[master] Imported from libpng-1.2.42rc04.tar

This commit is contained in:
Glenn Randers-Pehrson 2010-01-01 10:43:19 -06:00
parent 8e4e070151
commit b9d671326b
48 changed files with 119 additions and 112 deletions

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@ -1,5 +1,5 @@
Libpng 1.2.42rc03 - December 25, 2009 Libpng 1.2.42rc04 - January 1, 2010
This is not intended to be a public release. It will be replaced 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. within a few weeks by a public version or by another test version.
@ -9,36 +9,36 @@ Files available for download:
Source files with LF line endings (for Unix/Linux) and with a Source files with LF line endings (for Unix/Linux) and with a
"configure" script "configure" script
libpng-1.2.42rc03.tar.xz (LZMA-compressed, recommended) libpng-1.2.42rc04.tar.xz (LZMA-compressed, recommended)
libpng-1.2.42rc03.tar.gz libpng-1.2.42rc04.tar.gz
libpng-1.2.42rc03.tar.bz2 libpng-1.2.42rc04.tar.bz2
Source files with LF line endings (for Unix/Linux) without the Source files with LF line endings (for Unix/Linux) without the
"configure" script "configure" script
libpng-1.2.42rc03-no-config.tar.xz (LZMA-compressed, recommended) libpng-1.2.42rc04-no-config.tar.xz (LZMA-compressed, recommended)
libpng-1.2.42rc03-no-config.tar.gz libpng-1.2.42rc04-no-config.tar.gz
libpng-1.2.42rc03-no-config.tar.bz2 libpng-1.2.42rc04-no-config.tar.bz2
Source files with CRLF line endings (for Windows), without the Source files with CRLF line endings (for Windows), without the
"configure" script "configure" script
lp1242r03.zip lp1242r04.zip
lp1242r03.7z lp1242r04.7z
lp1242r03.tar.bz2 lp1242r04.tar.bz2
Project files Project files
libpng-1.2.42rc03-project-netware.zip libpng-1.2.42rc04-project-netware.zip
libpng-1.2.42rc03-project-wince.zip libpng-1.2.42rc04-project-wince.zip
Other information: Other information:
libpng-1.2.42rc03-README.txt libpng-1.2.42rc04-README.txt
libpng-1.2.42rc03-KNOWNBUGS.txt libpng-1.2.42rc04-KNOWNBUGS.txt
libpng-1.2.42rc03-LICENSE.txt libpng-1.2.42rc04-LICENSE.txt
libpng-1.2.42rc03-Y2K-compliance.txt libpng-1.2.42rc04-Y2K-compliance.txt
libpng-1.2.42rc03-[previous version]-diff.txt libpng-1.2.42rc04-[previous version]-diff.txt
Changes since the last public release (1.2.41): Changes since the last public release (1.2.41):
@ -66,10 +66,15 @@ version 1.2.42rc02 [December 22, 2009]
(revising changes made in 1.2.41beta17 and 1.2.41rc01) (revising changes made in 1.2.41beta17 and 1.2.41rc01)
version 1.2.42rc03 [December 25, 2009] version 1.2.42rc03 [December 25, 2009]
Marked png_memcpy_check() and png_memset_check() PNG_DEPRECATED.
Swapped PNG_UNKNOWN_CHUNKS_SUPPORTED and PNG_HANDLE_AS_UNKNOWN_SUPPORTED 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. in pngset.c to be consistent with other changes in version 1.2.38.
version 1.0.52 and 1.2.42 [December 25, 2009] version 1.2.42rc04 [January 1, 2010]
Marked png_memcpy_check() and png_memset_check() PNG_DEPRECATED.
Updated copyright year.
version 1.0.52 and 1.2.42 [January 1, 2010]
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net

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@ -2632,6 +2632,10 @@ version 1.2.42rc03 [December 25, 2009]
Swapped PNG_UNKNOWN_CHUNKS_SUPPORTED and PNG_HANDLE_AS_UNKNOWN_SUPPORTED 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. in pngset.c to be consistent with other changes in version 1.2.38.
version 1.2.42rc04 [January 1, 2010]
Marked png_memcpy_check() and png_memset_check() PNG_DEPRECATED.
Updated copyright year.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement https://lists.sourceforge.net/lists/listinfo/png-mng-implement

