_LIB_NAME} SHARED ${libpng_sources})
+ if(MSVC)
+   # msvc does not append 'lib' - do it here to have consistent name
+   set_target_properties(${PNG_LIB_NAME} PROPERTIES PREFIX "lib")
+ endif()
+ target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY})
 endif()
 
 if(PNG_STATIC)
 # does not work without changing name
-  set(PNG_LIB_NAME_STATIC ${PNG_LIB_NAME}_static)
-  add_library(${PNG_LIB_NAME_STATIC} STATIC ${libpng_sources})
-  if(MSVC)
-    # msvc does not append 'lib' - do it here to have consistent name
-    set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES PREFIX "lib")
-  endif()
+ set(PNG_LIB_NAME_STATIC ${PNG_LIB_NAME}_static)
+ add_library(${PNG_LIB_NAME_STATIC} STATIC ${libpng_sources})
+ if(MSVC)
+   # msvc does not append 'lib' - do it here to have consistent name
+   set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES PREFIX "lib")
+ endif()
 endif()
 
 
 if(PNG_SHARED AND WIN32)
-  set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL)
+ set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL)
 endif()
 
 if(PNG_TESTS AND PNG_SHARED)
-  # does not work with msvc due to png_lib_ver issue
-  add_executable(pngtest ${pngtest_sources})
-  target_link_libraries(pngtest ${PNG_LIB_NAME})
-  add_test(pngtest pngtest ${CMAKE_CURRENT_SOURCE_DIR}/pngtest.png)
+# does not work with msvc due to png_lib_ver issue
+ add_executable(pngtest ${pngtest_sources})
+ target_link_libraries(pngtest ${PNG_LIB_NAME})
+ add_test(pngtest pngtest ${PNG_SOURCE_DIR}/pngtest.png)
 endif()
 
 
@@ -197,69 +191,62 @@ set(exec_prefix ${CMAKE_INSTALL_PREFIX})
 set(libdir      ${CMAKE_INSTALL_PREFIX}/lib)
 set(includedir  ${CMAKE_INSTALL_PREFIX}/include)
 
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
-  ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc)
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
-  ${CMAKE_CURRENT_BINARY_DIR}/libpng-config)
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
-  ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc)
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
-  ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config)
+configure_file(${PNG_SOURCE_DIR}/libpng-pc.in
+  ${PNG_BINARY_DIR}/libpng.pc)
+configure_file(${PNG_SOURCE_DIR}/libpng-config.in
+  ${PNG_BINARY_DIR}/libpng-config)
+configure_file(${PNG_SOURCE_DIR}/libpng-pc.in
+  ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc)
+configure_file(${PNG_SOURCE_DIR}/libpng-config.in
+  ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config)
 
 # SET UP LINKS
 if(PNG_SHARED)
   set_target_properties(${PNG_LIB_NAME} PROPERTIES
-#   VERSION 14.${PNGLIB_RELEASE}.1.4.1beta12
-    VERSION 14.${PNGLIB_RELEASE}.0
-    SOVERSION 14
-    CLEAN_DIRECT_OUTPUT 1)
+#    VERSION 14.${PNGLIB_RELEASE}.1.4.1alpha01
+     VERSION 14.${PNGLIB_RELEASE}.0
+     SOVERSION 14
+     CLEAN_DIRECT_OUTPUT 1)
 endif()
 if(PNG_STATIC)
   if(NOT WIN32)
     # that's uncool on win32 - it overwrites our static import lib...
     set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES
-      OUTPUT_NAME ${PNG_LIB_NAME}
-      CLEAN_DIRECT_OUTPUT 1)
+       OUTPUT_NAME ${PNG_LIB_NAME}
+       CLEAN_DIRECT_OUTPUT 1)
   endif()
 endif()
 
 # INSTALL
 if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
-  if(PNG_SHARED)
-    install(TARGETS ${PNG_LIB_NAME}
+    if(PNG_SHARED)
+        install(TARGETS ${PNG_LIB_NAME}
             RUNTIME DESTINATION bin
             LIBRARY DESTINATION lib
             ARCHIVE DESTINATION lib)
-  endif()
-  if(PNG_STATIC)
-    install(TARGETS ${PNG_LIB_NAME_STATIC}
+    endif()
+    if(PNG_STATIC)
+        install(TARGETS ${PNG_LIB_NAME_STATIC}
             LIBRARY DESTINATION lib
             ARCHIVE DESTINATION lib)
-  endif()
+    endif()
 endif()
 
 if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
-  install(FILES png.h pngconf.h         DESTINATION include)
-  install(FILES png.h pngconf.h         DESTINATION include/${PNGLIB_NAME})
+    install(FILES png.h pngconf.h pngpriv.h         DESTINATION include)
+    install(FILES png.h pngconf.h pngpriv.h         DESTINATION include/${PNGLIB_NAME})
 endif()
 if(NOT SKIP_INSTALL_EXECUTABLES AND NOT SKIP_INSTALL_ALL )
-  install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config DESTINATION bin)
-  install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
-          DESTINATION bin)
+    install(PROGRAMS ${PNG_BINARY_DIR}/libpng-config      DESTINATION bin)
+    install(PROGRAMS ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config DESTINATION bin)
 endif()
 if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
-  # Install man pages
-  install(FILES libpng.3 libpngpf.3             DESTINATION man/man3)
-  install(FILES png.5                           DESTINATION man/man5)
-  # Install pkg-config files
-  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc
-          DESTINATION lib/pkgconfig)
-  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng-config
-          DESTINATION bin)
-  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc
-          DESTINATION lib/pkgconfig)
-  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
-          DESTINATION bin)
+    install(FILES libpng.3 libpngpf.3             DESTINATION man/man3)
+    install(FILES png.5                           DESTINATION man/man5)
+    install(FILES ${PNG_BINARY_DIR}/libpng.pc     DESTINATION lib/pkgconfig)
+    install(FILES ${PNG_BINARY_DIR}/libpng-config      DESTINATION bin)
+    install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc  DESTINATION lib/pkgconfig)
+    install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config DESTINATION bin)
 endif()
 
 # what's with libpng.txt and all the extra files?

INSTALL

@@ -1,5 +1,5 @@
 
-Installing libpng version 1.4.1beta12 - February 14, 2010
+Installing libpng version 1.4.1alpha01 - November 27, 2009
 
 On Unix/Linux and similar systems, you can simply type
 
@@ -46,7 +46,7 @@ to have access to the zlib.h and zconf.h include files that
 correspond to the version of zlib that's installed.
 
 You can rename the directories that you downloaded (they
-might be called "libpng-1.4.1beta12" or "libpng14" and "zlib-1.2.3"
+might be called "libpng-1.4.1alpha01" or "libpng14" and "zlib-1.2.3"
 or "zlib123") so that you have directories called "zlib" and "libpng".
 
 Your directory structure should look like this:
@@ -60,8 +60,10 @@ Your directory structure should look like this:
           CMakeLists.txt    =>  "cmake" script
           configuration files:
              configure.ac, configure, Makefile.am, Makefile.in,
-             autogen.sh, config.guess, ltmain.sh, missing,
-             aclocal.m4, config.h.in, config.sub,
+%12-%             autogen.sh, config.guess, ltmain.sh, missing,
+%12-%             aclocal.m4, config.h.in, config.sub,
+%14+%             autogen.sh, config.guess, ltmain.sh, missing, libpng-pc.in,
+%14+%             libpng-config.in, aclocal.m4, config.h.in, config.sub,
              depcomp, install-sh, mkinstalldirs, test-pngtest.sh
           contrib
              gregbook

LICENSE

@@ -10,7 +10,7 @@ this sentence.
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.4.1beta12, February 14, 2010, are
+libpng versions 1.2.6, August 15, 2004, through 1.4.1alpha01, November 27, 2009, 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
@@ -108,4 +108,4 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-February 14, 2010
+November 27, 2009

Makefile.am

@@ -1,6 +1,12 @@
 # Makefile.am:
 #   Source file for Makefile.in (and hence Makefile)
 #
+# Makefile.am need only be changed on a major version number
+# change (e.g. libpng12 --> libpng13).  In that case seach
+# this file for every instance of the old base name (libpng12)
+# and change to the new one (libpng13), then change the
+# -version-number settings below so that the new values have
+# the correct major part (first field).
 
 PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
 
@@ -10,7 +16,7 @@ AUTOMAKE_OPTIONS = foreign
 # test programs - run on make check, make distcheck
 check_PROGRAMS= pngtest
 pngtest_SOURCES = pngtest.c
-pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
+pngtest_LDADD = libpng14.la
 TESTS = test-pngtest.sh
 TESTS_ENVIRONMENT= srcdir=$(srcdir) 
 
@@ -18,32 +24,33 @@ TESTS_ENVIRONMENT= srcdir=$(srcdir)
 dist_man_MANS= libpng.3 libpngpf.3 png.5
 
 # generate the -config scripts if required
-binconfigs= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config 
-EXTRA_SCRIPTS= libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
+binconfigs= libpng14-config 
+EXTRA_SCRIPTS= libpng-config libpng14-config
 bin_SCRIPTS= @binconfigs@
 
 # rules to build libpng, only build the old library on request
-lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
-# EXTRA_LTLIBRARIES= libpng.la
-libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngset.c pngget.c pngrutil.c \
+lib_LTLIBRARIES=libpng14.la
+EXTRA_LTLIBRARIES= libpng.la
+libpng14_la_SOURCES = 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 \
 	png.h pngconf.h pngpriv.h
 
-libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_CPPFLAGS = @LIBPNG_DEFINES@
+libpng14_la_CPPFLAGS = @LIBPNG_DEFINES@
 
-libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \
-	-version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0
+# MAJOR UPGRADE: the version-number settings below must be changed.
+libpng14_la_LDFLAGS = -no-undefined -export-dynamic \
+	-version-number 14:@PNGLIB_RELEASE@:0
 
 if HAVE_LD_VERSION_SCRIPT
   # Versioned symbols and restricted exports
-  libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
-  libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
+  libpng14_la_LDFLAGS += -Wl,--version-script=libpng.vers
+  libpng14_la_DEPENDENCIES = libpng.vers
 else
   # Only restricted exports when possible
-  libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -export-symbols libpng.sym
-  libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
+  libpng14_la_LDFLAGS += -export-symbols libpng.sym
+  libpng14_la_DEPENDENCIES = libpng.sym
 endif
 
 # Avoid depending upon Character Ranges.
@@ -56,11 +63,11 @@ pkginclude_HEADERS= png.h pngconf.h
 # pkg-config stuff, note that libpng.pc is always required in order
 # to get the correct library
 pkgconfigdir = @pkgconfigdir@
-pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc
+pkgconfig_DATA = libpng14.pc
 
 #extra source distribution files.
 EXTRA_DIST= \
-	ANNOUNCE CHANGES INSTALL LICENSE README TODO \
+	ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO \
 	pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
 	${srcdir}/projects/cbuilder5/* \
 	${srcdir}/projects/visualc6/* \
@@ -73,9 +80,9 @@ EXTRA_DIST= \
 	${srcdir}/contrib/pngsuite/* \
 	${srcdir}/contrib/visupng/* \
 	$(TESTS) \
-	example.c libpng-1.4.1beta12.txt
+	example.c libpng-1.4.1alpha01.txt
 
-CLEANFILES= pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers \
+CLEANFILES= pngout.png libpng14.pc libpng14-config libpng.vers \
 libpng.sym
 
 MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
@@ -114,13 +121,13 @@ install-data-hook:
 	cd $(DESTDIR)$(pkgconfigdir); rm -f libpng.pc
 	cd $(DESTDIR)$(pkgconfigdir); $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc
 
-# do evil things to libpng to cause libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ to be used
+# do evil things to libpng to cause libpng14 to be used
 install-exec-hook:
 	cd $(DESTDIR)$(bindir); rm -f libpng-config
 	cd $(DESTDIR)$(bindir); $(LN_S) $(PNGLIB_BASENAME)-config libpng-config
 	@set -x;\
 	cd $(DESTDIR)$(libdir);\
-	for ext in a la so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@ sl dylib; do\
+	for ext in a la so sl dylib; do\
 		rm -f libpng.$$ext;\
                 if test -f $(PNGLIB_BASENAME).$$ext; then\
                        $(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\

Makefile.in

@@ -18,6 +18,12 @@
 # Makefile.am:
 #   Source file for Makefile.in (and hence Makefile)
 #
+# Makefile.am need only be changed on a major version number
+# change (e.g. libpng12 --> libpng13).  In that case seach
+# this file for every instance of the old base name (libpng12)
+# and change to the new one (libpng13), then change the
+# -version-number settings below so that the new values have
+# the correct major part (first field).
 
 
 
@@ -47,7 +53,7 @@ subdir = .
 DIST_COMMON = README $(am__configure_deps) $(dist_man_MANS) \
 	$(pkginclude_HEADERS) $(srcdir)/Makefile.am \
 	$(srcdir)/Makefile.in $(srcdir)/config.h.in \
-	$(srcdir)/libpng-config.in $(srcdir)/libpng.pc.in \
+	$(srcdir)/libpng-config.in $(srcdir)/libpng-pc.in \
 	$(top_srcdir)/configure INSTALL TODO config.guess config.sub \
 	depcomp install-sh ltmain.sh missing mkinstalldirs
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -85,33 +91,25 @@ am__installdirs = "$(DESTDIR)$(libdir)" "$(DESTDIR)$(bindir)" \
 	"$(DESTDIR)$(man3dir)" "$(DESTDIR)$(man5dir)" \
 	"$(DESTDIR)$(pkgconfigdir)" "$(DESTDIR)$(pkgincludedir)"
 LTLIBRARIES = $(lib_LTLIBRARIES)
-libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LIBADD =
-am_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS =  \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-png.lo \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngset.lo \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngget.lo \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngrutil.lo \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngtrans.lo \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngwutil.lo \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngread.lo \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngrio.lo \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngwio.lo \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngwrite.lo \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngrtran.lo \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngwtran.lo \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngmem.lo \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngerror.lo \
-	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngpread.lo
-libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS =  \
-	$(am_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS)
-libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LINK = $(LIBTOOL) --tag=CC \
-	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \
-	$(AM_CFLAGS) $(CFLAGS) \
-	$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS) $(LDFLAGS) -o \
-	$@
+libpng_la_LIBADD =
+libpng_la_SOURCES = libpng.c
+libpng_la_OBJECTS = libpng.lo
+libpng14_la_LIBADD =
+am_libpng14_la_OBJECTS = libpng14_la-png.lo libpng14_la-pngset.lo \
+	libpng14_la-pngget.lo libpng14_la-pngrutil.lo \
+	libpng14_la-pngtrans.lo libpng14_la-pngwutil.lo \
+	libpng14_la-pngread.lo libpng14_la-pngrio.lo \
+	libpng14_la-pngwio.lo libpng14_la-pngwrite.lo \
+	libpng14_la-pngrtran.lo libpng14_la-pngwtran.lo \
+	libpng14_la-pngmem.lo libpng14_la-pngerror.lo \
+	libpng14_la-pngpread.lo
+libpng14_la_OBJECTS = $(am_libpng14_la_OBJECTS)
+libpng14_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(libpng14_la_LDFLAGS) $(LDFLAGS) -o $@
 am_pngtest_OBJECTS = pngtest.$(OBJEXT)
 pngtest_OBJECTS = $(am_pngtest_OBJECTS)
-pngtest_DEPENDENCIES = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
+pngtest_DEPENDENCIES = libpng14.la
 SCRIPTS = $(bin_SCRIPTS)
 DEFAULT_INCLUDES = -I.@am__isrc@
 depcomp = $(SHELL) $(top_srcdir)/depcomp
@@ -126,10 +124,8 @@ CCLD = $(CC)
 LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
 	$(LDFLAGS) -o $@
-SOURCES = $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES) \
-	$(pngtest_SOURCES)
-DIST_SOURCES = $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES) \
-	$(pngtest_SOURCES)
+SOURCES = libpng.c $(libpng14_la_SOURCES) $(pngtest_SOURCES)
+DIST_SOURCES = libpng.c $(libpng14_la_SOURCES) $(pngtest_SOURCES)
 man3dir = $(mandir)/man3
 man5dir = $(mandir)/man5
 NROFF = nroff
@@ -236,7 +232,7 @@ am__tar = @am__tar@
 am__untar = @am__untar@
 
 # generate the -config scripts if required
-binconfigs = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config 
+binconfigs = libpng14-config 
 bindir = @bindir@
 build = @build@
 build_alias = @build_alias@
@@ -287,40 +283,40 @@ PNGLIB_BASENAME = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
 # libpng does not follow GNU file name conventions
 AUTOMAKE_OPTIONS = foreign
 pngtest_SOURCES = pngtest.c
-pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
+pngtest_LDADD = libpng14.la
 TESTS = test-pngtest.sh
 TESTS_ENVIRONMENT = srcdir=$(srcdir) 
 
 # man pages
 dist_man_MANS = libpng.3 libpngpf.3 png.5
-EXTRA_SCRIPTS = libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
+EXTRA_SCRIPTS = libpng-config libpng14-config
 bin_SCRIPTS = @binconfigs@
 
 # rules to build libpng, only build the old library on request
-lib_LTLIBRARIES = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
-# EXTRA_LTLIBRARIES= libpng.la
-libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngset.c pngget.c pngrutil.c \
+lib_LTLIBRARIES = libpng14.la
+EXTRA_LTLIBRARIES = libpng.la
+libpng14_la_SOURCES = 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 \
 	png.h pngconf.h pngpriv.h
 
-libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_CPPFLAGS = @LIBPNG_DEFINES@
-libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined \
-	-export-dynamic -version-number \
-	@PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0 \
-	$(am__append_1) $(am__append_2)
-@HAVE_LD_VERSION_SCRIPT_FALSE@libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
-@HAVE_LD_VERSION_SCRIPT_TRUE@libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
+libpng14_la_CPPFLAGS = @LIBPNG_DEFINES@
+
+# MAJOR UPGRADE: the version-number settings below must be changed.
+libpng14_la_LDFLAGS = -no-undefined -export-dynamic -version-number \
+	14:@PNGLIB_RELEASE@:0 $(am__append_1) $(am__append_2)
+@HAVE_LD_VERSION_SCRIPT_FALSE@libpng14_la_DEPENDENCIES = libpng.sym
+@HAVE_LD_VERSION_SCRIPT_TRUE@libpng14_la_DEPENDENCIES = libpng.vers
 
 # Avoid depending upon Character Ranges.
 AN = '_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
 pkginclude_HEADERS = png.h pngconf.h
-pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc
+pkgconfig_DATA = libpng14.pc
 
 #extra source distribution files.
 EXTRA_DIST = \
-	ANNOUNCE CHANGES INSTALL LICENSE README TODO \
+	ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO \
 	pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
 	${srcdir}/projects/cbuilder5/* \
 	${srcdir}/projects/visualc6/* \
@@ -333,9 +329,9 @@ EXTRA_DIST = \
 	${srcdir}/contrib/pngsuite/* \
 	${srcdir}/contrib/visupng/* \
 	$(TESTS) \
-	example.c libpng-1.4.1beta12.txt
+	example.c libpng-1.4.1alpha01.txt
 
-CLEANFILES = pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers \
+CLEANFILES = pngout.png libpng14.pc libpng14-config libpng.vers \
 libpng.sym
 
 MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
@@ -397,7 +393,7 @@ $(srcdir)/config.h.in: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
 
 distclean-hdr:
 	-rm -f config.h stamp-h1
-libpng.pc: $(top_builddir)/config.status $(srcdir)/libpng.pc.in
+libpng.pc: $(top_builddir)/config.status $(srcdir)/libpng-pc.in
 	cd $(top_builddir) && $(SHELL) ./config.status $@
 libpng-config: $(top_builddir)/config.status $(srcdir)/libpng-config.in
 	cd $(top_builddir) && $(SHELL) ./config.status $@
@@ -432,8 +428,10 @@ clean-libLTLIBRARIES:
 	  echo "rm -f \"$${dir}/so_locations\""; \
 	  rm -f "$${dir}/so_locations"; \
 	done
-libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la: $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES) 
-	$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LINK) -rpath $(libdir) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LIBADD) $(LIBS)
+libpng.la: $(libpng_la_OBJECTS) $(libpng_la_DEPENDENCIES) 
+	$(LINK)  $(libpng_la_OBJECTS) $(libpng_la_LIBADD) $(LIBS)
+libpng14.la: $(libpng14_la_OBJECTS) $(libpng14_la_DEPENDENCIES) 
+	$(libpng14_la_LINK) -rpath $(libdir) $(libpng14_la_OBJECTS) $(libpng14_la_LIBADD) $(LIBS)
 
 clean-checkPROGRAMS:
 	@list='$(check_PROGRAMS)'; test -n "$$list" || exit 0; \
@@ -487,21 +485,22 @@ mostlyclean-compile:
 distclean-compile:
 	-rm -f *.tab.c
 
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-png.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngerror.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngget.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngmem.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngpread.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngread.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngrio.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngrtran.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngrutil.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngset.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngtrans.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngwio.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngwrite.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngwtran.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngwutil.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-png.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-pngerror.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-pngget.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-pngmem.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-pngpread.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-pngread.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-pngrio.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-pngrtran.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-pngrutil.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-pngset.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-pngtrans.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-pngwio.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-pngwrite.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-pngwtran.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng14_la-pngwutil.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pngtest.Po@am__quote@
 
 .c.o:
@@ -525,110 +524,110 @@ distclean-compile:
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
 
-libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-png.lo: png.c
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+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng14_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng14_la-pngrtran.lo `test -f 'pngrtran.c' || echo '$(srcdir)/'`pngrtran.c
 
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+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/libpng14_la-pngerror.Tpo $(DEPDIR)/libpng14_la-pngerror.Plo
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+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng14_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng14_la-pngerror.lo `test -f 'pngerror.c' || echo '$(srcdir)/'`pngerror.c
 
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+libpng14_la-pngpread.lo: pngpread.c
+@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng14_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng14_la-pngpread.lo -MD -MP -MF $(DEPDIR)/libpng14_la-pngpread.Tpo -c -o libpng14_la-pngpread.lo `test -f 'pngpread.c' || echo '$(srcdir)/'`pngpread.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/libpng14_la-pngpread.Tpo $(DEPDIR)/libpng14_la-pngpread.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='pngpread.c' object='libpng14_la-pngpread.lo' libtool=yes @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-pngpread.lo `test -f 'pngpread.c' || echo '$(srcdir)/'`pngpread.c
+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng14_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng14_la-pngpread.lo `test -f 'pngpread.c' || echo '$(srcdir)/'`pngpread.c
 
 mostlyclean-libtool:
 	-rm -f *.lo
@@ -1239,13 +1238,13 @@ install-data-hook:
 	cd $(DESTDIR)$(pkgconfigdir); rm -f libpng.pc
 	cd $(DESTDIR)$(pkgconfigdir); $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc
 
-# do evil things to libpng to cause libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ to be used
+# do evil things to libpng to cause libpng14 to be used
 install-exec-hook:
 	cd $(DESTDIR)$(bindir); rm -f libpng-config
 	cd $(DESTDIR)$(bindir); $(LN_S) $(PNGLIB_BASENAME)-config libpng-config
 	@set -x;\
 	cd $(DESTDIR)$(libdir);\
-	for ext in a la so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@ sl dylib; do\
+	for ext in a la so sl dylib; do\
 		rm -f libpng.$$ext;\
                 if test -f $(PNGLIB_BASENAME).$$ext; then\
                        $(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\

README

@@ -1,4 +1,4 @@
-README for libpng version 1.4.1beta12 - February 14, 2010 (shared library 14.0)
+README for libpng version 1.4.1alpha01 - November 27, 2009 (shared library 14.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
@@ -185,9 +185,9 @@ Files in this distribution:
        makefile.std     =>  Generic UNIX makefile (cc, creates static
                             libpng.a)
        makefile.elf     =>  Linux/ELF makefile symbol versioning,
-                            gcc, creates libpng14.so.14.1.4.1beta12)
+                            gcc, creates libpng14.so.14.1.4.1alpha01)
        makefile.linux   =>  Linux/ELF makefile
-                            (gcc, creates libpng14.so.14.1.4.1beta12)
+                            (gcc, creates libpng14.so.14.1.4.1alpha01)
        makefile.gcc     =>  Generic makefile (gcc, creates static libpng.a)
        makefile.knr     =>  Archaic UNIX Makefile that converts files with
                             ansi2knr (Requires ansi2knr.c from
@@ -209,12 +209,12 @@ Files in this distribution:
        makefile.openbsd =>  OpenBSD makefile
        makefile.sgi     =>  Silicon Graphics IRIX (cc, creates static lib)
        makefile.sggcc   =>  Silicon Graphics
-                            (gcc, creates libpng14.so.14.1.4.1beta12)
+                            (gcc, creates libpng14.so.14.1.4.1alpha01)
        makefile.sunos   =>  Sun makefile
        makefile.solaris =>  Solaris 2.X makefile
-                            (gcc, creates libpng14.so.14.1.4.1beta12)
+                            (gcc, creates libpng14.so.14.1.4.1alpha01)
        makefile.so9     =>  Solaris 9 makefile
-                            (gcc, creates libpng14.so.14.1.4.1beta12)
+                            (gcc, creates libpng14.so.14.1.4.1alpha01)
        makefile.32sunu  =>  Sun Ultra 32-bit makefile
        makefile.64sunu  =>  Sun Ultra 64-bit makefile
        makefile.sco     =>  For SCO OSr5  ELF and Unixware 7 with Native cc
@@ -245,7 +245,7 @@ Files in this distribution:
 
 Good luck, and happy coding.
 
--Glenn Randers-Pehrson (current maintainer, since 1998)
+-Glenn Randers-Pehrson (current maintainer)
  Internet: glennrp at users.sourceforge.net
 
 -Andreas Eric Dilger (former maintainer, 1996-1997)

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.65 for libpng 1.4.1beta12.
+# Generated by GNU Autoconf 2.65 for libpng 1.4.1alpha01.
 #
 # Report bugs to <png-mng-implement@lists.sourceforge.net>.
 #
@@ -701,8 +701,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='libpng'
 PACKAGE_TARNAME='libpng'
-PACKAGE_VERSION='1.4.1beta12'
-PACKAGE_STRING='libpng 1.4.1beta12'
+PACKAGE_VERSION='1.4.1alpha01'
+PACKAGE_STRING='libpng 1.4.1alpha01'
 PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
 PACKAGE_URL=''
 
@@ -1432,7 +1432,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures libpng 1.4.1beta12 to adapt to many kinds of systems.
+\`configure' configures libpng 1.4.1alpha01 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1502,7 +1502,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of libpng 1.4.1beta12:";;
+     short | recursive ) echo "Configuration of libpng 1.4.1alpha01:";;
    esac
   cat <<\_ACEOF
 
@@ -1607,7 +1607,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-libpng configure 1.4.1beta12
+libpng configure 1.4.1alpha01
 generated by GNU Autoconf 2.65
 
 Copyright (C) 2009 Free Software Foundation, Inc.
@@ -2032,7 +2032,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by libpng $as_me 1.4.1beta12, which was
+It was created by libpng $as_me 1.4.1alpha01, which was
 generated by GNU Autoconf 2.65.  Invocation command line was
 
   $ $0 $@
@@ -2840,7 +2840,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='libpng'
- VERSION='1.4.1beta12'
+ VERSION='1.4.1alpha01'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -2904,7 +2904,7 @@ fi
 
 
 
-PNGLIB_VERSION=1.4.1beta12
+PNGLIB_VERSION=1.4.1alpha01
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=4
 PNGLIB_RELEASE=1
@@ -11493,7 +11493,7 @@ fi
 
 
 # Config files, substituting as above
-ac_config_files="$ac_config_files Makefile libpng.pc:libpng.pc.in"
+ac_config_files="$ac_config_files Makefile libpng.pc:libpng-pc.in"
 
 ac_config_files="$ac_config_files libpng-config:libpng-config.in"
 
@@ -12027,7 +12027,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by libpng $as_me 1.4.1beta12, which was
+This file was extended by libpng $as_me 1.4.1alpha01, which was
 generated by GNU Autoconf 2.65.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -12093,7 +12093,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-libpng config.status 1.4.1beta12
+libpng config.status 1.4.1alpha01
 configured by $0, generated by GNU Autoconf 2.65,
   with options \\"\$ac_cs_config\\"
 
@@ -12476,7 +12476,7 @@ do
     "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
     "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
-    "libpng.pc") CONFIG_FILES="$CONFIG_FILES libpng.pc:libpng.pc.in" ;;
+    "libpng.pc") CONFIG_FILES="$CONFIG_FILES libpng.pc:libpng-pc.in" ;;
     "libpng-config") CONFIG_FILES="$CONFIG_FILES libpng-config:libpng-config.in" ;;
 
   *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;

configure.ac

@@ -18,12 +18,12 @@ AC_PREREQ(2.59)
 
 dnl Version number stuff here:
 
-AC_INIT([libpng], [1.4.1beta12], [png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng], [1.4.1alpha01], [png-mng-implement@lists.sourceforge.net])
 AM_INIT_AUTOMAKE
 dnl stop configure from automagically running automake
 AM_MAINTAINER_MODE
 
-PNGLIB_VERSION=1.4.1beta12
+PNGLIB_VERSION=1.4.1alpha01
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=4
 PNGLIB_RELEASE=1
@@ -117,7 +117,7 @@ AC_ARG_WITH(binconfigs,
 AC_SUBST([binconfigs])
 
 # Config files, substituting as above
-AC_CONFIG_FILES([Makefile libpng.pc:libpng.pc.in])
+AC_CONFIG_FILES([Makefile libpng.pc:libpng-pc.in])
 AC_CONFIG_FILES([libpng-config:libpng-config.in],
 		[chmod +x libpng-config])
 

contrib/pngminim/decoder/makefile

@@ -7,7 +7,7 @@ LD=$(CC)
 
 RM=rm -f
 
-CFLAGS=-DPNG_USER_CONFIG -DNO_GZCOMPRESS -DNO_GZIP \
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -DPNG_USER_CONFIG -DNO_GZCOMPRESS -DNO_GZIP \
        -DdeflateParams\(a,b,c\)=Z_OK -I. -O1
 
 C=.c

contrib/pngminim/decoder/pngusr.h

@@ -69,7 +69,5 @@
 #define PNG_NO_ERROR_NUMBERS
 #define PNG_NO_EASY_ACCESS
 #define PNG_NO_PROGRESSIVE_READ
-#define PNG_NO_USER_LIMITS
-#define PNG_NO_SET_USER_LIMITS
 
 #endif /* MINRDPNGCONF_H */

contrib/pngminim/encoder/makefile

@@ -7,7 +7,7 @@ LD=$(CC)
 
 RM=rm -f
 
-CFLAGS=-DPNG_USER_CONFIG -DNO_GZIP -I. -O1
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -DPNG_USER_CONFIG -DNO_GZIP -I. -O1
 
 C=.c
 O=.o

contrib/pngminim/encoder/pngusr.h

@@ -67,7 +67,5 @@
 #define PNG_NO_ZALLOC_ZERO
 #define PNG_NO_ERROR_NUMBERS
 #define PNG_NO_EASY_ACCESS
-#define PNG_NO_USER_LIMITS
-#define PNG_NO_SET_USER_LIMITS
 
 #endif /* MINWRPNGCONF_H */

contrib/pngminim/preader/makefile

@@ -23,7 +23,7 @@ XLIB = -L/usr/X11R6/lib -lX11
 #LIBS = $(XLIB)
 LIBS = $(XLIB) -lm                      #platforms that need libm
 
-CFLAGS=-DPNG_USER_CONFIG -DNO_GZCOMPRESS -DNO_GZIP \
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -DPNG_USER_CONFIG -DNO_GZCOMPRESS -DNO_GZIP \
        -DdeflateParams\(a,b,c\)=Z_OK -I. $(XINC) -O1
 
 C=.c

contrib/pngminim/preader/pngusr.h

@@ -59,7 +59,5 @@
 #define PNG_NO_ZALLOC_ZERO
 #define PNG_NO_ERROR_NUMBERS
 #define PNG_NO_EASY_ACCESS
-#define PNG_NO_USER_LIMITS
-#define PNG_NO_SET_USER_LIMITS
 
 #endif /* MINPRDPNGCONF_H */

example.c

@@ -2,9 +2,9 @@
 #if 0 /* in case someone actually tries to compile this */
 
 /* example.c - an example of using libpng
- * Last changed in libpng 1.4.0 [January 3, 2010]
+ * Last changed in libpng 1.4.0 [November 27, 2009]
  * This file has been placed in the public domain by the authors.
- * Maintained 1998-2010 Glenn Randers-Pehrson
+ * Maintained 1998-2009 Glenn Randers-Pehrson
  * Maintained 1996, 1997 Andreas Dilger)
  * Written 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  */

libpng-1.4.1alpha01.txt

@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.4.1beta12 - February 14, 2010
+ libpng version 1.4.1alpha01 - November 27, 2009
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@ libpng.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.4.1beta12 - February 14, 2010
+ libpng versions 0.97, January 1998, through 1.4.1alpha01 - November 27, 2009
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
 
@@ -260,15 +260,6 @@ libpng know that there are some bytes missing from the start of the file.
 
     png_set_sig_bytes(png_ptr, number);
 
-You can change the zlib compression buffer size to be used while
-reading compressed data with
-
-    png_set_compression_buffer_size(png_ptr, buffer_size);
-
-where the default size is 8192 bytes.  Note that the buffer size
-is changed immediately and the buffer is reallocated immediately,
-instead of setting a flag to be acted upon later.
-
 Setting up callback code
 
 You can set up a callback function to handle any unknown chunks in the
@@ -432,18 +423,6 @@ where 0x7fffffffL means unlimited.  You can retrieve this limit with
 This limit also applies to the number of buffers that can be allocated
 by png_decompress_chunk() while decompressing iTXt, zTXt, and iCCP chunks.
 
