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[libpng14] Bump version to 1.4.22beta01

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Glenn Randers-Pehrson 2017-08-28 12:17:18 -05:00
parent 8adda0bc89
commit 88b2a8e1c9
34 changed files with 123 additions and 99 deletions
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28
ANNOUNCE
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@ -1,34 +1,34 @@
Libpng 1.4.21 - August 24, 2017 Libpng 1.4.22beta01 - August 28, 2017
This is a public release of libpng, intended for use in production codes. This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
Files available for download: 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-1.4.21.tar.xz (LZMA-compressed, recommended) 1.4.22beta01.tar.xz (LZMA-compressed, recommended)
libpng-1.4.21.tar.gz 1.4.22beta01.tar.gz
Source files with CRLF line endings (for Windows), without the Source files with CRLF line endings (for Windows), without the
"configure" script "configure" script
lpng1421.7z (LZMA-compressed, recommended) lp1422b01.7z (LZMA-compressed, recommended)
lpng1421.zip lp1422b01.zip
Other information: Other information:
libpng-1.4.21-README.txt 1.4.22beta01-README.txt
libpng-1.4.21-LICENSE.txt 1.4.22beta01-LICENSE.txt
libpng-1.4.21-*.asc (armored detached GPG signatures) libpng-1.4.22beta01-*.asc (armored detached GPG signatures)
Changes since the last public release (1.4.20): Changes since the last public release (1.4.20):
Moved chunk-name and chunk-length checks into PNG_EXTERN private
png_check_chunk_name() and png_check_chunk_length() functions Version 1.4.22beta01 [August 28, 2017]
(Suggested by Max Stepin). Added PNGMINUS_UNUSED macro to contrib/pngminus/p*.c and added missing
Check for 0 return from png_get_rowbytes() in contrib/pngminus/*.c to stop parenthesis in contrib/pngminus/pnm2png.c (bug report by Christian Hesse).
some Coverity issues (162705, 162706, and 162707).
Send comments/corrections/commendations to glennrp at users.sourceforge.net Send comments/corrections/commendations to glennrp at users.sourceforge.net
or to png-mng-implement at lists.sf.net (subscription required; visit or to png-mng-implement at lists.sf.net (subscription required; visit

4
CHANGES
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@ -3055,6 +3055,10 @@ version 1.4.21rc01 [August 19, 2017]
version 1.4.21 [August 24, 2017] version 1.4.21 [August 24, 2017]
No changes. No changes.
version 1.4.22beta01 [August 28, 2017]
Added PNGMINUS_UNUSED macro to contrib/pngminus/p*.c and added missing
parenthesis in contrib/pngminus/pnm2png.c (bug report by Christian Hesse).
Send comments/corrections/commendations to glennrp at users.sourceforge.net Send comments/corrections/commendations to glennrp at users.sourceforge.net
or to png-mng-implement at lists.sf.net (subscription required; visit or to png-mng-implement at lists.sf.net (subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement). https://lists.sourceforge.net/lists/listinfo/png-mng-implement).

4
CMakeLists.txt
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@ -33,7 +33,7 @@ enable_testing()
set(PNGLIB_MAJOR 1) set(PNGLIB_MAJOR 1)
set(PNGLIB_MINOR 4) set(PNGLIB_MINOR 4)
set(PNGLIB_RELEASE 21) set(PNGLIB_RELEASE 22)
set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR}) set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE}) set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})
@ -255,7 +255,7 @@ install(CODE ${PNG_CONFIG_INSTALL_CODE})
# SET UP LINKS # SET UP LINKS
if(PNG_SHARED) if(PNG_SHARED)
set_target_properties(${PNG_LIB_NAME} PROPERTIES set_target_properties(${PNG_LIB_NAME} PROPERTIES
# VERSION 14.${PNGLIB_RELEASE}.1.4.21 # VERSION 14.${PNGLIB_RELEASE}.1.4.22beta01
VERSION 14.${PNGLIB_RELEASE}.0 VERSION 14.${PNGLIB_RELEASE}.0
SOVERSION 14 SOVERSION 14
CLEAN_DIRECT_OUTPUT 1) CLEAN_DIRECT_OUTPUT 1)