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@ -205,7 +205,7 @@ configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
# SET UP LINKS # SET UP LINKS
if(PNG_SHARED) if(PNG_SHARED)
set_target_properties(${PNG_LIB_NAME} PROPERTIES set_target_properties(${PNG_LIB_NAME} PROPERTIES
# VERSION 0.${PNGLIB_RELEASE}.1.2.42rc03 # VERSION 0.${PNGLIB_RELEASE}.1.2.42rc04
VERSION 0.${PNGLIB_RELEASE}.0 VERSION 0.${PNGLIB_RELEASE}.0
SOVERSION 0 SOVERSION 0
CLEAN_DIRECT_OUTPUT 1) CLEAN_DIRECT_OUTPUT 1)

10
INSTALL
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@ -1,5 +1,5 @@
Installing libpng version 1.2.42rc03 - December 25, 2009 Installing libpng version 1.2.42rc04 - January 1, 2010
On Unix/Linux and similar systems, you can simply type 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. correspond to the version of zlib that's installed.
You can rename the directories that you downloaded (they You can rename the directories that you downloaded (they
might be called "libpng-1.2.42rc03" or "libpng12" and "zlib-1.2.3" might be called "libpng-1.2.42rc04" or "libpng12" and "zlib-1.2.3"
or "zlib123") so that you have directories called "zlib" and "libpng". or "zlib123") so that you have directories called "zlib" and "libpng".
Your directory structure should look like this: Your directory structure should look like this:
@ -60,10 +60,8 @@ Your directory structure should look like this:
CMakeLists.txt => "cmake" script CMakeLists.txt => "cmake" script
configuration files: configuration files:
configure.ac, configure, Makefile.am, Makefile.in, configure.ac, configure, Makefile.am, Makefile.in,
%12-% autogen.sh, config.guess, ltmain.sh, missing, autogen.sh, config.guess, ltmain.sh, missing,
%12-% aclocal.m4, config.h.in, config.sub, 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 depcomp, install-sh, mkinstalldirs, test-pngtest.sh
contrib contrib
gregbook gregbook

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@ -1,5 +1,5 @@
Known bugs in libpng version 1.2.42rc03 Known bugs in libpng version 1.2.42rc04
1. December 4, 2009: The PNG_NO_ERROR_NUMBERS macro was inadvertently 1. December 4, 2009: The PNG_NO_ERROR_NUMBERS macro was inadvertently
defined in libpng-1.2.41/pngconf.h, which may cause a problem with defined in libpng-1.2.41/pngconf.h, which may cause a problem with

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@ -10,7 +10,7 @@ this sentence.
This code is released under the libpng license. This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.2.42rc03, December 25, 2009, are libpng versions 1.2.6, August 15, 2004, through 1.2.42rc04, January 1, 2010, are
Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, and are Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5 distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors 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 Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
December 25, 2009 January 1, 2010

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@ -86,7 +86,7 @@ EXTRA_DIST= \
${srcdir}/contrib/pngsuite/* \ ${srcdir}/contrib/pngsuite/* \
${srcdir}/contrib/visupng/* \ ${srcdir}/contrib/visupng/* \
$(TESTS) \ $(TESTS) \
example.c libpng-1.2.42rc03.txt pngvcrd.c example.c libpng-1.2.42rc04.txt pngvcrd.c
CLEANFILES= pngout.png libpng12.pc libpng12-config libpng.vers \ CLEANFILES= pngout.png libpng12.pc libpng12-config libpng.vers \
libpng.sym libpng.sym

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@ -351,7 +351,7 @@ EXTRA_DIST = \
${srcdir}/contrib/pngsuite/* \ ${srcdir}/contrib/pngsuite/* \
${srcdir}/contrib/visupng/* \ ${srcdir}/contrib/visupng/* \
$(TESTS) \ $(TESTS) \
example.c libpng-1.2.42rc03.txt pngvcrd.c example.c libpng-1.2.42rc04.txt pngvcrd.c
CLEANFILES = pngout.png libpng12.pc libpng12-config libpng.vers \ CLEANFILES = pngout.png libpng12.pc libpng12-config libpng.vers \
libpng.sym libpng.sym