-You can also set a limit on the amount of memory that a compressed chunk
-other than IDAT can occupy, with
-
-   png_set_chunk_malloc_max(png_ptr, user_chunk_malloc_max);
-
-and you can retrieve the limit with
-
-   chunk_malloc_max = png_get_chunk_malloc_max(png_ptr);
-
-Any chunks that would cause either of these limits to be exceeded will
-be ignored.
-
 The high-level read interface
 
 At this point there are two ways to proceed; through the high-level
@@ -899,7 +878,7 @@ things.
 As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was
 added.  It expands the sample depth without changing tRNS to alpha.
 
-As of libpng version 1.4.1beta12, not all possible expansions are supported.
+As of libpng version 1.4.1alpha01, not all possible expansions are supported.
 
 In the following table, the 01 means grayscale with depth<8, 31 means
 indexed with depth<8, other numerals represent the color type, "T" means
@@ -2500,7 +2479,7 @@ via
 Your replacement memory functions must have prototypes as follows:
 
     png_voidp malloc_fn(png_structp png_ptr,
-       png_alloc_size_t size);
+       png_size_t size);
     void free_fn(png_structp png_ptr, png_voidp ptr);
 
 Your malloc_fn() must return NULL in case of failure.  The png_malloc()
@@ -3015,12 +2994,19 @@ The function
 which also expands tRNS to alpha was replaced with
     png_set_expand_gray_1_2_4_to_8()
 which does not. It has been deprecated since libpng-1.0.18 and 1.2.9.
-
 IX.  Changes to Libpng from version 1.0.x/1.2.x to 1.4.x
 
 Private libpng prototypes and macro definitions were moved from
 png.h and pngconf.h into a new pngpriv.h header file.
 
+Support for global arrays was removed.
+
+Some obsolete/deprecated macros and functions have been removed.
+
+The obsolete, unused pnggccrd.c and pngvcrd.files were removed.
+
+The PNG_1_0_X and PNG_1_2_X macros were eliminated.
+
 Functions png_set_benign_errors(), png_benign_error(), and
 png_chunk_benign_error() were added.
 
@@ -3032,28 +3018,23 @@ were added to the library.
 We implemented support for I/O states by adding png_ptr member io_state
 and functions png_get_io_chunk_name() and png_get_io_state() in pngget.c
 
+The png_calloc() function was added and is used in place of
+of "png_malloc(); png_memset();" except in the case in png_read_png()
+where the array consists of pointers; in this case a "for" loop is used
+after the png_malloc() to set the pointers to NULL.
+
 We added PNG_TRANSFORM_GRAY_TO_RGB to the available high-level
 input transforms.
 
+The call to png_do_chop() in pngrtran.c, which reduces 16-bit input
+files to 8-bit bit depth, was relocated ahead of the building
+of gamma tables.  This allows us to build 8-bit tables instead
+of 16-bit tables, when only 8-bit tables are needed. This avoids 
+wasting some computing resources when the application has called
+the png_set_strip_16() function and encounters a 16-bit PNG file.
+
 Checking for and reporting of errors in the IHDR chunk is more thorough.
 
-Support for global arrays was removed, to improve thread safety.
-
-Some obsolete/deprecated macros and functions have been removed.
-
-Typecasted NULL definitions such as
-   #define png_voidp_NULL            (png_voidp)NULL
-were eliminated.  If you used these in your application, just use
-NULL instead.
-
-The png_struct and info_struct members "trans" and "trans_values" were
-changed to "trans_alpha" and "trans_color", respectively.
-
-The obsolete, unused pnggccrd.c and pngvcrd.c files and related makefiles
-were removed.
-
-The PNG_1_0_X and PNG_1_2_X macros were eliminated.
-
 The PNG_LEGACY_SUPPORTED macro was eliminated.
 
 Many WIN32_WCE #ifdefs were removed.
@@ -3062,6 +3043,10 @@ The functions png_read_init(info_ptr), png_write_init(info_ptr),
 png_info_init(info_ptr), png_read_destroy(), and png_write_destroy()
 have been removed.  They have been deprecated since libpng-0.95.
 
+Support for numbered error messages was removed by default, since we
+never got around to actually numbering the error messages. The function
+png_set_strip_error_numbers() was removed from the library by default.
+
 The png_permit_empty_plte() was removed. It has been deprecated
 since libpng-1.0.9.  Use png_permit_mng_features() instead.
 
@@ -3070,43 +3055,28 @@ png_set_mmx_thresholds(), png_get_asm_flags(),
 png_get_mmx_bitdepth_threshold(), png_get_mmx_rowbytes_threshold(),
 png_set_asm_flags(), and png_mmx_supported()
 
-We removed the obsolete png_check_sig(), png_memcpy_check(), and
-png_memset_check() functions.  Instead use !png_sig_cmp(), png_memcpy(),
-and png_memset(), respectively.
-
-The function png_set_gray_1_2_4_to_8() was removed. It has been
-deprecated since libpng-1.0.18 and 1.2.9, when it was replaced with
-png_set_expand_gray_1_2_4_to_8() because the former function also
-expanded palette images.
+We removed the png_check_sig(), png_memcpy_check(), and
+png_memset_check() functions.
 
 We changed the prototype for png_malloc() from
     png_malloc(png_structp png_ptr, png_uint_32 size)
 to
     png_malloc(png_structp png_ptr, png_alloc_size_t size)
 
-This also applies to the prototype for the user replacement malloc_fn().
-
-The png_calloc() function was added and is used in place of
-of "png_malloc(); png_memset();" except in the case in png_read_png()
-where the array consists of pointers; in this case a "for" loop is used
-after the png_malloc() to set the pointers to NULL, to give robust.
-behavior in case the application runs out of memory part-way through
-the process.
-
 We changed the prototypes of png_get_compression_buffer_size() and
 png_set_compression_buffer_size() to work with png_size_t instead of
 png_uint_32.
 
-Support for numbered error messages was removed by default, since we
-never got around to actually numbering the error messages. The function
-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.
 
+The png_zalloc() and png_zfree() functions are no longer exported.
+
 We removed the trailing '.' from the warning and error messages.
 
+The png_struct and info_struct members "trans" and "trans_values" were
+changed to "trans_alpha" and "trans_color", respectively.
+
 X. Detecting libpng
 
 The png_get_io_ptr() function has been present since libpng-0.88, has never
@@ -3239,19 +3209,17 @@ when there is only one macro being tested.
 
 We do not use the TAB character for indentation in the C sources.
 
-Lines do not exceed 80 characters.
-
 Other rules can be inferred by inspecting the libpng source.
 
 XIII. Y2K Compliance in libpng
 
-February 14, 2010
+November 27, 2009
 
 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 1.4.1beta12 are Y2K compliant.  It is my belief that earlier
+upward through 1.4.1alpha01 are Y2K compliant.  It is my belief that earlier
 versions were also Y2K compliant.
 
 Libpng only has three year fields.  One is a 2-byte unsigned integer that

libpng.3

@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "February 14, 2010"
+.TH LIBPNG 3 "November 27, 2009"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.4.1beta12
+libpng \- Portable Network Graphics (PNG) Reference Library 1.4.1alpha01
 .SH SYNOPSIS
 \fI\fB
 
@@ -192,10 +192,6 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.4.1beta12
 
 \fI\fB
 
-\fBpng_alloc_size_t png_get_chunk_malloc_max (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
 \fBpng_voidp png_get_mem_ptr(png_structp \fIpng_ptr\fP\fB);\fP
 
 \fI\fB
@@ -542,10 +538,6 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.4.1beta12
 
 \fI\fB
 
-\fBvoid png_set_chunk_malloc_max (png_structp \fP\fIpng_ptr\fP\fB, png_alloc_size_t \fIuser_chunk_cache_max\fP\fB);\fP
-
-\fI\fB
-
 \fBvoid png_set_mem_fn(png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP
 
 \fI\fB
@@ -785,7 +777,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
 .SH LIBPNG.TXT
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.4.1beta12 - February 14, 2010
+ libpng version 1.4.1alpha01 - November 27, 2009
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -796,7 +788,7 @@ libpng.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.4.1beta12 - February 14, 2010
+ libpng versions 0.97, January 1998, through 1.4.1alpha01 - November 27, 2009
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
 
@@ -1045,15 +1037,6 @@ libpng know that there are some bytes missing from the start of the file.
 
     png_set_sig_bytes(png_ptr, number);
 
-You can change the zlib compression buffer size to be used while
-reading compressed data with
-
-    png_set_compression_buffer_size(png_ptr, buffer_size);
-
-where the default size is 8192 bytes.  Note that the buffer size
-is changed immediately and the buffer is reallocated immediately,
-instead of setting a flag to be acted upon later.
-
 .SS Setting up callback code
 
 You can set up a callback function to handle any unknown chunks in the
@@ -1217,18 +1200,6 @@ where 0x7fffffffL means unlimited.  You can retrieve this limit with
 This limit also applies to the number of buffers that can be allocated
 by png_decompress_chunk() while decompressing iTXt, zTXt, and iCCP chunks.
 
-You can also set a limit on the amount of memory that a compressed chunk
-other than IDAT can occupy, with
-
-   png_set_chunk_malloc_max(png_ptr, user_chunk_malloc_max);
-
-and you can retrieve the limit with
-
-   chunk_malloc_max = png_get_chunk_malloc_max(png_ptr);
-
-Any chunks that would cause either of these limits to be exceeded will
-be ignored.
-
 .SS The high-level read interface
 
 At this point there are two ways to proceed; through the high-level
@@ -1684,7 +1655,7 @@ things.
 As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was
 added.  It expands the sample depth without changing tRNS to alpha.
 
-As of libpng version 1.4.1beta12, not all possible expansions are supported.
+As of libpng version 1.4.1alpha01, not all possible expansions are supported.
 
 In the following table, the 01 means grayscale with depth<8, 31 means
 indexed with depth<8, other numerals represent the color type, "T" means
@@ -3285,7 +3256,7 @@ via
 Your replacement memory functions must have prototypes as follows:
 
     png_voidp malloc_fn(png_structp png_ptr,
-       png_alloc_size_t size);
+       png_size_t size);
     void free_fn(png_structp png_ptr, png_voidp ptr);
 
 Your malloc_fn() must return NULL in case of failure.  The png_malloc()
@@ -3800,12 +3771,19 @@ The function
 which also expands tRNS to alpha was replaced with
     png_set_expand_gray_1_2_4_to_8()
 which does not. It has been deprecated since libpng-1.0.18 and 1.2.9.
-
 .SH IX.  Changes to Libpng from version 1.0.x/1.2.x to 1.4.x
 
 Private libpng prototypes and macro definitions were moved from
 png.h and pngconf.h into a new pngpriv.h header file.
 
+Support for global arrays was removed.
+
+Some obsolete/deprecated macros and functions have been removed.
+
+The obsolete, unused pnggccrd.c and pngvcrd.files were removed.
+
+The PNG_1_0_X and PNG_1_2_X macros were eliminated.
+
 Functions png_set_benign_errors(), png_benign_error(), and
 png_chunk_benign_error() were added.
 
@@ -3817,28 +3795,23 @@ were added to the library.
 We implemented support for I/O states by adding png_ptr member io_state
 and functions png_get_io_chunk_name() and png_get_io_state() in pngget.c
 
+The png_calloc() function was added and is used in place of
+of "png_malloc(); png_memset();" except in the case in png_read_png()
+where the array consists of pointers; in this case a "for" loop is used
+after the png_malloc() to set the pointers to NULL.
+
 We added PNG_TRANSFORM_GRAY_TO_RGB to the available high-level
 input transforms.
 
+The call to png_do_chop() in pngrtran.c, which reduces 16-bit input
+files to 8-bit bit depth, was relocated ahead of the building
+of gamma tables.  This allows us to build 8-bit tables instead
+of 16-bit tables, when only 8-bit tables are needed. This avoids 
+wasting some computing resources when the application has called
+the png_set_strip_16() function and encounters a 16-bit PNG file.
+
 Checking for and reporting of errors in the IHDR chunk is more thorough.
 
-Support for global arrays was removed, to improve thread safety.
-
-Some obsolete/deprecated macros and functions have been removed.
-
-Typecasted NULL definitions such as
-   #define png_voidp_NULL            (png_voidp)NULL
-were eliminated.  If you used these in your application, just use
-NULL instead.
-
-The png_struct and info_struct members "trans" and "trans_values" were
-changed to "trans_alpha" and "trans_color", respectively.
-
-The obsolete, unused pnggccrd.c and pngvcrd.c files and related makefiles
-were removed.
-
-The PNG_1_0_X and PNG_1_2_X macros were eliminated.
-
 The PNG_LEGACY_SUPPORTED macro was eliminated.
 
 Many WIN32_WCE #ifdefs were removed.
@@ -3847,6 +3820,10 @@ The functions png_read_init(info_ptr), png_write_init(info_ptr),
 png_info_init(info_ptr), png_read_destroy(), and png_write_destroy()
 have been removed.  They have been deprecated since libpng-0.95.
 
+Support for numbered error messages was removed by default, since we
+never got around to actually numbering the error messages. The function
+png_set_strip_error_numbers() was removed from the library by default.
+
 The png_permit_empty_plte() was removed. It has been deprecated
 since libpng-1.0.9.  Use png_permit_mng_features() instead.
 
@@ -3855,43 +3832,28 @@ png_set_mmx_thresholds(), png_get_asm_flags(),
 png_get_mmx_bitdepth_threshold(), png_get_mmx_rowbytes_threshold(),
 png_set_asm_flags(), and png_mmx_supported()
 
-We removed the obsolete png_check_sig(), png_memcpy_check(), and
-png_memset_check() functions.  Instead use !png_sig_cmp(), png_memcpy(),
-and png_memset(), respectively.
-
-The function png_set_gray_1_2_4_to_8() was removed. It has been
-deprecated since libpng-1.0.18 and 1.2.9, when it was replaced with
-png_set_expand_gray_1_2_4_to_8() because the former function also
-expanded palette images.
+We removed the png_check_sig(), png_memcpy_check(), and
+png_memset_check() functions.
 
 We changed the prototype for png_malloc() from
     png_malloc(png_structp png_ptr, png_uint_32 size)
 to
     png_malloc(png_structp png_ptr, png_alloc_size_t size)
 
-This also applies to the prototype for the user replacement malloc_fn().
-
-The png_calloc() function was added and is used in place of
-of "png_malloc(); png_memset();" except in the case in png_read_png()
-where the array consists of pointers; in this case a "for" loop is used
-after the png_malloc() to set the pointers to NULL, to give robust.
-behavior in case the application runs out of memory part-way through
-the process.
-
 We changed the prototypes of png_get_compression_buffer_size() and
 png_set_compression_buffer_size() to work with png_size_t instead of
 png_uint_32.
 
-Support for numbered error messages was removed by default, since we
-never got around to actually numbering the error messages. The function
-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.
 
+The png_zalloc() and png_zfree() functions are no longer exported.
+
 We removed the trailing '.' from the warning and error messages.
 
+The png_struct and info_struct members "trans" and "trans_values" were
+changed to "trans_alpha" and "trans_color", respectively.
+
 .SH X. Detecting libpng
 
 The png_get_io_ptr() function has been present since libpng-0.88, has never
@@ -4024,19 +3986,17 @@ when there is only one macro being tested.
 
 We do not use the TAB character for indentation in the C sources.
 
-Lines do not exceed 80 characters.
-
 Other rules can be inferred by inspecting the libpng source.
 
 .SH XIII. Y2K Compliance in libpng
 
-February 14, 2010
+November 27, 2009
 
 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 1.4.1beta12 are Y2K compliant.  It is my belief that earlier
+upward through 1.4.1alpha01 are Y2K compliant.  It is my belief that earlier
 versions were also Y2K compliant.
 
 Libpng only has three year fields.  One is a 2-byte unsigned integer that
@@ -4206,12 +4166,8 @@ the first widely used release:
  1.4.0beta15-36      14    10400  14.so.0.0[.0]
  1.4.0beta37-87      14    10400  14.so.14.0[.0]
  1.4.0rc01           14    10400  14.so.14.0[.0]
- 1.4.0beta88-109     14    10400  14.so.14.0[.0]
- 1.4.0rc02-08        14    10400  14.so.14.0[.0]
- 1.4.0               14    10400  14.so.14.0[.0]
- 1.4.1beta01-03      14    10401  14.so.14.1[.0]
- 1.4.1rc01           14    10401  14.so.14.1[.0]
- 1.4.1beta04-09      14    10401  14.so.14.1[.0]
+ 1.4.0beta88-107     14    10400  14.so.14.0[.0]
+ 1.4.1alpha01        14    10401  14.so.14.0[.0]
 
 Henceforth the source version will match the shared-library minor
 and patch numbers; the shared-library major version number will be
@@ -4267,7 +4223,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.4.1beta12 - February 14, 2010:
+Libpng version 1.4.1alpha01 - November 27, 2009:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -4290,7 +4246,7 @@ this sentence.
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.4.1beta12, February 14, 2010, are
+libpng versions 1.2.6, August 15, 2004, through 1.4.1alpha01, November 27, 2009, 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
@@ -4389,7 +4345,7 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-February 14, 2010
+November 27, 2009
 
 .\" end of man page
 

libpngpf.3

@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "February 14, 2010"
+.TH LIBPNGPF 3 "November 27, 2009"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.4.1beta12
+libpng \- Portable Network Graphics (PNG) Reference Library 1.4.1alpha01
 (private functions)
 .SH SYNOPSIS
 \fB#include <png.h>\fP
@@ -15,7 +15,7 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.4.1beta12
 
 \fI\fB
 
-\fBvoid png_build_gamma_table (png_structp \fP\fIpng_ptr\fP\fB, png_byte \fIbit_depth\fP\fB);\fP
+\fBvoid png_build_gamma_table (png_structp \fIpng_ptr\fP\fB);\fP
 
 \fI\fB
 

png.5

@@ -1,4 +1,4 @@
-.TH PNG 5 "February 14, 2010"
+.TH PNG 5 "November 27, 2009"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION

png.c

@@ -1,8 +1,8 @@
 
 /* png.c - location for general purpose libpng functions
  *
- * Last changed in libpng 1.4.1 [February 14, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -12,12 +12,11 @@
  */
 
 #define PNG_NO_EXTERN
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #include "pngpriv.h"
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_4_1beta12 Your_png_h_is_not_version_1_4_1beta12;
+typedef version_1_4_1alpha01 Your_png_h_is_not_version_1_4_1alpha01;
 
 /* Version information for C files.  This had better match the version
  * string defined in png.h.
@@ -315,7 +314,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask,
             for (i = 0; i < (int)info_ptr->pcal_nparams; i++)
             {
                png_free(png_ptr, info_ptr->pcal_params[i]);
-               info_ptr->pcal_params[i] = NULL;
+               info_ptr->pcal_params[i]=NULL;
             }
             png_free(png_ptr, info_ptr->pcal_params);
             info_ptr->pcal_params = NULL;
@@ -430,10 +429,8 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask,
          for (row = 0; row < (int)info_ptr->height; row++)
          {
             png_free(png_ptr, info_ptr->row_pointers[row]);
-            info_ptr->row_pointers[row] = NULL;
          }
          png_free(png_ptr, info_ptr->row_pointers);
-         info_ptr->row_pointers = NULL;
       }
       info_ptr->valid &= ~PNG_INFO_IDAT;
    }
@@ -460,7 +457,6 @@ png_info_destroy(png_structp png_ptr, png_infop info_ptr)
    if (png_ptr->num_chunk_list)
    {
       png_free(png_ptr, png_ptr->chunk_list);
-      png_ptr->chunk_list = NULL;
       png_ptr->num_chunk_list = 0;
    }
 #endif
@@ -551,14 +547,14 @@ png_get_copyright(png_structp png_ptr)
 #else
 #ifdef __STDC__
    return ((png_charp) PNG_STRING_NEWLINE \
-     "libpng version 1.4.1beta12 - February 14, 2010" PNG_STRING_NEWLINE \
-     "Copyright (c) 1998-2010 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
+     "libpng version 1.4.1alpha01 - November 27, 2009" PNG_STRING_NEWLINE \
+     "Copyright (c) 1998-2009 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 ((png_charp) "libpng version 1.4.1beta12 - February 14, 2010\
-      Copyright (c) 1998-2010 Glenn Randers-Pehrson\
+      return ((png_charp) "libpng version 1.4.1alpha01 - November 27, 2009\
+      Copyright (c) 1998-2009 Glenn Randers-Pehrson\
       Copyright (c) 1996-1997 Andreas Dilger\
       Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.");
 #endif

png.h

@@ -1,8 +1,8 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.4.1beta12 - February 14, 2010
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * libpng version 1.4.1alpha01 - November 27, 2009
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -11,7 +11,7 @@
  * Authors and maintainers:
  *  libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
  *  libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- *  libpng versions 0.97, January 1998, through 1.4.1beta12 - February 14, 2010: Glenn
+ *  libpng versions 0.97, January 1998, through 1.4.1alpha01 - November 27, 2009: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -131,12 +131,8 @@
  *    1.4.0beta15-36          14    10400  14.so.0.0[.0]
  *    1.4.0beta37-87          14    10400  14.so.14.0[.0]
  *    1.4.0rc01               14    10400  14.so.14.0[.0]
- *    1.4.0beta88-109         14    10400  14.so.14.0[.0]
- *    1.4.0rc02-08            14    10400  14.so.14.0[.0]
- *    1.4.0                   14    10400  14.so.14.0[.0]
- *    1.4.1beta01-03          14    10401  14.so.14.1[.0]
- *    1.4.1rc01               14    10401  14.so.14.1[.0]
- *    1.4.1beta04-09          14    10401  14.so.14.1[.0]
+ *    1.4.0beta88-107         14    10400  14.so.14.0[.0]
+ *    1.4.1alpha01            14    10401  14.so.14.0[.0]
  *
  *    Henceforth the source version will match the shared-library major
  *    and minor numbers; the shared-library major version number will be
@@ -168,8 +164,8 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.4.1beta12, February 14, 2010, are
- * Copyright (c) 2004, 2006-2010 Glenn Randers-Pehrson, and are
+ * libpng versions 1.2.6, August 15, 2004, through 1.4.1alpha01, November 27, 2009, 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:
  *
@@ -280,13 +276,13 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    February 14, 2010
+ *    July 1, 2008
  *
  *    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 1.4.1beta12 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.4.1alpha01 are Y2K compliant.  It is my belief that earlier
  *    versions were also Y2K compliant.
  *
  *    Libpng only has three year fields.  One is a 2-byte unsigned integer
@@ -342,9 +338,9 @@
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.4.1beta12"
+#define PNG_LIBPNG_VER_STRING "1.4.1alpha01"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.4.1beta12 - February 14, 2010\n"
+   " libpng version 1.4.1alpha01 - November 27, 2009\n"
 
 #define PNG_LIBPNG_VER_SONUM   14
 #define PNG_LIBPNG_VER_DLLNUM  14
@@ -357,7 +353,7 @@
  * PNG_LIBPNG_VER_STRING, omitting any leading zero:
  */
 
-#define PNG_LIBPNG_VER_BUILD  12
+#define PNG_LIBPNG_VER_BUILD  01
 
 /* Release Status */
 #define PNG_LIBPNG_BUILD_ALPHA    1
@@ -382,7 +378,7 @@
  * 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 10401 /* 1.4.1 */
+#define PNG_LIBPNG_VER 10400 /* 1.4.0 */
 
 #ifndef PNG_VERSION_INFO_ONLY
 /* Include the compression library's header */
@@ -632,38 +628,25 @@ typedef png_unknown_chunk FAR * FAR * png_unknown_chunkpp;
 typedef struct png_info_struct
 {
    /* the following are necessary for every PNG file */
-   png_uint_32 width PNG_DEPSTRUCT;  /* width of image in pixels (from IHDR) */
-   png_uint_32 height PNG_DEPSTRUCT; /* height of image in pixels (from IHDR) */
-   png_uint_32 valid PNG_DEPSTRUCT;  /* valid chunk data (see PNG_INFO_
-                                        below) */
-   png_size_t rowbytes PNG_DEPSTRUCT; /* bytes needed to hold an untransformed
-                                         row */
-   png_colorp palette PNG_DEPSTRUCT;      /* array of color values
-                                             (valid & PNG_INFO_PLTE) */
-   png_uint_16 num_palette PNG_DEPSTRUCT; /* number of color entries in
-                                             "palette" (PLTE) */
-   png_uint_16 num_trans PNG_DEPSTRUCT;   /* number of transparent palette
-                                             color (tRNS) */
-   png_byte bit_depth PNG_DEPSTRUCT;      /* 1, 2, 4, 8, or 16 bits/channel
-                                             (from IHDR) */
-   png_byte color_type PNG_DEPSTRUCT;     /* see PNG_COLOR_TYPE_ below
-                                             (from IHDR) */
+   png_uint_32 width PNG_DEPSTRUCT;       /* width of image in pixels (from IHDR) */
+   png_uint_32 height PNG_DEPSTRUCT;      /* height of image in pixels (from IHDR) */
+   png_uint_32 valid PNG_DEPSTRUCT;       /* valid chunk data (see PNG_INFO_ below) */
+   png_size_t rowbytes PNG_DEPSTRUCT;     /* bytes needed to hold an untransformed row */
+   png_colorp palette PNG_DEPSTRUCT;      /* array of color values (valid & PNG_INFO_PLTE) */
+   png_uint_16 num_palette PNG_DEPSTRUCT; /* number of color entries in "palette" (PLTE) */
+   png_uint_16 num_trans PNG_DEPSTRUCT;   /* number of transparent palette color (tRNS) */
+   png_byte bit_depth PNG_DEPSTRUCT;      /* 1, 2, 4, 8, or 16 bits/channel (from IHDR) */
+   png_byte color_type PNG_DEPSTRUCT;     /* see PNG_COLOR_TYPE_ below (from IHDR) */
    /* The following three should have been named *_method not *_type */
-   png_byte compression_type PNG_DEPSTRUCT; /* must be
-                                             PNG_COMPRESSION_TYPE_BASE (IHDR) */
-   png_byte filter_type PNG_DEPSTRUCT;    /* must be PNG_FILTER_TYPE_BASE
-                                             (from IHDR) */
-   png_byte interlace_type PNG_DEPSTRUCT; /* One of PNG_INTERLACE_NONE,
-                                             PNG_INTERLACE_ADAM7 */
+   png_byte compression_type PNG_DEPSTRUCT; /* must be PNG_COMPRESSION_TYPE_BASE (IHDR) */
+   png_byte filter_type PNG_DEPSTRUCT;    /* must be PNG_FILTER_TYPE_BASE (from IHDR) */
+   png_byte interlace_type PNG_DEPSTRUCT; /* One of PNG_INTERLACE_NONE, PNG_INTERLACE_ADAM7 */
 
    /* The following is informational only on read, and not used on writes. */
-   png_byte channels PNG_DEPSTRUCT;       /* number of data channels per
-                                             pixel (1, 2, 3, 4) */
+   png_byte channels PNG_DEPSTRUCT;       /* number of data channels per pixel (1, 2, 3, 4) */
    png_byte pixel_depth PNG_DEPSTRUCT;    /* number of bits per pixel */
-   png_byte spare_byte PNG_DEPSTRUCT;     /* to align the data, and for
-                                             future use */
-   png_byte signature[8] PNG_DEPSTRUCT;   /* magic bytes read by libpng
-                                             from start of file */
+   png_byte spare_byte PNG_DEPSTRUCT;     /* to align the data, and for future use */
+   png_byte signature[8] PNG_DEPSTRUCT;   /* magic bytes read by libpng from start of file */
 
    /* 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
@@ -676,15 +659,13 @@ typedef struct png_info_struct
     * 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.
     */
-   float gamma PNG_DEPSTRUCT; /* gamma value of image,
-                                 if (valid & PNG_INFO_gAMA) */
+   float gamma PNG_DEPSTRUCT; /* gamma value of image, if (valid & PNG_INFO_gAMA) */
 #endif
 
 #ifdef PNG_sRGB_SUPPORTED
     /* GR-P, 0.96a */
     /* Data valid if (valid & PNG_INFO_sRGB) non-zero. */
-   png_byte srgb_intent PNG_DEPSTRUCT; /* sRGB rendering intent
-                                          [0, 1, 2, or 3] */
+   png_byte srgb_intent PNG_DEPSTRUCT; /* sRGB rendering intent [0, 1, 2, or 3] */
 #endif
 
 #ifdef PNG_TEXT_SUPPORTED
@@ -729,10 +710,8 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
     * single color specified that should be treated as fully transparent.
     * Data is valid if (valid & PNG_INFO_tRNS) is non-zero.
     */
-   png_bytep trans_alpha PNG_DEPSTRUCT;    /* alpha values for paletted
-                                              image */
-   png_color_16 trans_color PNG_DEPSTRUCT; /* transparent color for
-                                              non-palette image */
+   png_bytep trans_alpha PNG_DEPSTRUCT;    /* alpha values for paletted image */
+   png_color_16 trans_color PNG_DEPSTRUCT; /* transparent color for non-palette image */
 #endif
 
 #if defined(PNG_bKGD_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
@@ -763,8 +742,7 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
     */
    png_uint_32 x_pixels_per_unit PNG_DEPSTRUCT; /* horizontal pixel density */
    png_uint_32 y_pixels_per_unit PNG_DEPSTRUCT; /* vertical pixel density */
-   png_byte phys_unit_type PNG_DEPSTRUCT; /* resolution type (see
-                                             PNG_RESOLUTION_ below) */
+   png_byte phys_unit_type PNG_DEPSTRUCT; /* resolution type (see PNG_RESOLUTION_ below) */
 #endif
 
 #ifdef PNG_hIST_SUPPORTED
@@ -811,19 +789,14 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
    png_charp pcal_purpose PNG_DEPSTRUCT;  /* pCAL chunk description string */
    png_int_32 pcal_X0 PNG_DEPSTRUCT;      /* minimum value */
    png_int_32 pcal_X1 PNG_DEPSTRUCT;      /* maximum value */
-   png_charp pcal_units PNG_DEPSTRUCT;    /* Latin-1 string giving physical
-                                             units */
-   png_charpp pcal_params PNG_DEPSTRUCT;  /* ASCII strings containing
-                                             parameter values */
-   png_byte pcal_type PNG_DEPSTRUCT;      /* equation type
-                                             (see PNG_EQUATION_ below) */
-   png_byte pcal_nparams PNG_DEPSTRUCT;   /* number of parameters given
-                                             in pcal_params */
+   png_charp pcal_units PNG_DEPSTRUCT;    /* Latin-1 string giving physical units */
+   png_charpp pcal_params PNG_DEPSTRUCT;  /* ASCII strings containing parameter values */
+   png_byte pcal_type PNG_DEPSTRUCT;      /* equation type (see PNG_EQUATION_ below) */
+   png_byte pcal_nparams PNG_DEPSTRUCT;   /* number of parameters given in pcal_params */
 #endif
 