4
INSTALL
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@ -1,5 +1,5 @@
Installing libpng version 1.4.21 - August 24, 2017 Installing libpng version 1.4.22beta01 - August 28, 2017
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-1.4.21" or "libpng14" and "zlib-1.2.3" might be called "libpng-1.4.22beta01" or "libpng14" 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:

4
LICENSE
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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 1.0.7, July 1, 2000, through 1.4.21, August 24, 2017, are libpng versions 1.0.7, July 1, 2000, through 1.4.22beta01, August 28, 2017, are
Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
derived from libpng-1.0.6, and are distributed according to the same derived from libpng-1.0.6, and are distributed according to the same
disclaimer and license as libpng-1.0.6 with the following individuals disclaimer and license as libpng-1.0.6 with the following individuals
@ -107,4 +107,4 @@ the additional disclaimers inserted at version 1.0.7.
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
August 24, 2017 August 28, 2017

2
Makefile.am
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@ -79,7 +79,7 @@ EXTRA_DIST= \
${srcdir}/contrib/pngsuite/* \ ${srcdir}/contrib/pngsuite/* \
${srcdir}/contrib/visupng/* \ ${srcdir}/contrib/visupng/* \
$(TESTS) \ $(TESTS) \
example.c libpng-1.4.21.txt example.c libpng-1.4.22beta01.txt
CLEANFILES= pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers \ CLEANFILES= pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers \
libpng.sym libpng.sym

2
Makefile.in
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@ -628,7 +628,7 @@ EXTRA_DIST = \
${srcdir}/contrib/pngsuite/* \ ${srcdir}/contrib/pngsuite/* \
${srcdir}/contrib/visupng/* \ ${srcdir}/contrib/visupng/* \
$(TESTS) \ $(TESTS) \
example.c libpng-1.4.21.txt example.c libpng-1.4.22beta01.txt
CLEANFILES = pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers \ CLEANFILES = pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers \
libpng.sym libpng.sym

12
README
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@ -1,4 +1,4 @@
README for libpng version 1.4.21 - August 24, 2017 (shared library 14.0) README for libpng version 1.4.22beta01 - August 28, 2017 (shared library 14.0)
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.
@ -187,9 +187,9 @@ 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 makefile symbol versioning, makefile.elf => Linux/ELF makefile symbol versioning,
(gcc, creates libpng14.so.14.1.4.21) (gcc, creates libpng14.so.14.1.4.22beta01)
makefile.linux => Linux/ELF makefile makefile.linux => Linux/ELF makefile
(gcc, creates libpng14.so.14.1.4.21) (gcc, creates libpng14.so.14.1.4.22beta01)
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
@ -211,12 +211,12 @@ 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 libpng14.so.14.1.4.21) (gcc, creates libpng14.so.14.1.4.22beta01)
makefile.sunos => Sun makefile makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile makefile.solaris => Solaris 2.X makefile
(gcc, creates libpng14.so.14.1.4.21) (gcc, creates libpng14.so.14.1.4.22beta01)
makefile.so9 => Solaris 9 makefile makefile.so9 => Solaris 9 makefile
(gcc, creates libpng14.so.14.1.4.21) (gcc, creates libpng14.so.14.1.4.22beta01)
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