16
README
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@ -1,4 +1,4 @@
README for libpng version 1.2.42rc03 - December 25, 2009 (shared library 12.0) README for libpng version 1.2.42rc04 - January 1, 2010 (shared library 12.0)
See the note about version numbers near the top of png.h See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng. See INSTALL for instructions on how to install libpng.
@ -199,11 +199,11 @@ Files in this distribution:
makefile.std => Generic UNIX makefile (cc, creates static makefile.std => Generic UNIX makefile (cc, creates static
libpng.a) libpng.a)
makefile.elf => Linux/ELF gcc makefile symbol versioning, makefile.elf => Linux/ELF gcc makefile symbol versioning,
creates libpng12.so.0.1.2.42rc03) creates libpng12.so.0.1.2.42rc04)
makefile.linux => Linux/ELF makefile (gcc, creates makefile.linux => Linux/ELF makefile (gcc, creates
libpng12.so.0.1.2.42rc03) libpng12.so.0.1.2.42rc04)
makefile.gcmmx => Linux/ELF makefile (gcc, creates makefile.gcmmx => Linux/ELF makefile (gcc, creates
libpng12.so.0.1.2.42rc03, previously libpng12.so.0.1.2.42rc04, previously
used assembler code tuned for Intel MMX used assembler code tuned for Intel MMX
platform) platform)
makefile.gcc => Generic makefile (gcc, creates static makefile.gcc => Generic makefile (gcc, creates static
@ -228,12 +228,12 @@ Files in this distribution:
makefile.openbsd => OpenBSD makefile makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib) makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
makefile.sggcc => Silicon Graphics makefile.sggcc => Silicon Graphics
(gcc, creates libpng12.so.0.1.2.42rc03) (gcc, creates libpng12.so.0.1.2.42rc04)
makefile.sunos => Sun makefile makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile makefile.solaris => Solaris 2.X makefile
(gcc, creates libpng12.so.0.1.2.42rc03) (gcc, creates libpng12.so.0.1.2.42rc04)
makefile.so9 => Solaris 9 makefile makefile.so9 => Solaris 9 makefile
(gcc, creates libpng12.so.0.1.2.42rc03) (gcc, creates libpng12.so.0.1.2.42rc04)
makefile.32sunu => Sun Ultra 32-bit makefile makefile.32sunu => Sun Ultra 32-bit makefile
makefile.64sunu => Sun Ultra 64-bit makefile makefile.64sunu => Sun Ultra 64-bit makefile
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
@ -263,7 +263,7 @@ Files in this distribution:
Good luck, and happy coding. Good luck, and happy coding.
-Glenn Randers-Pehrson (current maintainer) -Glenn Randers-Pehrson (current maintainer, since 1998)
Internet: glennrp at users.sourceforge.net Internet: glennrp at users.sourceforge.net
-Andreas Eric Dilger (former maintainer, 1996-1997) -Andreas Eric Dilger (former maintainer, 1996-1997)

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@ -1,13 +1,13 @@
Y2K compliance in libpng: Y2K compliance in libpng:
========================= =========================
December 25, 2009 January 1, 2010
Since the PNG Development group is an ad-hoc body, we can't make Since the PNG Development group is an ad-hoc body, we can't make
an official declaration. an official declaration.
This is your unofficial assurance that libpng from version 0.71 and This is your unofficial assurance that libpng from version 0.71 and
upward through 1.2.42rc03 are Y2K compliant. It is my belief that earlier upward through 1.2.42rc04 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant. versions were also Y2K compliant.
Libpng only has three year fields. One is a 2-byte unsigned integer Libpng only has three year fields. One is a 2-byte unsigned integer

