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Release libpng version 1.6.47

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Cosmin Truta 2025-02-18 11:18:30 +02:00
parent bb7e922914
commit 872555f4ba
17 changed files with 66 additions and 62 deletions
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38
ANNOUNCE
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@ -1,13 +1,5 @@
libpng 1.6.47.git libpng 1.6.47 - February 18, 2025
================= =================================
This is a development version, not intended to be a public release.
It will be replaced by a public release, or by another development
version, at a later time.
libpng 1.6.46 - January 23, 2025
================================
This is a public release of libpng, intended for use in production code. This is a public release of libpng, intended for use in production code.
@ -17,13 +9,13 @@ Files available for download
Source files with LF line endings (for Unix/Linux): Source files with LF line endings (for Unix/Linux):
* libpng-1.6.46.tar.xz (LZMA-compressed, recommended) * libpng-1.6.47.tar.xz (LZMA-compressed, recommended)
* libpng-1.6.46.tar.gz (deflate-compressed) * libpng-1.6.47.tar.gz (deflate-compressed)
Source files with CRLF line endings (for Windows): Source files with CRLF line endings (for Windows):
* lpng1646.7z (LZMA-compressed, recommended) * lpng1647.7z (LZMA-compressed, recommended)
* lpng1646.zip (deflate-compressed) * lpng1647.zip (deflate-compressed)
Other information: Other information:
@ -33,17 +25,19 @@ Other information:
* TRADEMARK.md * TRADEMARK.md
Changes from version 1.6.45 to version 1.6.46 Changes from version 1.6.46 to version 1.6.47
--------------------------------------------- ---------------------------------------------
* Added support for the mDCV and cLLI chunks. * Modified the behaviour of colorspace chunks in order to adhere
to the new precedence rules formulated in the latest draft of
the PNG Specification.
(Contributed by John Bowler) (Contributed by John Bowler)
* Fixed a build issue affecting C89 compilers. * Fixed a latent bug in `png_write_iCCP`.
This was a regression introduced in libpng-1.6.45. This would have been a read-beyond-end-of-malloc vulnerability,
(Contributed by John Bowler) introduced early in the libpng-1.6.0 development, yet (fortunately!)
* Added makefile.c89, specifically for testing C89 compilers. it was inaccessible before the above-mentioned modification of the
* Cleaned up contrib/pngminus: corrected an old typo, removed an old colorspace precedence rules, due to pre-existing colorspace checks.
workaround, and updated the CMake file. (Reported by Bob Friesenhahn; fixed by John Bowler)
Send comments/corrections/commendations to png-mng-implement at lists.sf.net. Send comments/corrections/commendations to png-mng-implement at lists.sf.net.

12
CHANGES
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@ -6239,7 +6239,17 @@ Version 1.6.46 [January 23, 2025]
Cleaned up contrib/pngminus: corrected an old typo, removed an old Cleaned up contrib/pngminus: corrected an old typo, removed an old
workaround, and updated the CMake file. workaround, and updated the CMake file.
Version 1.6.47 [TODO] Version 1.6.47 [February 18, 2025]
Modified the behaviour of colorspace chunks in order to adhere
to the new precedence rules formulated in the latest draft of
the PNG Specification.
(Contributed by John Bowler)
Fixed a latent bug in `png_write_iCCP`.
This would have been a read-beyond-end-of-malloc vulnerability,
introduced early in the libpng-1.6.0 development, yet (fortunately!)
it was inaccessible before the above-mentioned modification of the
colorspace precedence rules, due to pre-existing colorspace checks.
(Reported by Bob Friesenhahn; fixed by John Bowler)
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 is required; visit Subscription is required; visit

4
CMakeLists.txt
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@ -19,8 +19,8 @@ cmake_minimum_required(VERSION 3.14)
set(PNGLIB_MAJOR 1) set(PNGLIB_MAJOR 1)
set(PNGLIB_MINOR 6) set(PNGLIB_MINOR 6)
set(PNGLIB_REVISION 47) set(PNGLIB_REVISION 47)
#set(PNGLIB_SUBREVISION 0) set(PNGLIB_SUBREVISION 0)
set(PNGLIB_SUBREVISION "git") #set(PNGLIB_SUBREVISION "git")
set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_REVISION}) set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_REVISION})
set(PNGLIB_ABI_VERSION ${PNGLIB_MAJOR}${PNGLIB_MINOR}) set(PNGLIB_ABI_VERSION ${PNGLIB_MAJOR}${PNGLIB_MINOR})
set(PNGLIB_SHARED_VERSION ${PNGLIB_ABI_VERSION}.${PNGLIB_REVISION}.${PNGLIB_SUBREVISION}) set(PNGLIB_SHARED_VERSION ${PNGLIB_ABI_VERSION}.${PNGLIB_REVISION}.${PNGLIB_SUBREVISION})

4
README
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@ -1,5 +1,5 @@
README for libpng version 1.6.47.git README for libpng version 1.6.47
==================================== ================================
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.