24
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 2.69 for libpng 1.4.21. # Generated by GNU Autoconf 2.69 for libpng 1.4.22beta01.
# #
# Report bugs to <png-mng-implement@lists.sourceforge.net>. # Report bugs to <png-mng-implement@lists.sourceforge.net>.
# #
@ -590,8 +590,8 @@ MAKEFLAGS=
# Identity of this package. # Identity of this package.
PACKAGE_NAME='libpng' PACKAGE_NAME='libpng'
PACKAGE_TARNAME='libpng' PACKAGE_TARNAME='libpng'
PACKAGE_VERSION='1.4.21' PACKAGE_VERSION='1.4.22beta01'
PACKAGE_STRING='libpng 1.4.21' PACKAGE_STRING='libpng 1.4.22beta01'
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net' PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
PACKAGE_URL='' PACKAGE_URL=''
@ -1333,7 +1333,7 @@ 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 1.4.21 to adapt to many kinds of systems. \`configure' configures libpng 1.4.22beta01 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]... Usage: $0 [OPTION]... [VAR=VALUE]...
@ -1403,7 +1403,7 @@ fi
if test -n "$ac_init_help"; then if test -n "$ac_init_help"; then
case $ac_init_help in case $ac_init_help in
short | recursive ) echo "Configuration of libpng 1.4.21:";; short | recursive ) echo "Configuration of libpng 1.4.22beta01:";;
esac esac
cat <<\_ACEOF cat <<\_ACEOF
@ -1520,7 +1520,7 @@ fi
test -n "$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 1.4.21 libpng configure 1.4.22beta01
generated by GNU Autoconf 2.69 generated by GNU Autoconf 2.69
Copyright (C) 2012 Free Software Foundation, Inc. Copyright (C) 2012 Free Software Foundation, Inc.
@ -1943,7 +1943,7 @@ 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 1.4.21, which was It was created by libpng $as_me 1.4.22beta01, which was
generated by GNU Autoconf 2.69. Invocation command line was generated by GNU Autoconf 2.69. Invocation command line was
$ $0 $@ $ $0 $@
@ -2806,7 +2806,7 @@ fi
# Define the identity of the package. # Define the identity of the package.
PACKAGE='libpng' PACKAGE='libpng'
VERSION='1.4.21' VERSION='1.4.22beta01'
cat >>confdefs.h <<_ACEOF cat >>confdefs.h <<_ACEOF
@ -2923,10 +2923,10 @@ fi
PNGLIB_VERSION=1.4.21 PNGLIB_VERSION=1.4.22beta01
PNGLIB_MAJOR=1 PNGLIB_MAJOR=1
PNGLIB_MINOR=4 PNGLIB_MINOR=4
PNGLIB_RELEASE=21 PNGLIB_RELEASE=22
@ -13615,7 +13615,7 @@ cat >>$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 1.4.21, which was This file was extended by libpng $as_me 1.4.22beta01, which was
generated by GNU Autoconf 2.69. Invocation command line was generated by GNU Autoconf 2.69. Invocation command line was
CONFIG_FILES = $CONFIG_FILES CONFIG_FILES = $CONFIG_FILES
@ -13681,7 +13681,7 @@ _ACEOF
cat >>$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 1.4.21 libpng config.status 1.4.22beta01
configured by $0, generated by GNU Autoconf 2.69, configured by $0, generated by GNU Autoconf 2.69,
with options \\"\$ac_cs_config\\" with options \\"\$ac_cs_config\\"

6
configure.ac
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@ -16,17 +16,17 @@ dnl should not be necessary to regenerate configure if the time
dnl stamps are correct dnl stamps are correct
AC_PREREQ(2.59) AC_PREREQ(2.59)
AC_INIT([libpng], [1.4.21], [png-mng-implement@lists.sourceforge.net]) AC_INIT([libpng], [1.4.22beta01], [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
dnl Version number stuff here: dnl Version number stuff here:
PNGLIB_VERSION=1.4.21 PNGLIB_VERSION=1.4.22beta01
PNGLIB_MAJOR=1 PNGLIB_MAJOR=1
PNGLIB_MINOR=4 PNGLIB_MINOR=4
PNGLIB_RELEASE=21 PNGLIB_RELEASE=22
dnl End of version number stuff dnl End of version number stuff

14
contrib/pngminus/png2pnm.c
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@ -5,7 +5,8 @@
* version 1.0 - 1999.10.15 - First version. * version 1.0 - 1999.10.15 - First version.
* 1.1 - 2017.04.22 - Add buffer-size check (Glenn Randers-Pehrson) * 1.1 - 2017.04.22 - Add buffer-size check (Glenn Randers-Pehrson)
* 1.2 - 2017.08.24 - Fix potential overflow in buffer-size check * 1.2 - 2017.08.24 - Fix potential overflow in buffer-size check
(Glenn Randers-Pehrson) * (Glenn Randers-Pehrson)
* 1.3 - 2017.08.28 - Add PNGMINUS_UNUSED (Christian Hesse)
* *
* Permission to use, copy, modify, and distribute this software and * Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted, * its documentation for any purpose and without fee is hereby granted,
@ -44,6 +45,7 @@
#define PNG_DEBUG 0 #define PNG_DEBUG 0
#endif #endif
#include "png.h" #include "png.h"
/* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */ /* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */
@ -51,6 +53,14 @@
# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf) # define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
#endif #endif
#ifndef PNGMINUS_UNUSED
/* Unused formal parameter warnings are silenced using the following macro
* which is expected to have no bad effects on performance (optimizing
* compilers will probably remove it entirely).
*/
# define PNGMINUS_UNUSED(param) (void)param
#endif
/* function prototypes */ /* function prototypes */
int main (int argc, char *argv[]); int main (int argc, char *argv[]);
@ -443,7 +453,7 @@ BOOL png2pnm (FILE *png_file, FILE *pnm_file, FILE *alpha_file,
if (png_pixels != (unsigned char*) NULL) if (png_pixels != (unsigned char*) NULL)
free (png_pixels); free (png_pixels);
PNG_UNUSED(raw) /* to quiet a Coverity defect */ PNGMINUS_UNUSED(raw); /* to quiet a Coverity defect */
return TRUE; return TRUE;
} /* end of source */ } /* end of source */

14
contrib/pngminus/pnm2png.c
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@ -7,6 +7,7 @@
* version 1.2 - 2017.04.22 - Add buffer-size check * version 1.2 - 2017.04.22 - Add buffer-size check
* 1.3 - 2017.08.24 - Fix potential overflow in buffer-size check * 1.3 - 2017.08.24 - Fix potential overflow in buffer-size check
* (Glenn Randers-Pehrson) * (Glenn Randers-Pehrson)
* 1.4 - 2017.08.28 - Add PNGMINUS_UNUSED (Christian Hesse)
* *
* Permission to use, copy, modify, and distribute this software and * Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted, * its documentation for any purpose and without fee is hereby granted,
@ -50,6 +51,15 @@
# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf) # define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
#endif #endif
#ifndef PNGMINUS_UNUSED
/* Unused formal parameter warnings are silenced using the following macro
* which is expected to have no bad effects on performance (optimizing
* compilers will probably remove it entirely).
*/
# define PNGMINUS_UNUSED(param) (void)param
#endif
/* function prototypes */ /* function prototypes */
int main (int argc, char *argv[]); int main (int argc, char *argv[]);
@ -376,7 +386,7 @@ BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace,
/* row_bytes is the width x number of channels x (bit-depth / 8) */ /* row_bytes is the width x number of channels x (bit-depth / 8) */
row_bytes = width * channels * ((bit_depth <= 8) ? 1 : 2); row_bytes = width * channels * ((bit_depth <= 8) ? 1 : 2);
if ((row_bytes == 0 || (size_t)height > ((size_t)(-1))/(size_t)row_bytes) if ((row_bytes == 0 || (size_t)height > ((size_t)(-1))/(size_t)row_bytes))
{ {
/* too big */ /* too big */
return FALSE; return FALSE;
@ -513,7 +523,7 @@ BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace,
if (png_pixels != (unsigned char*) NULL) if (png_pixels != (unsigned char*) NULL)
free (png_pixels); free (png_pixels);
PNG_UNUSED(raw) /* Quiet a Coverity defect */ PNGMINUS_UNUSED(raw); /* Quiet a Coverity defect */
return TRUE; return TRUE;
} /* end of pnm2png */ } /* end of pnm2png */

8
libpng-1.4.21.txt → libpng-1.4.22beta01.txt
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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 1.4.21 - August 24, 2017 libpng version 1.4.22beta01 - August 28, 2017
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) 1998-2014 Glenn Randers-Pehrson Copyright (c) 1998-2014 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 1.4.21 - August 24, 2017 libpng versions 0.97, January 1998, through 1.4.22beta01 - August 28, 2017
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2014 Glenn Randers-Pehrson Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -907,7 +907,7 @@ 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 1.4.21, not all possible expansions are supported. As of libpng version 1.4.22beta01, 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
@ -3298,7 +3298,7 @@ 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 1.4.21 are Y2K compliant. It is my belief that earlier upward through 1.4.22beta01 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

18
libpng.3
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@ -1,6 +1,6 @@
.TH LIBPNG 3 "August 24, 2017" .TH LIBPNG 3 "August 28, 2017"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.21 libpng \- Portable Network Graphics (PNG) Reference Library 1.4.22beta01
.SH SYNOPSIS .SH SYNOPSIS
\fB \fB
#include <png.h>\fP #include <png.h>\fP
@ -444,7 +444,7 @@ Following is a copy of the libpng-manual.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 1.4.21 - August 24, 2017 libpng version 1.4.22beta01 - August 28, 2017
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) 1998-2014 Glenn Randers-Pehrson Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -455,7 +455,7 @@ libpng.txt - A description on how to use and modify libpng
Based on: Based on:
libpng versions 0.97, January 1998, through 1.4.21 - August 24, 2017 libpng versions 0.97, January 1998, through 1.4.22beta01 - August 28, 2017
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2014 Glenn Randers-Pehrson Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -1351,7 +1351,7 @@ 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 1.4.21, not all possible expansions are supported. As of libpng version 1.4.22beta01, 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
@ -3742,7 +3742,7 @@ 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 1.4.21 are Y2K compliant. It is my belief that earlier upward through 1.4.22beta01 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
@ -3895,7 +3895,7 @@ 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 1.4.21 - August 24, 2017: Libpng version 1.4.22beta01 - August 28, 2017:
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).
@ -3920,7 +3920,7 @@ this sentence.
This code is released under the libpng license. This code is released under the libpng license.
libpng versions 1.0.7, July 1, 2000, through 1.4.21, August 24, 2017, are libpng versions 1.0.7, July 1, 2000, through 1.4.22beta01, August 28, 2017, are
Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
derived from libpng-1.0.6, and are distributed according to the same derived from libpng-1.0.6, and are distributed according to the same
disclaimer and license as libpng-1.0.6 with the following individuals disclaimer and license as libpng-1.0.6 with the following individuals
@ -4017,7 +4017,7 @@ the additional disclaimers inserted at version 1.0.7.
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
August 24, 2017 August 28, 2017
.\" end of man page .\" end of man page

4
libpngpf.3
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@ -1,6 +1,6 @@
.TH LIBPNGPF 3 "August 24, 2017" .TH LIBPNGPF 3 "August 28, 2017"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.21 libpng \- Portable Network Graphics (PNG) Reference Library 1.4.22beta01
(private functions) (private functions)
.SH SYNOPSIS .SH SYNOPSIS
\fB#include <png.h> \fB#include <png.h>

2
png.5
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@ -1,4 +1,4 @@
.TH PNG 5 "August 24, 2017" .TH PNG 5 "August 28, 2017"
.SH NAME .SH NAME
png \- Portable Network Graphics (PNG) format png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION .SH DESCRIPTION

6
png.c
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@ -17,7 +17,7 @@
#include "pngpriv.h" #include "pngpriv.h"
/* Generate a compiler error if there is an old png.h in the search path. */ /* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_4_21 Your_png_h_is_not_version_1_4_21; typedef version_1_4_22beta01 Your_png_h_is_not_version_1_4_22beta01;
/* Tells libpng that we have already handled the first "num_bytes" bytes /* Tells libpng that we have already handled the first "num_bytes" bytes
* of the PNG file signature. If the PNG data is embedded into another * of the PNG file signature. If the PNG data is embedded into another
@ -559,14 +559,14 @@ png_get_copyright(png_const_structp png_ptr)
#else #else
#ifdef __STDC__ #ifdef __STDC__
return ((png_charp) PNG_STRING_NEWLINE \ return ((png_charp) PNG_STRING_NEWLINE \
"libpng version 1.4.21 - August 24, 2017" PNG_STRING_NEWLINE \ "libpng version 1.4.22beta01 - August 28, 2017" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson" \ "Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson" \
PNG_STRING_NEWLINE \ PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \ "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \ "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE); PNG_STRING_NEWLINE);
#else #else
return ((png_charp) "libpng version 1.4.21 - August 24, 2017\ return ((png_charp) "libpng version 1.4.22beta01 - August 28, 2017\
Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson\ Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\ Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc."); Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.");

24
png.h
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@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library /* png.h - header file for PNG reference library
* *
* libpng version 1.4.21, August 24, 2017 * libpng version 1.4.22beta01, August 28, 2017
* *
* Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -12,7 +12,7 @@
* Authors and maintainers: * Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat * 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 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.4.21, August 24, 2017: Glenn * libpng versions 0.97, January 1998, through 1.4.22beta01, August 28, 2017: Glenn
* See also "Contributing Authors", below. * See also "Contributing Authors", below.
*/ */
@ -24,7 +24,7 @@
* *
* This code is released under the libpng license. * This code is released under the libpng license.
* *
* libpng versions 1.0.7, July 1, 2000, through 1.4.21, August 24, 2017, are * libpng versions 1.0.7, July 1, 2000, through 1.4.22beta01, August 28, 2017, are
* Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are * Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
* derived from libpng-1.0.6, and are distributed according to the same * derived from libpng-1.0.6, and are distributed according to the same
* disclaimer and license as libpng-1.0.6 with the following individuals * disclaimer and license as libpng-1.0.6 with the following individuals
@ -207,13 +207,13 @@
* Y2K compliance in libpng: * Y2K compliance in libpng:
* ========================= * =========================
* *
* August 24, 2017 * August 28, 2017
* *
* 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 1.4.21 are Y2K compliant. It is my belief that earlier * upward through 1.4.22beta01 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
@ -269,9 +269,9 @@
*/ */
/* Version information for png.h - this should match the version in png.c */ /* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.4.21" #define PNG_LIBPNG_VER_STRING "1.4.22beta01"
#define PNG_HEADER_VERSION_STRING \ #define PNG_HEADER_VERSION_STRING \
" libpng version 1.4.21 - August 24, 2017\n" " libpng version 1.4.22beta01 - August 28, 2017\n"
#define PNG_LIBPNG_VER_SONUM 14 #define PNG_LIBPNG_VER_SONUM 14
#define PNG_LIBPNG_VER_DLLNUM 14 #define PNG_LIBPNG_VER_DLLNUM 14
@ -279,12 +279,12 @@
/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */ /* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
#define PNG_LIBPNG_VER_MAJOR 1 #define PNG_LIBPNG_VER_MAJOR 1
#define PNG_LIBPNG_VER_MINOR 4 #define PNG_LIBPNG_VER_MINOR 4
#define PNG_LIBPNG_VER_RELEASE 21 #define PNG_LIBPNG_VER_RELEASE 22
/* This should match the numeric part of the final component of /* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: * PNG_LIBPNG_VER_STRING, omitting any leading zero:
*/ */
#define PNG_LIBPNG_VER_BUILD 0 #define PNG_LIBPNG_VER_BUILD 01
/* Release Status */ /* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1 #define PNG_LIBPNG_BUILD_ALPHA 1
@ -301,7 +301,7 @@
#define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with #define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with
PNG_LIBPNG_BUILD_PRIVATE */ PNG_LIBPNG_BUILD_PRIVATE */
#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_STABLE #define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_BETA
/* Careful here. At one time, Guy wanted to use 082, but that would be octal. /* Careful here. At one time, Guy wanted to use 082, but that would be octal.
* We must not include leading zeros. * We must not include leading zeros.
@ -309,7 +309,7 @@
* version 1.0.0 was mis-numbered 100 instead of 10000). From * 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 * version 1.0.1 it's xxyyzz, where x=major, y=minor, z=release
*/ */
#define PNG_LIBPNG_VER 10421 /* 1.4.21 */ #define PNG_LIBPNG_VER 10422 /* 1.4.22 */
#ifndef PNG_VERSION_INFO_ONLY #ifndef PNG_VERSION_INFO_ONLY
/* Include the compression library's header */ /* Include the compression library's header */
@ -1378,7 +1378,7 @@ struct png_struct_def
/* This triggers a compiler error in png.c, if png.c and png.h /* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number. * do not agree upon the version number.
*/ */
typedef png_structp version_1_4_21; typedef png_structp version_1_4_22beta01;
typedef png_struct FAR * FAR * png_structpp; typedef png_struct FAR * FAR * png_structpp;

2
pngconf.h
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@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng /* pngconf.h - machine configurable file for libpng
* *
* libpng version 1.4.21, August 24, 2017 * libpng version 1.4.22beta01, August 28, 2017
* *
* Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngpriv.h
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@ -1,7 +1,7 @@
/* pngpriv.h - private declarations for use inside libpng /* pngpriv.h - private declarations for use inside libpng
* *
* libpng version 1.4.21 - August 24, 2017 * libpng version 1.4.22beta01 - August 28, 2017
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2002,2004,2006-2014,2017 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2014,2017 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngtest.c
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@ -1737,4 +1737,4 @@ main(int argc, char *argv[])
} }
/* Generate a compiler error if there is an old png.h in the search path. */ /* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_4_21 your_png_h_is_not_version_1_4_21; typedef version_1_4_22beta01 your_png_h_is_not_version_1_4_22beta01;

2
projects/vstudio/readme.txt
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@ -1,7 +1,7 @@
VisualStudio instructions VisualStudio instructions
libpng version 1.4.21 - August 24, 2017 libpng version 1.4.22beta01 - August 28, 2017
Copyright (c) 2010 Glenn Randers-Pehrson Copyright (c) 2010 Glenn Randers-Pehrson

2
projects/vstudio/zlib.props
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@ -2,7 +2,7 @@
<!-- <!--
* zlib.props - location of zlib source and build * zlib.props - location of zlib source and build
* *
* libpng version 1.4.21 - August 24, 2017 * libpng version 1.4.22beta01 - August 28, 2017
* *
* Copyright (c) 1998-2011 Glenn Randers-Pehrson * Copyright (c) 1998-2011 Glenn Randers-Pehrson
* *

12
scripts/README.txt
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@ -1,8 +1,8 @@
Makefiles for libpng version 1.4.21 - August 24, 2017 Makefiles for libpng version 1.4.22beta01 - August 28, 2017
makefile.linux => Linux/ELF makefile makefile.linux => Linux/ELF makefile
(gcc, creates libpng14.so.14.1.4.21) (gcc, creates libpng14.so.14.1.4.22beta01)
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 1.4.21 - August 24, 2017
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 libpng14.so.14.1.4.21) (gcc, creates libpng14.so.14.1.4.22beta01)
makefile.freebsd => FreeBSD makefile makefile.freebsd => FreeBSD makefile
makefile.gcc => Generic gcc makefile makefile.gcc => Generic gcc makefile
makefile.hpgcc => HPUX makefile using gcc makefile.hpgcc => HPUX makefile using gcc
@ -36,12 +36,12 @@ Makefiles for libpng version 1.4.21 - August 24, 2017
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 libpng14.so.14.1.4.21) creates libpng14.so.14.1.4.22beta01)
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 libpng14.so.14.1.4.21) creates libpng14.so.14.1.4.22beta01)
makefile.so9 => Solaris 9 makefile (gcc, makefile.so9 => Solaris 9 makefile (gcc,
creates libpng14.so.14.1.4.21) creates libpng14.so.14.1.4.22beta01)
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

2
scripts/libpng-config-head.in
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@ -11,7 +11,7 @@
# Modeled after libxml-config. # Modeled after libxml-config.
version=1.4.21 version=1.4.22beta01
prefix="" prefix=""
libdir="" libdir=""
libs="" libs=""

2
scripts/libpng.pc.in
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@ -5,6 +5,6 @@ includedir=@includedir@/libpng14
Name: libpng Name: libpng
Description: Loads and saves PNG files Description: Loads and saves PNG files
Version: 1.4.21 Version: 1.4.22beta01
Libs: -L${libdir} -lpng14 Libs: -L${libdir} -lpng14
Cflags: -I${includedir} Cflags: -I${includedir}

2
scripts/makefile.cegcc
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@ -23,7 +23,7 @@
VERMAJ = 1 VERMAJ = 1
VERMIN = 4 VERMIN = 4
VERMIC = 21 VERMIC = 22
VER = $(VERMAJ).$(VERMIN).$(VERMIC) VER = $(VERMAJ).$(VERMIN).$(VERMIC)
NAME = libpng NAME = libpng
PACKAGE = $(NAME)-$(VER) PACKAGE = $(NAME)-$(VER)

2
scripts/makefile.linux
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@ -10,7 +10,7 @@
# Library name: # Library name:
LIBNAME = libpng14 LIBNAME = libpng14
PNGMAJ = 14 PNGMAJ = 14
RELEASE = 21 RELEASE = 22
# Shared library names: # Shared library names:
LIBSO=$(LIBNAME).so LIBSO=$(LIBNAME).so

2
scripts/makefile.ne12bsd
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@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng14
LIB= png14 LIB= png14
SHLIB_MAJOR= 0 SHLIB_MAJOR= 0
SHLIB_MINOR= 1.4.21 SHLIB_MINOR= 1.4.22beta01
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

2
scripts/makefile.netbsd
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@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include
LIB= png LIB= png
SHLIB_MAJOR= 3 SHLIB_MAJOR= 3
SHLIB_MINOR= 1.4.21 SHLIB_MINOR= 1.4.22beta01
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

2
scripts/makefile.openbsd
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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= 1.4.21 SHLIB_MINOR= 1.4.22beta01
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 \

2
scripts/png32ce.def
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@ -15,7 +15,7 @@ LIBRARY lpngce
png_get_int_32 png_get_int_32
EXPORTS EXPORTS
;Version 1.4.21 ;Version 1.4.22beta01
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

2
scripts/pngos2.def
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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 1.4.21 ; Version 1.4.22beta01
LIBRARY PNG LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2" DESCRIPTION "PNG image compression library for OS/2"

2
scripts/pngwin.def
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@ -5,7 +5,7 @@
LIBRARY LIBRARY
EXPORTS EXPORTS
;Version 1.4.21 ;Version 1.4.22beta01
png_build_grayscale_palette png_build_grayscale_palette
png_chunk_error png_chunk_error
png_chunk_warning png_chunk_warning