22
configure vendored
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@ -1,6 +1,6 @@
#! /bin/sh #! /bin/sh
# Guess values for system-dependent variables and create Makefiles. # Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.65 for libpng 1.2.42rc03. # Generated by GNU Autoconf 2.65 for libpng 1.2.42rc04.
# #
# Report bugs to <png-mng-implement@lists.sourceforge.net>. # Report bugs to <png-mng-implement@lists.sourceforge.net>.
# #
@ -701,8 +701,8 @@ MAKEFLAGS=
# Identity of this package. # Identity of this package.
PACKAGE_NAME='libpng' PACKAGE_NAME='libpng'
PACKAGE_TARNAME='libpng' PACKAGE_TARNAME='libpng'
PACKAGE_VERSION='1.2.42rc03' PACKAGE_VERSION='1.2.42rc04'
PACKAGE_STRING='libpng 1.2.42rc03' PACKAGE_STRING='libpng 1.2.42rc04'
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net' PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
PACKAGE_URL='' PACKAGE_URL=''
@ -1435,7 +1435,7 @@ if test "$ac_init_help" = "long"; then
# Omit some internal or obsolete options to make the list less imposing. # 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. # This message is too long to be a string in the A/UX 3.1 sh.
cat <<_ACEOF cat <<_ACEOF
\`configure' configures libpng 1.2.42rc03 to adapt to many kinds of systems. \`configure' configures libpng 1.2.42rc04 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]... Usage: $0 [OPTION]... [VAR=VALUE]...
@ -1505,7 +1505,7 @@ fi
if test -n "$ac_init_help"; then if test -n "$ac_init_help"; then
case $ac_init_help in case $ac_init_help in
short | recursive ) echo "Configuration of libpng 1.2.42rc03:";; short | recursive ) echo "Configuration of libpng 1.2.42rc04:";;
esac esac
cat <<\_ACEOF cat <<\_ACEOF
@ -1612,7 +1612,7 @@ fi
test -n "$ac_init_help" && exit $ac_status test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then if $ac_init_version; then
cat <<\_ACEOF cat <<\_ACEOF
libpng configure 1.2.42rc03 libpng configure 1.2.42rc04
generated by GNU Autoconf 2.65 generated by GNU Autoconf 2.65
Copyright (C) 2009 Free Software Foundation, Inc. Copyright (C) 2009 Free Software Foundation, Inc.
@ -2037,7 +2037,7 @@ cat >config.log <<_ACEOF
This file contains any messages produced by compilers while This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake. running configure, to aid debugging if configure makes a mistake.
It was created by libpng $as_me 1.2.42rc03, which was It was created by libpng $as_me 1.2.42rc04, which was
generated by GNU Autoconf 2.65. Invocation command line was generated by GNU Autoconf 2.65. Invocation command line was
$ $0 $@ $ $0 $@
@ -2845,7 +2845,7 @@ fi
# Define the identity of the package. # Define the identity of the package.
PACKAGE='libpng' PACKAGE='libpng'
VERSION='1.2.42rc03' VERSION='1.2.42rc04'
cat >>confdefs.h <<_ACEOF cat >>confdefs.h <<_ACEOF
@ -2909,7 +2909,7 @@ fi
PNGLIB_VERSION=1.2.42rc03 PNGLIB_VERSION=1.2.42rc04
PNGLIB_MAJOR=1 PNGLIB_MAJOR=1
PNGLIB_MINOR=2 PNGLIB_MINOR=2
PNGLIB_RELEASE=42 PNGLIB_RELEASE=42
@ -12074,7 +12074,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# report actual input values of CONFIG_FILES etc. instead of their # report actual input values of CONFIG_FILES etc. instead of their
# values after options handling. # values after options handling.
ac_log=" ac_log="
This file was extended by libpng $as_me 1.2.42rc03, which was This file was extended by libpng $as_me 1.2.42rc04, which was
generated by GNU Autoconf 2.65. Invocation command line was generated by GNU Autoconf 2.65. Invocation command line was
CONFIG_FILES = $CONFIG_FILES CONFIG_FILES = $CONFIG_FILES
@ -12140,7 +12140,7 @@ _ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
ac_cs_version="\\ ac_cs_version="\\
libpng config.status 1.2.42rc03 libpng config.status 1.2.42rc04
configured by $0, generated by GNU Autoconf 2.65, configured by $0, generated by GNU Autoconf 2.65,
with options \\"\$ac_cs_config\\" with options \\"\$ac_cs_config\\"