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 2.72 for libpng 1.6.47.git. # Generated by GNU Autoconf 2.72 for libpng 1.6.47.
# #
# Report bugs to <png-mng-implement@lists.sourceforge.net>. # Report bugs to <png-mng-implement@lists.sourceforge.net>.
# #
@ -614,8 +614,8 @@ MAKEFLAGS=
# Identity of this package. # Identity of this package.
PACKAGE_NAME='libpng' PACKAGE_NAME='libpng'
PACKAGE_TARNAME='libpng' PACKAGE_TARNAME='libpng'
PACKAGE_VERSION='1.6.47.git' PACKAGE_VERSION='1.6.47'
PACKAGE_STRING='libpng 1.6.47.git' PACKAGE_STRING='libpng 1.6.47'
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net' PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
PACKAGE_URL='' PACKAGE_URL=''
@ -1421,7 +1421,7 @@ 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 1.6.47.git to adapt to many kinds of systems. 'configure' configures libpng 1.6.47 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]... Usage: $0 [OPTION]... [VAR=VALUE]...
@ -1492,7 +1492,7 @@ fi
if test -n "$ac_init_help"; then if test -n "$ac_init_help"; then
case $ac_init_help in case $ac_init_help in
short | recursive ) echo "Configuration of libpng 1.6.47.git:";; short | recursive ) echo "Configuration of libpng 1.6.47:";;
esac esac
cat <<\_ACEOF cat <<\_ACEOF
@ -1689,7 +1689,7 @@ fi
test -n "$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 1.6.47.git libpng configure 1.6.47
generated by GNU Autoconf 2.72 generated by GNU Autoconf 2.72
Copyright (C) 2023 Free Software Foundation, Inc. Copyright (C) 2023 Free Software Foundation, Inc.
@ -1952,7 +1952,7 @@ 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 1.6.47.git, which was It was created by libpng $as_me 1.6.47, which was
generated by GNU Autoconf 2.72. Invocation command line was generated by GNU Autoconf 2.72. Invocation command line was
$ $0$ac_configure_args_raw $ $0$ac_configure_args_raw
@ -3433,7 +3433,7 @@ fi
# Define the identity of the package. # Define the identity of the package.
PACKAGE='libpng' PACKAGE='libpng'
VERSION='1.6.47.git' VERSION='1.6.47'
printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h
@ -3528,7 +3528,7 @@ fi
PNGLIB_VERSION=1.6.47.git PNGLIB_VERSION=1.6.47
PNGLIB_MAJOR=1 PNGLIB_MAJOR=1
PNGLIB_MINOR=6 PNGLIB_MINOR=6
PNGLIB_RELEASE=47 PNGLIB_RELEASE=47
@ -16165,7 +16165,7 @@ 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 1.6.47.git, which was This file was extended by libpng $as_me 1.6.47, which was
generated by GNU Autoconf 2.72. Invocation command line was generated by GNU Autoconf 2.72. Invocation command line was
CONFIG_FILES = $CONFIG_FILES CONFIG_FILES = $CONFIG_FILES
@ -16233,7 +16233,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_config='$ac_cs_config_escaped' ac_cs_config='$ac_cs_config_escaped'
ac_cs_version="\\ ac_cs_version="\\
libpng config.status 1.6.47.git libpng config.status 1.6.47
configured by $0, generated by GNU Autoconf 2.72, configured by $0, generated by GNU Autoconf 2.72,
with options \\"\$ac_cs_config\\" with options \\"\$ac_cs_config\\"

4
configure.ac
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@ -25,7 +25,7 @@ AC_PREREQ([2.68])
dnl Version number stuff here: dnl Version number stuff here:
AC_INIT([libpng],[1.6.47.git],[png-mng-implement@lists.sourceforge.net]) AC_INIT([libpng],[1.6.47],[png-mng-implement@lists.sourceforge.net])
AC_CONFIG_MACRO_DIR([scripts/autoconf]) AC_CONFIG_MACRO_DIR([scripts/autoconf])
# libpng does not follow GNU file name conventions (hence 'foreign') # libpng does not follow GNU file name conventions (hence 'foreign')
@ -46,7 +46,7 @@ dnl automake, so the following is not necessary (and is not defined anyway):
dnl AM_PREREQ([1.11.2]) dnl AM_PREREQ([1.11.2])
dnl stop configure from automagically running automake dnl stop configure from automagically running automake
PNGLIB_VERSION=1.6.47.git PNGLIB_VERSION=1.6.47
PNGLIB_MAJOR=1 PNGLIB_MAJOR=1
PNGLIB_MINOR=6 PNGLIB_MINOR=6
PNGLIB_RELEASE=47 PNGLIB_RELEASE=47