 /* New members added in libpng-1.0.6 */
-   png_uint_32 free_me PNG_DEPSTRUCT;     /* flags items libpng is
-                                             responsible for freeing */
+   png_uint_32 free_me PNG_DEPSTRUCT;     /* flags items libpng is responsible for freeing */
 
 #if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) || \
  defined(PNG_HANDLE_AS_UNKNOWN_SUPPORTED)
@@ -835,8 +808,7 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
 #ifdef PNG_iCCP_SUPPORTED
    /* iCCP chunk data. */
    png_charp iccp_name PNG_DEPSTRUCT;     /* profile name */
-   png_charp iccp_profile PNG_DEPSTRUCT;  /* International Color Consortium
-                                             profile data */
+   png_charp iccp_profile PNG_DEPSTRUCT;  /* International Color Consortium profile data */
                             /* Note to maintainer: should be png_bytep */
    png_uint_32 iccp_proflen PNG_DEPSTRUCT;  /* ICC profile data length */
    png_byte iccp_compression PNG_DEPSTRUCT; /* Always zero */
@@ -868,15 +840,13 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
 #endif
 
 #ifdef PNG_INFO_IMAGE_SUPPORTED
-   /* Memory has been allocated if (valid & PNG_ALLOCATED_INFO_ROWS)
-      non-zero */
+   /* Memory has been allocated if (valid & PNG_ALLOCATED_INFO_ROWS) non-zero */
    /* Data valid if (valid & PNG_INFO_IDAT) non-zero */
    png_bytepp row_pointers PNG_DEPSTRUCT;        /* the image bits */
 #endif
 
 #if defined(PNG_FIXED_POINT_SUPPORTED) && defined(PNG_gAMA_SUPPORTED)
-   png_fixed_point int_gamma PNG_DEPSTRUCT; /* gamma of image,
-                                               if (valid & PNG_INFO_gAMA) */
+   png_fixed_point int_gamma PNG_DEPSTRUCT; /* gamma of image, if (valid & PNG_INFO_gAMA) */
 #endif
 
 #if defined(PNG_cHRM_SUPPORTED) && defined(PNG_FIXED_POINT_SUPPORTED)
@@ -1023,8 +993,7 @@ typedef void (PNGAPI *png_write_status_ptr) PNGARG((png_structp, png_uint_32,
    int));
 
 #ifdef PNG_PROGRESSIVE_READ_SUPPORTED
-typedef void (PNGAPI *png_progressive_info_ptr) PNGARG((png_structp,
-   png_infop));
+typedef void (PNGAPI *png_progressive_info_ptr) PNGARG((png_structp, png_infop));
 typedef void (PNGAPI *png_progressive_end_ptr) PNGARG((png_structp, png_infop));
 typedef void (PNGAPI *png_progressive_row_ptr) PNGARG((png_structp, png_bytep,
    png_uint_32, int));
@@ -1037,8 +1006,7 @@ typedef void (PNGAPI *png_user_transform_ptr) PNGARG((png_structp,
 #endif
 
 #ifdef PNG_USER_CHUNKS_SUPPORTED
-typedef int (PNGAPI *png_user_chunk_ptr) PNGARG((png_structp,
-   png_unknown_chunkp));
+typedef int (PNGAPI *png_user_chunk_ptr) PNGARG((png_structp, png_unknown_chunkp));
 #endif
 #ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
 typedef void (PNGAPI *png_unknown_chunk_ptr) PNGARG((png_structp));
@@ -1090,128 +1058,83 @@ struct png_struct_def
 {
 #ifdef PNG_SETJMP_SUPPORTED
    jmp_buf jmpbuf PNG_DEPSTRUCT;            /* used in png_error */
-   png_longjmp_ptr longjmp_fn PNG_DEPSTRUCT;/* setjmp non-local goto
-                                               function. */
+   png_longjmp_ptr longjmp_fn PNG_DEPSTRUCT;/* setjmp non-local goto function. */
 #endif
-   png_error_ptr error_fn PNG_DEPSTRUCT;    /* function for printing
-                                               errors and aborting */
-   png_error_ptr warning_fn PNG_DEPSTRUCT;  /* function for printing
-                                               warnings */
-   png_voidp error_ptr PNG_DEPSTRUCT;       /* user supplied struct for
-                                               error functions */
-   png_rw_ptr write_data_fn PNG_DEPSTRUCT;  /* function for writing
-                                               output data */
-   png_rw_ptr read_data_fn PNG_DEPSTRUCT;   /* function for reading
-                                               input data */
-   png_voidp io_ptr PNG_DEPSTRUCT;          /* ptr to application struct
-                                               for I/O functions */
+   png_error_ptr error_fn PNG_DEPSTRUCT;    /* function for printing errors and aborting */
+   png_error_ptr warning_fn PNG_DEPSTRUCT;  /* function for printing warnings */
+   png_voidp error_ptr PNG_DEPSTRUCT;       /* user supplied struct for error functions */
+   png_rw_ptr write_data_fn PNG_DEPSTRUCT;  /* function for writing output data */
+   png_rw_ptr read_data_fn PNG_DEPSTRUCT;   /* function for reading input data */
+   png_voidp io_ptr PNG_DEPSTRUCT;          /* ptr to application struct for I/O functions */
 
 #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
-   png_user_transform_ptr read_user_transform_fn PNG_DEPSTRUCT; /* user read
-                                                                 transform */
+   png_user_transform_ptr read_user_transform_fn PNG_DEPSTRUCT; /* user read transform */
 #endif
 
 #ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED
-   png_user_transform_ptr write_user_transform_fn PNG_DEPSTRUCT; /* user write
-                                                                  transform */
+   png_user_transform_ptr write_user_transform_fn PNG_DEPSTRUCT; /* user write transform */
 #endif
 
 /* These were added in libpng-1.0.2 */
 #ifdef PNG_USER_TRANSFORM_PTR_SUPPORTED
 #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
     defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
-   png_voidp user_transform_ptr PNG_DEPSTRUCT; /* user supplied struct
-                                                  for user transform */
-   png_byte user_transform_depth PNG_DEPSTRUCT;    /* bit depth of user
-                                                      transformed pixels */
-   png_byte user_transform_channels PNG_DEPSTRUCT; /* channels in user
-                                                      transformed pixels */
+   png_voidp user_transform_ptr PNG_DEPSTRUCT; /* user supplied struct for user transform */
+   png_byte user_transform_depth PNG_DEPSTRUCT;    /* bit depth of user transformed pixels */
+   png_byte user_transform_channels PNG_DEPSTRUCT; /* channels in user transformed pixels */
 #endif
 #endif
 
-   png_uint_32 mode PNG_DEPSTRUCT;          /* tells us where we are in
-                                               the PNG file */
-   png_uint_32 flags PNG_DEPSTRUCT;         /* flags indicating various
-                                               things to libpng */
-   png_uint_32 transformations PNG_DEPSTRUCT; /* which transformations
-                                                 to perform */
+   png_uint_32 mode PNG_DEPSTRUCT;          /* tells us where we are in the PNG file */
+   png_uint_32 flags PNG_DEPSTRUCT;         /* flags indicating various things to libpng */
+   png_uint_32 transformations PNG_DEPSTRUCT; /* which transformations to perform */
 
-   z_stream zstream PNG_DEPSTRUCT;          /* pointer to decompression
-                                               structure (below) */
+   z_stream zstream PNG_DEPSTRUCT;          /* pointer to decompression structure (below) */
    png_bytep zbuf PNG_DEPSTRUCT;            /* buffer for zlib */
    png_size_t zbuf_size PNG_DEPSTRUCT;      /* size of zbuf */
    int zlib_level PNG_DEPSTRUCT;            /* holds zlib compression level */
    int zlib_method PNG_DEPSTRUCT;           /* holds zlib compression method */
-   int zlib_window_bits PNG_DEPSTRUCT;      /* holds zlib compression window
-                                               bits */
-   int zlib_mem_level PNG_DEPSTRUCT;        /* holds zlib compression memory
-                                               level */
-   int zlib_strategy PNG_DEPSTRUCT;         /* holds zlib compression
-                                               strategy */
+   int zlib_window_bits PNG_DEPSTRUCT;      /* holds zlib compression window bits */
+   int zlib_mem_level PNG_DEPSTRUCT;        /* holds zlib compression memory level */
+   int zlib_strategy PNG_DEPSTRUCT;         /* holds zlib compression strategy */
 
    png_uint_32 width PNG_DEPSTRUCT;         /* width of image in pixels */
    png_uint_32 height PNG_DEPSTRUCT;        /* height of image in pixels */
    png_uint_32 num_rows PNG_DEPSTRUCT;      /* number of rows in current pass */
    png_uint_32 usr_width PNG_DEPSTRUCT;     /* width of row at start of write */
    png_size_t rowbytes PNG_DEPSTRUCT;       /* size of row in bytes */
-#if 0 /* Replaced with the following in libpng-1.4.1 */
-   png_size_t irowbytes PNG_DEPSTRUCT;
-#endif
-/* Added in libpng-1.4.1 */
-#ifdef PNG_USER_LIMITS_SUPPORTED
-   /* Total memory that a zTXt, sPLT, iTXt, iCCP, or unknown chunk
-    * can occupy when decompressed.  0 means unlimited.
-    * We will change the typedef from png_size_t to png_alloc_size_t
-    * in libpng-1.6.0
-    */
-   png_alloc_size_t user_chunk_malloc_max PNG_DEPSTRUCT;
-#endif
-   png_uint_32 iwidth PNG_DEPSTRUCT;        /* width of current interlaced
-                                               row in pixels */
+   png_size_t irowbytes PNG_DEPSTRUCT;      /* size of current interlaced row in bytes */
+   png_uint_32 iwidth PNG_DEPSTRUCT;        /* width of current interlaced row in pixels */
    png_uint_32 row_number PNG_DEPSTRUCT;    /* current row in interlace pass */
-   png_bytep prev_row PNG_DEPSTRUCT;        /* buffer to save previous
-                                               (unfiltered) row */
-   png_bytep row_buf PNG_DEPSTRUCT;         /* buffer to save current
-                                               (unfiltered) row */
-   png_bytep sub_row PNG_DEPSTRUCT;         /* buffer to save "sub" row
-                                               when filtering */
-   png_bytep up_row PNG_DEPSTRUCT;          /* buffer to save "up" row
-                                               when filtering */
-   png_bytep avg_row PNG_DEPSTRUCT;         /* buffer to save "avg" row
-                                               when filtering */
-   png_bytep paeth_row PNG_DEPSTRUCT;       /* buffer to save "Paeth" row
-                                               when filtering */
-   png_row_info row_info PNG_DEPSTRUCT;     /* used for transformation
-                                               routines */
+   png_bytep prev_row PNG_DEPSTRUCT;        /* buffer to save previous (unfiltered) row */
+   png_bytep row_buf PNG_DEPSTRUCT;         /* buffer to save current (unfiltered) row */
+   png_bytep sub_row PNG_DEPSTRUCT;         /* buffer to save "sub" row when filtering */
+   png_bytep up_row PNG_DEPSTRUCT;          /* buffer to save "up" row when filtering */
+   png_bytep avg_row PNG_DEPSTRUCT;         /* buffer to save "avg" row when filtering */
+   png_bytep paeth_row PNG_DEPSTRUCT;       /* buffer to save "Paeth" row when filtering */
+   png_row_info row_info PNG_DEPSTRUCT;     /* used for transformation routines */
 
    png_uint_32 idat_size PNG_DEPSTRUCT;     /* current IDAT size for read */
    png_uint_32 crc PNG_DEPSTRUCT;           /* current chunk CRC value */
    png_colorp palette PNG_DEPSTRUCT;        /* palette from the input file */
-   png_uint_16 num_palette PNG_DEPSTRUCT;   /* number of color entries in
-                                               palette */
+   png_uint_16 num_palette PNG_DEPSTRUCT;   /* number of color entries in palette */
    png_uint_16 num_trans PNG_DEPSTRUCT;     /* number of transparency values */
-   png_byte chunk_name[5] PNG_DEPSTRUCT;    /* null-terminated name of current
-                                               chunk */
-   png_byte compression PNG_DEPSTRUCT;      /* file compression type
-                                               (always 0) */
+   png_byte chunk_name[5] PNG_DEPSTRUCT;    /* null-terminated name of current chunk */
+   png_byte compression PNG_DEPSTRUCT;      /* file compression type (always 0) */
    png_byte filter PNG_DEPSTRUCT;           /* file filter type (always 0) */
-   png_byte interlaced PNG_DEPSTRUCT;       /* PNG_INTERLACE_NONE,
-                                               PNG_INTERLACE_ADAM7 */
+   png_byte interlaced PNG_DEPSTRUCT;       /* PNG_INTERLACE_NONE, PNG_INTERLACE_ADAM7 */
    png_byte pass PNG_DEPSTRUCT;             /* current interlace pass (0 - 6) */
-   png_byte do_filter PNG_DEPSTRUCT;        /* row filter flags (see
-                                               PNG_FILTER_ below ) */
+   png_byte do_filter PNG_DEPSTRUCT;        /* row filter flags (see PNG_FILTER_ below ) */
    png_byte color_type PNG_DEPSTRUCT;       /* color type of file */
    png_byte bit_depth PNG_DEPSTRUCT;        /* bit depth of file */
    png_byte usr_bit_depth PNG_DEPSTRUCT;    /* bit depth of users row */
    png_byte pixel_depth PNG_DEPSTRUCT;      /* number of bits per pixel */
    png_byte channels PNG_DEPSTRUCT;         /* number of channels in file */
    png_byte usr_channels PNG_DEPSTRUCT;     /* channels at start of write */
-   png_byte sig_bytes PNG_DEPSTRUCT;        /* magic bytes read/written from
-                                               start of file */
+   png_byte sig_bytes PNG_DEPSTRUCT;        /* magic bytes read/written from start of file */
 
 #if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED)
-   png_uint_16 filler PNG_DEPSTRUCT;           /* filler bytes for pixel
-                                                  expansion */
+   png_uint_16 filler PNG_DEPSTRUCT;           /* filler bytes for pixel expansion */
 #endif
 
 #ifdef PNG_bKGD_SUPPORTED
@@ -1219,108 +1142,73 @@ struct png_struct_def
 #  ifdef PNG_FLOATING_POINT_SUPPORTED
    float background_gamma PNG_DEPSTRUCT;
 #  endif
-   png_color_16 background PNG_DEPSTRUCT;   /* background color in
-                                               screen gamma space */
+   png_color_16 background PNG_DEPSTRUCT;   /* background color in screen gamma space */
 #ifdef PNG_READ_GAMMA_SUPPORTED
-   png_color_16 background_1 PNG_DEPSTRUCT; /* background normalized
-                                               to gamma 1.0 */
+   png_color_16 background_1 PNG_DEPSTRUCT; /* background normalized to gamma 1.0 */
 #endif
 #endif /* PNG_bKGD_SUPPORTED */
 
 #ifdef PNG_WRITE_FLUSH_SUPPORTED
-   png_flush_ptr output_flush_fn PNG_DEPSTRUCT; /* Function for flushing
-                                               output */
-   png_uint_32 flush_dist PNG_DEPSTRUCT;    /* how many rows apart to flush,
-                                               0 - no flush */
-   png_uint_32 flush_rows PNG_DEPSTRUCT;    /* number of rows written since
-                                               last flush */
+   png_flush_ptr output_flush_fn PNG_DEPSTRUCT; /* Function for flushing output */
+   png_uint_32 flush_dist PNG_DEPSTRUCT;    /* how many rows apart to flush, 0 - no flush */
+   png_uint_32 flush_rows PNG_DEPSTRUCT;    /* number of rows written since last flush */
 #endif
 
 #if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
-   int gamma_shift PNG_DEPSTRUCT;      /* number of "insignificant" bits
-                                          16-bit gamma */
+   int gamma_shift PNG_DEPSTRUCT;      /* number of "insignificant" bits 16-bit gamma */
 #ifdef PNG_FLOATING_POINT_SUPPORTED
    float gamma PNG_DEPSTRUCT;          /* file gamma value */
-   float screen_gamma PNG_DEPSTRUCT;   /* screen gamma value
-                                          (display_exponent) */
+   float screen_gamma PNG_DEPSTRUCT;   /* screen gamma value (display_exponent) */
 #endif
 #endif
 
 #if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
-   png_bytep gamma_table PNG_DEPSTRUCT;     /* gamma table for 8-bit
-                                               depth files */
+   png_bytep gamma_table PNG_DEPSTRUCT;     /* gamma table for 8-bit depth files */
    png_bytep gamma_from_1 PNG_DEPSTRUCT;    /* converts from 1.0 to screen */
    png_bytep gamma_to_1 PNG_DEPSTRUCT;      /* converts from file to 1.0 */
-   png_uint_16pp gamma_16_table PNG_DEPSTRUCT; /* gamma table for 16-bit
-                                                  depth files */
-   png_uint_16pp gamma_16_from_1 PNG_DEPSTRUCT; /* converts from 1.0 to
-                                                   screen */
+   png_uint_16pp gamma_16_table PNG_DEPSTRUCT; /* gamma table for 16-bit depth files */
+   png_uint_16pp gamma_16_from_1 PNG_DEPSTRUCT; /* converts from 1.0 to screen */
    png_uint_16pp gamma_16_to_1 PNG_DEPSTRUCT; /* converts from file to 1.0 */
 #endif
 
 #if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_sBIT_SUPPORTED)
-   png_color_8 sig_bit PNG_DEPSTRUCT;       /* significant bits in each
-                                               available channel */
+   png_color_8 sig_bit PNG_DEPSTRUCT;       /* significant bits in each available channel */
 #endif
 
 #if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED)
-   png_color_8 shift PNG_DEPSTRUCT;         /* shift for significant bit
-                                               tranformation */
+   png_color_8 shift PNG_DEPSTRUCT;         /* shift for significant bit tranformation */
 #endif
 
 #if defined(PNG_tRNS_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) \
  || defined(PNG_READ_EXPAND_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
-   png_bytep trans_alpha PNG_DEPSTRUCT;           /* alpha values for
-                                                     paletted files */
-   png_color_16 trans_color PNG_DEPSTRUCT;  /* transparent color for
-                                               non-paletted files */
+   png_bytep trans_alpha PNG_DEPSTRUCT;           /* alpha values for paletted files */
+   png_color_16 trans_color PNG_DEPSTRUCT;  /* transparent color for non-paletted files */
 #endif
 
-   png_read_status_ptr read_row_fn PNG_DEPSTRUCT;   /* called after each
-                                                       row is decoded */
-   png_write_status_ptr write_row_fn PNG_DEPSTRUCT; /* called after each
-                                                       row is encoded */
+   png_read_status_ptr read_row_fn PNG_DEPSTRUCT;   /* called after each row is decoded */
+   png_write_status_ptr write_row_fn PNG_DEPSTRUCT; /* called after each row is encoded */
 #ifdef PNG_PROGRESSIVE_READ_SUPPORTED
-   png_progressive_info_ptr info_fn PNG_DEPSTRUCT; /* called after header
-                                                      data fully read */
-   png_progressive_row_ptr row_fn PNG_DEPSTRUCT;   /* called after each
-                                                      prog. row is decoded */
-   png_progressive_end_ptr end_fn PNG_DEPSTRUCT;   /* called after image
-                                                      is complete */
-   png_bytep save_buffer_ptr PNG_DEPSTRUCT;        /* current location in
-                                                      save_buffer */
-   png_bytep save_buffer PNG_DEPSTRUCT;            /* buffer for previously
-                                                      read data */
-   png_bytep current_buffer_ptr PNG_DEPSTRUCT;     /* current location in
-                                                      current_buffer */
-   png_bytep current_buffer PNG_DEPSTRUCT;         /* buffer for recently
-                                                      used data */
-   png_uint_32 push_length PNG_DEPSTRUCT;          /* size of current input
-                                                      chunk */
-   png_uint_32 skip_length PNG_DEPSTRUCT;          /* bytes to skip in
-                                                      input data */
-   png_size_t save_buffer_size PNG_DEPSTRUCT;      /* amount of data now
-                                                      in save_buffer */
-   png_size_t save_buffer_max PNG_DEPSTRUCT;       /* total size of
-                                                      save_buffer */
-   png_size_t buffer_size PNG_DEPSTRUCT;           /* total amount of
-                                                      available input data */
-   png_size_t current_buffer_size PNG_DEPSTRUCT;   /* amount of data now
-                                                      in current_buffer */
-   int process_mode PNG_DEPSTRUCT;                 /* what push library
-                                                      is currently doing */
-   int cur_palette PNG_DEPSTRUCT;                  /* current push library
-                                                      palette index */
+   png_progressive_info_ptr info_fn PNG_DEPSTRUCT; /* called after header data fully read */
+   png_progressive_row_ptr row_fn PNG_DEPSTRUCT;   /* called after each prog. row is decoded */
+   png_progressive_end_ptr end_fn PNG_DEPSTRUCT;   /* called after image is complete */
+   png_bytep save_buffer_ptr PNG_DEPSTRUCT;        /* current location in save_buffer */
+   png_bytep save_buffer PNG_DEPSTRUCT;            /* buffer for previously read data */
+   png_bytep current_buffer_ptr PNG_DEPSTRUCT;     /* current location in current_buffer */
+   png_bytep current_buffer PNG_DEPSTRUCT;         /* buffer for recently used data */
+   png_uint_32 push_length PNG_DEPSTRUCT;          /* size of current input chunk */
+   png_uint_32 skip_length PNG_DEPSTRUCT;          /* bytes to skip in input data */
+   png_size_t save_buffer_size PNG_DEPSTRUCT;      /* amount of data now in save_buffer */
+   png_size_t save_buffer_max PNG_DEPSTRUCT;       /* total size of save_buffer */
+   png_size_t buffer_size PNG_DEPSTRUCT;           /* total amount of available input data */
+   png_size_t current_buffer_size PNG_DEPSTRUCT;   /* amount of data now in current_buffer */
+   int process_mode PNG_DEPSTRUCT;                 /* what push library is currently doing */
+   int cur_palette PNG_DEPSTRUCT;                  /* current push library palette index */
 
 #  ifdef PNG_TEXT_SUPPORTED
-     png_size_t current_text_size PNG_DEPSTRUCT;   /* current size of
-                                                      text input data */
-     png_size_t current_text_left PNG_DEPSTRUCT;   /* how much text left
-                                                      to read in input */
-     png_charp current_text PNG_DEPSTRUCT;         /* current text chunk
-                                                      buffer */
-     png_charp current_text_ptr PNG_DEPSTRUCT;     /* current location
-                                                      in current_text */
+     png_size_t current_text_size PNG_DEPSTRUCT;   /* current size of text input data */
+     png_size_t current_text_left PNG_DEPSTRUCT;   /* how much text left to read in input */
+     png_charp current_text PNG_DEPSTRUCT;         /* current text chunk buffer */
+     png_charp current_text_ptr PNG_DEPSTRUCT;     /* current location in current_text */
 #  endif /* PNG_PROGRESSIVE_READ_SUPPORTED && PNG_TEXT_SUPPORTED */
 
 #endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
@@ -1335,9 +1223,8 @@ struct png_struct_def
 #endif
 
 #ifdef PNG_READ_DITHER_SUPPORTED
-   png_bytep palette_lookup PNG_DEPSTRUCT; /* lookup table for dithering */
-   png_bytep dither_index PNG_DEPSTRUCT;   /* index translation for palette
-                                              files */
+   png_bytep palette_lookup PNG_DEPSTRUCT;         /* lookup table for dithering */
+   png_bytep dither_index PNG_DEPSTRUCT;           /* index translation for palette files */
 #endif
 
 #if defined(PNG_READ_DITHER_SUPPORTED) || defined(PNG_hIST_SUPPORTED)
@@ -1345,35 +1232,26 @@ struct png_struct_def
 #endif
 
 #ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
-   png_byte heuristic_method PNG_DEPSTRUCT;        /* heuristic for row
-                                                      filter selection */
-   png_byte num_prev_filters PNG_DEPSTRUCT;        /* number of weights
-                                                      for previous rows */
-   png_bytep prev_filters PNG_DEPSTRUCT;           /* filter type(s) of
-                                                      previous row(s) */
-   png_uint_16p filter_weights PNG_DEPSTRUCT;      /* weight(s) for previous
-                                                      line(s) */
-   png_uint_16p inv_filter_weights PNG_DEPSTRUCT;  /* 1/weight(s) for
-                                                      previous line(s) */
-   png_uint_16p filter_costs PNG_DEPSTRUCT;        /* relative filter
-                                                      calculation cost */
-   png_uint_16p inv_filter_costs PNG_DEPSTRUCT;    /* 1/relative filter
-                                                      calculation cost */
+   png_byte heuristic_method PNG_DEPSTRUCT;        /* heuristic for row filter selection */
+   png_byte num_prev_filters PNG_DEPSTRUCT;        /* number of weights for previous rows */
+   png_bytep prev_filters PNG_DEPSTRUCT;           /* filter type(s) of previous row(s) */
+   png_uint_16p filter_weights PNG_DEPSTRUCT;      /* weight(s) for previous line(s) */
+   png_uint_16p inv_filter_weights PNG_DEPSTRUCT;  /* 1/weight(s) for previous line(s) */
+   png_uint_16p filter_costs PNG_DEPSTRUCT;        /* relative filter calculation cost */
+   png_uint_16p inv_filter_costs PNG_DEPSTRUCT;    /* 1/relative filter calculation cost */
 #endif
 
 #ifdef PNG_TIME_RFC1123_SUPPORTED
-   png_charp time_buffer PNG_DEPSTRUCT; /* String to hold RFC 1123 time text */
+   png_charp time_buffer PNG_DEPSTRUCT;            /* String to hold RFC 1123 time text */
 #endif
 
 /* New members added in libpng-1.0.6 */
 
-   png_uint_32 free_me PNG_DEPSTRUCT;    /* flags items libpng is
-                                            responsible for freeing */
+   png_uint_32 free_me PNG_DEPSTRUCT;     /* flags items libpng is responsible for freeing */
 
 #ifdef PNG_USER_CHUNKS_SUPPORTED
    png_voidp user_chunk_ptr PNG_DEPSTRUCT;
-   png_user_chunk_ptr read_user_chunk_fn PNG_DEPSTRUCT; /* user read
-                                                           chunk handler */
+   png_user_chunk_ptr read_user_chunk_fn PNG_DEPSTRUCT; /* user read chunk handler */
 #endif
 
 #ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
@@ -1412,37 +1290,31 @@ struct png_struct_def
 
 /* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */
 #ifdef PNG_USER_MEM_SUPPORTED
-   png_voidp mem_ptr PNG_DEPSTRUCT;             /* user supplied struct for
-                                                   mem functions */
-   png_malloc_ptr malloc_fn PNG_DEPSTRUCT;      /* function for
-                                                   allocating memory */
-   png_free_ptr free_fn PNG_DEPSTRUCT;          /* function for
-                                                   freeing memory */
+   png_voidp mem_ptr PNG_DEPSTRUCT;                /* user supplied struct for mem functions */
+   png_malloc_ptr malloc_fn PNG_DEPSTRUCT;         /* function for allocating memory */
+   png_free_ptr free_fn PNG_DEPSTRUCT;             /* function for freeing memory */
 #endif
 
 /* New member added in libpng-1.0.13 and 1.2.0 */
-   png_bytep big_row_buf PNG_DEPSTRUCT;         /* buffer to save current
-                                                   (unfiltered) row */
+   png_bytep big_row_buf PNG_DEPSTRUCT;         /* buffer to save current (unfiltered) row */
 
 #ifdef PNG_READ_DITHER_SUPPORTED
 /* The following three members were added at version 1.0.14 and 1.2.4 */
    png_bytep dither_sort PNG_DEPSTRUCT;            /* working sort array */
-   png_bytep index_to_palette PNG_DEPSTRUCT;       /* where the original
-                                                     index currently is
-                                                     in the palette */
-   png_bytep palette_to_index PNG_DEPSTRUCT;       /* which original index
-                                                      points to this
-                                                      palette color */
+   png_bytep index_to_palette PNG_DEPSTRUCT;       /* where the original index currently is */
+                                     /* in the palette */
+   png_bytep palette_to_index PNG_DEPSTRUCT;       /* which original index points to this */
+                                     /* palette color */
 #endif
 
 /* New members added in libpng-1.0.16 and 1.2.6 */
    png_byte compression_type PNG_DEPSTRUCT;
 
-#ifdef PNG_USER_LIMITS_SUPPORTED
+#ifdef PNG_SET_USER_LIMITS_SUPPORTED
    png_uint_32 user_width_max PNG_DEPSTRUCT;
    png_uint_32 user_height_max PNG_DEPSTRUCT;
    /* Added in libpng-1.4.0: Total number of sPLT, text, and unknown
-    * chunks that can be stored (0 means unlimited).
+    * chunks that can be stored (0x7fffffff means unlimited).
     */
    png_uint_32 user_chunk_cache_max PNG_DEPSTRUCT;
 #endif
@@ -1460,8 +1332,8 @@ struct png_struct_def
 /* New member added in libpng-1.2.30 */
   png_charp chunkdata PNG_DEPSTRUCT;  /* buffer for reading chunk data */
 
-#ifdef PNG_IO_STATE_SUPPORTED
 /* New member added in libpng-1.4.0 */
+#ifdef PNG_IO_STATE_SUPPORTED
    png_uint_32 io_state PNG_DEPSTRUCT;
 #endif
 };
@@ -1470,7 +1342,7 @@ struct png_struct_def
 /* This triggers a compiler error in png.c, if png.c and png.h
  * do not agree upon the version number.
  */
-typedef png_structp version_1_4_1beta12;
+typedef png_structp version_1_4_1alpha01;
 
 typedef png_struct FAR * FAR * png_structpp;
 
@@ -1507,11 +1379,15 @@ extern PNG_EXPORT(png_structp,png_create_write_struct)
    PNGARG((png_const_charp user_png_ver, png_voidp error_ptr,
    png_error_ptr error_fn, png_error_ptr warn_fn)) PNG_ALLOCATED;
 
+#ifdef PNG_WRITE_SUPPORTED
 extern PNG_EXPORT(png_size_t,png_get_compression_buffer_size)
    PNGARG((png_structp png_ptr));
+#endif
 
+#ifdef PNG_WRITE_SUPPORTED
 extern PNG_EXPORT(void,png_set_compression_buffer_size)
    PNGARG((png_structp png_ptr, png_size_t size));
+#endif
 
 /* Moved from pngconf.h in 1.4.0 and modified to ensure setjmp/longjmp
  * match up.
@@ -1525,8 +1401,7 @@ extern PNG_EXPORT(void,png_set_compression_buffer_size)
  * indicating an ABI mismatch.
  */
 extern PNG_EXPORT(jmp_buf*, png_set_longjmp_fn)
-   PNGARG((png_structp png_ptr, png_longjmp_ptr longjmp_fn, size_t
-       jmp_buf_size));
+   PNGARG((png_structp png_ptr, png_longjmp_ptr longjmp_fn, size_t jmp_buf_size));
 #  define png_jmpbuf(png_ptr) \
    (*png_set_longjmp_fn((png_ptr), longjmp, sizeof (jmp_buf)))
 #else
@@ -1671,8 +1546,7 @@ extern PNG_EXPORT(void,png_set_swap) PNGARG((png_structp png_ptr));
 extern PNG_EXPORT(void,png_set_packing) PNGARG((png_structp png_ptr));
 #endif
 
-#if defined(PNG_READ_PACKSWAP_SUPPORTED) || \
-    defined(PNG_WRITE_PACKSWAP_SUPPORTED)
+#if defined(PNG_READ_PACKSWAP_SUPPORTED) || defined(PNG_WRITE_PACKSWAP_SUPPORTED)
 /* Swap packing order of pixels in bytes. */
 extern PNG_EXPORT(void,png_set_packswap) PNGARG((png_structp png_ptr));
 #endif
@@ -1713,9 +1587,7 @@ extern PNG_EXPORT(void,png_set_strip_16) PNGARG((png_structp png_ptr));
 #endif
 
 #ifdef PNG_READ_DITHER_SUPPORTED
-/* Turn on dithering, and reduce the palette to the number of colors
- * available.
- */
+/* Turn on dithering, and reduce the palette to the number of colors available. */
 extern PNG_EXPORT(void,png_set_dither) PNGARG((png_structp png_ptr,
    png_colorp palette, int num_palette, int maximum_colors,
    png_uint_16p histogram, int full_dither));
@@ -1932,8 +1804,7 @@ extern PNG_EXPORT(void,png_set_compression_method) PNGARG((png_structp png_ptr,
 
 #ifdef PNG_STDIO_SUPPORTED
 /* Initialize the input/output for the PNG file to the default functions. */
-extern PNG_EXPORT(void,png_init_io) PNGARG((png_structp png_ptr,
-    png_FILE_p fp));
+extern PNG_EXPORT(void,png_init_io) PNGARG((png_structp png_ptr, png_FILE_p fp));
 #endif
 
 /* Replace the (error and abort), and warning functions with user
@@ -2490,8 +2361,7 @@ extern PNG_EXPORT(void, png_write_png) PNGARG((png_structp png_ptr,
 
 extern PNG_EXPORT(png_charp,png_get_copyright) PNGARG((png_structp png_ptr));
 extern PNG_EXPORT(png_charp,png_get_header_ver) PNGARG((png_structp png_ptr));
-extern PNG_EXPORT(png_charp,png_get_header_version) PNGARG((png_structp
-    png_ptr));
+extern PNG_EXPORT(png_charp,png_get_header_version) PNGARG((png_structp png_ptr));
 extern PNG_EXPORT(png_charp,png_get_libpng_ver) PNGARG((png_structp png_ptr));
 
 #ifdef PNG_MNG_FEATURES_SUPPORTED
@@ -2526,11 +2396,6 @@ extern PNG_EXPORT(void,png_set_chunk_cache_max) PNGARG((png_structp
    png_ptr, png_uint_32 user_chunk_cache_max));
 extern PNG_EXPORT(png_uint_32,png_get_chunk_cache_max)
    PNGARG((png_structp png_ptr));
-/* Added in libpng-1.4.1 */
-extern PNG_EXPORT(void,png_set_chunk_malloc_max) PNGARG((png_structp
-   png_ptr, png_alloc_size_t user_chunk_cache_max));
-extern PNG_EXPORT(png_alloc_size_t,png_get_chunk_malloc_max)
-   PNGARG((png_structp png_ptr));
 #endif
 
 #if defined(PNG_INCH_CONVERSIONS) && defined(PNG_FLOATING_POINT_SUPPORTED)
@@ -2593,18 +2458,16 @@ extern PNG_EXPORT(png_bytep,png_get_io_chunk_name)
 
  /* fg and bg should be in `gamma 1.0' space; alpha is the opacity          */
 
-#  define png_composite(composite, fg, alpha, bg)         \
-     { png_uint_16 temp = (png_uint_16)((png_uint_16)(fg) \
-           * (png_uint_16)(alpha)                         \
-           + (png_uint_16)(bg)*(png_uint_16)(255          \
-           - (png_uint_16)(alpha)) + (png_uint_16)128);   \
+#  define png_composite(composite, fg, alpha, bg)                            \
+     { png_uint_16 temp = (png_uint_16)((png_uint_16)(fg) * (png_uint_16)(alpha) \
+                        +        (png_uint_16)(bg)*(png_uint_16)(255 -       \
+                        (png_uint_16)(alpha)) + (png_uint_16)128);           \
        (composite) = (png_byte)((temp + (temp >> 8)) >> 8); }
 
-#  define png_composite_16(composite, fg, alpha, bg)       \
-     { png_uint_32 temp = (png_uint_32)((png_uint_32)(fg)  \
-           * (png_uint_32)(alpha)                          \
-           + (png_uint_32)(bg)*(png_uint_32)(65535L        \
-           - (png_uint_32)(alpha)) + (png_uint_32)32768L); \
+#  define png_composite_16(composite, fg, alpha, bg)                         \
+     { png_uint_32 temp = (png_uint_32)((png_uint_32)(fg) * (png_uint_32)(alpha) \
+                        + (png_uint_32)(bg)*(png_uint_32)(65535L -           \
+                        (png_uint_32)(alpha)) + (png_uint_32)32768L);        \
        (composite) = (png_uint_16)((temp + (temp >> 16)) >> 16); }
 
 #else  /* Standard method using integer division */

pngconf.h

@@ -1,9 +1,9 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.4.1beta12 - February 14, 2010
+ * libpng version 1.4.1alpha01 - November 27, 2009
  * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -28,9 +28,7 @@
 
 /* Added at libpng-1.2.9 */
 
-/* config.h is created by and PNG_CONFIGURE_LIBPNG is set by the "configure"
- * script.
- */
+/* config.h is created by and PNG_CONFIGURE_LIBPNG is set by the "configure" script. */
 #ifdef PNG_CONFIGURE_LIBPNG
 #  ifdef HAVE_CONFIG_H
 #    include "config.h"
@@ -674,29 +672,14 @@
 #endif
 
 /* Added at libpng-1.2.6 */
-#ifndef PNG_NO_SET_USER_LIMITS
-#  ifndef PNG_SET_USER_LIMITS_SUPPORTED
+#ifndef PNG_SET_USER_LIMITS_SUPPORTED
+#  ifndef PNG_NO_SET_USER_LIMITS
 #    define PNG_SET_USER_LIMITS_SUPPORTED
-#  endif
-  /* Feature added at libpng-1.4.0, this flag added at 1.4.1 */
-#  ifndef PNG_SET_CHUNK_CACHE_LIMIT_SUPPORTED
-#    define PNG_SET_CHUNK_CACHE_LIMIT_SUPPORTED
-#  endif
-  /* Feature added at libpng-1.4.1, this flag added at 1.4.1 */
-#  ifndef PNG_SET_CHUNK_MALLOC_LIMIT_SUPPORTED
-#    define PNG_SET_CHUNK_MALLOC_LIMIT_SUPPORTED
-#  endif
-#endif
-
-/* Added at libpng-1.2.43 */
-#ifndef PNG_USER_LIMITS_SUPPORTED
-#  ifndef PNG_NO_USER_LIMITS
-#    define PNG_USER_LIMITS_SUPPORTED
 #  endif
 #endif
 
 /* Added at libpng-1.0.16 and 1.2.6.  To accept all valid PNGs no matter
- * how large, set these two limits to 0x7fffffffL
+ * how large, set these limits to 0x7fffffffL
  */
 #ifndef PNG_USER_WIDTH_MAX
 #  define PNG_USER_WIDTH_MAX 1000000L
@@ -705,16 +688,9 @@
 #  define PNG_USER_HEIGHT_MAX 1000000L
 #endif
 
-/* Added at libpng-1.2.43.  To accept all valid PNGs no matter
- * how large, set these two limits to 0.
- */
+/* Added at libpng-1.4.0 */
 #ifndef PNG_USER_CHUNK_CACHE_MAX
-#  define PNG_USER_CHUNK_CACHE_MAX 0
-#endif
-
-/* Added at libpng-1.2.43 */
-#ifndef PNG_USER_CHUNK_MALLOC_MAX
-#  define PNG_USER_CHUNK_MALLOC_MAX 0
+#  define PNG_USER_CHUNK_CACHE_MAX 0x7fffffffL
 #endif
 
 /* Added at libpng-1.4.0 */
@@ -885,22 +861,20 @@
 #endif /* PNG_READ_ANCILLARY_CHUNKS_SUPPORTED */
 
 #ifndef PNG_NO_READ_UNKNOWN_CHUNKS
-#  ifndef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
-#    define PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
-#  endif
+#  define PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
 #  ifndef PNG_UNKNOWN_CHUNKS_SUPPORTED
 #    define PNG_UNKNOWN_CHUNKS_SUPPORTED
 #  endif
-#  ifndef PNG_READ_USER_CHUNKS_SUPPORTED
-#    define PNG_READ_USER_CHUNKS_SUPPORTED
-#  endif
 #endif
-#ifndef PNG_NO_READ_USER_CHUNKS
-#  ifndef PNG_READ_USER_CHUNKS_SUPPORTED
-#    define PNG_READ_USER_CHUNKS_SUPPORTED
+#if !defined(PNG_NO_READ_USER_CHUNKS) && \
+     defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
+#  define PNG_READ_USER_CHUNKS_SUPPORTED
+#  define PNG_USER_CHUNKS_SUPPORTED
+#  ifdef PNG_NO_READ_UNKNOWN_CHUNKS
+#    undef PNG_NO_READ_UNKNOWN_CHUNKS
 #  endif
-#  ifndef PNG_USER_CHUNKS_SUPPORTED
-#    define PNG_USER_CHUNKS_SUPPORTED
+#  ifdef PNG_NO_HANDLE_AS_UNKNOWN
+#    undef PNG_NO_HANDLE_AS_UNKNOWN
 #  endif
 #endif
 #ifndef PNG_NO_HANDLE_AS_UNKNOWN
@@ -1042,10 +1016,8 @@
 
 #endif /* PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED */
 
-#ifndef PNG_NO_WRITE_FILTER
-#  ifndef PNG_WRITE_FILTER_SUPPORTED
-#    define PNG_WRITE_FILTER_SUPPORTED
-#  endif
+#if !defined(PNG_NO_WRITE_FILTER) && !defined(PNG_WRITE_FILTER_SUPPORTED)
+#  define PNG_WRITE_FILTER_SUPPORTED
 #endif
 
 #ifndef PNG_NO_WRITE_UNKNOWN_CHUNKS
@@ -1326,51 +1298,33 @@ typedef char            FAR * FAR * FAR * png_charppp;
  *
  * Added at libpng-1.2.41.
  */
-
-#ifndef PNG_NO_PEDANTIC_WARNINGS
-#  ifndef PNG_PEDANTIC_WARNINGS_SUPPORTED
-#    define PNG_PEDANTIC_WARNINGS_SUPPORTED
+#ifdef __GNUC__
+#  ifndef PNG_DEPRECATED
+#    define PNG_DEPRECATED __attribute__((__deprecated__))
+#  endif
+#  ifndef PNG_USE_RESULT
+#    define PNG_USE_RESULT __attribute__((__warn_unused_result__))
+#  endif
+#  ifndef PNG_NORETURN
+#    define PNG_NORETURN   __attribute__((__noreturn__))
+#  endif
+#  ifndef PNG_ALLOCATED
+#    define PNG_ALLOCATED  __attribute__((__malloc__))
 #  endif
-#endif
-
-#ifdef PNG_PEDANTIC_WARNINGS_SUPPORTED
-/* Support for compiler specific function attributes.  These are used
- * so that where compiler support is available incorrect use of API
- * functions in png.h will generate compiler warnings.  Added at libpng
- * version 1.2.41.
- */
-#  ifdef __GNUC__
-#    ifndef PNG_USE_RESULT
-#      define PNG_USE_RESULT __attribute__((__warn_unused_result__))
-#    endif
-#    ifndef PNG_NORETURN
-#      define PNG_NORETURN   __attribute__((__noreturn__))
-#    endif
-#    ifndef PNG_ALLOCATED
-#      define PNG_ALLOCATED  __attribute__((__malloc__))
-#    endif
 
+#  ifndef PNG_CONFIGURE_LIBPNG
     /* This specifically protects structure members that should only be
      * accessed from within the library, therefore should be empty during
      * a library build.
      */
-#    ifndef PNG_DEPRECATED
-#      define PNG_DEPRECATED __attribute__((__deprecated__))
-#    endif
 #    ifndef PNG_DEPSTRUCT
 #      define PNG_DEPSTRUCT  __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 /* PNG_PRIVATE */
-#  endif /* __GNUC__ */
-#endif /* PNG_PEDANTIC_WARNINGS */
+#      define PNG_PRIVATE __attribute__((__deprecated__))
+#    endif
+#  endif
+#endif
 
 #ifndef PNG_DEPRECATED
 #  define PNG_DEPRECATED  /* Use of this function is deprecated */

pngerror.c

@@ -1,8 +1,8 @@
 
 /* pngerror.c - stub functions for i/o and memory allocation
  *
- * Last changed in libpng 1.4.0 [January 3, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -16,7 +16,6 @@
  * at each function.
  */
 
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
 #include "pngpriv.h"
@@ -231,12 +230,11 @@ png_chunk_benign_error(png_structp png_ptr, png_const_charp error_message)
 #endif /* PNG_READ_SUPPORTED */
 
 #ifdef PNG_SETJMP_SUPPORTED
-/* This API only exists if ANSI-C style error handling is used,
- * otherwise it is necessary for png_default_error to be overridden.
+/* This API only exists if ANSI-C style error handling is used, otherwise
+ * it is necessary for png_default_error to be overridden.
  */
 jmp_buf* PNGAPI
-png_set_longjmp_fn(png_structp png_ptr, png_longjmp_ptr longjmp_fn,
-    size_t jmp_buf_size)
+png_set_longjmp_fn(png_structp png_ptr, png_longjmp_ptr longjmp_fn, size_t jmp_buf_size)
 {
    if (png_ptr == NULL || jmp_buf_size != png_sizeof(jmp_buf))
       return NULL;
@@ -296,7 +294,7 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
    {
       jmp_buf jmpbuf;
       png_memcpy(jmpbuf, png_ptr->jmpbuf, png_sizeof(jmp_buf));
-     png_ptr->longjmp_fn(jmpbuf, 1);
+      png_ptr->longjmp_fn(jmpbuf, 1);
    }
 #  else
    png_ptr->longjmp_fn(png_ptr->jmpbuf, 1);

pngget.c

@@ -1,8 +1,8 @@
 
 /* pngget.c - retrieval of values from info struct
  *
- * Last changed in libpng 1.4.1 [February 14, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -12,7 +12,6 @@
  *
  */
 
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
 #include "pngpriv.h"
@@ -872,16 +871,17 @@ png_get_user_chunk_ptr(png_structp png_ptr)
 }
 #endif
 
+#ifdef PNG_WRITE_SUPPORTED
 png_size_t PNGAPI
 png_get_compression_buffer_size(png_structp png_ptr)
 {
    return (png_ptr ? png_ptr->zbuf_size : 0L);
 }
+#endif
 
 
 #ifdef PNG_SET_USER_LIMITS_SUPPORTED
-/* These functions were added to libpng 1.2.6 and were enabled
- * by default in libpng-1.4.0 */
+/* These functions were added to libpng 1.2.6 */
 png_uint_32 PNGAPI
 png_get_user_width_max (png_structp png_ptr)
 {
@@ -896,18 +896,11 @@ png_get_user_height_max (png_structp png_ptr)
 png_uint_32 PNGAPI
 png_get_chunk_cache_max (png_structp png_ptr)
 {
-    return (png_ptr? png_ptr->user_chunk_cache_max : 0);
-}
-/* This function was added to libpng 1.4.1 */
-png_alloc_size_t PNGAPI
-png_get_chunk_malloc_max (png_structp png_ptr)
-{
-    return (png_ptr?
-       png_ptr->user_chunk_malloc_max : 0);
+    return (png_ptr? png_ptr->user_chunk_cache_max? 0x7fffffffL :
+       png_ptr->user_chunk_cache_max - 1 : 0);
 }
 #endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */
 
-/* These functions were added to libpng 1.4.0 */
 #ifdef PNG_IO_STATE_SUPPORTED
 png_uint_32 PNGAPI
 png_get_io_state (png_structp png_ptr)

pngmem.c

@@ -1,8 +1,8 @@
 
 /* pngmem.c - stub functions for memory allocation
  *
- * Last changed in libpng 1.4.0 [February 14, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -17,7 +17,6 @@
  * identify the replacement functions.
  */
 
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
 #include "pngpriv.h"
@@ -201,7 +200,7 @@ png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
             {
 #ifndef PNG_USER_MEM_SUPPORTED
                if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
-                  png_error(png_ptr, "Out Of Memory"); /* Note "O", "M" */
+                  png_error(png_ptr, "Out Of Memory"); /* Note "O" and "M" */
                else
                   png_warning(png_ptr, "Out Of Memory");
 #endif
@@ -229,7 +228,7 @@ png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
             {
 #ifndef PNG_USER_MEM_SUPPORTED
                if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
-                  png_error(png_ptr, "Out Of memory"); /* Note "O", "m" */
+                  png_error(png_ptr, "Out Of memory"); /* Note "O" and "M" */
                else
                   png_warning(png_ptr, "Out Of memory");
 #endif

pngpread.c

@@ -1,8 +1,8 @@
 
 /* pngpread.c - read a png file in push mode
  *
- * Last changed in libpng 1.4.1 [February 14, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -11,7 +11,6 @@
  * and license in png.h
  */
 
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #ifdef PNG_PROGRESSIVE_READ_SUPPORTED
 #include "pngpriv.h"
@@ -329,9 +328,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr)
       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 =
-          (uInt) PNG_ROWBYTES(png_ptr->pixel_depth,
-          png_ptr->iwidth) + 1;
+      png_ptr->zstream.avail_out = (uInt)png_ptr->irowbytes;
       png_ptr->zstream.next_out = png_ptr->row_buf;
       return;
    }
@@ -700,13 +697,8 @@ png_push_save_buffer(png_structp png_ptr)
 
       new_max = png_ptr->save_buffer_size + png_ptr->current_buffer_size + 256;
       old_buffer = png_ptr->save_buffer;
-      png_ptr->save_buffer = (png_bytep)png_malloc_warn(png_ptr,
+      png_ptr->save_buffer = (png_bytep)png_malloc(png_ptr,
          (png_size_t)new_max);
-      if (png_ptr->save_buffer == NULL)
-      {
-        png_free(png_ptr, old_buffer);
-        png_error(png_ptr, "Insufficient memory for save_buffer");
-      }
       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;
@@ -804,7 +796,7 @@ png_push_read_IDAT(png_structp png_ptr)
 
       png_calculate_crc(png_ptr, png_ptr->current_buffer_ptr, save_size);
       if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
-         png_process_IDAT_data(png_ptr, png_ptr->current_buffer_ptr, save_size);
+        png_process_IDAT_data(png_ptr, png_ptr->current_buffer_ptr, save_size);
 
       png_ptr->idat_size -= save_size;
       png_ptr->buffer_size -= save_size;
@@ -876,9 +868,7 @@ png_process_IDAT_data(png_structp png_ptr, png_bytep buffer,
            break;
          }
          png_push_process_row(png_ptr);
-         png_ptr->zstream.avail_out =
-             (uInt) PNG_ROWBYTES(png_ptr->pixel_depth,
-             png_ptr->iwidth) + 1;
+         png_ptr->zstream.avail_out = (uInt)png_ptr->irowbytes;
          png_ptr->zstream.next_out = png_ptr->row_buf;
       }
 
@@ -1143,6 +1133,9 @@ png_read_push_finish_row(png_structp png_ptr)
             png_pass_start[png_ptr->pass]) /
             png_pass_inc[png_ptr->pass];
 
+         png_ptr->irowbytes = PNG_ROWBYTES(png_ptr->pixel_depth,
+            png_ptr->iwidth) + 1;
+
          if (png_ptr->transformations & PNG_INTERLACE)
             break;
 
@@ -1571,7 +1564,7 @@ png_push_read_iTXt(png_structp png_ptr, png_infop info_ptr)
 
       png_free(png_ptr, text_ptr);
       if (ret)
-         png_warning(png_ptr, "Insufficient memory to store iTXt chunk");
+        png_warning(png_ptr, "Insufficient memory to store iTXt chunk");
    }
 }
 #endif
@@ -1626,7 +1619,7 @@ png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32
       else
       {
          png_ptr->unknown_chunk.data = (png_bytep)png_malloc(png_ptr,
-            (png_size_t)length);
+       (png_size_t)length);
          png_crc_read(png_ptr, (png_bytep)png_ptr->unknown_chunk.data, length);
       }
 

pngpriv.h

@@ -1,9 +1,9 @@
 
 /* pngpriv.h - private declarations for use inside libpng
  *
- * libpng version 1.4.1beta12 - February 14, 2010
+ * libpng version 1.4.1alpha01 - November 27, 2009
  * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -351,8 +351,8 @@ PNG_EXTERN void png_write_IEND PNGARG((png_structp png_ptr));
 PNG_EXTERN void png_write_gAMA PNGARG((png_structp png_ptr, double file_gamma));
 #endif
 #ifdef PNG_FIXED_POINT_SUPPORTED
-PNG_EXTERN void png_write_gAMA_fixed PNGARG((png_structp png_ptr,
-    png_fixed_point file_gamma));
+PNG_EXTERN void png_write_gAMA_fixed PNGARG((png_structp png_ptr, png_fixed_point
+    file_gamma));
 #endif
 #endif
 
@@ -475,8 +475,7 @@ PNG_EXTERN void png_write_finish_row PNGARG((png_structp png_ptr));
 PNG_EXTERN void png_write_start_row PNGARG((png_structp png_ptr));
 
 #ifdef PNG_READ_GAMMA_SUPPORTED
-PNG_EXTERN void png_build_gamma_table PNGARG((png_structp png_ptr,
-   png_byte bit_depth));
+PNG_EXTERN void png_build_gamma_table PNGARG((png_structp png_ptr));
 #endif
 
 /* Combine a row of data, dealing with alpha, etc. if requested */
@@ -556,8 +555,7 @@ PNG_EXTERN void png_do_strip_filler PNGARG((png_row_infop row_info,
 PNG_EXTERN void png_do_swap PNGARG((png_row_infop row_info, png_bytep row));
 #endif
 
-#if defined(PNG_READ_PACKSWAP_SUPPORTED) || \
-    defined(PNG_WRITE_PACKSWAP_SUPPORTED)
+#if defined(PNG_READ_PACKSWAP_SUPPORTED) || defined(PNG_WRITE_PACKSWAP_SUPPORTED)
 PNG_EXTERN void png_do_packswap PNGARG((png_row_infop row_info, png_bytep row));
 #endif
 
@@ -946,6 +944,10 @@ extern void *png_far_to_near PNGARG((png_structp png_ptr,png_voidp ptr,
 #define png_debug2(l, m, p1, p2)
 #endif
 
+#if 0
+extern PNG_EXPORT(png_bytep,png_sig_bytes) PNGARG((void));
+#endif
+
 /* Maintainer: Put new private prototypes here ^ and in libpngpf.3 */
 
 #ifdef __cplusplus

pngread.c

@@ -1,8 +1,8 @@
 
 /* pngread.c - read a PNG file
  *
- * Last changed in libpng 1.4.1 [February 14, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -14,7 +14,6 @@
  * read a PNG file or stream.
  */
 
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #ifdef PNG_READ_SUPPORTED
 #include "pngpriv.h"
@@ -31,9 +30,7 @@ png_create_read_struct(png_const_charp user_png_ver, png_voidp error_ptr,
       warn_fn, NULL, NULL, NULL));
 }
 
-/* Alternate create PNG structure for reading, and allocate any memory
- * needed.
- */
+/* Alternate create PNG structure for reading, and allocate any memory needed. */
 png_structp PNGAPI
 png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
    png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr,
@@ -45,7 +42,7 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
    volatile
 #endif
    png_structp png_ptr;
-   volatile int png_cleanup_needed = 0;
+   int png_cleanup_needed = 0;
 
 #ifdef PNG_SETJMP_SUPPORTED
 #ifdef USE_FAR_KEYWORD
@@ -67,17 +64,11 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
       return (NULL);
 
    /* Added at libpng-1.2.6 */
-#ifdef PNG_USER_LIMITS_SUPPORTED
+#ifdef PNG_SET_USER_LIMITS_SUPPORTED
    png_ptr->user_width_max = PNG_USER_WIDTH_MAX;
    png_ptr->user_height_max = PNG_USER_HEIGHT_MAX;
-#  ifdef PNG_USER_CHUNK_CACHE_MAX
-   /* Added at libpng-1.2.43 and 1.4.0 */
+   /* Added at libpng-1.4.0 */
    png_ptr->user_chunk_cache_max = PNG_USER_CHUNK_CACHE_MAX;
-#  endif
-#  ifdef PNG_SET_USER_CHUNK_MALLOC_MAX
-   /* Added at libpng-1.2.43 and 1.4.1 */
-   png_ptr->user_chunk_malloc_max = PNG_USER_CHUNK_MALLOC_MAX;
-#  endif
 #endif
 
 #ifdef PNG_SETJMP_SUPPORTED
@@ -485,8 +476,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
    if (png_ptr->transformations & PNG_FILLER)
       png_warning(png_ptr, "PNG_READ_FILLER_SUPPORTED is not defined");
 #endif
-#if defined(PNG_WRITE_PACKSWAP_SUPPORTED) && \
-    !defined(PNG_READ_PACKSWAP_SUPPORTED)
+#if defined(PNG_WRITE_PACKSWAP_SUPPORTED) && !defined(PNG_READ_PACKSWAP_SUPPORTED)
    if (png_ptr->transformations & PNG_PACKSWAP)
       png_warning(png_ptr, "PNG_READ_PACKSWAP_SUPPORTED is not defined");
 #endif
@@ -589,9 +579,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
       png_error(png_ptr, "Invalid attempt to read row data");
 
    png_ptr->zstream.next_out = png_ptr->row_buf;
-   png_ptr->zstream.avail_out =
-       (uInt)(PNG_ROWBYTES(png_ptr->pixel_depth,
-       png_ptr->iwidth) + 1);
+   png_ptr->zstream.avail_out = (uInt)png_ptr->irowbytes;
    do
    {
       if (!(png_ptr->zstream.avail_in))
@@ -1055,8 +1043,7 @@ png_destroy_read_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr,
 
 /* Free all memory used by the read (old method) */
 void /* PRIVATE */
-png_read_destroy(png_structp png_ptr, png_infop info_ptr,
-    png_infop end_info_ptr)
+png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr)
 {
 #ifdef PNG_SETJMP_SUPPORTED
    jmp_buf tmp_jmp;

pngrio.c

@@ -1,8 +1,8 @@
 
 /* pngrio.c - functions for data input
  *
- * Last changed in libpng 1.4.1 [February 14, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -18,7 +18,6 @@
  * libpng use it at run time with png_set_read_fn(...).
  */
 
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #ifdef PNG_READ_SUPPORTED
 #include "pngpriv.h"

pngrtran.c

@@ -1,8 +1,8 @@
 
 /* pngrtran.c - transforms the data in a row for PNG readers
  *
- * Last changed in libpng 1.4.1 [February 14, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -16,7 +16,6 @@
  * in pngtrans.c.
  */
 
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #ifdef PNG_READ_SUPPORTED
 #include "pngpriv.h"
@@ -432,10 +431,8 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
                         png_ptr->palette_to_index[png_ptr->index_to_palette[j]]
                            = png_ptr->palette_to_index[num_new_palette];
 
-                        png_ptr->index_to_palette[j] =
-                            (png_byte)num_new_palette;
-                        png_ptr->palette_to_index[num_new_palette] =
-                            (png_byte)j;
+                        png_ptr->index_to_palette[j] = (png_byte)num_new_palette;
+                        png_ptr->palette_to_index[num_new_palette] = (png_byte)j;
                      }
                      if (num_new_palette <= maximum_colors)
                         break;
@@ -504,8 +501,7 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
          {
             /* int dr = abs(ir - r); */
             int dr = ((ir > r) ? ir - r : r - ir);
-            int index_r = (ir << (PNG_DITHER_BLUE_BITS +
-                PNG_DITHER_GREEN_BITS));
+            int index_r = (ir << (PNG_DITHER_BLUE_BITS + PNG_DITHER_GREEN_BITS));
 
             for (ig = 0; ig < num_green; ig++)
             {
@@ -750,9 +746,8 @@ png_init_read_transformations(png_structp png_ptr)
    png_debug(1, "in png_init_read_transformations");
 
   {
-#if defined(PNG_READ_BACKGROUND_SUPPORTED) || \
-    defined(PNG_READ_SHIFT_SUPPORTED) || \
-    defined(PNG_READ_GAMMA_SUPPORTED)
+#if defined(PNG_READ_BACKGROUND_SUPPORTED) || defined(PNG_READ_SHIFT_SUPPORTED) \
+ || defined(PNG_READ_GAMMA_SUPPORTED)
    int color_type = png_ptr->color_type;
 #endif
 
@@ -890,8 +885,7 @@ png_init_read_transformations(png_structp png_ptr)
    if ((png_ptr->transformations & (PNG_GAMMA | PNG_RGB_TO_GRAY)) &&
         png_ptr->gamma != 0.0)
    {
-      png_build_gamma_table(png_ptr, png_ptr->bit_depth);
-
+      png_build_gamma_table(png_ptr);
 #ifdef PNG_READ_BACKGROUND_SUPPORTED
       if (png_ptr->transformations & PNG_BACKGROUND)
       {
@@ -949,8 +943,7 @@ png_init_read_transformations(png_structp png_ptr)
                   back.red = (png_byte)(pow(
                      (double)png_ptr->background.red/255.0, gs) * 255.0 + .5);
                   back.green = (png_byte)(pow(
-                     (double)png_ptr->background.green/255.0, gs) * 255.0
-                         + .5);
+                     (double)png_ptr->background.green/255.0, gs) * 255.0 + .5);
                   back.blue = (png_byte)(pow(
                      (double)png_ptr->background.blue/255.0, gs) * 255.0 + .5);
                }
@@ -1362,8 +1355,7 @@ png_do_read_transformations(png_structp png_ptr)
    if (png_ptr->transformations & PNG_RGB_TO_GRAY)
    {
       int rgb_error =
-         png_do_rgb_to_gray(png_ptr, &(png_ptr->row_info),
-             png_ptr->row_buf + 1);
+         png_do_rgb_to_gray(png_ptr, &(png_ptr->row_info), png_ptr->row_buf + 1);
       if (rgb_error)
       {
          png_ptr->rgb_to_gray_status=1;
@@ -1417,6 +1409,11 @@ png_do_read_transformations(png_structp png_ptr)
       png_do_gray_to_rgb(&(png_ptr->row_info), png_ptr->row_buf + 1);
 #endif
 
+#ifdef PNG_READ_16_TO_8_SUPPORTED
+   if (png_ptr->transformations & PNG_16_TO_8)
+      png_do_chop(&(png_ptr->row_info), png_ptr->row_buf + 1);
+#endif
+
 #ifdef PNG_READ_BACKGROUND_SUPPORTED
    if ((png_ptr->transformations & PNG_BACKGROUND) &&
       ((png_ptr->num_trans != 0 ) ||
@@ -1446,11 +1443,6 @@ png_do_read_transformations(png_structp png_ptr)
           png_ptr->gamma_shift);
 #endif
 
-#ifdef PNG_READ_16_TO_8_SUPPORTED
-   if (png_ptr->transformations & PNG_16_TO_8)
-      png_do_chop(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-
 #ifdef PNG_READ_DITHER_SUPPORTED
    if (png_ptr->transformations & PNG_DITHER)
    {
@@ -2349,8 +2341,7 @@ png_do_rgb_to_gray(png_structp png_ptr, png_row_infop row_info, png_bytep row)
                   {
                      png_uint_16 red_1   = png_ptr->gamma_16_to_1[(red&0xff) >>
                                   png_ptr->gamma_shift][red>>8];
-                     png_uint_16 green_1 =
-                         png_ptr->gamma_16_to_1[(green&0xff) >>
+                     png_uint_16 green_1 = png_ptr->gamma_16_to_1[(green&0xff) >>
                                   png_ptr->gamma_shift][green>>8];
                      png_uint_16 blue_1  = png_ptr->gamma_16_to_1[(blue&0xff) >>
                                   png_ptr->gamma_shift][blue>>8];
@@ -2446,14 +2437,13 @@ png_do_rgb_to_gray(png_structp png_ptr, png_row_infop row_info, png_bytep row)
                   else
                   {
                      png_uint_16 red_1   = png_ptr->gamma_16_to_1[(red&0xff) >>
-                         png_ptr->gamma_shift][red>>8];
-                     png_uint_16 green_1 =
-                         png_ptr->gamma_16_to_1[(green&0xff) >>
-                         png_ptr->gamma_shift][green>>8];
+                                  png_ptr->gamma_shift][red>>8];
+                     png_uint_16 green_1 = png_ptr->gamma_16_to_1[(green&0xff) >>
+                                  png_ptr->gamma_shift][green>>8];
                      png_uint_16 blue_1  = png_ptr->gamma_16_to_1[(blue&0xff) >>
-                         png_ptr->gamma_shift][blue>>8];
+                                  png_ptr->gamma_shift][blue>>8];
                      png_uint_16 gray16  = (png_uint_16)((rc * red_1
-                         + gc * green_1 + bc * blue_1)>>15);
+                                  + gc * green_1 + bc * blue_1)>>15);
                      w = png_ptr->gamma_16_from_1[(gray16&0xff) >>
                          png_ptr->gamma_shift][gray16 >> 8];
                      rgb_error |= 1;
@@ -3383,10 +3373,10 @@ png_do_gamma(png_row_infop row_info, png_bytep row,
                   int d = *sp & 0x03;
 
                   *sp = (png_byte)(
-                      ((((int)gamma_table[a|(a>>2)|(a>>4)|(a>>6)])   ) & 0xc0)|
-                      ((((int)gamma_table[(b<<2)|b|(b>>2)|(b>>4)])>>2) & 0x30)|
-                      ((((int)gamma_table[(c<<4)|(c<<2)|c|(c>>2)])>>4) & 0x0c)|
-                      ((((int)gamma_table[(d<<6)|(d<<4)|(d<<2)|d])>>6) ));
+                        ((((int)gamma_table[a|(a>>2)|(a>>4)|(a>>6)])   ) & 0xc0)|
+                        ((((int)gamma_table[(b<<2)|b|(b>>2)|(b>>4)])>>2) & 0x30)|
+                        ((((int)gamma_table[(c<<4)|(c<<2)|c|(c>>2)])>>4) & 0x0c)|
+                        ((((int)gamma_table[(d<<6)|(d<<4)|(d<<2)|d])>>6) ));
                   sp++;
                }
             }
@@ -3400,7 +3390,7 @@ png_do_gamma(png_row_infop row_info, png_bytep row,
                   int lsb = *sp & 0x0f;
 
                   *sp = (png_byte)((((int)gamma_table[msb | (msb >> 4)]) & 0xf0)
-                      | (((int)gamma_table[(lsb << 4) | lsb]) >> 4));
+                          | (((int)gamma_table[(lsb << 4) | lsb]) >> 4));
                   sp++;
                }
             }
@@ -3919,11 +3909,11 @@ static PNG_CONST int png_gamma_shift[] =
  */
 
 void /* PRIVATE */
-png_build_gamma_table(png_structp png_ptr, png_byte bit_depth)
+png_build_gamma_table(png_structp png_ptr)
 {
   png_debug(1, "in png_build_gamma_table");
 
-  if (bit_depth <= 8)
+  if (png_ptr->bit_depth <= 8)
   {
      int i;
      double g;

pngrutil.c

@@ -1,8 +1,8 @@
 
 /* pngrutil.c - utilities to read a PNG file
  *
- * Last changed in libpng 1.4.1 [February 14, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -14,7 +14,6 @@
  * libpng itself during the course of reading an image.
  */
 
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #ifdef PNG_READ_SUPPORTED
 #include "pngpriv.h"
@@ -201,95 +200,6 @@ png_crc_error(png_structp png_ptr)
 
 #if defined(PNG_READ_zTXt_SUPPORTED) || defined(PNG_READ_iTXt_SUPPORTED) || \
     defined(PNG_READ_iCCP_SUPPORTED)
-static png_size_t
-png_inflate(png_structp png_ptr, const png_byte *data, png_size_t size,
-	png_bytep output, png_size_t output_size)
-{
-   png_size_t count = 0;
-
-   png_ptr->zstream.next_in = (png_bytep)data; /* const_cast: VALID */
-   png_ptr->zstream.avail_in = size;
-
-   while (1)
-   {
-      int ret, avail;
-
-      /* Reset the output buffer each time round - we empty it
-       * after every inflate call.
-       */
-      png_ptr->zstream.next_out = png_ptr->zbuf;
-      png_ptr->zstream.avail_out = png_ptr->zbuf_size;
-
-      ret = inflate(&png_ptr->zstream, Z_NO_FLUSH);
-      avail = png_ptr->zbuf_size - png_ptr->zstream.avail_out;
-
-      /* First copy/count any new output - but only if we didn't
-       * get an error code.
-       */
-      if ((ret == Z_OK || ret == Z_STREAM_END) && avail > 0)
-      {
-         if (output != 0 && output_size > count)
-	 {
-	    int copy = output_size - count;
-	    if (avail < copy) copy = avail;
-	    png_memcpy(output + count, png_ptr->zbuf, copy);
-	 }
-         count += avail;
-      }
-
-      if (ret == Z_OK)
-         continue;
-
-      /* Termination conditions - always reset the zstream, it
-       * must be left in inflateInit state.
-       */
-      png_ptr->zstream.avail_in = 0;
-      inflateReset(&png_ptr->zstream);
-
-      if (ret == Z_STREAM_END)
-         return count; /* NOTE: may be zero. */
-
-      /* Now handle the error codes - the API always returns 0
-       * and the error message is dumped into the uncompressed
-       * buffer if available.
-       */
-      {
-         char *msg, umsg[52];
-	 if (png_ptr->zstream.msg != 0)
-	    msg = png_ptr->zstream.msg;
-	 else
-	 {
-#ifdef PNG_STDIO_SUPPORTED
-	    switch (ret)
-	    {
-	 case Z_BUF_ERROR:
-	    msg = "Buffer error in compressed datastream in %s chunk";
-	    break;
-	 case Z_DATA_ERROR:
-	    msg = "Data error in compressed datastream in %s chunk";
-	    break;
-	 default:
-	    msg = "Incomplete compressed datastream in %s chunk";
-	    break;
-	    }
-
-	    png_snprintf(umsg, sizeof umsg, msg, png_ptr->chunk_name);
-	    msg = umsg;
-#else
-	    msg = "Damaged compressed datastream in chunk other than IDAT";
-#endif
-	 }
-
-         png_warning(png_ptr, msg);
-      }
-
-      /* 0 means an error - notice that this code simple ignores
-       * zero length compressed chunks as a result.
-       */
-      return 0;
-   }
-}
-
 /*
  * Decompress trailing data in a chunk.  The assumption is that chunkdata
  * points at an allocated area holding the contents of a chunk with a
@@ -299,107 +209,185 @@ png_inflate(png_structp png_ptr, const png_byte *data, png_size_t size,
  */
 void /* PRIVATE */
 png_decompress_chunk(png_structp png_ptr, int comp_type,
-    png_size_t chunklength,
-    png_size_t prefix_size, png_size_t *newlength)
+                              png_size_t chunklength,
+                              png_size_t prefix_size, png_size_t *newlength)
 {
-   /* The caller should guarantee this */
-   if (prefix_size > chunklength)
+   static PNG_CONST char msg[] = "Error decoding compressed chunk";
+   png_charp text;
+   png_size_t text_size;
+
+   if (comp_type == PNG_COMPRESSION_TYPE_BASE)
    {
-      /* The recovery is to delete the chunk. */
-      png_warning(png_ptr, "invalid chunklength");
-      prefix_size = 0; /* To delete everything */
-   }
+      int ret = Z_OK;
+      png_ptr->zstream.next_in = (png_bytep)(png_ptr->chunkdata + prefix_size);
+      png_ptr->zstream.avail_in = (uInt)(chunklength - prefix_size);
+      png_ptr->zstream.next_out = png_ptr->zbuf;
+      png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
 
-   else if (comp_type == PNG_COMPRESSION_TYPE_BASE)
-   {
-      png_size_t expanded_size = png_inflate(png_ptr,
-		(png_bytep)(png_ptr->chunkdata + prefix_size),
-                chunklength - prefix_size,
-		0/*output*/, 0/*output size*/);
+      text_size = 0;
+      text = NULL;
 
-      /* Now check the limits on this chunk - if the limit fails the
-       * compressed data will be removed, the prefix will remain.
-       */
-#ifdef PNG_SET_CHUNK_MALLOC_LIMIT_SUPPORTED
-      if (png_ptr->user_chunk_malloc_max &&
-          (prefix_size + expanded_size >= png_ptr->user_chunk_malloc_max - 1))
-#else
-      if ((PNG_USER_CHUNK_MALLOC_MAX > 0) &&
-          prefix_size + expanded_size >= PNG_USER_CHUNK_MALLOC_MAX - 1)
-#endif
-         png_warning(png_ptr, "Exceeded size limit while expanding chunk");
-
-      /* If the size is zero either there was an error and a message
-       * has already been output (warning) or the size really is zero
-       * and we have nothing to do - the code will exit through the
-       * error case below.
-       */
-      else if (expanded_size > 0)
+      while (png_ptr->zstream.avail_in)
       {
-         /* Success (maybe) - really uncompress the chunk. */
-	 png_size_t new_size = 0;
-	 png_charp text = png_malloc_warn(png_ptr,
-			prefix_size + expanded_size + 1);
-
-         if (text != NULL)
+         ret = inflate(&png_ptr->zstream, Z_PARTIAL_FLUSH);
+         if (ret != Z_OK && ret != Z_STREAM_END)
          {
-	    png_memcpy(text, png_ptr->chunkdata, prefix_size);
-	    new_size = png_inflate(png_ptr,
-                (png_bytep)(png_ptr->chunkdata + prefix_size),
-		chunklength - prefix_size,
-                (png_bytep)(text + prefix_size), expanded_size);
-	    text[prefix_size + expanded_size] = 0; /* just in case */
+            if (png_ptr->zstream.msg != NULL)
+               png_warning(png_ptr, png_ptr->zstream.msg);
+            else
+               png_warning(png_ptr, msg);
+            inflateReset(&png_ptr->zstream);
+            png_ptr->zstream.avail_in = 0;
 
-	    if (new_size == expanded_size)
-	    {
-	       png_free(png_ptr, png_ptr->chunkdata);
-	       png_ptr->chunkdata = text;
-	       *newlength = prefix_size + expanded_size;
-	       return; /* The success return! */
-	    }
-      
-	    png_warning(png_ptr, "png_inflate logic error");
-	    png_free(png_ptr, text);
-	 }
-	 else
-          png_warning(png_ptr, "Not enough memory to decompress chunk");
+            if (text ==  NULL)
+            {
+               text_size = prefix_size + png_sizeof(msg) + 1;
+               text = (png_charp)png_malloc_warn(png_ptr, text_size);
+               if (text ==  NULL)
+                 {
+                    png_free(png_ptr, png_ptr->chunkdata);
+                    png_ptr->chunkdata = NULL;
+                    png_error(png_ptr, "Not enough memory to decompress chunk");
+                 }
+               png_memcpy(text, png_ptr->chunkdata, prefix_size);
+            }
+
+            text[text_size - 1] = 0x00;
+
+            /* Copy what we can of the error message into the text chunk */
+            text_size = (png_size_t)(chunklength -
+              (text - png_ptr->chunkdata) - 1);
+            if (text_size > png_sizeof(msg))
+               text_size = png_sizeof(msg);
+            png_memcpy(text + prefix_size, msg, text_size);
+            break;
+         }
+         if (!png_ptr->zstream.avail_out || ret == Z_STREAM_END)
+         {
+            if (text == NULL)
+            {
+               text_size = prefix_size +
+                   png_ptr->zbuf_size - png_ptr->zstream.avail_out;
+               text = (png_charp)png_malloc_warn(png_ptr, text_size + 1);
+               if (text ==  NULL)
+               {
+                  png_free(png_ptr, png_ptr->chunkdata);
+                  png_ptr->chunkdata = NULL;
+                  png_error(png_ptr,
+                    "Not enough memory to decompress chunk");
+               }
+               png_memcpy(text + prefix_size, png_ptr->zbuf,
+                    text_size - prefix_size);
+               png_memcpy(text, png_ptr->chunkdata, prefix_size);
+               *(text + text_size) = 0x00;
+            }
+            else
+            {
+               png_charp tmp;
+
+               tmp = text;
+#ifdef PNG_SET_USER_LIMITS_SUPPORTED
+               if ((png_ptr->user_chunk_cache_max != 0) &&
+                  (--png_ptr->user_chunk_cache_max == 0))
+               {
+                  png_warning(png_ptr, "No space in chunk cache");
+                  text = NULL;
+               }
+
+               else
+               {
+#endif
+                  text = (png_charp)png_malloc_warn(png_ptr,
+                     (png_size_t)(text_size +
+                      png_ptr->zbuf_size - png_ptr->zstream.avail_out + 1));
+#ifdef PNG_SET_USER_LIMITS_SUPPORTED
+               }
+#endif
+               if (text == NULL)
+               {
+                  png_free(png_ptr, tmp);
+                  png_free(png_ptr, png_ptr->chunkdata);
+                  png_ptr->chunkdata = NULL;
+                  png_error(png_ptr,
+                    "Not enough memory to decompress chunk");
+               }
+               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) = 0x00;
+            }
+            if (ret == Z_STREAM_END)
+               break;
+            else
+            {
+               png_ptr->zstream.next_out = png_ptr->zbuf;
+               png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
+            }
+         }
       }
-   }
+      if (ret != Z_STREAM_END)
+      {
+#ifdef PNG_STDIO_SUPPORTED
+         char umsg[52];
 
+         if (ret == Z_BUF_ERROR)
+            png_snprintf(umsg, 52,
+                "Buffer error in compressed datastream in %s chunk",
+                png_ptr->chunk_name);
+
+         else if (ret == Z_DATA_ERROR)
+            png_snprintf(umsg, 52,
+                "Data error in compressed datastream in %s chunk",
+                png_ptr->chunk_name);
+
+         else
+            png_snprintf(umsg, 52,
+                "Incomplete compressed datastream in %s chunk",
+                png_ptr->chunk_name);
+
+         png_warning(png_ptr, umsg);
+#else
+         png_warning(png_ptr,
+            "Incomplete compressed datastream in chunk other than IDAT");
+#endif
+         text_size = prefix_size;
+         if (text ==  NULL)
+         {
+            text = (png_charp)png_malloc_warn(png_ptr, text_size+1);
+            if (text == NULL)
+              {
+                png_free(png_ptr, png_ptr->chunkdata);
+                png_ptr->chunkdata = NULL;
+                png_error(png_ptr, "Not enough memory for text");
+              }
+            png_memcpy(text, png_ptr->chunkdata, prefix_size);
+         }
+         *(text + text_size) = 0x00;
+      }
+
+      inflateReset(&png_ptr->zstream);
+      png_ptr->zstream.avail_in = 0;
+
+      png_free(png_ptr, png_ptr->chunkdata);
+      png_ptr->chunkdata = text;
+      *newlength=text_size;
+   }
    else /* if (comp_type != PNG_COMPRESSION_TYPE_BASE) */
    {
+#ifdef PNG_STDIO_SUPPORTED
       char umsg[50];
 
-#ifdef PNG_STDIO_SUPPORTED
-      png_snprintf(umsg, sizeof umsg, "Unknown zTXt compression type %d", comp_type);
+      png_snprintf(umsg, 50, "Unknown zTXt compression type %d", comp_type);
       png_warning(png_ptr, umsg);
 #else
       png_warning(png_ptr, "Unknown zTXt compression type");
 #endif
 
-      /* The recovery is to simply drop the data. */
+      *(png_ptr->chunkdata + prefix_size) = 0x00;
+      *newlength = prefix_size;
    }
-
-   /* Generic error return - leave the prefix, delete the compressed
-    * data, reallocate the chunkdata to remove the potentially large
-    * amount of compressed data.
-    */
-   {
-      png_charp text = png_malloc_warn(png_ptr, prefix_size + 1);
-      if (text != NULL)
-      {
-	 if (prefix_size > 0)
-            png_memcpy(text, png_ptr->chunkdata, prefix_size);
-	 png_free(png_ptr, png_ptr->chunkdata);
-	 png_ptr->chunkdata = text;
-
-	 /* This is an extra zero in the 'uncompressed' part. */
-	 *(png_ptr->chunkdata + prefix_size) = 0x00;
-      }
-      /* Ignore a malloc error here - it is safe. */
-   }
-
-   *newlength = prefix_size;
 }
 #endif
 
@@ -1120,18 +1108,6 @@ png_handle_iCCP(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
       png_free(png_ptr, png_ptr->chunkdata);
       png_ptr->chunkdata = NULL;
       png_warning(png_ptr, "Ignoring truncated iCCP profile");
-#ifdef PNG_STDIO_SUPPORTED
- {
-    char umsg[50];
-
-    png_snprintf(umsg, 50, "declared profile size = %lu",
-        (unsigned long)profile_size);
-    png_warning(png_ptr, umsg);
-    png_snprintf(umsg, 50, "actual profile length = %lu",
-        (unsigned long)profile_length);
-    png_warning(png_ptr, umsg);
- }
-#endif
       return;
    }
 
@@ -1158,7 +1134,7 @@ png_handle_sPLT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
 
    png_debug(1, "in png_handle_sPLT");
 
-#ifdef PNG_USER_LIMITS_SUPPORTED
+#ifdef PNG_SET_USER_LIMITS_SUPPORTED
 
    if (png_ptr->user_chunk_cache_max != 0)
    {
@@ -1208,8 +1184,7 @@ png_handle_sPLT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
 
    png_ptr->chunkdata[slength] = 0x00;
 
-   for (entry_start = (png_bytep)png_ptr->chunkdata; *entry_start;
-       entry_start++)
+   for (entry_start = (png_bytep)png_ptr->chunkdata; *entry_start; entry_start++)
       /* Empty loop to find end of name */ ;
    ++entry_start;
 
@@ -1963,7 +1938,7 @@ png_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
 
    png_debug(1, "in png_handle_tEXt");
 
-#ifdef PNG_USER_LIMITS_SUPPORTED
+#ifdef PNG_SET_USER_LIMITS_SUPPORTED
    if (png_ptr->user_chunk_cache_max != 0)
    {
       if (png_ptr->user_chunk_cache_max == 1)
@@ -2065,7 +2040,7 @@ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
 
    png_debug(1, "in png_handle_zTXt");
 
-#ifdef PNG_USER_LIMITS_SUPPORTED
+#ifdef PNG_SET_USER_LIMITS_SUPPORTED
    if (png_ptr->user_chunk_cache_max != 0)
    {
       if (png_ptr->user_chunk_cache_max == 1)
@@ -2186,7 +2161,7 @@ png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
 
    png_debug(1, "in png_handle_iTXt");
 
-#ifdef PNG_USER_LIMITS_SUPPORTED
+#ifdef PNG_SET_USER_LIMITS_SUPPORTED
    if (png_ptr->user_chunk_cache_max != 0)
    {
       if (png_ptr->user_chunk_cache_max == 1)
@@ -2330,7 +2305,7 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
 
    png_debug(1, "in png_handle_unknown");
 
-#ifdef PNG_USER_LIMITS_SUPPORTED
+#ifdef PNG_SET_USER_LIMITS_SUPPORTED
    if (png_ptr->user_chunk_cache_max != 0)
    {
       if (png_ptr->user_chunk_cache_max == 1)
@@ -2385,8 +2360,7 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
        png_memcpy((png_charp)png_ptr->unknown_chunk.name,
                   (png_charp)png_ptr->chunk_name,
                   png_sizeof(png_ptr->unknown_chunk.name));
-       png_ptr->unknown_chunk.name[png_sizeof(png_ptr->unknown_chunk.name)-1]
-           = '\0';
+       png_ptr->unknown_chunk.name[png_sizeof(png_ptr->unknown_chunk.name)-1] = '\0';
        png_ptr->unknown_chunk.size = (png_size_t)length;
        if (length == 0)
          png_ptr->unknown_chunk.data = NULL;
@@ -2858,8 +2832,7 @@ png_do_read_interlace(png_structp png_ptr)
          default:
          {
             png_size_t pixel_bytes = (row_info->pixel_depth >> 3);
-            png_bytep sp = row + (png_size_t)(row_info->width - 1)
-                * pixel_bytes;
+            png_bytep sp = row + (png_size_t)(row_info->width - 1) * pixel_bytes;
             png_bytep dp = row + (png_size_t)(final_width - 1) * pixel_bytes;
 
             int jstop = png_pass_inc[pass];
@@ -3054,6 +3027,9 @@ png_read_finish_row(png_structp png_ptr)
             png_pass_start[png_ptr->pass]) /
             png_pass_inc[png_ptr->pass];
 
+         png_ptr->irowbytes = PNG_ROWBYTES(png_ptr->pixel_depth,
+            png_ptr->iwidth) + 1;
+
          if (!(png_ptr->transformations & PNG_INTERLACE))
          {
             png_ptr->num_rows = (png_ptr->height +
@@ -3178,12 +3154,16 @@ png_read_start_row(png_structp png_ptr)
          png_pass_inc[png_ptr->pass] - 1 -
          png_pass_start[png_ptr->pass]) /
          png_pass_inc[png_ptr->pass];
+
+         png_ptr->irowbytes =
+            PNG_ROWBYTES(png_ptr->pixel_depth, png_ptr->iwidth) + 1;
    }
    else
 #endif /* PNG_READ_INTERLACING_SUPPORTED */
    {
       png_ptr->num_rows = png_ptr->height;
       png_ptr->iwidth = png_ptr->width;
+      png_ptr->irowbytes = png_ptr->rowbytes + 1;
    }
    max_pixel_depth = png_ptr->pixel_depth;
 
@@ -3304,12 +3284,9 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
    if (row_bytes + 48 > png_ptr->old_big_row_buf_size)
    {
      png_free(png_ptr, png_ptr->big_row_buf);
+     png_ptr->big_row_buf = (png_bytep)png_malloc(png_ptr, row_bytes + 48);
      if (png_ptr->interlaced)
-        png_ptr->big_row_buf = (png_bytep)png_calloc(png_ptr,
-            row_bytes + 48);
-     else
-        png_ptr->big_row_buf = (png_bytep)png_malloc(png_ptr,
-            row_bytes + 48);
+       png_memset(png_ptr->big_row_buf, 0, row_bytes + 48);
      png_ptr->old_big_row_buf_size = row_bytes + 48;
 
 #ifdef PNG_ALIGNED_MEMORY_SUPPORTED
@@ -3348,8 +3325,7 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
    png_debug1(3, "iwidth = %lu,", png_ptr->iwidth);
    png_debug1(3, "num_rows = %lu,", png_ptr->num_rows);
    png_debug1(3, "rowbytes = %lu,", png_ptr->rowbytes);
-   png_debug1(3, "irowbytes = %lu",
-       PNG_ROWBYTES(png_ptr->pixel_depth, png_ptr->iwidth) + 1);
+   png_debug1(3, "irowbytes = %lu", png_ptr->irowbytes);
 
    png_ptr->flags |= PNG_FLAG_ROW_INIT;
 }

pngset.c

@@ -1,8 +1,8 @@
 
 /* pngset.c - storage of image information into info struct
  *
- * Last changed in libpng 1.4.1 [February 14, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -16,7 +16,6 @@
  * info struct and allows us to change the structure in the future.
  */
 
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
 #include "pngpriv.h"
@@ -389,7 +388,7 @@ png_set_sCAL_s(png_structp png_ptr, png_infop info_ptr,
    if (info_ptr->scal_s_width == NULL)
    {
       png_warning(png_ptr,
-         "Memory allocation failed while processing sCAL");
+       "Memory allocation failed while processing sCAL");
       return;
    }
    png_memcpy(info_ptr->scal_s_width, swidth, length);
@@ -403,7 +402,7 @@ png_set_sCAL_s(png_structp png_ptr, png_infop info_ptr,
       png_free (png_ptr, info_ptr->scal_s_width);
       info_ptr->scal_s_width = NULL;
       png_warning(png_ptr,
-         "Memory allocation failed while processing sCAL");
+       "Memory allocation failed while processing sCAL");
       return;
    }
    png_memcpy(info_ptr->scal_s_height, sheight, length);
@@ -452,7 +451,8 @@ png_set_PLTE(png_structp png_ptr, png_infop info_ptr,
       }
    }
 
-   /* It may not actually be necessary to set png_ptr->palette here;
+   /*
+    * It may not actually be necessary to set png_ptr->palette here;
     * we do it for backward compatibility with the way the png_handle_tRNS
     * function used to do the allocation.
     */
@@ -592,7 +592,7 @@ png_set_iCCP(png_structp png_ptr, png_infop info_ptr,
    new_iccp_name = (png_charp)png_malloc_warn(png_ptr, length);
    if (new_iccp_name == NULL)
    {
-        png_warning(png_ptr, "Insufficient memory to process iCCP chunk");
+      png_warning(png_ptr, "Insufficient memory to process iCCP chunk");
       return;
    }
    png_memcpy(new_iccp_name, name, length);
@@ -601,7 +601,7 @@ png_set_iCCP(png_structp png_ptr, png_infop info_ptr,
    {
       png_free (png_ptr, new_iccp_name);
       png_warning(png_ptr,
-          "Insufficient memory to process iCCP profile");
+      "Insufficient memory to process iCCP profile");
       return;
    }
    png_memcpy(new_iccp_profile, profile, (png_size_t)proflen);
@@ -612,8 +612,7 @@ png_set_iCCP(png_structp png_ptr, png_infop info_ptr,
    info_ptr->iccp_name = new_iccp_name;
    info_ptr->iccp_profile = new_iccp_profile;
    /* Compression is always zero but is here so the API and info structure
-    * does not have to change if we introduce multiple compression types
-    */
+    * does not have to change if we introduce multiple compression types */
    info_ptr->iccp_compression = (png_byte)compression_type;
    info_ptr->free_me |= PNG_FREE_ICCP;
    info_ptr->valid |= PNG_INFO_iCCP;
@@ -886,11 +885,11 @@ png_set_sPLT(png_structp png_ptr,
    if (np == NULL)
    {
       png_warning(png_ptr, "No memory for sPLT palettes");
-      return;
+     return;
    }
 
    png_memcpy(np, info_ptr->splt_palettes,
-       info_ptr->splt_palettes_num * png_sizeof(png_sPLT_t));
+          info_ptr->splt_palettes_num * png_sizeof(png_sPLT_t));
    png_free(png_ptr, info_ptr->splt_palettes);
    info_ptr->splt_palettes=NULL;
 
@@ -901,7 +900,7 @@ png_set_sPLT(png_structp png_ptr,
       png_uint_32 length;
 
       length = png_strlen(from->name) + 1;
-      to->name = (png_charp)png_malloc_warn(png_ptr, (png_size_t)length);
+        to->name = (png_charp)png_malloc_warn(png_ptr, (png_size_t)length);
       if (to->name == NULL)
       {
          png_warning(png_ptr,
@@ -910,7 +909,7 @@ png_set_sPLT(png_structp png_ptr,
       }
       png_memcpy(to->name, from->name, length);
       to->entries = (png_sPLT_entryp)png_malloc_warn(png_ptr,
-          (png_size_t)(from->nentries * png_sizeof(png_sPLT_entry)));
+            (png_size_t)(from->nentries * png_sizeof(png_sPLT_entry)));
       if (to->entries == NULL)
       {
          png_warning(png_ptr,
@@ -932,7 +931,7 @@ png_set_sPLT(png_structp png_ptr,
 }
 #endif /* PNG_sPLT_SUPPORTED */
 
-#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
+#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
 void PNGAPI
 png_set_unknown_chunks(png_structp png_ptr,
    png_infop info_ptr, png_unknown_chunkp unknowns, int num_unknowns)
@@ -949,22 +948,22 @@ png_set_unknown_chunks(png_structp png_ptr,
    if (np == NULL)
    {
       png_warning(png_ptr,
-          "Out of memory while processing unknown chunk");
+         "Out of memory while processing unknown chunk");
       return;
    }
 
    png_memcpy(np, info_ptr->unknown_chunks,
-       info_ptr->unknown_chunks_num * png_sizeof(png_unknown_chunk));
+          info_ptr->unknown_chunks_num * png_sizeof(png_unknown_chunk));
    png_free(png_ptr, info_ptr->unknown_chunks);
-   info_ptr->unknown_chunks = NULL;
 
    for (i = 0; i < num_unknowns; i++)
    {
       png_unknown_chunkp to = np + info_ptr->unknown_chunks_num + i;
       png_unknown_chunkp from = unknowns + i;
 
-      png_memcpy((png_charp)to->name, (png_charp)from->name,
-          png_sizeof(from->name));
+      png_memcpy((png_charp)to->name,
+                 (png_charp)from->name,
+                 png_sizeof(from->name));
       to->name[png_sizeof(to->name)-1] = '\0';
       to->size = from->size;
       /* Note our location in the read or write sequence */
@@ -996,7 +995,7 @@ png_set_unknown_chunk_location(png_structp png_ptr, png_infop info_ptr,
    int chunk, int location)
 {
    if (png_ptr != NULL && info_ptr != NULL && chunk >= 0 && chunk <
-       (int)info_ptr->unknown_chunks_num)
+         (int)info_ptr->unknown_chunks_num)
       info_ptr->unknown_chunks[chunk].location = (png_byte)location;
 }
 #endif
@@ -1016,7 +1015,7 @@ png_permit_mng_features (png_structp png_ptr, png_uint_32 mng_features)
 }
 #endif
 
-#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
+#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
 void PNGAPI
 png_set_keep_unknown_chunks(png_structp png_ptr, int keep, png_bytep
    chunk_list, int num_chunks)
@@ -1043,16 +1042,16 @@ png_set_keep_unknown_chunks(png_structp png_ptr, int keep, png_bytep
    old_num_chunks = png_ptr->num_chunk_list;
    new_list=(png_bytep)png_malloc(png_ptr,
       (png_size_t)
-       (5*(num_chunks + old_num_chunks)));
+      (5*(num_chunks + old_num_chunks)));
    if (png_ptr->chunk_list != NULL)
    {
       png_memcpy(new_list, png_ptr->chunk_list,
-          (png_size_t)(5*old_num_chunks));
+         (png_size_t)(5*old_num_chunks));
       png_free(png_ptr, png_ptr->chunk_list);
       png_ptr->chunk_list=NULL;
    }
    png_memcpy(new_list + 5*old_num_chunks, chunk_list,
-       (png_size_t)(5*num_chunks));
+      (png_size_t)(5*num_chunks));
    for (p = new_list + 5*old_num_chunks + 4, i = 0; i<num_chunks; i++, p += 5)
       *p=(png_byte)keep;
    png_ptr->num_chunk_list = old_num_chunks + num_chunks;
@@ -1093,6 +1092,7 @@ png_set_rows(png_structp png_ptr, png_infop info_ptr, png_bytepp row_pointers)
 }
 #endif
 
+#ifdef PNG_WRITE_SUPPORTED
 void PNGAPI
 png_set_compression_buffer_size(png_structp png_ptr,
     png_size_t size)
@@ -1105,6 +1105,7 @@ png_set_compression_buffer_size(png_structp png_ptr,
     png_ptr->zstream.next_out = png_ptr->zbuf;
     png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
 }
+#endif
 
 void PNGAPI
 png_set_invalid(png_structp png_ptr, png_infop info_ptr, int mask)
@@ -1130,24 +1131,18 @@ png_set_user_limits (png_structp png_ptr, png_uint_32 user_width_max,
    png_ptr->user_width_max = user_width_max;
    png_ptr->user_height_max = user_height_max;
 }
-
 /* This function was added to libpng 1.4.0 */
 void PNGAPI
 png_set_chunk_cache_max (png_structp png_ptr,
    png_uint_32 user_chunk_cache_max)
 {
-    if (png_ptr)
-       png_ptr->user_chunk_cache_max = user_chunk_cache_max;
-}
-
-/* This function was added to libpng 1.4.1 */
-void PNGAPI
-png_set_chunk_malloc_max (png_structp png_ptr,
-   png_alloc_size_t user_chunk_malloc_max)
-{
-    if (png_ptr)
-       png_ptr->user_chunk_malloc_max =
-          (png_size_t)user_chunk_malloc_max;
+    if (png_ptr == NULL)
+      return;
+    png_ptr->user_chunk_cache_max = user_chunk_cache_max;
+    if (user_chunk_cache_max == 0x7fffffffL)  /* Unlimited */
+       png_ptr->user_chunk_cache_max = 0;
+    else
+       png_ptr->user_chunk_cache_max = user_chunk_cache_max + 1;
 }
 #endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */
 

pngtest.c

@@ -1,8 +1,8 @@
 
 /* pngtest.c - a simple test program to test libpng
  *
- * Last changed in libpng 1.4.1 [February 14, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -267,17 +267,12 @@ static int wrote_question = 0;
 static void
 pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
 {
-   png_size_t check = 0;
-   png_voidp io_ptr;
+   png_size_t check;
 
    /* fread() returns 0 on error, so it is OK to store this in a png_size_t
     * instead of an int, which is what fread() actually returns.
     */
-   io_ptr = png_get_io_ptr(png_ptr);
-   if (io_ptr != NULL)
-   {
-      check = fread(data, 1, length, (png_FILE_p)io_ptr);
-   }
+   check = fread(data, 1, length, (png_FILE_p)png_ptr->io_ptr);
 
    if (check != length)
    {
@@ -417,12 +412,9 @@ static void
 pngtest_warning(png_structp png_ptr, png_const_charp message)
 {
    PNG_CONST char *name = "UNKNOWN (ERROR!)";
-   char *test;
-   test = png_get_error_ptr(png_ptr);
-   if (test == NULL)
-     fprintf(STDERR, "%s: libpng warning: %s\n", name, message);
-   else
-     fprintf(STDERR, "%s: libpng warning: %s\n", test, message);
+   if (png_ptr != NULL && png_ptr->error_ptr != NULL)
+      name = png_ptr->error_ptr;
+   fprintf(STDERR, "%s: libpng warning: %s\n", name, message);
 }
 
 /* This is the default error handling function.  Note that replacements for
@@ -859,8 +851,8 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
    {
       png_fixed_point white_x, white_y, red_x, red_y, green_x, green_y, blue_x,
          blue_y;
-      if (png_get_cHRM_fixed(read_ptr, read_info_ptr, &white_x, &white_y,
-         &red_x, &red_y, &green_x, &green_y, &blue_x, &blue_y))
+      if (png_get_cHRM_fixed(read_ptr, read_info_ptr, &white_x, &white_y, &red_x,
+         &red_y, &green_x, &green_y, &blue_x, &blue_y))
       {
          png_set_cHRM_fixed(write_ptr, write_info_ptr, white_x, white_y, red_x,
             red_y, green_x, green_y, blue_x, blue_y);
@@ -1012,8 +1004,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
       if (png_get_sCAL_s(read_ptr, read_info_ptr, &unit, &scal_width,
           &scal_height))
       {
-         png_set_sCAL_s(write_ptr, write_info_ptr, unit, scal_width,
-             scal_height);
+         png_set_sCAL_s(write_ptr, write_info_ptr, unit, scal_width, scal_height);
       }
    }
 #endif
@@ -1466,14 +1457,14 @@ main(int argc, char *argv[])
 #endif
       for (i=2; i<argc; ++i)
       {
+#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
+         int k;
+#endif
          int kerror;
          fprintf(STDERR, "\n Testing %s:", argv[i]);
          kerror = test_one_file(argv[i], outname);
          if (kerror == 0)
          {
-#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
-            int k;
-#endif
 #ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED
             fprintf(STDERR, "\n PASS (%lu zero samples)\n",
                (unsigned long)zero_samples);
@@ -1559,7 +1550,8 @@ main(int argc, char *argv[])
                 for (k = 0; k<256; k++)
                    if (filters_used[k])
                       fprintf(STDERR, " Filter %d was used %lu times\n",
-                         k, (unsigned long)filters_used[k]);
+                         k,
+                         (unsigned long)filters_used[k]);
 #endif
 #ifdef PNG_TIME_RFC1123_SUPPORTED
              if (tIME_chunk_present != 0)
@@ -1627,4 +1619,4 @@ main(int argc, char *argv[])
 }
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_4_1beta12 your_png_h_is_not_version_1_4_1beta12;
+typedef version_1_4_1alpha01 your_png_h_is_not_version_1_4_1alpha01;

pngtrans.c

@@ -1,8 +1,8 @@
 
 /* pngtrans.c - transforms the data in a row (used by both readers and writers)
  *
- * Last changed in libpng 1.4.0 [January 3, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -11,7 +11,6 @@
  * and license in png.h
  */
 
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
 #include "pngpriv.h"

pngwio.c

@@ -1,8 +1,8 @@
 
 /* pngwio.c - functions for data output
  *
- * Last changed in libpng 1.4.0 [January 3, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -18,7 +18,6 @@
  * them at run time with png_set_write_fn(...).
  */
 
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #ifdef PNG_WRITE_SUPPORTED
 #include "pngpriv.h"

pngwrite.c

@@ -1,8 +1,8 @@
 
 /* pngwrite.c - general routines to write a PNG file
  *
- * Last changed in libpng 1.4.0 [January 3, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -12,7 +12,6 @@
  */
 
 /* Get internal access to png.h */
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #ifdef PNG_WRITE_SUPPORTED
 #include "pngpriv.h"
@@ -38,8 +37,7 @@ png_write_info_before_PLTE(png_structp png_ptr, png_infop info_ptr)
    /* Write PNG signature */
    png_write_sig(png_ptr);
 #ifdef PNG_MNG_FEATURES_SUPPORTED
-   if ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) && \
-      (png_ptr->mng_features_permitted))
+   if ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE)&&(png_ptr->mng_features_permitted))
    {
       png_warning(png_ptr, "MNG features are not allowed in a PNG datastream");
       png_ptr->mng_features_permitted = 0;
@@ -469,7 +467,7 @@ png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
    png_malloc_ptr malloc_fn, png_free_ptr free_fn)
 {
 #endif /* PNG_USER_MEM_SUPPORTED */
-   volatile int png_cleanup_needed = 0;
+   int png_cleanup_needed = 0;
 #ifdef PNG_SETJMP_SUPPORTED
    volatile
 #endif
@@ -681,11 +679,9 @@ png_write_row(png_structp png_ptr, png_bytep row)
       if (png_ptr->transformations & PNG_FILLER)
          png_warning(png_ptr, "PNG_WRITE_FILLER_SUPPORTED is not defined");
 #endif
-#if !defined(PNG_WRITE_PACKSWAP_SUPPORTED) && \
-    defined(PNG_READ_PACKSWAP_SUPPORTED)
+#if !defined(PNG_WRITE_PACKSWAP_SUPPORTED) && defined(PNG_READ_PACKSWAP_SUPPORTED)
       if (png_ptr->transformations & PNG_PACKSWAP)
-         png_warning(png_ptr,
-             "PNG_WRITE_PACKSWAP_SUPPORTED is not defined");
+         png_warning(png_ptr, "PNG_WRITE_PACKSWAP_SUPPORTED is not defined");
 #endif
 #if !defined(PNG_WRITE_PACK_SUPPORTED) && defined(PNG_READ_PACK_SUPPORTED)
       if (png_ptr->transformations & PNG_PACK)
@@ -939,7 +935,7 @@ png_destroy_write_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr)
       {
         png_free_data(png_ptr, info_ptr, PNG_FREE_ALL, -1);
 
-#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
+#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
         if (png_ptr->num_chunk_list)
         {
            png_free(png_ptr, png_ptr->chunk_list);

pngwtran.c

@@ -1,8 +1,8 @@
 
 /* pngwtran.c - transforms the data in a row for PNG writers
  *
- * Last changed in libpng 1.4.1 [February 14, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -11,7 +11,6 @@
  * and license in png.h
  */
 
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #ifdef PNG_WRITE_SUPPORTED
 #include "pngpriv.h"
@@ -30,8 +29,7 @@ png_do_write_transformations(png_structp png_ptr)
 #ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED
    if (png_ptr->transformations & PNG_USER_TRANSFORM)
       if (png_ptr->write_user_transform_fn != NULL)
-        (*(png_ptr->write_user_transform_fn)) /* User write transform
-                                                 function */
+        (*(png_ptr->write_user_transform_fn)) /* User write transform function */
           (png_ptr,                    /* png_ptr */
            &(png_ptr->row_info),       /* row_info:     */
              /*  png_uint_32 width;          width of row */

pngwutil.c

@@ -1,8 +1,8 @@
 
 /* pngwutil.c - utilities to write a PNG file
  *
- * Last changed in libpng 1.4.1 [February 14, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.4.0 [November 27, 2009]
+ * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
@@ -11,7 +11,6 @@
  * and license in png.h
  */
 
-#define PNG_NO_PEDANTIC_WARNINGS
 #include "png.h"
 #ifdef PNG_WRITE_SUPPORTED
 #include "pngpriv.h"
@@ -436,8 +435,7 @@ png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height,
             case 4:
             case 8:
             case 16: png_ptr->channels = 1; break;
-            default: png_error(png_ptr,
-                         "Invalid bit depth for grayscale image");
+            default: png_error(png_ptr, "Invalid bit depth for grayscale image");
          }
          break;
       case PNG_COLOR_TYPE_RGB:
@@ -640,9 +638,7 @@ png_write_PLTE(png_structp png_ptr, png_colorp palette, png_uint_32 num_pal)
       png_write_chunk_data(png_ptr, buf, (png_size_t)3);
    }
 #else
-   /* This is a little slower but some buggy compilers need to do this
-    * instead
-    */
+   /* This is a little slower but some buggy compilers need to do this instead */
    pal_ptr=palette;
    for (i = 0; i < num_pal; i++)
    {

projects/cbuilder5/README.txt

@@ -0,0 +1,11 @@
+The cbuilder5 project has not been updated to libpng-1.4.0.
+
+It needs to depend on pngpriv.h
+
+It needs to *not* depend on pnggccrd.c or pngvcrd.c
+
+It needs to DEFINE PNG_CONFIGURE_LIBPNG while building
+the library, but not while building an application.
+
+If an updated version is not received, this project will
+be removed when libpng-1.4.0 is released.

projects/cbuilder5/libpng.bpf

@@ -0,0 +1,22 @@
+USEUNIT("libpng.cpp");
+USEUNIT("..\..\png.c");
+USEUNIT("..\..\pngerror.c");
+USEUNIT("..\..\pngget.c");
+USEUNIT("..\..\pngmem.c");
+USEUNIT("..\..\pngpread.c");
+USEUNIT("..\..\pngread.c");
+USEUNIT("..\..\pngrio.c");
+USEUNIT("..\..\pngrtran.c");
+USEUNIT("..\..\pngrutil.c");
+USEUNIT("..\..\pngset.c");
+USEUNIT("..\..\pngtrans.c");
+USEUNIT("..\..\pngwio.c");
+USEUNIT("..\..\pngwrite.c");
+USEUNIT("..\..\pngwtran.c");
+USEUNIT("..\..\pngwutil.c");
+USELIB("..\..\..\zlib\zlib.lib");
+//---------------------------------------------------------------------------
+This file is used by the project manager only and should be treated like the project file
+
+
+DllEntryPoint

projects/cbuilder5/libpng.bpg

@@ -0,0 +1,25 @@
+#------------------------------------------------------------------------------
+VERSION = BWS.01
+#------------------------------------------------------------------------------
+!ifndef ROOT
+ROOT = $(MAKEDIR)\..
+!endif
+#------------------------------------------------------------------------------
+MAKE = $(ROOT)\bin\make.exe -$(MAKEFLAGS) -f$**
+DCC = $(ROOT)\bin\dcc32.exe $**
+BRCC = $(ROOT)\bin\brcc32.exe $**
+#------------------------------------------------------------------------------
+PROJECTS = libpngstat.lib libpng.dll
+#------------------------------------------------------------------------------
+default: $(PROJECTS)
+#------------------------------------------------------------------------------
+
+libpngstat.lib: libpngstat.bpr
+  $(ROOT)\bin\bpr2mak -t$(ROOT)\bin\deflib.bmk $**
+  $(ROOT)\bin\make -$(MAKEFLAGS) -f$*.mak
+
+libpng.dll: libpng.bpr
+  $(ROOT)\bin\bpr2mak $**
+  $(ROOT)\bin\make -$(MAKEFLAGS) -f$*.mak
+
+

projects/cbuilder5/libpng.bpr

@@ -0,0 +1,157 @@
+<?xml version='1.0' encoding='utf-8' ?>
+<!-- C++Builder XML Project -->
+<PROJECT>
+  <MACROS>
+    <VERSION value="BCB.05.03"/>
+    <PROJECT value="libpng.dll"/>
+    <OBJFILES value="libpng.obj ..\..\pngwutil.obj ..\..\pngerror.obj ..\..\pngget.obj 
+      ..\..\pngmem.obj ..\..\pngpread.obj ..\..\pngread.obj ..\..\pngrio.obj 
+      ..\..\pngrtran.obj ..\..\pngrutil.obj ..\..\pngset.obj ..\..\pngtrans.obj 
+      ..\..\pngwio.obj ..\..\pngwrite.obj ..\..\pngwtran.obj ..\..\png.obj"/>
+    <RESFILES value=""/>
+    <DEFFILE value=""/>
+    <RESDEPEN value="$(RESFILES)"/>
+    <LIBFILES value="..\..\..\zlib\zlib.lib"/>
+    <LIBRARIES value="bcbsmp50.lib dclocx50.lib NMFast50.lib Tee50.lib Vclx50.lib Vcl50.lib"/>
+    <SPARELIBS value="Vcl50.lib Vclx50.lib Tee50.lib NMFast50.lib dclocx50.lib bcbsmp50.lib"/>
+    <PACKAGES value="Vcl50.bpi Vclx50.bpi bcbsmp50.bpi Qrpt50.bpi Vcldb50.bpi Vclbde50.bpi 
+      ibsmp50.bpi vcldbx50.bpi TeeUI50.bpi TeeDB50.bpi Tee50.bpi TeeQR50.bpi 
+      VCLIB50.bpi bcbie50.bpi vclie50.bpi Inetdb50.bpi Inet50.bpi NMFast50.bpi 
+      dclocx50.bpi bcb97axserver50.bpi SIMULUSCOMPONENTS.bpi Simulus2.bpi"/>
+    <PATHCPP value=".;..\.."/>
+    <PATHPAS value=".;"/>
+    <PATHRC value=".;"/>
+    <PATHASM value=".;"/>
+    <DEBUGLIBPATH value="$(BCB)\lib\debug"/>
+    <RELEASELIBPATH value="$(BCB)\lib\release"/>
+    <LINKER value="tlink32"/>
+    <USERDEFINES value="PNG_BUILD_DLL;PNG_NO_MODULEDEF"/>
+    <SYSDEFINES value="NO_STRICT;_NO_VCL;_RTLDLL"/>
+    <MAINSOURCE value="libpng.bpf"/>
+    <INCLUDEPATH value="..\..;..\..\..\zlib;$(BCB)\include"/>
+    <LIBPATH value="..\..;$(BCB)\lib\obj;$(BCB)\lib"/>
+    <WARNINGS value="-w8092 -w8091 -w8090 -w8089 -w8087 -wprc -wucp -wstv -wstu -wsig -wpin 
+      -wnod -wnak -wdef -wcln -wbbf -wasm -wamp -wamb"/>
+  </MACROS>
+  <OPTIONS>
+    <CFLAG1 value="-WD -O2 -w -Vx -Ve -x- -RT- -X- -a8 -5 -b- -d -k- -vi -tWD -tWM -c"/>
+    <PFLAGS value="-$Y- -$L- -$D- -$C- -v -JPHNE -M"/>
+    <RFLAGS value=""/>
+    <AFLAGS value="/mx /w2 /zn"/>
+    <LFLAGS value="-D&quot;&quot; -aa -Tpd -x -Gn -Gi -w"/>
+  </OPTIONS>
+  <LINKER>
+    <ALLOBJ value="c0d32.obj $(OBJFILES)"/>
+    <ALLRES value="$(RESFILES)"/>
+    <ALLLIB value="$(LIBFILES) $(LIBRARIES) import32.lib cw32mti.lib"/>
+  </LINKER>
+  <IDEOPTIONS>
+[Version Info]
+IncludeVerInfo=0
+AutoIncBuild=0
+MajorVer=1
+MinorVer=0
+Release=0
+Build=0
+Debug=0
+PreRelease=0
+Special=0
+Private=0
+DLL=1
+Locale=2057
+CodePage=1252
+
+[Version Info Keys]
+CompanyName=
+FileDescription=
+FileVersion=1.0.0.0
+InternalName=
+LegalCopyright=
+LegalTrademarks=
+OriginalFilename=
+ProductName=
+ProductVersion=
+Comments=
+
+[HistoryLists\hlIncludePath]
+Count=18
+Item0=..\..;..\..\..\zlib;$(BCB)\include
+Item1=..\..;P:\My Documents\Source\PNG+ZLib\zlib;$(BCB)\include
+Item2=..\..;..\Source\ThirdParty\PortableNetworkGraphics\external;..\Source\ThirdParty\PortableNetworkGraphics;..\Source\ThirdParty\ZLibCompression\external;$(BCB)\include
+Item3=..\Source\ThirdParty\PortableNetworkGraphics\external;..\Source\ThirdParty\PortableNetworkGraphics;..\Source\ThirdParty\ZLibCompression\external;$(BCB)\include
+Item4=..\Source\ThirdParty\PortableNetworkGraphics\external;..\Source\ThirdParty\PortableNetworkGraphics;..\Source\ThirdParty\ZLibCompression;$(BCB)\include
+Item5=..\Source\ThirdParty\PortableNetworkGraphics;..\Source\ThirdParty\ZLibCompression;$(BCB)\include
+Item6=..\Source\ThirdParty\PortableNetworkGraphics;P:\Development\Source\ThirdParty\ZLibCompression;$(BCB)\include
+Item7=..\Source\ThirdParty\PortableNetworkGraphics;$(BCB)\include
+Item8=$(BCB)\include
+Item9=..\Source;..\Source\General\Templates;..\Source\SIMUtilities;$(BCB)\include;$(BCB)\include\vcl
+Item10=P:\Development\Source\;P:\Development\Source\General\Templates\;P:\Development\Source\SIMUtilities\;$(BCB)\include;$(BCB)\include\vcl
+Item11=P:\Development\Source;P:\Development\Source\General\Templates\;P:\Development\Source\SIMUtilities\;$(BCB)\include;$(BCB)\include\vcl
+Item12=P:\Development\Source\General\Templates\;P:\Development\Source\SIMUtilities\;$(BCB)\include;$(BCB)\include\vcl
+Item13=P:\Development\Source\General\Templates\;P:\Development\Source\SIMUtilities;$(BCB)\include;$(BCB)\include\vcl
+Item14=P:\Development\Source\General\Templates\;$(BCB)\include;$(BCB)\include\vcl
+Item15=P:\Development\Source\General\Templates;$(BCB)\include;$(BCB)\include\vcl
+Item16=P:\Development\Source;$(BCB)\include;$(BCB)\include\vcl
+Item17=$(BCB)\include;$(BCB)\include\vcl
+
+[HistoryLists\hlLibraryPath]
+Count=10
+Item0=..\..;$(BCB)\lib\obj;$(BCB)\lib
+Item1=..\..;..\Source\ThirdParty\PortableNetworkGraphics\external;..\Source\ThirdParty\PortableNetworkGraphics;$(BCB)\lib\obj;$(BCB)\lib
+Item2=..\Source\ThirdParty\PortableNetworkGraphics\external;..\Source\ThirdParty\PortableNetworkGraphics;$(BCB)\lib\obj;$(BCB)\lib
+Item3=..\Source\ThirdParty\PortableNetworkGraphics;$(BCB)\lib\obj;$(BCB)\lib
+Item4=$(BCB)\lib\obj;$(BCB)\lib
+Item5=..\Source\SIMUtilities;..\Source;$(BCB)\lib\obj;$(BCB)\lib
+Item6=P:\Development\Source\SIMUtilities\;P:\Development\Source\;$(BCB)\lib\obj;$(BCB)\lib
+Item7=P:\Development\Source\SIMUtilities;P:\Development\Source\;$(BCB)\lib\obj;$(BCB)\lib
+Item8=P:\Development\Source\;$(BCB)\lib\obj;$(BCB)\lib
+Item9=P:\Development\Source;$(BCB)\lib\obj;$(BCB)\lib
+
+[HistoryLists\hlDebugSourcePath]
+Count=1
+Item0=$(BCB)\source\vcl
+
+[HistoryLists\hlConditionals]
+Count=20
+Item0=ZLIB_DLL;Z_PREFIX;PNG_BUILD_DLL;PNG_NO_MODULEDEF
+Item1=_DEBUG;ZLIB_DLL;Z_PREFIX;PNG_BUILD_DLL;PNG_NO_MODULEDEF
+Item2=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG;PNG_NO_MODULEDEF
+Item3=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG;PNG_DEBUG=5;PNG_NO_MODULEDEF;PNG_NO_GLOBAL_ARRAYS
+Item4=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG;PNG_DEBUG=5;PNG_NO_MODULEDEF;PNG_SETJMP_NOT_SUPPORTED;PNG_DEBUG_FILE=stderr
+Item5=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG;PNG_DEBUG;PNG_NO_MODULEDEF;PNG_SETJMP_NOT_SUPPORTED
+Item6=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG;PNG_DEBUG=5;PNG_NO_MODULEDEF;PNG_SETJMP_NOT_SUPPORTED
+Item7=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG;PNG_DEBUG=5;PNG_NO_MODULEDEF
+Item8=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG;PNG_DEBUG=5
+Item9=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG
+Item10=PNG_BUILD_DLL;ZLIB_DLL
+Item11=PNG_BUILD_DLL
+Item12=PNG_DLL;PNG_BUILD_DLL;ZLIB_DLL
+Item13=PNG_DLL;PNG_BUILD_DLL;PNG_NO_GLOBAL_ARRAYS;ZLIB_DLL
+Item14=PNG_DLL;PNG_BUILD_DLL;PNG_NO_GLOBAL_ARRAYS
+Item15=PNG_DLL;PNG_BUILD_DLL
+Item16=PNG_DLL;PNG_BUILD_DLL;PNG_MODULEDEF
+Item17=_HTML_FORM
+Item18=_DEBUG;_HTML_FORM
+Item19=_DEBUG
+
+[HistoryLists\hlIntOutputDir]
+Count=2
+Item0=..\Obj
+Item1=P:\Development\Obj
+
+[Debugging]
+DebugSourceDirs=
+
+[Parameters]
+RunParams=
+HostApplication=P:\Development\Executables\LibPNGTestApp.exe
+RemoteHost=
+RemotePath=
+RemoteDebug=0
+
+[Compiler]
+ShowInfoMsgs=0
+LinkDebugVcl=0
+LinkCGLIB=0
+  </IDEOPTIONS>
+</PROJECT>

projects/cbuilder5/libpng.cpp

@@ -0,0 +1,29 @@
+//---------------------------------------------------------------------------
+#include <windows.h>
+//---------------------------------------------------------------------------
+//   Important note about DLL memory management when your DLL uses the
+//   static version of the RunTime Library:
+//
+//   If your DLL exports any functions that pass String objects (or structs/
+//   classes containing nested Strings) as parameter or function results,
+//   you will need to add the library MEMMGR.LIB to both the DLL project and
+//   any other projects that use the DLL.  You will also need to use MEMMGR.LIB
+//   if any other projects which use the DLL will be performing new or delete
+//   operations on any non-TObject-derived classes which are exported from the
+//   DLL. Adding MEMMGR.LIB to your project will change the DLL and its calling
+//   EXE's to use the BORLNDMM.DLL as their memory manager.  In these cases,
+//   the file BORLNDMM.DLL should be deployed along with your DLL.
+//
+//   To avoid using BORLNDMM.DLL, pass string information using "char *" or
+//   ShortString parameters.
+//
+//   If your DLL uses the dynamic version of the RTL, you do not need to
+//   explicitly add MEMMGR.LIB as this will be done implicitly for you
+//---------------------------------------------------------------------------
+
+int WINAPI DllEntryPoint(HINSTANCE, unsigned long, void*)
+{
+    return 1;
+}
+//---------------------------------------------------------------------------
+ 

projects/cbuilder5/libpng.readme.txt

@@ -0,0 +1,25 @@
+Project files to build libpng using Borland C++ Builder v5.0
+
+In order to build and use libpng, please follow these steps:
+
+ 1). Install zlib in a directory at the same level with libpng.
+
+ 2). In a console window, go to the zlib directory and type:
+       make -f win32\Makefile.bor
+     After performing this step, you should have a file named
+     zlib.lib in the zlib directory.
+
+ 3). Add the following conditional define to your project:
+       PNG_USE_DLL
+
+ 4). Add libpng.lib or libpngstat.lib to the project.
+     Build the project.
+
+ 5). If the build fails, add the paths to png.h and zlib.h to
+     your include path, and restart the build.
+
+By default, the libpng project uses zlib as a static library.  If
+you wish to use zlib as a DLL, please read the important notes from
+the zlib DLL FAQ, found inside the zlib distribution.
+
+See the libpng documentation for instructions on how to use the code.

projects/cbuilder5/libpngstat.bpf

@@ -0,0 +1,22 @@
+USEUNIT("..\..\png.c");
+USEUNIT("..\..\pngerror.c");
+USEUNIT("..\..\pngget.c");
+USEUNIT("..\..\pngmem.c");
+USEUNIT("..\..\pngpread.c");
+USEUNIT("..\..\pngread.c");
+USEUNIT("..\..\pngrio.c");
+USEUNIT("..\..\pngrtran.c");
+USEUNIT("..\..\pngrutil.c");
+USEUNIT("..\..\pngset.c");
+USEUNIT("..\..\pngtrans.c");
+USEUNIT("..\..\pngwio.c");
+USEUNIT("..\..\pngwrite.c");
+USEUNIT("..\..\pngwtran.c");
+USEUNIT("..\..\pngwutil.c");
+USELIB("..\..\..\zlib\zlib.lib");
+//---------------------------------------------------------------------------
+#define Library
+
+// To add a file to the library use the Project menu 'Add to Project'.
+
+ 

projects/cbuilder5/libpngstat.bpr

@@ -0,0 +1,109 @@
+<?xml version='1.0' encoding='utf-8' ?>
+<!-- C++Builder XML Project -->
+<PROJECT>
+  <MACROS>
+    <VERSION value="BCB.05.03"/>
+    <PROJECT value="libpngstat.lib"/>
+    <OBJFILES value="..\..\pngerror.obj ..\..\png.obj ..\..\pngwutil.obj ..\..\pngmem.obj 
+      ..\..\pngpread.obj ..\..\pngread.obj ..\..\pngrio.obj ..\..\pngrtran.obj 
+      ..\..\pngrutil.obj ..\..\pngset.obj ..\..\pngtrans.obj ..\..\pngwio.obj 
+      ..\..\pngwrite.obj ..\..\pngwtran.obj ..\..\pngget.obj"/>
+    <RESFILES value=""/>
+    <DEFFILE value=""/>
+    <RESDEPEN value="$(RESFILES)"/>
+    <LIBFILES value="..\..\..\zlib\zlib.lib"/>
+    <LIBRARIES value=""/>
+    <PACKAGES value=""/>
+    <PATHCPP value=".;..\.."/>
+    <PATHPAS value=".;"/>
+    <PATHRC value=".;"/>
+    <PATHASM value=".;"/>
+    <LINKER value="TLib"/>
+    <USERDEFINES value=""/>
+    <SYSDEFINES value="_RTLDLL;NO_STRICT"/>
+    <MAINSOURCE value="libpngstat.bpf"/>
+    <INCLUDEPATH value="..\..;..\..\..\zlib;$(BCB)\include"/>
+    <LIBPATH value="..\..;$(BCB)\lib\obj;$(BCB)\lib"/>
+    <WARNINGS value="-w-par"/>
+    <LISTFILE value=""/>
+  </MACROS>
+  <OPTIONS>
+    <CFLAG1 value="-O2 -w -Vx -Ve -X- -a8 -5 -b- -d -k- -vi -c -tW -tWM"/>
+    <PFLAGS value="-$Y- -$L- -$D- -$C- -v -JPHNE -M"/>
+    <AFLAGS value="/mx /w2 /zn"/>
+    <LFLAGS value=""/>
+  </OPTIONS>
+  <LINKER>
+    <ALLOBJ value="$(OBJFILES)"/>
+    <ALLLIB value=""/>
+  </LINKER>
+  <IDEOPTIONS>
+[Version Info]
+IncludeVerInfo=0
+AutoIncBuild=0
+MajorVer=1
+MinorVer=0
+Release=0
+Build=0
+Debug=0
+PreRelease=0
+Special=0
+Private=0
+DLL=0
+Locale=2057
+CodePage=1252
+
+[Version Info Keys]
+CompanyName=
+FileDescription=
+FileVersion=1.0.0.0
+InternalName=
+LegalCopyright=
+LegalTrademarks=
+OriginalFilename=
+ProductName=
+ProductVersion=1.0.0.0
+Comments=
+
+[HistoryLists\hlIncludePath]
+Count=2
+Item0=..\..;P:\My Documents\Source\PNG+ZLib\zlib;$(BCB)\include
+Item1=..\..;$(BCB)\include;$(BCB)\include\vcl
+
+[HistoryLists\hlLibraryPath]
+Count=1
+Item0=..\..;$(BCB)\lib\obj;$(BCB)\lib
+
+[HistoryLists\hlDebugSourcePath]
+Count=1
+Item0=$(BCB)\source\vcl
+
+[HistoryLists\hlConditionals]
+Count=1
+Item0=_DEBUG
+
+[HistoryLists\hlTlibPageSize]
+Count=1
+Item0=0x0010
+
+[Debugging]
+DebugSourceDirs=$(BCB)\source\vcl
+
+[Parameters]
+RunParams=
+HostApplication=
+RemoteHost=
+RemotePath=
+RemoteDebug=0
+
+[Compiler]
+ShowInfoMsgs=0
+LinkDebugVcl=0
+LinkCGLIB=0
+
+[Language]
+ActiveLang=
+ProjectLang=
+RootDir=
+  </IDEOPTIONS>
+</PROJECT>

projects/cbuilder5/zlib.readme.txt

@@ -0,0 +1,14 @@
+The project that builds libpng under Borland C++ Builder does not
+explicitly build zlib.  By taking this decision, there is no need
+to update the libpng project each time when there is a change in
+the list of zlib source files.  After all, this list is private to
+zlib, and applications (such as libpng) should not assume anything
+about it.
+
+If you wish to contribute a project that builds zlib under Borland
+C++ Builder, please submit it to the zlib developers, not to the
+libpng developers.
+
+By default, the libpng project uses zlib as a static library.  If
+you wish to use zlib as a DLL, please read the important notes from
+the zlib DLL FAQ, found inside the zlib distribution.

projects/visualc6/libpng.dsp

@@ -8,22 +8,22 @@
 CFG=libpng - Win32 DLL Release
 !MESSAGE This is not a valid makefile. To build this project using NMAKE,
 !MESSAGE use the Export Makefile command and run
-!MESSAGE
+!MESSAGE 
 !MESSAGE NMAKE /f "libpng.mak".
-!MESSAGE
+!MESSAGE 
 !MESSAGE You can specify a configuration when running NMAKE
 !MESSAGE by defining the macro CFG on the command line. For example:
-!MESSAGE
+!MESSAGE 
 !MESSAGE NMAKE /f "libpng.mak" CFG="libpng - Win32 DLL Release"
-!MESSAGE
+!MESSAGE 
 !MESSAGE Possible choices for configuration are:
-!MESSAGE
+!MESSAGE 
 !MESSAGE "libpng - Win32 DLL Release" (based on "Win32 (x86) Dynamic-Link Library")
 !MESSAGE "libpng - Win32 DLL Debug" (based on "Win32 (x86) Dynamic-Link Library")
 !MESSAGE "libpng - Win32 DLL VB" (based on "Win32 (x86) Dynamic-Link Library")
 !MESSAGE "libpng - Win32 LIB Release" (based on "Win32 (x86) Static Library")
 !MESSAGE "libpng - Win32 LIB Debug" (based on "Win32 (x86) Static Library")
-!MESSAGE
+!MESSAGE 
 
 # Begin Project
 # PROP AllowPerConfigDependencies 0
@@ -52,8 +52,8 @@ MTL=midl.exe
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
 RSC=rc.exe
-# ADD BASE RSC /l 0x409 /d "PNG_NO_PEDANTIC_WARNINGS" /d "NDEBUG"
-# ADD RSC /l 0x409 /i "..\.." /d "PNG_NO_PEDANTIC_WARNINGS" /d "NDEBUG"
+# ADD BASE RSC /l 0x409 /d "PNG_CONFIGURE_LIBPNG" /d "NDEBUG"
+# ADD RSC /l 0x409 /i "..\.." /d "PNG_CONFIGURE_LIBPNG" /d "NDEBUG"
 BSC32=bscmake.exe
 # ADD BASE BSC32 /nologo
 # ADD BSC32 /nologo
@@ -83,8 +83,8 @@ MTL=midl.exe
 # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
 RSC=rc.exe
-# ADD BASE RSC /l 0x409 /d "PNG_NO_PEDANTIC_WARNINGS" /d "_DEBUG"
-# ADD RSC /l 0x409 /i "..\.." /d "PNG_NO_PEDANTIC_WARNINGS" /d "_DEBUG" /d PNG_DEBUG=1
+# ADD BASE RSC /l 0x409 /d "PNG_CONFIGURE_LIBPNG" /d "_DEBUG"
+# ADD RSC /l 0x409 /i "..\.." /d "PNG_CONFIGURE_LIBPNG" /d "_DEBUG" /d PNG_DEBUG=1
 BSC32=bscmake.exe
 # ADD BASE BSC32 /nologo
 # ADD BSC32 /nologo
@@ -114,8 +114,8 @@ MTL=midl.exe
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
 RSC=rc.exe
-# ADD BASE RSC /l 0x409 /d "PNG_NO_PEDANTIC_WARNINGS" /d "NDEBUG"
-# ADD RSC /l 0x409 /i "..\.." /d "PNG_NO_PEDANTIC_WARNINGS" /d "NDEBUG" /dPNG_LIBPNG_DLLFNAME_POSTFIX=""""VB"""" /dPNG_LIBPNG_SPECIALBUILD=""""__stdcall calling convention used for exported functions""""
+# ADD BASE RSC /l 0x409 /d "PNG_CONFIGURE_LIBPNG" /d "NDEBUG"
+# ADD RSC /l 0x409 /i "..\.." /d "PNG_CONFIGURE_LIBPNG" /d "NDEBUG" /dPNG_LIBPNG_DLLFNAME_POSTFIX=""""VB"""" /dPNG_LIBPNG_SPECIALBUILD=""""__stdcall calling convention used for exported functions""""
 BSC32=bscmake.exe
 # ADD BASE BSC32 /nologo
 # ADD BSC32 /nologo
@@ -147,8 +147,8 @@ CPP=cl.exe
 # ADD CPP /nologo /MD /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /FD /c
 # SUBTRACT CPP /YX /Yc /Yu
 RSC=rc.exe
-# ADD BASE RSC /l 0x409 /d "PNG_NO_PEDANTIC_WARNINGS" /d "NDEBUG"
-# ADD RSC /l 0x409 /i "..\.." /d "PNG_NO_PEDANTIC_WARNINGS" /d "NDEBUG"
+# ADD BASE RSC /l 0x409 /d "PNG_CONFIGURE_LIBPNG" /d "NDEBUG"
+# ADD RSC /l 0x409 /i "..\.." /d "PNG_CONFIGURE_LIBPNG" /d "NDEBUG"
 BSC32=bscmake.exe
 # ADD BASE BSC32 /nologo
 # ADD BSC32 /nologo
@@ -174,8 +174,8 @@ CPP=cl.exe
 # ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "DEBUG" /D PNG_DEBUG=1 /FD /GZ /c
 # SUBTRACT CPP /YX /Yc /Yu
 RSC=rc.exe
-# ADD BASE RSC /l 0x409 /d "PNG_NO_PEDANTIC_WARNINGS" /d "_DEBUG"
-# ADD RSC /l 0x409 /d "PNG_NO_PEDANTIC_WARNINGS" /d "_DEBUG"
+# ADD BASE RSC /l 0x409 /d "PNG_CONFIGURE_LIBPNG" /d "_DEBUG"
+# ADD RSC /l 0x409 /d "PNG_CONFIGURE_LIBPNG" /d "_DEBUG"
 BSC32=bscmake.exe
 # ADD BASE BSC32 /nologo
 # ADD BSC32 /nologo

projects/visualc71/libpng.vcproj

@@ -138,7 +138,7 @@
 				Name="VCPreLinkEventTool"/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				AdditionalOptions="/d PNG_NO_PEDANTIC_WARNINGS /d PNG_LIBPNG_DLLFNAME_POSTFIX=&quot;&quot;&quot;&quot;VB&quot;&quot;&quot;&quot; /d PNG_LIBPNG_SPECIALBUILD=&quot;&quot;&quot;&quot;__stdcall calling convention used for exported functions&quot;&quot;&quot;&quot;"
+				AdditionalOptions="/d PNG_CONFIGURE_LIBPNG /d PNG_LIBPNG_DLLFNAME_POSTFIX=&quot;&quot;&quot;&quot;VB&quot;&quot;&quot;&quot; /d PNG_LIBPNG_SPECIALBUILD=&quot;&quot;&quot;&quot;__stdcall calling convention used for exported functions&quot;&quot;&quot;&quot;"
 				PreprocessorDefinitions="NDEBUG"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..;..\..\..\zlib;$(IntDir)"/>

projects/xcode/README.txt

@@ -2,7 +2,7 @@ The xcode project has not been entirely updated to libpng-1.4.0.
 
 It needs to *not* depend on pnggccrd.c or pngvcrd.c
 
-It needs to PNG_NO_PEDANTIC_WARNINGS in the CFLAGS while building
+It needs to PNG_CONFIGURE_LIBPNG in the CFLAGS while building
 the library, but not while building an application.
 
 If an updated version is not received, this project will

projects/xcode/libpng.xcodeproj/project.pbxproj

@@ -226,7 +226,7 @@
 				COPY_PHASE_STRIP = NO;
 				DYLIB_COMPATIBILITY_VERSION = 14;
 				DYLIB_CURRENT_VERSION = 14;
-				FRAMEWORK_VERSION = 1.4.1beta12;
+				FRAMEWORK_VERSION = 1.4.1alpha01;
 				GCC_PRECOMPILE_PREFIX_HEADER = NO;
 				GCC_PREFIX_HEADER = "";
 				INFOPLIST_FILE = Info.plist;
@@ -244,7 +244,7 @@
 			buildSettings = {
 				DYLIB_COMPATIBILITY_VERSION = 14;
 				DYLIB_CURRENT_VERSION = 14;
-				FRAMEWORK_VERSION = 1.4.1beta12;
+				FRAMEWORK_VERSION = 1.4.1alpha01;
 				GCC_PRECOMPILE_PREFIX_HEADER = NO;
 				GCC_PREFIX_HEADER = "";
 				INFOPLIST_FILE = Info.plist;

scripts/README.txt

@@ -1,8 +1,8 @@
 
-Makefiles for  libpng version 1.4.1beta12 - February 14, 2010
+Makefiles for  libpng version 1.4.1alpha01 - November 27, 2009
 
  makefile.linux    =>  Linux/ELF makefile
-                       (gcc, creates libpng14.so.14.1.4.1beta12)
+                       (gcc, creates libpng14.so.14.1.4.1alpha01)
  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 @@ Makefiles for  libpng version 1.4.1beta12 - February 14, 2010
  makefile.dec      =>  DEC Alpha UNIX makefile
  makefile.dj2      =>  DJGPP 2 makefile
  makefile.elf      =>  Linux/ELF makefile symbol versioning,
-                       gcc, creates libpng14.so.14.1.4.1beta12)
+                       gcc, creates libpng14.so.14.1.4.1alpha01)
  makefile.freebsd  =>  FreeBSD makefile
  makefile.gcc      =>  Generic gcc makefile
  makefile.hpgcc    =>  HPUX makefile using gcc
@@ -36,12 +36,12 @@ Makefiles for  libpng version 1.4.1beta12 - February 14, 2010
  makefile.os2      =>  OS/2 Makefile (gcc and emx, requires pngos2.def)
  makefile.sco      =>  For SCO OSr5  ELF and Unixware 7 with Native cc
  makefile.sggcc    =>  Silicon Graphics (gcc,
-                       creates libpng14.so.14.1.4.1beta12)
+                       creates libpng14.so.14.1.4.1alpha01)
  makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
  makefile.solaris  =>  Solaris 2.X makefile (gcc,
-                       creates libpng14.so.14.1.4.1beta12)
+                       creates libpng14.so.14.1.4.1alpha01)
  makefile.so9      =>  Solaris 9 makefile (gcc,
-                       creates libpng14.so.14.1.4.1beta12)
+                       creates libpng14.so.14.1.4.1alpha01)
  makefile.std      =>  Generic UNIX makefile (cc, creates static libpng.a)
  makefile.sunos    =>  Sun makefile
  makefile.32sunu   =>  Sun Ultra 32-bit makefile

scripts/libpng-config-head.in

@@ -11,7 +11,7 @@
 
 # Modeled after libxml-config.
 
-version=1.4.1beta12
+version=1.4.1alpha01
 prefix=""
 libdir=""
 libs=""

scripts/libpng.pc.in

@@ -5,6 +5,6 @@ includedir=@includedir@/libpng14
 
 Name: libpng
 Description: Loads and saves PNG files
-Version: 1.4.1beta12
+Version: 1.4.1alpha01
 Libs: -L${libdir} -lpng14
 Cflags: -I${includedir}

scripts/makefile.32sunu

@@ -1,6 +1,6 @@
 # makefile for libpng on Solaris 2.x with cc
 # Contributed by William L. Sebok, based on makefile.linux
-# Copyright (C) 2002, 2006, 2010 Glenn Randers-Pehrson
+# Copyright (C) 2002, 2006 Glenn Randers-Pehrson
 # Copyright (C) 1998 Greg Roelofs
 # Copyright (C) 1996, 1997 Andreas Dilger
 
@@ -11,12 +11,16 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
 LIBSO=$(LIBNAME).so
 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).so.$(PNGVER)
 OLDSO=libpng.so
+OLDSOMAJ=libpng.so.14
+OLDSOVER=libpng.so.14.$(PNGMIN)
 
 # Utilities:
 CC=cc
@@ -45,7 +49,7 @@ ZLIBINC=/usr/include
 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
 	-Wmissing-declarations -Wtraditional -Wcast-align \
 	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-CFLAGS=-I$(ZLIBINC) $(SUN_CC_FLAGS) \
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) $(SUN_CC_FLAGS) \
 	# $(WARNMORE) -g -DPNG_DEBUG=5
 LDFLAGS=$(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) libpng.a -lz -lm
 
@@ -109,7 +113,10 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJSDLL)
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJSDLL)
 	@case "`type ld`" in *ucb*) \
 	echo; \
 	echo '## WARNING:'; \
@@ -123,7 +130,11 @@ $(LIBSOMAJ): $(OBJSDLL)
 	;; \
 	esac
 	$(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(LIBSOMAJ) \
-	 -o $(LIBSOMAJ) $(OBJSDLL)
+	 -o $(LIBSOVER) $(OBJSDLL)
+
+$(OLDSOVER): $(OBJSDLL)
+	$(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(OLDSOMAJ) \
+	 -o $(OLDSOVER)  $(OBJSDLL)
 
 pngtest: pngtest.o $(LIBSO)
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
@@ -147,16 +158,24 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
+	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@$(RM_F) $(DL)/$(LIBSOMAJ)
 	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ).$(PNGVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
+	$(LN_SF) $(LIBSOMAJ) $(LIBSO))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -210,6 +229,7 @@ test-installed:
 clean:
 	$(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
 	libpng-config $(LIBSO) $(LIBSOMAJ)* \
+	$(OLDSOVER) \
 	libpng.pc
 
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO

scripts/makefile.64sunu

@@ -1,6 +1,6 @@
 # makefile for libpng on Solaris 2.x with cc
 # Contributed by William L. Sebok, based on makefile.linux
-# Copyright (C) 2002, 2006, 2010 Glenn Randers-Pehrson
+# Copyright (C) 2002, 2006 Glenn Randers-Pehrson
 # Copyright (C) 1998 Greg Roelofs
 # Copyright (C) 1996, 1997 Andreas Dilger
 
@@ -11,12 +11,16 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
 LIBSO=$(LIBNAME).so
 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).so.$(PNGVER)
 OLDSO=libpng.so
+OLDSOMAJ=libpng.so.14
+OLDSOVER=libpng.so.14.$(PNGMIN)
 
 # Utilities:
 CC=cc
@@ -45,7 +49,7 @@ ZLIBINC=/usr/include
 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
 	-Wmissing-declarations -Wtraditional -Wcast-align \
 	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-CFLAGS=-I$(ZLIBINC) $(SUN_CC_FLAGS) \
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) $(SUN_CC_FLAGS) \
 	# $(WARNMORE) -g -DPNG_DEBUG=5
 LDFLAGS=-L. -R. $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng14 -lz -lm
 
@@ -109,7 +113,10 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJSDLL)
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJSDLL)
 	@case "`type ld`" in *ucb*) \
 	echo; \
 	echo '## WARNING:'; \
@@ -123,7 +130,11 @@ $(LIBSOMAJ): $(OBJSDLL)
 	;; \
 	esac
 	$(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(LIBSOMAJ) \
-	 -o $(LIBSOMAJ) $(OBJSDLL)
+	 -o $(LIBSOVER) $(OBJSDLL)
+
+$(OLDSOVER): $(OBJSDLL)
+	$(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(OLDSOMAJ) \
+	 -o $(OLDSOVER)  $(OBJSDLL)
 
 pngtest: pngtest.o $(LIBSO)
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
@@ -147,16 +158,24 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
+	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@$(RM_F) $(DL)/$(LIBSOMAJ)
 	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ).$(PNGVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
+	$(LN_SF) $(LIBSOMAJ) $(LIBSO))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -210,6 +229,7 @@ test-installed:
 clean:
 	$(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
 	libpng-config $(LIBSO) $(LIBSOMAJ)* \
+	$(OLDSOVER) \
 	libpng.pc
 
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO

scripts/makefile.acorn

@@ -2,7 +2,7 @@
 
 
 # Toolflags:
-CCflags = -c -depend !Depend -IC:,Zlib: -g -throwback  -DRISCOS  -fnah
+CCflags = -DPNG_CONFIGURE_LIBPNG -c -depend !Depend -IC:,Zlib: -g -throwback  -DRISCOS  -fnah
 C++flags = -c -depend !Depend -IC: -throwback
 Linkflags = -aif -c++ -o $@
 ObjAsmflags = -throwback -NoCache -depend !Depend

scripts/makefile.aix

@@ -23,6 +23,8 @@ LN_SF = ln -f -s
 
 LIBNAME=libpng14
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 prefix=/usr/local
 INCPATH=$(prefix)/include
@@ -46,7 +48,7 @@ LDDEBUG =
 CRELEASE = -O2
 LDRELEASE = -s
 WARNMORE=-W -Wall
-CFLAGS = -I$(ZLIBINC) $(WARNMORE) $(CRELEASE)
+CFLAGS = -DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) $(WARNMORE) $(CRELEASE)
 LDFLAGS = -L. -L$(ZLIBLIB) -lpng14 -lz -lm $(LDRELEASE)
 
 # File extensions

scripts/makefile.amiga

@@ -15,7 +15,7 @@ CC=sc
 #compiler flags
 # WARNING: a bug in V6.51 causes bad code with OPTGO
 #          So use V6.55 or set NOOPTGO!!!!!!!!!
-CFLAGS= NOSTKCHK PARMS=REG OPTIMIZE OPTGO OPTPEEP OPTINLOCAL OPTINL\
+CFLAGS= -DPNG_CONFIGURE_LIBPNG NOSTKCHK PARMS=REG OPTIMIZE OPTGO OPTPEEP OPTINLOCAL OPTINL\
 	OPTLOOP OPTRDEP=4 OPTDEP=4 OPTCOMP=4 INCLUDEDIR=$(ZLIB) \
 	DEFINE=PNG_INTERNAL
 #linker flags

scripts/makefile.atari

@@ -9,7 +9,7 @@
 # Modified for LC56/ATARI assumes libz.lib is in same dir and uses default
 # rules for library management
 #
-CFLAGS=-I..\zlib -O
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I..\zlib -O
 LBR = png.lib
 LDFLAGS=-lpng -lz -lm
 

scripts/makefile.bc32

@@ -43,7 +43,7 @@ LDEBUG=$(LDEBUG) -N
 # -d  merge duplicate strings
 # -k- turn off standard stack frame
 # -w  display all warnings
-CFLAGS=-I$(ZLIB_DIR) -O2 -d -k- -w $(TARGET_CPU) $(CDEBUG)
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIB_DIR) -O2 -d -k- -w $(TARGET_CPU) $(CDEBUG)
 
 # -M  generate map file
 LDFLAGS=-L$(ZLIB_DIR) -M $(LDEBUG)

scripts/makefile.beos

@@ -1,6 +1,6 @@
 # makefile for libpng on BeOS x86 ELF with gcc
 # modified from makefile.linux by Sander Stoks
-# Copyright (C) 2002, 2006, 2008, 2010 Glenn Randers-Pehrson
+# Copyright (C) 2002, 2006, 2008 Glenn Randers-Pehrson
 # Copyright (C) 1999 Greg Roelofs
 # Copyright (C) 1996, 1997 Andreas Dilger
 #
@@ -11,12 +11,16 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
 LIBSO=$(LIBNAME).so
 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).so.$(PNGVER)
 OLDSO=libpng.so
+OLDSOMAJ=libpng.so.14
+OLDSOVER=libpng.so.14.$(PNGMIN)
 
 # Utilities:
 CC=gcc
@@ -40,7 +44,7 @@ WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
 
 # On BeOS, -O1 is actually better than -O3.  This is a known bug but it's
 # still here in R4.5
-CFLAGS=-I$(ZLIBINC) -W -Wall -O1 -funroll-loops \
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O1 -funroll-loops \
 	$(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
 # LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng -lz
 LDFLAGS=-L. -Wl,-soname=$(LIBSOMAJ) -L$(ZLIBLIB) -lz
@@ -101,9 +105,16 @@ $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 	cp $(LIBSO)* /boot/home/config/lib
 
-$(LIBSOMAJ): $(OBJSDLL)
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJSDLL)
 	$(CC) -nostart -Wl,-soname,$(LIBSOMAJ) -o \
-	$(LIBSOMAJ) $(OBJSDLL) $(LDFLAGS)
+	$(LIBSOVER) $(OBJSDLL) $(LDFLAGS)
+
+$(OLDSOVER): $(OBJSDLL)
+	$(CC) -nostart -Wl,-soname,$(OLDSOMAJ) -o \
+	$(OLDSOVER) $(OBJSDLL) $(LDFLAGS)
 
 pngtest: pngtest.o $(LIBSO)
 	$(CC) -L$(ZLIBLIB) -L. -lz -lpng14 -o pngtest pngtest.o
@@ -127,17 +138,23 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
-
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@$(RM_F) $(DL)/$(LIBSOMAJ)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/$(OLDSOVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
+	$(LN_SF) $(LIBSOMAJ) $(LIBSO))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -189,6 +206,7 @@ test-installed:
 clean:
 	$(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
 	$(LIBSO) $(LIBSOMAJ)* pngtesti \
+	$(OLDSOVER) \
 	libpng.pc
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.

scripts/makefile.bor

@@ -51,7 +51,7 @@ LDEBUG=$(LDEBUG) -N
 # -w  set all warnings on
 # -O2 optimize for speed
 # -Z  global optimization
-CFLAGS=-O2 -Z -X- -w -I$(ZLIB_DIR) -$(TARGET_CPU) $(MODEL_ARG) $(CDEBUG)
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -O2 -Z -X- -w -I$(ZLIB_DIR) -$(TARGET_CPU) $(MODEL_ARG) $(CDEBUG)
 
 # -M  generate map file
 LDFLAGS=-M -L$(ZLIB_DIR) $(MODEL_ARG) $(LDEBUG)

scripts/makefile.cegcc

@@ -28,7 +28,7 @@ VER = $(VERMAJ).$(VERMIN).$(VERMIC)
 NAME = libpng
 PACKAGE = $(NAME)-$(VER)
 
-BIN = libpng14-0.dll
+BIN = libpng14-0.dll libpng-14.dll
 LIB = libpng14.a libpng14.dll.a libpng.a libpng.dll.a scripts/png32ce.def
 INCLUDE = png.h pngconf.h pngpriv.h
 PC = libpng14.pc libpng.pc
@@ -64,7 +64,7 @@ copy-src:
 
 compilation:
 	@echo " * Compilation of $(PACKAGE)"
-	cd $(PACKAGE) && CPPFLAGS="$(CPPFLAGS) -DPNG_BUILD_DLL -DPNG_CONSOLE_IO_SUPPORTED -D_WIN32_WCE=0x0420" CFLAGS="$(CFLAGS) -mms-bitfields -O3 -pipe -fomit-frame-pointer" LDFLAGS="$(LDFLAGS) -Wl,--enable-auto-import -Wl,-s" ./configure --prefix=/opt/wince --host=arm-mingw32ce && make
+	cd $(PACKAGE) && CPPFLAGS="$(CPPFLAGS) -DPNG_BUILD_DLL -DPNG_CONSOLE_IO_SUPPORTED -DPNG_NO_MMX_CODE -D_WIN32_WCE=0x0420" CFLAGS="$(CFLAGS) -DPNG_CONFIGURE_LIBPNG -mms-bitfields -O3 -pipe -fomit-frame-pointer" LDFLAGS="$(LDFLAGS) -Wl,--enable-auto-import -Wl,-s" ./configure --prefix=/opt/wince --host=arm-mingw32ce && make
 
 copy:
 	@echo " * Copy of binary and development files"

scripts/makefile.cygwin

@@ -36,7 +36,7 @@ DESTDIR=
 
 CC=gcc
 ifdef MINGW
-MINGW_CCFLAGS=-mno-cygwin -I/usr/include/mingw
+MINGW_CCFLAGS=-DPNG_CONFIGURE_LIBPNG -mno-cygwin -I/usr/include/mingw
 MINGW_LDFLAGS=-mno-cygwin -L/usr/lib/mingw
 endif
 
@@ -68,6 +68,8 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng14
 PNGMAJ = 14
 CYGDLL = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=cygpng$(CYGDLL).dll
 STATLIB=libpng.a

scripts/makefile.darwin

@@ -1,5 +1,5 @@
 # makefile for libpng on Darwin / Mac OS X
-# Copyright (C) 2002, 2004, 2006, 2008, 2010 Glenn Randers-Pehrson
+# Copyright (C) 2002, 2004, 2006, 2008 Glenn Randers-Pehrson
 # Copyright (C) 2001 Christoph Pfisterer
 # derived from makefile.linux:
 #  Copyright (C) 1998, 1999 Greg Roelofs
@@ -22,12 +22,16 @@ ZLIBINC=../zlib
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
 LIBSO=$(LIBNAME).dylib
 LIBSOMAJ=$(LIBNAME).$(PNGMAJ).dylib
-LIBSOREL=$(LIBNAME).$(PNGMAJ).$(RELEASE).dylib
+LIBSOVER=$(LIBNAME).$(PNGVER).dylib
 OLDSO=libpng.dylib
+OLDSOMAJ=libpng.14.dylib
+OLDSOVER=libpng.14.$(PNGMIN).dylib
 
 # Utilities:
 CC=cc
@@ -37,8 +41,8 @@ LN_SF=ln -sf
 RANLIB=ranlib
 RM_F=/bin/rm -f
 
-# CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops
-CFLAGS=-I$(ZLIBINC) -W -Wall -O -funroll-loops
+# CFLAGS=--DPNG_CONFIGURE_LIBPNG I$(ZLIBINC) -W -Wall -O3 -funroll-loops
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O -funroll-loops
 LDFLAGS=-L. -L$(ZLIBLIB) -lpng14 -lz
 
 INCPATH=$(prefix)/include
@@ -97,11 +101,21 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJSDLL)
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJSDLL)
 	$(CC) -dynamiclib \
 	 -install_name $(LIBPATH)/$(LIBSOMAJ) \
 	 -current_version 14 -compatibility_version 14 \
-	 -o $(LIBSOMAJ) \
+	 -o $(LIBSOVER) \
+	 $(OBJSDLL) -L$(ZLIBLIB) -lz
+
+$(OLDSOVER): $(OBJSDLL)
+	$(CC) -dynamiclib \
+	 -install_name $(LIBPATH)/$(OLDSOMAJ) \
+	 -current_version 14 -compatibility_version 14 \
+	 -o $(OLDSOVER) \
 	 $(OBJSDLL) -L$(ZLIBLIB) -lz
 
 pngtest: pngtest.o $(LIBSO)
@@ -127,16 +141,24 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSO) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
+	-@$(RM_F) $(DL)/$(LIBNAME).$(PNGVER)*.dylib
+	-@$(RM_F) $(DL)/$(LIBNAME).$(PNGMAJ)*.dylib
 	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/libpng.3.$(PNGMIN)*.dylib
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
+	$(LN_SF) $(LIBSOMAJ) $(LIBSO))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -187,6 +209,7 @@ test-installed:
 
 clean:
 	$(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
+	$(OLDSOVER) \
 	libpng.pc $(LIBNAME).*dylib pngtesti
 
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO

scripts/makefile.dec

@@ -1,5 +1,5 @@
 # makefile for libpng on DEC Alpha Unix
-# Copyright (C) 2000-2002, 2006, 2010 Glenn Randers-Pehrson
+# Copyright (C) 2000-2002, 2006 Glenn Randers-Pehrson
 # Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
 #
 # This code is released under the libpng license.
@@ -8,13 +8,17 @@
 
 # Library name:
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng14
 
 # Shared library names:
 LIBSO=$(LIBNAME).so
 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).so.$(PNGVER)
 OLDSO=libpng.so
+OLDSOMAJ=libpng.so.14
+OLDSOVER=libpng.so.14.$(PNGMIN)
 
 # Utilities:
 AR_RC=ar rc
@@ -53,7 +57,7 @@ DM=$(DESTDIR)$(MANPATH)
 ZLIBLIB=../zlib
 ZLIBINC=../zlib
 
-CFLAGS=-std -w1 -I$(ZLIBINC) -O # -g -DPNG_DEBUG=1
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -std -w1 -I$(ZLIBINC) -O # -g -DPNG_DEBUG=1
 LDFLAGS=-L$(ZLIBLIB) -rpath $(ZLIBLIB) libpng.a -lz -lm
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
@@ -86,10 +90,17 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJS)
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJS)
 	$(CC) -shared -o $@ $(OBJS) -L$(ZLIBLIB) \
 	-soname $(LIBSOMAJ)
 
+$(OLDSOVER): $(OBJS)
+	$(CC) -shared -o $@ $(OBJS) -L$(ZLIBLIB) \
+	-soname $(OLDSOMAJ)
+
 pngtest: pngtest.o libpng.a
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
 
@@ -112,22 +123,29 @@ install-static: install-headers libpng.a
 	-@/bin/rm -f $(DL)/libpng.a
 	(cd $(DL); $(LN_SF)(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
-	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@/bin/rm -f $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@/bin/rm -f $(DL)/$(LIBSOMAJ)
+	-@/bin/rm -f $(DL)/$(OLDSO)
+	-@/bin/rm -f $(DL)/$(OLDSOMAJ)
+	-@/bin/rm -f $(DL)/$(OLDSOVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF)(LIBSOVER) $(LIBSOMAJ); \
+	$(LN_SF)(LIBSOMAJ) $(LIBSO))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
 	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
 	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
-	(cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
+	(cd $(DL)/pkgconfig; $(LN_SF)(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
 	-@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
@@ -175,6 +193,7 @@ test-installed:
 clean:
 	/bin/rm -f *.o libpng.a pngtest pngtesti pngout.png \
 	libpng-config $(LIBSO) $(LIBSOMAJ)* \
+	$(OLDSOVER) \
 	libpng.pc
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.

scripts/makefile.dj2

@@ -13,7 +13,7 @@ INCPATH=$(prefix)/include
 LIBPATH=$(prefix)/lib
 
 CC=gcc
-CFLAGS=-I../zlib -O
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I../zlib -O
 LDFLAGS=-L. -L../zlib/ -lpng -lz -lm
 
 RANLIB=ranlib

scripts/makefile.elf

@@ -1,5 +1,5 @@
 # makefile for libpng.a and libpng14.so on Linux ELF with gcc
-# Copyright (C) 1998, 1999, 2002, 2006, 2008, 2010 Greg Roelofs
+# Copyright (C) 1998, 1999, 2002, 2006, 2008 Greg Roelofs
 # and Glenn Randers-Pehrson
 # Copyright (C) 1996, 1997 Andreas Dilger
 #
@@ -16,13 +16,16 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
 LIBSO=$(LIBNAME).so
 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).so.$(PNGVER)
 OLDSO=libpng.so
 OLDSOMAJ=libpng.so.14
+OLDSOVER=libpng.so.14.$(PNGMIN)
 
 # Utilities:
 AR_RC=ar rc
@@ -54,7 +57,7 @@ WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
 
 # for pgcc version 2.95.1, -O3 is buggy; don't use it.
 
-CFLAGS=-W -Wall -D_REENTRANT -O2 \
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -W -Wall -D_REENTRANT -O2 \
 	$(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
 
 LDFLAGS=-L. -lpng14
@@ -133,10 +136,19 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJSDLL) libpng.syms
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJSDLL) libpng.syms
 	$(CC) -shared -Wl,-soname,$(LIBSOMAJ) \
 	-Wl,-version-script,libpng.syms \
-	-o $(LIBSOMAJ) \
+	-o $(LIBSOVER) \
+	$(OBJSDLL)
+
+$(OLDSOVER): $(OBJSDLL) libpng.syms
+	$(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
+	-Wl,-version-script,libpng.syms \
+	-o $(OLDSOVER) \
 	$(OBJSDLL)
 
 pngtest: pngtest.o $(LIBSO)
@@ -171,16 +183,23 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@$(RM_F) $(DL)/$(LIBSOMAJ)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/$(OLDSOVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
+	$(LN_SF) $(LIBSOMAJ) $(LIBSO))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -232,6 +251,7 @@ test-installed:
 clean:
 	$(RM_F) *.o libpng.a libpng.syms pngtest pngout.png libpng-config \
 	$(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
+	$(OLDSOVER) \
 	libpng.pc
 
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO

scripts/makefile.freebsd

@@ -27,7 +27,7 @@ SYMLINKS=       libpng/png.h ${INCSDIR}/../png.h \
 LDADD+=         -lm -lz
 DPADD+=         ${LIBM} ${LIBZ}
 
-CFLAGS+= -I.
+CFLAGS+= -DPNG_CONFIGURE_LIBPNG -I.
 
 SRCS=	png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \

scripts/makefile.gcc

@@ -22,8 +22,8 @@ CDEBUG = -g -DPNG_DEBUG=5
 LDDEBUG =
 CRELEASE = -O2
 LDRELEASE = -s
-#CFLAGS = -W -Wall $(CDEBUG)
-CFLAGS = -W -Wall $(CRELEASE)
+#CFLAGS = -DPNG_CONFIGURE_LIBPNG -W -Wall $(CDEBUG)
+CFLAGS = -DPNG_CONFIGURE_LIBPNG -W -Wall $(CRELEASE)
 #LDFLAGS = $(LDDEBUG)
 LDFLAGS = $(LDRELEASE)
 LIBS = -lz -lm

scripts/makefile.hp64

@@ -1,5 +1,5 @@
 # makefile for libpng, HPUX (10.20 and 11.00) using the ANSI/C product.
-# Copyright (C) 1999-2002, 2006, 2009, 2010 Glenn Randers-Pehrson
+# Copyright (C) 1999-2002, 2006, 2009 Glenn Randers-Pehrson
 # Copyright (C) 1995 Guy Eric Schalnat, Group 42
 # contributed by Jim Rice and updated by Chris Schleicher, Hewlett Packard
 #
@@ -14,19 +14,23 @@ ZLIBINC=/opt/zlib/include
 # Note that if you plan to build a libpng shared library, zlib must also
 # be a shared library, which zlib's configure does not do.  After running
 # zlib's configure, edit the appropriate lines of makefile to read:
-#   CFLAGS=-O1 -DHAVE_UNISTD -DUSE_MAP -fPIC \
+#   CFLAGS=-DPNG_CONFIGURE_LIBPNG -O1 -DHAVE_UNISTD -DUSE_MAP -fPIC \
 #   LDSHARED=ld -b
 #   SHAREDLIB=libz.sl
 
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
 LIBSO=$(LIBNAME).sl
 LIBSOMAJ=$(LIBNAME).sl.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).sl.$(PNGVER)
 OLDSO=libpng.sl
+OLDSOMAJ=libpng.sl.14
+OLDSOVER=libpng.sl.14.$(PNGMIN)
 
 # Utilities:
 AR_RC=ar rc
@@ -36,10 +40,10 @@ LN_SF=ln -sf
 RANLIB=ranlib
 RM_F=/bin/rm -f
 
-CFLAGS=-I$(ZLIBINC) -O -Ae -Wl,+vnocompatwarnings +DD64 \
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -O -Ae -Wl,+vnocompatwarnings +DD64 \
 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 +Z -DHAVE_UNISTD_H -DUSE_MMAP
 # Caution: be sure you have built zlib with the same CFLAGS.
-CCFLAGS=-I$(ZLIBINC) -O -Ae -Wl,+vnocompatwarnings +DD64 \
+CCFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -O -Ae -Wl,+vnocompatwarnings +DD64 \
 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 +Z -DHAVE_UNISTD_H -DUSE_MMAP
 
 LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
@@ -104,9 +108,16 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJSDLL)
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJSDLL)
 	$(LD) -b +s \
-	+h $(LIBSOMAJ) -o $(LIBSOMAJ) $(OBJSDLL)
+	+h $(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
+
+$(OLDSOVER): $(OBJSDLL)
+	$(LD) -b +s \
+	+h $(OLDSOMAJ) -o $(OLDSOVER) $(OBJSDLL)
 
 pngtest: pngtest.o libpng.a
 	$(CC) -o pngtest $(CCFLAGS) pngtest.o $(LDFLAGS)
@@ -130,16 +141,23 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@$(RM_F) $(DL)/$(LIBSOMAJ)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/$(OLDSOVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
+	$(LN_SF) $(LIBSOMAJ) $(LIBSO))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -193,6 +211,7 @@ test-installed:
 clean:
 	$(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
 	libpng-config $(LIBSO) $(LIBSOMAJ)* \
+	$(OLDSOVER) \
 	libpng.pc
 
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO

scripts/makefile.hpgcc

@@ -1,5 +1,5 @@
 # makefile for libpng on HP-UX using GCC with the HP ANSI/C linker.
-# Copyright (C) 2002, 2006-2008, 2010 Glenn Randers-Pehrson
+# Copyright (C) 2002, 2006-2008 Glenn Randers-Pehrson
 # Copyright (C) 2001, Laurent faillie
 # Copyright (C) 1998, 1999 Greg Roelofs
 # Copyright (C) 1996, 1997 Andreas Dilger
@@ -11,12 +11,16 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
 LIBSO=$(LIBNAME).sl
 LIBSOMAJ=$(LIBNAME).sl.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).sl.$(PNGVER)
 OLDSO=libpng.sl
+OLDSOMAJ=libpng.sl.14
+OLDSOVER=libpng.sl.14.$(PNGMIN)
 
 # Utilities:
 CC=gcc
@@ -52,7 +56,7 @@ WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
 
 # for pgcc version 2.95.1, -O3 is buggy; don't use it.
 
-CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE \
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE \
 	$(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
 #LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng14 -lz -lm
 LDFLAGS=-L. -L$(ZLIBLIB) -lpng14 -lz -lm
@@ -112,9 +116,16 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJSDLL)
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJSDLL)
 	$(LD) -b +s \
-	+h $(LIBSOMAJ) -o $(LIBSOMAJ) $(OBJSDLL)
+	+h $(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
+
+$(OLDSOVER): $(OBJSDLL)
+	$(LD) -b +s \
+	+h $(OLDSOMAJ) -o $(OLDSOVER) $(OBJSDLL)
 
 pngtest: pngtest.o $(LIBSO)
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
@@ -139,16 +150,23 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@$(RM_F) $(DL)/$(LIBSOMAJ)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/$(OLDSOVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
+	$(LN_SF) $(LIBSOMAJ) $(LIBSO))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -202,6 +220,7 @@ test-installed:
 clean:
 	$(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
 	libpng-config $(LIBSO) $(LIBSOMAJ)* \
+	$(OLDSOVER) \
 	libpng.pc
 
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO

scripts/makefile.hpux

@@ -1,5 +1,5 @@
 # makefile for libpng, HPUX (10.20 and 11.00) using the ANSI/C product.
-# Copyright (C) 1999-2002, 2006, 2010 Glenn Randers-Pehrson
+# Copyright (C) 1999-2002, 2006 Glenn Randers-Pehrson
 # Copyright (C) 1995 Guy Eric Schalnat, Group 42
 # contributed by Jim Rice and updated by Chris Schleicher, Hewlett Packard
 #
@@ -21,12 +21,16 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
 LIBSO=$(LIBNAME).sl
 LIBSOMAJ=$(LIBNAME).sl.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).sl.$(PNGVER)
 OLDSO=libpng.sl
+OLDSOMAJ=libpng.sl.14
+OLDSOVER=libpng.sl.14.$(PNGMIN)
 
 # Utilities:
 AR_RC=ar rc
@@ -44,9 +48,9 @@ LIBPATH=$(exec_prefix)/lib
 MANPATH=$(prefix)/man
 BINPATH=$(exec_prefix)/bin
 
-CFLAGS=-I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0
 # Caution: be sure you have built zlib with the same CFLAGS.
-CCFLAGS=-I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0
+CCFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0
 LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
 
 # override DESTDIR= on the make install command line to easily support
@@ -101,9 +105,16 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJSDLL)
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJSDLL)
 	$(LD) -b +s \
-	+h $(LIBSOMAJ) -o $(LIBSOMAJ) $(OBJSDLL)
+	+h $(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
+
+$(OLDSOVER): $(OBJSDLL)
+	$(LD) -b +s \
+	+h $(OLDSOMAJ) -o $(OLDSOVER) $(OBJSDLL)
 
 pngtest: pngtest.o libpng.a
 	$(CC) -o pngtest $(CCFLAGS) pngtest.o $(LDFLAGS)
@@ -127,16 +138,23 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@$(RM_F) $(DL)/$(LIBSOMAJ)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/$(OLDSOVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
+	$(LN_SF) $(LIBSOMAJ) $(LIBSO))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -190,6 +208,7 @@ test-installed:
 clean:
 	$(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
 	libpng-config $(LIBSO) $(LIBSOMAJ)* \
+	$(OLDSOVER) \
 	libpng.pc
 
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO

scripts/makefile.ibmc

@@ -23,7 +23,7 @@ LD = ilink
 AR = ilib
 RM = del
 
-CFLAGS = -I$(ZLIBINC) -Mc -O2 -W3
+CFLAGS = -DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -Mc -O2 -W3
 LDFLAGS =
 
 # File extensions

scripts/makefile.intel

@@ -32,7 +32,7 @@ CALLING=r	# __fastcall
 # --------------------------------------------------------------------------
 
 CC=icl -c
-CFLAGS=-O2 -G$(CPU)$(CALLING) -Qip -Qunroll4 -I$(ZLIBINC) -nologo
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -O2 -G$(CPU)$(CALLING) -Qip -Qunroll4 -I$(ZLIBINC) -nologo
 LD=link
 LDFLAGS=/SUBSYSTEM:CONSOLE /NOLOGO
 

scripts/makefile.knr

@@ -27,7 +27,7 @@ LIBPATH=$(prefix)/lib
 DESTDIR=
 
 CC=cc
-CFLAGS=-I../zlib -O
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I../zlib -O
 LDFLAGS=-L. -L../zlib/ -lpng -lz -lm
 # flags for ansi2knr
 ANSI2KNRFLAGS=

scripts/makefile.linux

@@ -1,5 +1,5 @@
 # makefile for libpng.a and libpng14.so on Linux ELF with gcc
-# Copyright (C) 1998, 1999, 2002, 2006, 2008, 2010 Greg Roelofs and
+# Copyright (C) 1998, 1999, 2002, 2006, 2008 Greg Roelofs and
 # Glenn Randers-Pehrson
 # Copyright (C) 1996, 1997 Andreas Dilger
 #
@@ -10,13 +10,16 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-RELEASE = 1
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
 LIBSO=$(LIBNAME).so
 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).so.$(PNGVER)
 OLDSO=libpng.so
+OLDSOMAJ=libpng.so.14
+OLDSOVER=libpng.so.14.$(PNGMIN)
 
 # Utilities:
 AR_RC=ar rc
@@ -48,7 +51,7 @@ WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
 
 # for pgcc version 2.95.1, -O3 is buggy; don't use it.
 
-CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops \
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O3 -funroll-loops \
 	$(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
 
 LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng14 -lz -lm
@@ -111,8 +114,16 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJSDLL)
-	$(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOMAJ) $(OBJSDLL)
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJSDLL)
+	$(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
+
+$(OLDSOVER): $(OBJSDLL)
+	$(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
+	-o $(OLDSOVER) \
+	$(OBJSDLL)
 
 pngtest: pngtest.o $(LIBSO)
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
@@ -146,17 +157,23 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@$(RM_F) $(DL)/$(LIBSOMAJ)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/$(OLDSOVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
-
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
+	$(LN_SF) $(LIBSOMAJ) $(LIBSO))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -208,6 +225,7 @@ test-installed:
 clean:
 	$(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
 	$(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
+	$(OLDSOVER) \
 	libpng.pc
 
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO

scripts/makefile.mingw

@@ -61,13 +61,15 @@ WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
 	-Wmissing-declarations -Wtraditional -Wcast-align \
 	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
 
-CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
+CFLAGS= -DPNG_CONFIGURE_LIBPNG $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
         -W -Wall -O3 $(ALIGN) -funroll-loops \
 	-fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5
 
 LIBNAME = libpng14
 PNGMAJ = 14
 MINGDLL = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=libpng$(MINGDLL).dll
 STATLIB=libpng.a

scripts/makefile.mips

@@ -22,8 +22,8 @@ LIBPATH=$(prefix)/lib
 DESTDIR=
 
 CC=cc
-CFLAGS=-I../zlib -O -systype sysv -DSYSV -w -Dmips
-#CFLAGS=-O
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I../zlib -O -systype sysv -DSYSV -w -Dmips
+#CFLAGS=-DPNG_CONFIGURE_LIBPNG -O
 LDFLAGS=-L. -L../zlib/ -lpng -lz -lm
 
 #RANLIB=ranlib

scripts/makefile.msc

@@ -10,7 +10,7 @@
 
 # -------- Microsoft C 5.1 and later, does not use assembler code --------
 MODEL=L
-CFLAGS=-Oait -Gs -nologo -W3 -A$(MODEL) -I..\zlib
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -Oait -Gs -nologo -W3 -A$(MODEL) -I..\zlib
 #-Ox generates bad code with MSC 5.1
 CC=cl
 LD=link

scripts/makefile.ne12bsd

@@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng14
 
 LIB=	png14
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.4.1beta12
+SHLIB_MINOR=	1.4.1alpha01
 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

@@ -2,22 +2,22 @@
 # make obj && make depend && make && make test
 # make includes && make install
 # Copyright (C) 2002 Patrick R.L. Welche
-# Copyright (C) 2007-2009 Glenn Randers-Pehrson
+# Copyright (C) 2007, 2009 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
 
-# You should also run makefile.ne14bsd
+# You should also run makefile.ne0bsd
 
 LOCALBASE?=/usr/local
 LIBDIR=	${LOCALBASE}/lib
 MANDIR= ${LOCALBASE}/man
-INCSDIR=${LOCALBASE}/include
+INCSDIR=${LOCALBASE}/include/libpng
 
 LIB=	png
 SHLIB_MAJOR=	3
-SHLIB_MINOR=	1.4.1beta12
+SHLIB_MINOR=	1.4.1alpha01
 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

@@ -1,6 +1,6 @@
 # makefile for libpng
 # Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# Copyright (C) 2007-2009 Glenn Randers-Pehrson
+# Copyright (C) 2007-2008 Glenn Randers-Pehrson
 #
 # This code is released under the libpng license.
 # For conditions of distribution and use, see the disclaimer
@@ -11,7 +11,7 @@ LIBDIR=	${PREFIX}/lib
 MANDIR= ${PREFIX}/man/cat
 
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.4.1beta12
+SHLIB_MINOR=	1.4.1alpha01
 
 LIB=	png
 SRCS=	png.c pngerror.c pngget.c pngmem.c pngpread.c \
@@ -20,7 +20,7 @@ SRCS=	png.c pngerror.c pngget.c pngmem.c pngpread.c \
 
 HDRS=	png.h pngconf.h
 
-CFLAGS+= -W -Wall
+CFLAGS+= -DPNG_CONFIGURE_LIBPNG -W -Wall
 CPPFLAGS+= -I${.CURDIR}
 
 NOPROFILE= Yes
@@ -42,7 +42,7 @@ test:	pngtest
 
 beforeinstall:
 	if [ ! -d ${DESTDIR}${PREFIX}/include/libpng ]; then \
-	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${PREFIX}/include; \
+	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${PREFIX}/include/libpng; \
 	fi
 	if [ ! -d ${DESTDIR}${LIBDIR} ]; then \
 	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${LIBDIR}; \
@@ -67,7 +67,7 @@ afterinstall:
 	@rm -f ${DESTDIR}${PREFIX}/include/pngconf.h
 	@rmdir ${DESTDIR}${LIBDIR}/debug 2>/dev/null || true
 	${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
-		-m ${NONBINMODE} ${HDRS} ${DESTDIR}${PREFIX}/include
+		-m ${NONBINMODE} ${HDRS} ${DESTDIR}${PREFIX}/include/libpng
 	${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
 		-m ${NONBINMODE} ${HDRS} ${DESTDIR}${PREFIX}/include
 	${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \

scripts/makefile.os2

@@ -15,7 +15,7 @@ ZLIBINC=../zlib
 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
 	-Wmissing-declarations -Wtraditional -Wcast-align \
 	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-CFLAGS=-I$(ZLIBINC) -W -Wall -O6 -funroll-loops -malign-loops=2 \
+CFLAGS=--DPNG_CONFIGURE_LIBPNG I$(ZLIBINC) -W -Wall -O6 -funroll-loops -malign-loops=2 \
 	-malign-functions=2 #$(WARNMORE) -g -DPNG_DEBUG=5
 LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lzdll -Zcrtdll
 AR=emxomfar

scripts/makefile.sco

@@ -1,7 +1,7 @@
 # makefile for SCO OSr5  ELF and Unixware 7 with Native cc
 # Contributed by Mike Hopkirk (hops@sco.com) modified from Makefile.lnx
 #   force ELF build dynamic linking, SONAME setting in lib and RPATH in app
-# Copyright (C) 2002, 2006, 2010 Glenn Randers-Pehrson
+# Copyright (C) 2002, 2006 Glenn Randers-Pehrson
 # Copyright (C) 1998 Greg Roelofs
 # Copyright (C) 1996, 1997 Andreas Dilger
 #
@@ -12,12 +12,16 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
 LIBSO=$(LIBNAME).so
 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).so.$(PNGVER)
 OLDSO=libpng.so
+OLDSOMAJ=libpng.so.14
+OLDSOVER=libpng.so.14.$(PNGMIN)
 
 # Utilities:
 CC=cc
@@ -37,10 +41,10 @@ exec_prefix=$(prefix)
 ZLIBLIB=../zlib
 ZLIBINC=../zlib
 
-CFLAGS= -dy -belf -I$(ZLIBINC) -O3
+CFLAGS= -DPNG_CONFIGURE_LIBPNG -dy -belf -I$(ZLIBINC) -O3
 LDFLAGS=-L. -L$(ZLIBLIB) -lpng14 -lz -lm
 
-INCPATH=$(prefix)/include
+INCPATH=$(prefix)/include/libpng
 LIBPATH=$(exec_prefix)/lib
 MANPATH=$(prefix)/man
 BINPATH=$(exec_prefix)/bin
@@ -97,10 +101,17 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJSDLL)
-	$(CC) -G  -Wl,-h,$(LIBSOMAJ) -o $(LIBSOMAJ) \
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJSDLL)
+	$(CC) -G  -Wl,-h,$(LIBSOMAJ) -o $(LIBSOVER) \
 	 $(OBJSDLL)
 
+$(OLDSOVER): $(OBJSDLL)
+	$(CC) -G  -Wl,-h,$(OLDSOMAJ) -o $(OLDSOVER) \
+	$(OBJSDLL)
+
 pngtest: pngtest.o $(LIBSO)
 	LD_RUN_PATH=.:$(ZLIBLIB) $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
 
@@ -125,16 +136,23 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@$(RM_F) $(DL)/$(LIBSOMAJ)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/$(OLDSOVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
+	$(LN_SF) $(LIBSOMAJ) $(LIBSO))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -186,6 +204,7 @@ test-installed:
 clean:
 	$(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
 	$(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
+	$(OLDSOVER) \
 	libpng.pc
 
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO

scripts/makefile.sggcc

@@ -1,5 +1,5 @@
 # makefile for libpng.a and libpng14.so, SGI IRIX with 'cc'
-# Copyright (C) 2001-2002, 2006, 2010 Glenn Randers-Pehrson
+# Copyright (C) 2001-2002, 2006 Glenn Randers-Pehrson
 # Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
 #
 # This code is released under the libpng license.
@@ -9,12 +9,16 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
 LIBSO=$(LIBNAME).so
 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).so.$(PNGVER)
 OLDSO=libpng.so
+OLDSOMAJ=libpng.so.14
+OLDSOVER=libpng.so.14.$(PNGMIN)
 
 # Utilities:
 AR_RC=ar rc
@@ -43,10 +47,12 @@ ZLIBINC=../zlib
 ABI=
 
 WARNMORE= # -g -DPNG_DEBUG=5
-CFLAGS=$(ABI) -I$(ZLIBINC) -O $(WARNMORE) -fPIC -mabi=n32
+CFLAGS=-DPNG_CONFIGURE_LIBPNG $(ABI) -I$(ZLIBINC) -O $(WARNMORE) -fPIC -mabi=n32
 LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm
 LDSHARED=cc $(ABI) -shared -soname $(LIBSOMAJ) \
   -set_version sgi$(PNGMAJ).0
+LDLEGACY=cc $(ABI) -shared -soname $(OLDSOMAJ) \
+  -set_version sgi$3.0
 # See "man dso" for info about shared objects
 
 INCPATH=$(prefix)/include
@@ -80,7 +86,7 @@ libpng.a: $(OBJS)
 	$(AR_RC) $@ $(OBJS)
 	$(RANLIB) $@
 
-shared: $(LIBSOMAJ)
+shared: $(LIBSOVER)
 
 libpng.pc:
 	cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
@@ -105,10 +111,16 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJS)
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJS)
 	$(LDSHARED) -o $@ $(OBJS)
 	$(RM_F) $(LIBSO) $(LIBSOMAJ)
 
+$(OLDSOVER): $(OBJS)
+	$(LDLEGACY) -o $@ $(OBJS)
+
 pngtest: pngtest.o libpng.a
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
 
@@ -133,16 +145,23 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@$(RM_F) $(DL)/$(LIBSOMAJ)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/$(OLDSOVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
+	$(LN_SF) $(LIBSOMAJ) $(LIBSO))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -197,7 +216,7 @@ test-installed:
 
 clean:
 	$(RM_F) libpng.a pngtest pngtesti pngout.png libpng.pc \
-        so_locations libpng-config $(LIBSO) $(LIBSOMAJ)*
+        so_locations libpng-config $(LIBSO) $(LIBSOMAJ)* $(OLDSOVER)
 
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 writelock:

scripts/makefile.sgi

@@ -1,5 +1,5 @@
 # makefile for libpng.a and libpng14.so, SGI IRIX with 'cc'
-# Copyright (C) 2001-2002, 2006, 2007, 2010 Glenn Randers-Pehrson
+# Copyright (C) 2001-2002, 2006, 2007 Glenn Randers-Pehrson
 # Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
 #
 # This code is released under the libpng license.
@@ -9,12 +9,16 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
 LIBSO=$(LIBNAME).so
 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).so.$(PNGVER)
 OLDSO=libpng.so
+OLDSOMAJ=libpng.so.14
+OLDSOVER=libpng.so.14.$(PNGMIN)
 
 # Utilities:
 AR_RC=ar rc
@@ -44,12 +48,14 @@ ABI=
 
 WARNMORE=-fullwarn
 # Note: -KPIC is the default anyhow
-#CFLAGS= $(ABI) -I$(ZLIBINC) -O $(WARNMORE) -KPIC # -g -DPNG_DEBUG=5
-CFLAGS=$(ABI) -I$(ZLIBINC) -O $(WARNMORE)
+#CFLAGS= -DPNG_CONFIGURE_LIBPNG $(ABI) -I$(ZLIBINC) -O $(WARNMORE) -KPIC # -g -DPNG_DEBUG=5
+CFLAGS=-DPNG_CONFIGURE_LIBPNG $(ABI) -I$(ZLIBINC) -O $(WARNMORE)
 LDFLAGS_A=$(ABI) -L. -L$(ZLIBLIB) -lpng14 -lz -lm
 LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm
 LDSHARED=cc $(ABI) -shared -soname $(LIBSOMAJ) \
   -set_version sgi$(PNGMAJ).0
+LDLEGACY=cc $(ABI) -shared -soname $(OLDSOMAJ) \
+  -set_version sgi$3.0
 # See "man dso" for info about shared objects
 
 INCPATH=$(prefix)/include
@@ -83,6 +89,8 @@ libpng.a: $(OBJS)
 	$(AR_RC) $@ $(OBJS)
 	$(RANLIB) $@
 
+shared: $(LIBSOVER)
+
 libpng.pc:
 	cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
 	-e s!@exec_prefix@!$(exec_prefix)! \
@@ -105,10 +113,16 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJS)
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJS)
 	$(LDSHARED) -o $@ $(OBJS)
 	$(RM_F) $(LIBSO) $(LIBSOMAJ)
 
+$(OLDSOVER): $(OBJS)
+	$(LDLEGACY) -o $@ $(OBJS)
+
 pngtest: pngtest.o libpng.a
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
 
@@ -133,16 +147,23 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@$(RM_F) $(DL)/$(LIBSOMAJ)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/$(OLDSOVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
+	$(LN_SF) $(LIBSOMAJ) $(LIBSO))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -198,6 +219,7 @@ test-installed:
 clean:
 	$(RM_F) *.o libpng.a pngtest pngtesti pngout.png libpng.pc libpng-config \
 	$(LIBSO) $(LIBSOMAJ)* \
+	$(OLDSOVER) \
 	so_locations
 
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO

scripts/makefile.so9

@@ -1,7 +1,7 @@
 # makefile for libpng on Solaris 9 (beta) with Forte cc
 # Updated by Chad Schrock for Solaris 9
 # Contributed by William L. Sebok, based on makefile.linux
-# Copyright (C) 2002, 2006, 2008, 2010 Glenn Randers-Pehrson
+# Copyright (C) 2002, 2006, 2008 Glenn Randers-Pehrson
 # Copyright (C) 1998-2001 Greg Roelofs
 # Copyright (C) 1996-1997 Andreas Dilger
 #
@@ -11,13 +11,17 @@
 
 # Library name:
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng14
 
 # Shared library names:
 LIBSO=$(LIBNAME).so
 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).so.$(PNGVER)
 OLDSO=libpng.so
+OLDSOMAJ=libpng.so.14
+OLDSOVER=libpng.so.14.$(PNGMIN)
 
 # Utilities:
 # gcc 2.95 doesn't work.
@@ -46,8 +50,8 @@ ZLIBINC=/usr/include
 #WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
 	-Wmissing-declarations -Wtraditional -Wcast-align \
 	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-#CFLAGS=-I$(ZLIBINC) -W -Wall -O3 $(WARNMORE) -g -DPNG_DEBUG=5 -DPNG_NO_MMX_CODE
-CFLAGS=-I$(ZLIBINC) -O3 -DPNG_NO_MMX_CODE
+#CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O3 $(WARNMORE) -g -DPNG_DEBUG=5 -DPNG_NO_MMX_CODE
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -O3 -DPNG_NO_MMX_CODE
 LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng14 -lz -lm
 
 INCPATH=$(prefix)/include
@@ -107,7 +111,10 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJSDLL)
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJSDLL)
 	@case "`type ld`" in *ucb*) \
 	echo; \
 	echo '## WARNING:'; \
@@ -121,7 +128,11 @@ $(LIBSOMAJ): $(OBJSDLL)
 	;; \
 	esac
 	$(LD) -G -h $(LIBSOMAJ) \
-	 -o $(LIBSOMAJ) $(OBJSDLL)
+	 -o $(LIBSOVER) $(OBJSDLL)
+
+$(OLDSOVER): $(OBJS)
+	$(LD) -G -h $(OLDSOMAJ) \
+	 -o $(OLDSOVER) $(OBJSDLL)
 
 pngtest: pngtest.o $(LIBSO)
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
@@ -145,16 +156,23 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@$(RM_F) $(DL)/$(LIBSOMAJ)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/$(OLDSOVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
+	$(LN_SF) $(LIBSOMAJ) $(LIBSO))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -208,6 +226,7 @@ test-installed:
 clean:
 	$(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
 	libpng-config $(LIBSO) $(LIBSOMAJ)* \
+	$(OLDSOVER) \
 	libpng.pc
 
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO

scripts/makefile.solaris

@@ -1,5 +1,5 @@
 # makefile for libpng on Solaris 2.x with gcc
-# Copyright (C) 2004, 2006-2008, 2010 Glenn Randers-Pehrson
+# Copyright (C) 2004, 2006-2008 Glenn Randers-Pehrson
 # Contributed by William L. Sebok, based on makefile.linux
 # Copyright (C) 1998 Greg Roelofs
 # Copyright (C) 1996, 1997 Andreas Dilger
@@ -11,12 +11,16 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
 LIBSO=$(LIBNAME).so
 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).so.$(PNGVER)
 OLDSO=libpng.so
+OLDSOMAJ=libpng.so.14
+OLDSOVER=libpng.so.14.$(PNGMIN)
 
 # Utilities:
 AR_RC=ar rc
@@ -42,7 +46,7 @@ ZLIBINC=/usr/local/include
 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
 	-Wmissing-declarations -Wtraditional -Wcast-align \
 	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-CFLAGS=-I$(ZLIBINC) -W -Wall -O \
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O \
 	# $(WARNMORE) -g -DPNG_DEBUG=5
 LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng14 -lz -lm
 
@@ -104,7 +108,10 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJSDLL)
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJSDLL)
 	@case "`type ld`" in *ucb*) \
 	echo; \
 	echo '## WARNING:'; \
@@ -118,7 +125,11 @@ $(LIBSOMAJ): $(OBJSDLL)
 	;; \
 	esac
 	$(LD) -G -h $(LIBSOMAJ) \
-	 -o $(LIBSOMAJ) $(OBJSDLL)
+	 -o $(LIBSOVER) $(OBJSDLL)
+
+$(OLDSOVER): $(OBJS)
+	$(LD) -G -h $(OLDSOMAJ) \
+	 -o $(OLDSOVER) $(OBJSDLL)
 
 pngtest: pngtest.o $(LIBSO)
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
@@ -142,16 +153,23 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@$(RM_F) $(DL)/$(LIBSOMAJ)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/$(OLDSOVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -205,6 +223,7 @@ test-installed:
 clean:
 	$(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
 	libpng-config $(LIBSO) $(LIBSOMAJ)* \
+	$(OLDSOVER) \
 	libpng.pc
 
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO

scripts/makefile.solaris-x86

@@ -1,5 +1,5 @@
 # makefile for libpng on Solaris 2.x with gcc
-# Copyright (C) 2004, 2006-2008, 2010 Glenn Randers-Pehrson
+# Copyright (C) 2004, 2006-2008 Glenn Randers-Pehrson
 # Contributed by William L. Sebok, based on makefile.linux
 # Copyright (C) 1998 Greg Roelofs
 # Copyright (C) 1996, 1997 Andreas Dilger
@@ -11,12 +11,16 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
+PNGMIN = 1.4.1alpha01
+PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
 LIBSO=$(LIBNAME).so
 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
+LIBSOVER=$(LIBNAME).so.$(PNGVER)
 OLDSO=libpng.so
+OLDSOMAJ=libpng.so.14
+OLDSOVER=libpng.so.14.$(PNGMIN)
 
 # Utilities:
 AR_RC=ar rc
@@ -104,7 +108,10 @@ libpng-config:
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 
-$(LIBSOMAJ): $(OBJSDLL)
+$(LIBSOMAJ): $(LIBSOVER)
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJSDLL)
 	@case "`type ld`" in *ucb*) \
 	echo; \
 	echo '## WARNING:'; \
@@ -118,7 +125,11 @@ $(LIBSOMAJ): $(OBJSDLL)
 	;; \
 	esac
 	$(LD) -G -h $(LIBSOMAJ) \
-	 -o $(LIBSOMAJ) $(OBJSDLL)
+	 -o $(LIBSOVER) $(OBJSDLL)
+
+$(OLDSOVER): $(OBJS)
+	$(LD) -G -h $(OLDSOMAJ) \
+	 -o $(OLDSOVER) $(OBJSDLL)
 
 pngtest: pngtest.o $(LIBSO)
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
@@ -142,16 +153,23 @@ install-static: install-headers libpng.a
 	-@$(RM_F) $(DL)/libpng.a
 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+	$(OLDSOVER)
 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-	-@$(RM_F) $(DL)/$(LIBSO)
-	-@$(RM_F) $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+	-@$(RM_F) $(DL)/$(LIBSOMAJ)
 	-@$(RM_F) $(DL)/$(OLDSO)
-	cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
-	chmod 755 $(DL)/$(LIBSOREL)
+	-@$(RM_F) $(DL)/$(OLDSOMAJ)
+	-@$(RM_F) $(DL)/$(OLDSOVER)*
+	cp $(LIBSOVER) $(DL)
+	cp $(OLDSOVER) $(DL)
+	chmod 755 $(DL)/$(LIBSOVER)
+	chmod 755 $(DL)/$(OLDSOVER)
 	(cd $(DL); \
-	$(LN_SF) $(LIBSOREL) $(LIBSO); \
-	$(LN_SF) $(LIBSO) $(OLDSO))
+	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSO); \
+	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ))
 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
@@ -205,6 +223,7 @@ test-installed:
 clean:
 	$(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
 	libpng-config $(LIBSO) $(LIBSOMAJ)* \
+	$(OLDSOVER) \
 	libpng.pc
 
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO

scripts/makefile.std

@@ -34,7 +34,7 @@ LN_SF=ln -sf
 RANLIB=ranlib
 RM_F=rm -f
 
-CFLAGS=-I$(ZLIBINC) -O # -g -DPNG_DEBUG=5
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -O # -g -DPNG_DEBUG=5
 LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \

scripts/makefile.sunos

@@ -39,7 +39,7 @@ LN_SF=ln -f -s
 RANLIB=ranlib
 RM_F=/bin/rm -f
 
-CFLAGS=-I$(ZLIBINC) -O # $(WARNMORE) -DPNG_DEBUG=5
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -O # $(WARNMORE) -DPNG_DEBUG=5
 LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \

scripts/makefile.tc3

@@ -6,8 +6,8 @@
 # ----- Turbo C 3.00 (can be modified to work with earlier versions) -----
 
 MODEL=l
-CFLAGS=-O2 -Z -m$(MODEL) -I..\zlib
-#CFLAGS=-D_NO_PROTO -O2 -Z -m$(MODEL) -I..\zlib  # Turbo C older than 3.00
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -O2 -Z -m$(MODEL) -I..\zlib
+#CFLAGS=-DPNG_CONFIGURE_LIBPNG -D_NO_PROTO -O2 -Z -m$(MODEL) -I..\zlib  # Turbo C older than 3.00
 CC=tcc
 LD=tcc
 LIB=tlib

scripts/makefile.vcwin32

@@ -15,7 +15,7 @@
 CC = cl
 LD = link
 AR = lib
-CFLAGS  = -nologo -MD -O2 -W3 -I..\zlib
+CFLAGS  = -DPNG_CONFIGURE_LIBPNG -nologo -MD -O2 -W3 -I..\zlib
 LDFLAGS = -nologo
 ARFLAGS = -nologo
 RM = del

scripts/makefile.watcom

@@ -36,7 +36,7 @@ CALLING=r	# registers
 
 
 CC=wcc386
-CFLAGS=-$(CPU)$(CALLING) -fp$(CPU) -fpi87 -oneatx -mf -bt=$(OS) -i=$(ZLIBINC) -zq
+CFLAGS=-DPNG_CONFIGURE_LIBPNG -$(CPU)$(CALLING) -fp$(CPU) -fpi87 -oneatx -mf -bt=$(OS) -i=$(ZLIBINC) -zq
 LD=wcl386
 LDFLAGS=-zq
 

scripts/png32ce.def

@@ -15,7 +15,7 @@ LIBRARY lpngce
  png_get_int_32
 
 EXPORTS
-;Version 1.4.1beta12
+;Version 1.4.1alpha01
   png_build_grayscale_palette  @1
 ;  png_check_sig        @2
   png_chunk_error      @3
@@ -249,11 +249,9 @@ EXPORTS
   png_set_benign_error @211
   png_get_io_chunk_name @212
   png_get_io_state @213
+  png_set_premultiply_alpha @214
   png_get_chunk_cache_max @215
   png_set_chunk_cache_max @216
   png_check_cHRM_fixed @217
   png_calloc @218
   png_set_longjmp_fn @219
-; Added at version 1.4.1
-  png_get_chunk_malloc_max @220
-  png_set_chunk_malloc_max @221