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@ -18,12 +18,12 @@ AC_PREREQ(2.59)
dnl Version number stuff here: dnl Version number stuff here:
AC_INIT([libpng], [1.2.42rc03], [png-mng-implement@lists.sourceforge.net]) AC_INIT([libpng], [1.2.42rc04], [png-mng-implement@lists.sourceforge.net])
AM_INIT_AUTOMAKE AM_INIT_AUTOMAKE
dnl stop configure from automagically running automake dnl stop configure from automagically running automake
AM_MAINTAINER_MODE AM_MAINTAINER_MODE
PNGLIB_VERSION=1.2.42rc03 PNGLIB_VERSION=1.2.42rc04
PNGLIB_MAJOR=1 PNGLIB_MAJOR=1
PNGLIB_MINOR=2 PNGLIB_MINOR=2
PNGLIB_RELEASE=42 PNGLIB_RELEASE=42

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@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng libpng.txt - A description on how to use and modify libpng
libpng version 1.2.42rc03 - December 25, 2009 libpng version 1.2.42rc04 - January 1, 2010
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net> <glennrp at users.sourceforge.net>
Copyright (c) 1998-2009 Glenn Randers-Pehrson Copyright (c) 1998-2009 Glenn Randers-Pehrson
@ -11,7 +11,7 @@ libpng.txt - A description on how to use and modify libpng
Based on: Based on:
libpng versions 0.97, January 1998, through 1.2.42rc03 - December 25, 2009 libpng versions 0.97, January 1998, through 1.2.42rc04 - January 1, 2010
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2009 Glenn Randers-Pehrson Copyright (c) 1998-2009 Glenn Randers-Pehrson
@ -878,7 +878,7 @@ things.
As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was 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. added. It expands the sample depth without changing tRNS to alpha.
As of libpng version 1.2.42rc03, not all possible expansions are supported. As of libpng version 1.2.42rc04, not all possible expansions are supported.
In the following table, the 01 means grayscale with depth<8, 31 means 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 indexed with depth<8, other numerals represent the color type, "T" means
@ -3176,13 +3176,13 @@ Other rules can be inferred by inspecting the libpng source.
XIII. Y2K Compliance in libpng XIII. Y2K Compliance in libpng
December 25, 2009 January 1, 2010
Since the PNG Development group is an ad-hoc body, we can't make Since the PNG Development group is an ad-hoc body, we can't make
an official declaration. an official declaration.
This is your unofficial assurance that libpng from version 0.71 and This is your unofficial assurance that libpng from version 0.71 and
upward through 1.2.42rc03 are Y2K compliant. It is my belief that earlier upward through 1.2.42rc04 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant. versions were also Y2K compliant.
Libpng only has three year fields. One is a 2-byte unsigned integer that Libpng only has three year fields. One is a 2-byte unsigned integer that

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@ -1,6 +1,6 @@
.TH LIBPNG 3 "December 25, 2009" .TH LIBPNG 3 "January 1, 2010"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.42rc03 libpng \- Portable Network Graphics (PNG) Reference Library 1.2.42rc04
.SH SYNOPSIS .SH SYNOPSIS
\fI\fB \fI\fB
@ -821,7 +821,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
.SH LIBPNG.TXT .SH LIBPNG.TXT
libpng.txt - A description on how to use and modify libpng libpng.txt - A description on how to use and modify libpng
libpng version 1.2.42rc03 - December 25, 2009 libpng version 1.2.42rc04 - January 1, 2010
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net> <glennrp at users.sourceforge.net>
Copyright (c) 1998-2009 Glenn Randers-Pehrson Copyright (c) 1998-2009 Glenn Randers-Pehrson
@ -832,7 +832,7 @@ libpng.txt - A description on how to use and modify libpng
Based on: Based on:
libpng versions 0.97, January 1998, through 1.2.42rc03 - December 25, 2009 libpng versions 0.97, January 1998, through 1.2.42rc04 - January 1, 2010
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2009 Glenn Randers-Pehrson Copyright (c) 1998-2009 Glenn Randers-Pehrson
@ -1699,7 +1699,7 @@ things.
As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was 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. added. It expands the sample depth without changing tRNS to alpha.
As of libpng version 1.2.42rc03, not all possible expansions are supported. As of libpng version 1.2.42rc04, not all possible expansions are supported.
In the following table, the 01 means grayscale with depth<8, 31 means 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 indexed with depth<8, other numerals represent the color type, "T" means
@ -3997,13 +3997,13 @@ Other rules can be inferred by inspecting the libpng source.
.SH XIII. Y2K Compliance in libpng .SH XIII. Y2K Compliance in libpng
December 25, 2009 January 1, 2010
Since the PNG Development group is an ad-hoc body, we can't make Since the PNG Development group is an ad-hoc body, we can't make
an official declaration. an official declaration.
This is your unofficial assurance that libpng from version 0.71 and This is your unofficial assurance that libpng from version 0.71 and
upward through 1.2.42rc03 are Y2K compliant. It is my belief that earlier upward through 1.2.42rc04 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant. versions were also Y2K compliant.
Libpng only has three year fields. One is a 2-byte unsigned integer that Libpng only has three year fields. One is a 2-byte unsigned integer that
@ -4293,7 +4293,7 @@ the first widely used release:
1.0.51 10 10051 10.so.0.51[.0] 1.0.51 10 10051 10.so.0.51[.0]
1.2.41 13 10241 12.so.0.41[.0] 1.2.41 13 10241 12.so.0.41[.0]
1.2.42beta01-02 13 10242 12.so.0.42[.0] 1.2.42beta01-02 13 10242 12.so.0.42[.0]
1.2.42rc01-03 13 10242 12.so.0.42[.0] 1.2.42rc01-04 13 10242 12.so.0.42[.0]
1.0.52 10 10052 10.so.0.52[.0] 1.0.52 10 10052 10.so.0.52[.0]
1.2.42 13 10242 12.so.0.42[.0] 1.2.42 13 10242 12.so.0.42[.0]
@ -4351,7 +4351,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation. Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.2.42rc03 - December 25, 2009: Libpng version 1.2.42rc04 - January 1, 2010:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc. Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net). Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@ -4374,7 +4374,7 @@ this sentence.
This code is released under the libpng license. This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.2.42rc03, December 25, 2009, are libpng versions 1.2.6, August 15, 2004, through 1.2.42rc04, January 1, 2010, are
Copyright (c) 2004,2006-2008 Glenn Randers-Pehrson, and are Copyright (c) 2004,2006-2008 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5 distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors with the following individual added to the list of Contributing Authors
@ -4473,7 +4473,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
December 25, 2009 January 1, 2010
.\" end of man page .\" end of man page

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@ -1,6 +1,6 @@
.TH LIBPNGPF 3 "December 25, 2009" .TH LIBPNGPF 3 "January 1, 2010"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.42rc03 libpng \- Portable Network Graphics (PNG) Reference Library 1.2.42rc04
(private functions) (private functions)
.SH SYNOPSIS .SH SYNOPSIS
\fB#include <png.h>\fP \fB#include <png.h>\fP

2
png.5
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@ -1,4 +1,4 @@
.TH PNG 5 "December 25, 2009" .TH PNG 5 "January 1, 2010"
.SH NAME .SH NAME
png \- Portable Network Graphics (PNG) format png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION .SH DESCRIPTION

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@ -1,6 +1,6 @@
A set of project files is available for WinCE. Get A set of project files is available for WinCE. Get
libpng-1.2.42rc03-project-wince.zip from a libpng distribution libpng-1.2.42rc04-project-wince.zip from a libpng distribution
site such as http://libpng.sourceforge.net/index.html site such as http://libpng.sourceforge.net/index.html
Put the zip file in this directory (projects) and then run Put the zip file in this directory (projects) and then run
"unzip -a libpng-1.2.42rc03-project-wince.zip" "unzip -a libpng-1.2.42rc04-project-wince.zip"

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@ -222,7 +222,7 @@
COPY_PHASE_STRIP = NO; COPY_PHASE_STRIP = NO;
DYLIB_COMPATIBILITY_VERSION = 3; DYLIB_COMPATIBILITY_VERSION = 3;
DYLIB_CURRENT_VERSION = 3; DYLIB_CURRENT_VERSION = 3;
FRAMEWORK_VERSION = 1.2.42rc03; FRAMEWORK_VERSION = 1.2.42rc04;
GCC_PRECOMPILE_PREFIX_HEADER = NO; GCC_PRECOMPILE_PREFIX_HEADER = NO;
GCC_PREFIX_HEADER = ""; GCC_PREFIX_HEADER = "";
INFOPLIST_FILE = Info.plist; INFOPLIST_FILE = Info.plist;
@ -240,7 +240,7 @@
buildSettings = { buildSettings = {
DYLIB_COMPATIBILITY_VERSION = 3; DYLIB_COMPATIBILITY_VERSION = 3;
DYLIB_CURRENT_VERSION = 3; DYLIB_CURRENT_VERSION = 3;
FRAMEWORK_VERSION = 1.2.42rc03; FRAMEWORK_VERSION = 1.2.42rc04;
GCC_PRECOMPILE_PREFIX_HEADER = NO; GCC_PRECOMPILE_PREFIX_HEADER = NO;
GCC_PREFIX_HEADER = ""; GCC_PREFIX_HEADER = "";
INFOPLIST_FILE = Info.plist; INFOPLIST_FILE = Info.plist;

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@ -1,8 +1,8 @@
Makefiles for libpng version 1.2.42rc03 - December 25, 2009 Makefiles for libpng version 1.2.42rc04 - January 1, 2010
makefile.linux => Linux/ELF makefile makefile.linux => Linux/ELF makefile
(gcc, creates libpng12.so.0.1.2.42rc03) (gcc, creates libpng12.so.0.1.2.42rc04)
makefile.gcc => Generic makefile (gcc, creates static libpng.a) makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with makefile.knr => Archaic UNIX Makefile that converts files with
ansi2knr (Requires ansi2knr.c from ansi2knr (Requires ansi2knr.c from
@ -20,7 +20,7 @@ Makefiles for libpng version 1.2.42rc03 - December 25, 2009
makefile.dec => DEC Alpha UNIX makefile makefile.dec => DEC Alpha UNIX makefile
makefile.dj2 => DJGPP 2 makefile makefile.dj2 => DJGPP 2 makefile
makefile.elf => Linux/ELF makefile symbol versioning, makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng12.so.0.1.2.42rc03) gcc, creates libpng12.so.0.1.2.42rc04)
makefile.freebsd => FreeBSD makefile makefile.freebsd => FreeBSD makefile
makefile.gcc => Generic gcc makefile makefile.gcc => Generic gcc makefile
makefile.gccmmx => Generic gcc makefile previously using MMX code makefile.gccmmx => Generic gcc makefile previously using MMX code
@ -38,14 +38,14 @@ Makefiles for libpng version 1.2.42rc03 - December 25, 2009
makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def) makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def)
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
makefile.sggcc => Silicon Graphics (gcc, makefile.sggcc => Silicon Graphics (gcc,
creates libpng12.so.0.1.2.42rc03) creates libpng12.so.0.1.2.42rc04)
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib) makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.solaris => Solaris 2.X makefile (gcc, makefile.solaris => Solaris 2.X makefile (gcc,
creates libpng12.so.0.1.2.42rc03) creates libpng12.so.0.1.2.42rc04)
makefile.solaris-x86 => Solaris 2.X makefile (gcc, no MMX code, makefile.solaris-x86 => Solaris 2.X makefile (gcc, no MMX code,
creates libpng12.so.0.1.2.42rc03) creates libpng12.so.0.1.2.42rc04)
makefile.so9 => Solaris 9 makefile (gcc, makefile.so9 => Solaris 9 makefile (gcc,
creates libpng12.so.0.1.2.42rc03) creates libpng12.so.0.1.2.42rc04)
makefile.std => Generic UNIX makefile (cc, creates static libpng.a) makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.sunos => Sun makefile makefile.sunos => Sun makefile
makefile.32sunu => Sun Ultra 32-bit makefile makefile.32sunu => Sun Ultra 32-bit makefile

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@ -11,7 +11,7 @@
# Modeled after libxml-config. # Modeled after libxml-config.
version=1.2.42rc03 version=1.2.42rc04
prefix="" prefix=""
libdir="" libdir=""
libs="" libs=""

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@ -5,6 +5,6 @@ includedir=@includedir@/libpng12
Name: libpng Name: libpng
Description: Loads and saves PNG files Description: Loads and saves PNG files
Version: 1.2.42rc03 Version: 1.2.42rc04
Libs: -L${libdir} -lpng12 Libs: -L${libdir} -lpng12
Cflags: -I${includedir} Cflags: -I${includedir}

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@ -11,7 +11,7 @@
# Library name: # Library name:
LIBNAME=libpng12 LIBNAME=libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -11,7 +11,7 @@
# Library name: # Library name:
LIBNAME=libpng12 LIBNAME=libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -23,7 +23,7 @@ LN_SF = ln -f -s
LIBNAME=libpng12 LIBNAME=libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
prefix=/usr/local prefix=/usr/local

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@ -11,7 +11,7 @@
# Library name: # Library name:
LIBNAME=libpng12 LIBNAME=libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -77,7 +77,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
CYGDLL = 12 CYGDLL = 12
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=cygpng$(CYGDLL).dll SHAREDLIB=cygpng$(CYGDLL).dll

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@ -22,7 +22,7 @@ ZLIBINC=../zlib
# Library name: # Library name:
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 12 PNGMAJ = 12
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -8,7 +8,7 @@
# Library name: # Library name:
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12 LIBNAME = libpng12

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@ -16,7 +16,7 @@
# Library name: # Library name:
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -17,7 +17,7 @@
# Library name: # Library name:
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -21,7 +21,7 @@ ZLIBINC=/opt/zlib/include
# Library name: # Library name:
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -11,7 +11,7 @@
# Library name: # Library name:
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -21,7 +21,7 @@ ZLIBINC=/opt/zlib/include
# Library name: # Library name:
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -10,7 +10,7 @@
# Library name: # Library name:
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -77,7 +77,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
MINGDLL = 12 MINGDLL = 12
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=libpng$(MINGDLL).dll SHAREDLIB=libpng$(MINGDLL).dll

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@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng12
LIB= png12 LIB= png12
SHLIB_MAJOR= 0 SHLIB_MAJOR= 0
SHLIB_MINOR= 1.2.42rc03 SHLIB_MINOR= 1.2.42rc04
SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c pngwtran.c pngmem.c pngerror.c pngpread.c

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@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include
LIB= png LIB= png
SHLIB_MAJOR= 3 SHLIB_MAJOR= 3
SHLIB_MINOR= 1.2.42rc03 SHLIB_MINOR= 1.2.42rc04
SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c pngwtran.c pngmem.c pngerror.c pngpread.c

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@ -10,7 +10,7 @@
# Library name: # Library name:
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -11,7 +11,7 @@ LIBDIR= ${PREFIX}/lib
MANDIR= ${PREFIX}/man/cat MANDIR= ${PREFIX}/man/cat
SHLIB_MAJOR= 0 SHLIB_MAJOR= 0
SHLIB_MINOR= 1.2.42rc03 SHLIB_MINOR= 1.2.42rc04
LIB= png LIB= png
SRCS= png.c pngerror.c pngget.c pngmem.c pngpread.c \ SRCS= png.c pngerror.c pngget.c pngmem.c pngpread.c \

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@ -12,7 +12,7 @@
# Library name: # Library name:
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -9,7 +9,7 @@
# Library name: # Library name:
LIBNAME=libpng12 LIBNAME=libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -9,7 +9,7 @@
# Library name: # Library name:
LIBNAME=libpng12 LIBNAME=libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -11,7 +11,7 @@
# Library name: # Library name:
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12 LIBNAME = libpng12

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@ -11,7 +11,7 @@
# Library name: # Library name:
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -11,7 +11,7 @@
# Library name: # Library name:
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.42rc03 PNGMIN = 1.2.42rc04
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

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@ -5,7 +5,7 @@
LIBRARY lpngce LIBRARY lpngce
EXPORTS EXPORTS
;Version 1.2.42rc03 ;Version 1.2.42rc04
png_build_grayscale_palette @1 png_build_grayscale_palette @1
png_check_sig @2 png_check_sig @2
png_chunk_error @3 png_chunk_error @3

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@ -2,7 +2,7 @@
; PNG.LIB module definition file for OS/2 ; PNG.LIB module definition file for OS/2
;---------------------------------------- ;----------------------------------------
; Version 1.2.42rc03 ; Version 1.2.42rc04
LIBRARY PNG LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2" DESCRIPTION "PNG image compression library for OS/2"

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@ -5,7 +5,7 @@
LIBRARY LIBRARY
EXPORTS EXPORTS
;Version 1.2.42rc03 ;Version 1.2.42rc04
png_build_grayscale_palette @1 png_build_grayscale_palette @1
png_check_sig @2 png_check_sig @2
png_chunk_error @3 png_chunk_error @3