2
libpng-manual.txt
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@ -9,7 +9,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on: Based on:
libpng version 1.6.36, December 2018, through 1.6.46 - January 2025 libpng version 1.6.36, December 2018, through 1.6.47 - February 2025
Updated and distributed by Cosmin Truta Updated and distributed by Cosmin Truta
Copyright (c) 2018-2025 Cosmin Truta Copyright (c) 2018-2025 Cosmin Truta

6
libpng.3
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@ -1,6 +1,6 @@
.TH LIBPNG 3 "January 23, 2025" .TH LIBPNG 3 "February 18, 2025"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.46 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.47
.SH SYNOPSIS .SH SYNOPSIS
\fB#include <png.h>\fP \fB#include <png.h>\fP
@ -528,7 +528,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on: Based on:
libpng version 1.6.36, December 2018, through 1.6.46 - January 2025 libpng version 1.6.36, December 2018, through 1.6.47 - February 2025
Updated and distributed by Cosmin Truta Updated and distributed by Cosmin Truta
Copyright (c) 2018-2025 Cosmin Truta Copyright (c) 2018-2025 Cosmin Truta

4
libpngpf.3
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@ -1,6 +1,6 @@
.TH LIBPNGPF 3 "January 23, 2025" .TH LIBPNGPF 3 "February 18, 2025"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.46 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.47
(private functions) (private functions)
.SH SYNOPSIS .SH SYNOPSIS

2
png.5
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@ -1,4 +1,4 @@
.TH PNG 5 "January 23, 2025" .TH PNG 5 "February 18, 2025"
.SH NAME .SH NAME
png \- Portable Network Graphics (PNG) format png \- Portable Network Graphics (PNG) format

4
png.c
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@ -13,7 +13,7 @@
#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 png_libpng_version_1_6_47_git Your_png_h_is_not_version_1_6_47_git; typedef png_libpng_version_1_6_47 Your_png_h_is_not_version_1_6_47;
/* Sanity check the chunks definitions - PNG_KNOWN_CHUNKS from pngpriv.h and the /* Sanity check the chunks definitions - PNG_KNOWN_CHUNKS from pngpriv.h and the
* corresponding macro definitions. This causes a compile time failure if * corresponding macro definitions. This causes a compile time failure if
@ -815,7 +815,7 @@ png_get_copyright(png_const_structrp png_ptr)
return PNG_STRING_COPYRIGHT return PNG_STRING_COPYRIGHT
#else #else
return PNG_STRING_NEWLINE \ return PNG_STRING_NEWLINE \
"libpng version 1.6.47.git" PNG_STRING_NEWLINE \ "libpng version 1.6.47" PNG_STRING_NEWLINE \
"Copyright (c) 2018-2025 Cosmin Truta" PNG_STRING_NEWLINE \ "Copyright (c) 2018-2025 Cosmin Truta" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson" \ "Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson" \
PNG_STRING_NEWLINE \ PNG_STRING_NEWLINE \

16
png.h
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@ -1,6 +1,6 @@
/* png.h - header file for PNG reference library /* png.h - header file for PNG reference library
* *
* libpng version 1.6.47.git * libpng version 1.6.47
* *
* Copyright (c) 2018-2025 Cosmin Truta * Copyright (c) 2018-2025 Cosmin Truta
* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
@ -14,7 +14,7 @@
* libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger * libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.6.35, July 2018: * libpng versions 0.97, January 1998, through 1.6.35, July 2018:
* Glenn Randers-Pehrson * Glenn Randers-Pehrson
* libpng versions 1.6.36, December 2018, through 1.6.46, January 2025: * libpng versions 1.6.36, December 2018, through 1.6.47, February 2025:
* Cosmin Truta * Cosmin Truta
* See also "Contributing Authors", below. * See also "Contributing Authors", below.
*/ */
@ -238,7 +238,7 @@
* ... * ...
* 1.5.30 15 10530 15.so.15.30[.0] * 1.5.30 15 10530 15.so.15.30[.0]
* ... * ...
* 1.6.46 16 10646 16.so.16.46[.0] * 1.6.47 16 10647 16.so.16.47[.0]
* *
* Henceforth the source version will match the shared-library major and * Henceforth the source version will match the shared-library major and
* minor numbers; the shared-library major version number will be used for * minor numbers; the shared-library major version number will be used for
@ -274,7 +274,7 @@
*/ */
/* 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 "1.6.47.git" #define PNG_LIBPNG_VER_STRING "1.6.47"
#define PNG_HEADER_VERSION_STRING " libpng version " PNG_LIBPNG_VER_STRING "\n" #define PNG_HEADER_VERSION_STRING " libpng version " PNG_LIBPNG_VER_STRING "\n"
/* The versions of shared library builds should stay in sync, going forward */ /* The versions of shared library builds should stay in sync, going forward */
@ -290,7 +290,7 @@
/* This should be zero for a public release, or non-zero for a /* This should be zero for a public release, or non-zero for a
* development version. * development version.
*/ */
#define PNG_LIBPNG_VER_BUILD 1 #define PNG_LIBPNG_VER_BUILD 0
/* Release Status */ /* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1 #define PNG_LIBPNG_BUILD_ALPHA 1
@ -307,7 +307,7 @@
#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_BETA #define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_STABLE
/* Careful here. At one time, Guy wanted to use 082, but that /* Careful here. At one time, Guy wanted to use 082, but that
* would be octal. We must not include leading zeros. * would be octal. We must not include leading zeros.
@ -316,7 +316,7 @@
* From version 1.0.1 it is: * From version 1.0.1 it is:
* XXYYZZ, where XX=major, YY=minor, ZZ=release * XXYYZZ, where XX=major, YY=minor, ZZ=release
*/ */
#define PNG_LIBPNG_VER 10647 /* 1.6.47.git */ #define PNG_LIBPNG_VER 10647 /* 1.6.47 */
/* Library configuration: these options cannot be changed after /* Library configuration: these options cannot be changed after
* the library has been built. * the library has been built.
@ -426,7 +426,7 @@ extern "C" {
/* 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 char* png_libpng_version_1_6_47_git; typedef char* png_libpng_version_1_6_47;
/* Basic control structions. Read libpng-manual.txt or libpng.3 for more info. /* Basic control structions. Read libpng-manual.txt or libpng.3 for more info.
* *

2
pngconf.h
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@ -1,6 +1,6 @@
/* pngconf.h - machine-configurable file for libpng /* pngconf.h - machine-configurable file for libpng
* *
* libpng version 1.6.47.git * libpng version 1.6.47
* *
* Copyright (c) 2018-2025 Cosmin Truta * Copyright (c) 2018-2025 Cosmin Truta
* Copyright (c) 1998-2002,2004,2006-2016,2018 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2016,2018 Glenn Randers-Pehrson

2
pngtest.c
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@ -50,7 +50,7 @@
#define STDERR stdout #define STDERR stdout
/* 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 png_libpng_version_1_6_47_git Your_png_h_is_not_version_1_6_47_git; typedef png_libpng_version_1_6_47 Your_png_h_is_not_version_1_6_47;
/* Ensure that all version numbers in png.h are consistent with one another. */ /* Ensure that all version numbers in png.h are consistent with one another. */
#if (PNG_LIBPNG_VER != PNG_LIBPNG_VER_MAJOR * 10000 + \ #if (PNG_LIBPNG_VER != PNG_LIBPNG_VER_MAJOR * 10000 + \

2
scripts/libpng-config-head.in
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@ -11,7 +11,7 @@
# Modeled after libxml-config. # Modeled after libxml-config.
version=1.6.47.git version=1.6.47
prefix="" prefix=""
libdir="" libdir=""
libs="" libs=""

2
scripts/libpng.pc.in
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@ -5,6 +5,6 @@ includedir=@includedir@/libpng16
Name: libpng Name: libpng
Description: Loads and saves PNG files Description: Loads and saves PNG files
Version: 1.6.47.git Version: 1.6.47
Libs: -L${libdir} -lpng16 Libs: -L${libdir} -lpng16
Cflags: -I${includedir} Cflags: -I${includedir}

2
scripts/pnglibconf.h.prebuilt
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@ -1,6 +1,6 @@
/* pnglibconf.h - library build configuration */ /* pnglibconf.h - library build configuration */
/* libpng version 1.6.47.git */ /* libpng version 1.6.47 */
/* Copyright (c) 2018-2025 Cosmin Truta */ /* Copyright (c) 2018-2025 Cosmin Truta */
/* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson */ /* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson */