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Imported from libpng-1.2.27beta03.tar

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This commit is contained in:
Glenn Randers-Pehrson 2008-04-14 09:26:03 -05:00
parent a1cd94bfbb
commit 7db798186c
52 changed files with 164 additions and 145 deletions
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43
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.2.27beta02 - April 14, 2008
Libpng 1.2.27beta03 - April 14, 2008
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@ -9,37 +9,37 @@ Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
libpng-1.2.27beta02.tar.gz
libpng-1.2.27beta02.tar.lzma
libpng-1.2.27beta03.tar.gz
libpng-1.2.27beta03.tar.lzma
(Get the lzma codec from <http://tukaani.org/lzma>).
libpng-1.2.27beta02.tar.bz2
libpng-1.2.27beta03.tar.bz2
Source files with LF line endings (for Unix/Linux) without the
"configure" script
libpng-1.2.27beta02-no-config.tar.gz
libpng-1.2.27beta02-no-config.tar.lzma
libpng-1.2.27beta02-no-config.tar.bz2
libpng-1.2.27beta03-no-config.tar.gz
libpng-1.2.27beta03-no-config.tar.lzma
libpng-1.2.27beta03-no-config.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
lp1227b02.zip
lp1227b02.7z
lp1227b02.tar.bz2
lp1227b03.zip
lp1227b03.7z
lp1227b03.tar.bz2
Project files
libpng-1.2.27beta02-project-netware.zip
libpng-1.2.27beta02-project-wince.zip
libpng-1.2.27beta03-project-netware.zip
libpng-1.2.27beta03-project-wince.zip
Other information:
libpng-1.2.27beta02-README.txt
libpng-1.2.27beta02-KNOWNBUGS.txt
libpng-1.2.27beta02-LICENSE.txt
libpng-1.2.27beta02-Y2K-compliance.txt
libpng-1.2.27beta02-[previous version]-diff.txt
libpng-1.2.27beta03-README.txt
libpng-1.2.27beta03-KNOWNBUGS.txt
libpng-1.2.27beta03-LICENSE.txt
libpng-1.2.27beta03-Y2K-compliance.txt
libpng-1.2.27beta03-[previous version]-diff.txt
Changes since the last public release (1.2.26):
@ -51,10 +51,17 @@ version 1.2.27beta01 [April 12, 2008]
Reject tRNS chunk with out-of-range samples instead of masking off
the invalid high bits as done in since libpng-1.2.19beta5.
version 1.2.27rc01 [April 14, 2008]
version 1.2.27beta02 [April 13, 2008]
Revised documentation about unknown chunk and user chunk handling.
Keep tRNS chunk with out-of-range samples and issue a png_warning().
version 1.2.27beta03 [April 14, 2008]
Added check for NULL ptr in TURBOC version of png_free_default().
Removed several unnecessary checks for NULL before calling png_free().
Revised png_set_tRNS() so that calling it twice removes and invalidates
the previous call.
Revised pngtest to check for out-of-range tRNS samples.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

9
CHANGES
View File

@ -2111,10 +2111,17 @@ version 1.2.27beta01 [April 12, 2008]
Reject tRNS chunk with out-of-range samples instead of masking off
the invalid high bits as done in since libpng-1.2.19beta5.
version 1.2.27beta02 [April 14, 2008]
version 1.2.27beta02 [April 13, 2008]
Revised documentation about unknown chunk and user chunk handling.
Keep tRNS chunk with out-of-range samples and issue a png_warning().
version 1.2.27beta03 [April 14, 2008]
Added check for NULL ptr in TURBOC version of png_free_default().
Removed several unnecessary checks for NULL before calling png_free().
Revised png_set_tRNS() so that calling it twice removes and invalidates
the previous call.
Revised pngtest to check for out-of-range tRNS samples.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement

16
INSTALL
View File

@ -1,5 +1,5 @@
Installing libpng version 1.2.27beta02 - April 14, 2008
Installing libpng version 1.2.27beta03 - April 14, 2008
On Unix/Linux and similar systems, you can simply type
@ -44,7 +44,7 @@ to have access to the zlib.h and zconf.h include files that
correspond to the version of zlib that's installed.
You can rename the directories that you downloaded (they
might be called "libpng-1.2.27beta02" or "lpng109" and "zlib-1.2.1"
might be called "libpng-1.2.27beta03" or "lpng109" and "zlib-1.2.1"
or "zlib121") so that you have directories called "zlib" and "libpng".
Your directory structure should look like this:
@ -101,9 +101,9 @@ include
CMakeLists.txt => "cmake" script
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng12.so.0.1.2.27beta02)
gcc, creates libpng12.so.0.1.2.27beta03)
makefile.linux => Linux/ELF makefile
(gcc, creates libpng12.so.0.1.2.27beta02)
(gcc, creates libpng12.so.0.1.2.27beta03)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
ansi2knr (Requires ansi2knr.c from
@ -125,14 +125,14 @@ include
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.sggcc => Silicon Graphics (gcc,
creates libpng12.so.0.1.2.27beta02)
creates libpng12.so.0.1.2.27beta03)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile (gcc,
creates libpng12.so.0.1.2.27beta02)
creates libpng12.so.0.1.2.27beta03)
makefile.solaris-x86 => Solaris/intelMMX 2.X makefile (gcc,
creates libpng12.so.0.1.2.27beta02)
creates libpng12.so.0.1.2.27beta03)
makefile.so9 => Solaris 9 makefile (gcc,
creates libpng12.so.0.1.2.27beta02)
creates libpng12.so.0.1.2.27beta03)
makefile.32sunu => Sun Ultra 32-bit makefile
makefile.64sunu => Sun Ultra 64-bit makefile
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc

2
KNOWNBUG
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@ -1,5 +1,5 @@
Known bugs in libpng version 1.2.27beta02
Known bugs in libpng version 1.2.27beta03
1. February 23, 2006: The custom makefiles don't build libpng with -lz.

2
LICENSE
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@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
If you modify libpng you may insert additional notices immediately following
this sentence.
libpng versions 1.2.6, August 15, 2004, through 1.2.27beta02, April 14, 2008, are
libpng versions 1.2.6, August 15, 2004, through 1.2.27beta03, April 14, 2008, are
Copyright (c) 2004, 2006-2008 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors

14
README
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@ -1,4 +1,4 @@
README for libpng version 1.2.27beta02 - April 14, 2008 (shared library 12.0)
README for libpng version 1.2.27beta03 - April 14, 2008 (shared library 12.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.
@ -191,11 +191,11 @@ Files in this distribution:
descrip.mms => VMS makefile for MMS or MMK
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng12.so.0.1.2.27beta02)
gcc, creates libpng12.so.0.1.2.27beta03)
makefile.linux => Linux/ELF makefile
(gcc, creates libpng12.so.0.1.2.27beta02)
(gcc, creates libpng12.so.0.1.2.27beta03)
makefile.gcmmx => Linux/ELF makefile
(gcc, creates libpng12.so.0.1.2.27beta02,
(gcc, creates libpng12.so.0.1.2.27beta03,
uses assembler code tuned for Intel MMX platform)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
@ -217,12 +217,12 @@ Files in this distribution:
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
makefile.sggcc => Silicon Graphics
(gcc, creates libpng12.so.0.1.2.27beta02)
(gcc, creates libpng12.so.0.1.2.27beta03)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile
(gcc, creates libpng12.so.0.1.2.27beta02)
(gcc, creates libpng12.so.0.1.2.27beta03)
makefile.so9 => Solaris 9 makefile
(gcc, creates libpng12.so.0.1.2.27beta02)
(gcc, creates libpng12.so.0.1.2.27beta03)
makefile.32sunu => Sun Ultra 32-bit makefile
makefile.64sunu => Sun Ultra 64-bit makefile
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc

2
Y2KINFO
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@ -7,7 +7,7 @@
an official declaration.
This is your unofficial assurance that libpng from version 0.71 and
upward through 1.2.27beta02 are Y2K compliant. It is my belief that earlier
upward through 1.2.27beta03 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant.
Libpng only has three year fields. One is a 2-byte unsigned integer

22
configure vendored
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@ -1,6 +1,6 @@
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.61 for libpng 1.2.27beta02.
# Generated by GNU Autoconf 2.61 for libpng 1.2.27beta03.
#
# Report bugs to <png-mng-implement@lists.sourceforge.net>.
#
@ -728,8 +728,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
# Identity of this package.
PACKAGE_NAME='libpng'
PACKAGE_TARNAME='libpng'
PACKAGE_VERSION='1.2.27beta02'
PACKAGE_STRING='libpng 1.2.27beta02'
PACKAGE_VERSION='1.2.27beta03'
PACKAGE_STRING='libpng 1.2.27beta03'
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
ac_unique_file="pngget.c"
@ -1406,7 +1406,7 @@ if test "$ac_init_help" = "long"; then
# Omit some internal or obsolete options to make the list less imposing.
# This message is too long to be a string in the A/UX 3.1 sh.
cat <<_ACEOF
\`configure' configures libpng 1.2.27beta02 to adapt to many kinds of systems.
\`configure' configures libpng 1.2.27beta03 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]...
@ -1476,7 +1476,7 @@ fi
if test -n "$ac_init_help"; then
case $ac_init_help in
short | recursive ) echo "Configuration of libpng 1.2.27beta02:";;
short | recursive ) echo "Configuration of libpng 1.2.27beta03:";;
esac
cat <<\_ACEOF
@ -1586,7 +1586,7 @@ fi
test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
cat <<\_ACEOF
libpng configure 1.2.27beta02
libpng configure 1.2.27beta03
generated by GNU Autoconf 2.61
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@ -1600,7 +1600,7 @@ cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
It was created by libpng $as_me 1.2.27beta02, which was
It was created by libpng $as_me 1.2.27beta03, which was
generated by GNU Autoconf 2.61. Invocation command line was
$ $0 $@
@ -2270,7 +2270,7 @@ fi
# Define the identity of the package.
PACKAGE='libpng'
VERSION='1.2.27beta02'
VERSION='1.2.27beta03'
cat >>confdefs.h <<_ACEOF
@ -2441,7 +2441,7 @@ fi
PNGLIB_VERSION=1.2.27beta02
PNGLIB_VERSION=1.2.27beta03
PNGLIB_MAJOR=1
PNGLIB_MINOR=2
PNGLIB_RELEASE=27
@ -21295,7 +21295,7 @@ exec 6>&1
# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
This file was extended by libpng $as_me 1.2.27beta02, which was
This file was extended by libpng $as_me 1.2.27beta03, which was
generated by GNU Autoconf 2.61. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
@ -21348,7 +21348,7 @@ Report bugs to <bug-autoconf@gnu.org>."
_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF
ac_cs_version="\\
libpng config.status 1.2.27beta02
libpng config.status 1.2.27beta03
configured by $0, generated by GNU Autoconf 2.61,
with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"

4
configure.ac
View File

@ -18,12 +18,12 @@ AC_PREREQ(2.59)
dnl Version number stuff here:
AC_INIT([libpng], [1.2.27beta02], [png-mng-implement@lists.sourceforge.net])
AC_INIT([libpng], [1.2.27beta03], [png-mng-implement@lists.sourceforge.net])
AM_INIT_AUTOMAKE
dnl stop configure from automagically running automake
AM_MAINTAINER_MODE
PNGLIB_VERSION=1.2.27beta02
PNGLIB_VERSION=1.2.27beta03
PNGLIB_MAJOR=1
PNGLIB_MINOR=2
PNGLIB_RELEASE=27

7
libpng-1.2.27beta02.txt → libpng-1.2.27beta03.txt
View File

@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng
libpng version 1.2.27beta02 - April 14, 2008
libpng version 1.2.27beta03 - April 14, 2008
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2008 Glenn Randers-Pehrson
@ -2438,6 +2438,9 @@ Your malloc_fn() must return NULL in case of failure. The png_malloc()
function will normally call png_error() if it receives a NULL from the
system memory allocator or from your replacement malloc_fn().
Your free_fn() will never be called with a NULL ptr, since libpng's
png_free() checks for NULL before calling free_fn().
Input/Output in libpng is done through png_read() and png_write(),
which currently just call fread() and fwrite(). The FILE * is stored in
png_struct and is initialized via png_init_io(). If you wish to change
@ -2849,7 +2852,7 @@ Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
This is your unofficial assurance that libpng from version 0.71 and
upward through 1.2.27beta02 are Y2K compliant. It is my belief that earlier
upward through 1.2.27beta03 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant.
Libpng only has three year fields. One is a 2-byte unsigned integer that

15
libpng.3
View File

@ -1,6 +1,6 @@
.TH LIBPNG 3 "April 14, 2008"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.27beta02
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.27beta03
.SH SYNOPSIS
\fB
#include <png.h>\fP
@ -410,7 +410,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
.SH LIBPNG.TXT
libpng.txt - A description on how to use and modify libpng
libpng version 1.2.27beta02 - April 14, 2008
libpng version 1.2.27beta03 - April 14, 2008
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2008 Glenn Randers-Pehrson
@ -2848,6 +2848,9 @@ Your malloc_fn() must return NULL in case of failure. The png_malloc()
function will normally call png_error() if it receives a NULL from the
system memory allocator or from your replacement malloc_fn().
Your free_fn() will never be called with a NULL ptr, since libpng's
png_free() checks for NULL before calling free_fn().
Input/Output in libpng is done through png_read() and png_write(),
which currently just call fread() and fwrite(). The FILE * is stored in
png_struct and is initialized via png_init_io(). If you wish to change
@ -3259,7 +3262,7 @@ Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
This is your unofficial assurance that libpng from version 0.71 and
upward through 1.2.27beta02 are Y2K compliant. It is my belief that earlier
upward through 1.2.27beta03 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant.
Libpng only has three year fields. One is a 2-byte unsigned integer that
@ -3481,7 +3484,7 @@ the first widely used release:
1.2.26rc01 13 10226 12.so.0.26[.0]
1.2.26 13 10226 12.so.0.26[.0]
1.0.32 10 10032 10.so.0.32[.0]
1.2.27beta01-02 13 10227 12.so.0.27[.0]
1.2.27beta01-03 13 10227 12.so.0.27[.0]
Henceforth the source version will match the shared-library minor
and patch numbers; the shared-library major version number will be
@ -3537,7 +3540,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.2.27beta02 - April 14, 2008:
Libpng version 1.2.27beta03 - April 14, 2008:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@ -3558,7 +3561,7 @@ included in the libpng distribution, the latter shall prevail.)
If you modify libpng you may insert additional notices immediately following
this sentence.
libpng versions 1.2.6, August 15, 2004, through 1.2.27beta02, April 14, 2008, are
libpng versions 1.2.6, August 15, 2004, through 1.2.27beta03, April 14, 2008, are
Copyright (c) 2004,2006-2008 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors

2
libpngpf.3
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@ -1,6 +1,6 @@
.TH LIBPNGPF 3 "April 14, 2008"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.27beta02
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.27beta03
(private functions)
.SH SYNOPSIS
\fB#include <png.h>\fP

4
png.c
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@ -13,7 +13,7 @@
#include "png.h"
/* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_2_27beta02 Your_png_h_is_not_version_1_2_27beta02;
typedef version_1_2_27beta03 Your_png_h_is_not_version_1_2_27beta03;
/* Version information for C files. This had better match the version
* string defined in png.h. */
@ -693,7 +693,7 @@ png_charp PNGAPI
png_get_copyright(png_structp png_ptr)
{
png_ptr = png_ptr; /* silence compiler warning about unused png_ptr */
return ((png_charp) "\n libpng version 1.2.27beta02 - April 14, 2008\n\
return ((png_charp) "\n libpng version 1.2.27beta03 - April 14, 2008\n\
Copyright (c) 1998-2008 Glenn Randers-Pehrson\n\
Copyright (c) 1996-1997 Andreas Dilger\n\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");

18
png.h
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@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.2.27beta02 - April 14, 2008
* libpng version 1.2.27beta03 - April 14, 2008
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@ -9,7 +9,7 @@
* Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.2.27beta02 - April 14, 2008: Glenn
* libpng versions 0.97, January 1998, through 1.2.27beta03 - April 14, 2008: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@ -183,7 +183,7 @@
* 1.2.26rc01 13 10226 12.so.0.26[.0]
* 1.2.26 13 10226 12.so.0.26[.0]
* 1.0.32 10 10032 10.so.0.32[.0]
* 1.2.27beta01-02 13 10227 12.so.0.27[.0]
* 1.2.27beta01-03 13 10227 12.so.0.27[.0]
*
* Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be
@ -213,7 +213,7 @@
* If you modify libpng you may insert additional notices immediately following
* this sentence.
*
* libpng versions 1.2.6, August 15, 2004, through 1.2.27beta02, April 14, 2008, are
* libpng versions 1.2.6, August 15, 2004, through 1.2.27beta03, April 14, 2008, are
* Copyright (c) 2004, 2006-2008 Glenn Randers-Pehrson, and are
* distributed according to the same disclaimer and license as libpng-1.2.5
* with the following individual added to the list of Contributing Authors:
@ -331,7 +331,7 @@
* an official declaration.
*
* This is your unofficial assurance that libpng from version 0.71 and
* upward through 1.2.27beta02 are Y2K compliant. It is my belief that earlier
* upward through 1.2.27beta03 are Y2K compliant. It is my belief that earlier
* versions were also Y2K compliant.
*
* Libpng only has three year fields. One is a 2-byte unsigned integer
@ -387,9 +387,9 @@
*/
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.2.27beta02"
#define PNG_LIBPNG_VER_STRING "1.2.27beta03"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.2.27beta02 - April 14, 2008\n"
" libpng version 1.2.27beta03 - April 14, 2008\n"
#define PNG_LIBPNG_VER_SONUM 0
#define PNG_LIBPNG_VER_DLLNUM 13
@ -401,7 +401,7 @@
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
#define PNG_LIBPNG_VER_BUILD 02
#define PNG_LIBPNG_VER_BUILD 03
/* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1
@ -1442,7 +1442,7 @@ struct png_struct_def
/* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number.
*/
typedef png_structp version_1_2_27beta02;
typedef png_structp version_1_2_27beta03;
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
*
* libpng version 1.2.27beta02 - April 14, 2008
* libpng version 1.2.27beta03 - April 14, 2008
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

4
pngmem.c
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@ -1,7 +1,7 @@
/* pngmem.c - stub functions for memory allocation
*
* Last changed in libpng 1.2.26 [April 2, 2008]
* Last changed in libpng 1.2.27 [April 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -293,7 +293,7 @@ png_free_default(png_structp png_ptr, png_voidp ptr)
{
#endif /* PNG_USER_MEM_SUPPORTED */
if(png_ptr == NULL) return;
if(png_ptr == NULL || ptr == NULL) return;
if (png_ptr->offset_table != NULL)
{

7
pngpread.c
View File

@ -1532,11 +1532,8 @@ png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32
else
#endif
png_set_unknown_chunks(png_ptr, info_ptr, &png_ptr->unknown_chunk, 1);
if (png_ptr->unknown_chunk.data)
{
png_free(png_ptr, png_ptr->unknown_chunk.data);
png_ptr->unknown_chunk.data = NULL;
}
png_free(png_ptr, png_ptr->unknown_chunk.data);
png_ptr->unknown_chunk.data = NULL;
}
else
#endif

2
pngrtran.c
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@ -1,7 +1,7 @@
/* pngrtran.c - transforms the data in a row for PNG readers
*
* Last changed in libpng 1.2.25 [February 18, 2008]
* Last changed in libpng 1.2.27 [April 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

15
pngrutil.c
View File

@ -2250,12 +2250,9 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
}
else
#endif
png_set_unknown_chunks(png_ptr, info_ptr, &png_ptr->unknown_chunk, 1);
if (png_ptr->unknown_chunk.data)
{
png_free(png_ptr, png_ptr->unknown_chunk.data);
png_ptr->unknown_chunk.data = NULL;
}
png_set_unknown_chunks(png_ptr, info_ptr, &png_ptr->unknown_chunk, 1);
png_free(png_ptr, png_ptr->unknown_chunk.data);
png_ptr->unknown_chunk.data = NULL;
}
else
#endif
@ -3151,8 +3148,7 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
if(row_bytes + 64 > png_ptr->old_big_row_buf_size)
{
if (png_ptr->big_row_buf)
png_free(png_ptr,png_ptr->big_row_buf);
png_free(png_ptr,png_ptr->big_row_buf);
png_ptr->big_row_buf = (png_bytep)png_malloc(png_ptr, row_bytes+64);
png_ptr->row_buf = png_ptr->big_row_buf+32;
png_ptr->old_big_row_buf_size = row_bytes+64;
@ -3167,8 +3163,7 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
if(png_ptr->rowbytes+1 > png_ptr->old_prev_row_size)
{
if (png_ptr->prev_row)
png_free(png_ptr,png_ptr->prev_row);
png_free(png_ptr,png_ptr->prev_row);
png_ptr->prev_row = (png_bytep)png_malloc(png_ptr, (png_uint_32)(
png_ptr->rowbytes + 1));
png_ptr->old_prev_row_size = png_ptr->rowbytes+1;

33
pngset.c
View File

@ -914,6 +914,8 @@ png_set_tRNS(png_structp png_ptr, png_infop info_ptr,
if (png_ptr == NULL || info_ptr == NULL)
return;
png_free_data(png_ptr, info_ptr, PNG_FREE_TRNS, 0);
if (trans != NULL)
{
/*
@ -921,19 +923,12 @@ png_set_tRNS(png_structp png_ptr, png_infop info_ptr,
* we do it for backward compatibility with the way the png_handle_tRNS
* function used to do the allocation.
*/
#ifdef PNG_FREE_ME_SUPPORTED
png_free_data(png_ptr, info_ptr, PNG_FREE_TRNS, 0);
#endif
/* Changed from num_trans to PNG_MAX_PALETTE_LENGTH in version 1.2.1 */
png_ptr->trans = info_ptr->trans = (png_bytep)png_malloc(png_ptr,
(png_uint_32)PNG_MAX_PALETTE_LENGTH);
if (num_trans <= PNG_MAX_PALETTE_LENGTH)
if (num_trans > 0 && num_trans <= PNG_MAX_PALETTE_LENGTH)
png_memcpy(info_ptr->trans, trans, (png_size_t)num_trans);
#ifdef PNG_FREE_ME_SUPPORTED
info_ptr->free_me |= PNG_FREE_TRNS;
#else
png_ptr->flags |= PNG_FLAG_FREE_TRNS;
#endif
}
if (trans_values != NULL)
@ -945,17 +940,24 @@ png_set_tRNS(png_structp png_ptr, png_infop info_ptr,
((int)trans_values->red > sample_max ||
(int)trans_values->green > sample_max ||
(int)trans_values->blue > sample_max)))
{
png_warning(png_ptr,
"tRNS chunk has out-of-range samples for bit_depth");
}
png_warning(png_ptr,
"tRNS chunk has out-of-range samples for bit_depth");
png_memcpy(&(info_ptr->trans_values), trans_values,
png_sizeof(png_color_16));
if (num_trans == 0)
num_trans = 1;
}
info_ptr->num_trans = (png_uint_16)num_trans;
info_ptr->valid |= PNG_INFO_tRNS;
if (num_trans != 0)
{
info_ptr->valid |= PNG_INFO_tRNS;
#ifdef PNG_FREE_ME_SUPPORTED
info_ptr->free_me |= PNG_FREE_TRNS;
#else
png_ptr->flags |= PNG_FLAG_FREE_TRNS;
#endif
}
}
#endif
@ -1207,8 +1209,7 @@ png_set_compression_buffer_size(png_structp png_ptr, png_uint_32 size)
{
if (png_ptr == NULL)
return;
if(png_ptr->zbuf)
png_free(png_ptr, png_ptr->zbuf);
png_free(png_ptr, png_ptr->zbuf);
png_ptr->zbuf_size = (png_size_t)size;
png_ptr->zbuf = (png_bytep)png_malloc(png_ptr, size);
png_ptr->zstream.next_out = png_ptr->zbuf;

21
pngtest.c
View File

@ -1,9 +1,9 @@
/* pngtest.c - a simple test program to test libpng
*
* Last changed in libpng 1.2.23 - [November 6, 2007]
* Last changed in libpng 1.2.27 - [April 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@ -689,8 +689,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
#endif
{
fprintf(STDERR, "%s -> %s: libpng read error\n", inname, outname);
if (row_buf)
png_free(read_ptr, row_buf);
png_free(read_ptr, row_buf);
png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr);
#ifdef PNG_WRITE_SUPPORTED
png_destroy_info_struct(write_ptr, &write_end_info_ptr);
@ -1024,8 +1023,16 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
if (png_get_tRNS(read_ptr, read_info_ptr, &trans, &num_trans,
&trans_values))
{
png_set_tRNS(write_ptr, write_info_ptr, trans, num_trans,
trans_values);
int sample_max = (1 << read_info_ptr->bit_depth);
/* libpng doesn't reject a tRNS chunk with out-of-range samples */
if (!((read_info_ptr->color_type == PNG_COLOR_TYPE_GRAY &&
(int)trans_values->gray > sample_max) ||
(read_info_ptr->color_type == PNG_COLOR_TYPE_RGB &&
((int)trans_values->red > sample_max ||
(int)trans_values->green > sample_max ||
(int)trans_values->blue > sample_max))))
png_set_tRNS(write_ptr, write_info_ptr, trans, num_trans,
trans_values);
}
}
#endif
@ -1553,4 +1560,4 @@ main(int argc, char *argv[])
}
/* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_2_27beta02 your_png_h_is_not_version_1_2_27beta02;
typedef version_1_2_27beta03 your_png_h_is_not_version_1_2_27beta03;

5
pngwutil.c
View File

@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
* Last changed in libpng 1.2.26 [April 2, 2008]
* Last changed in libpng 1.2.27 [April 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -1516,8 +1516,7 @@ png_write_iTXt(png_structp png_ptr, int compression, png_charp key,
png_write_chunk_end(png_ptr);
png_free(png_ptr, new_key);
if (new_lang)
png_free(png_ptr, new_lang);
png_free(png_ptr, new_lang);
}
#endif

2
scripts/CMakeLists.txt
View File

@ -169,7 +169,7 @@ configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
# SET UP LINKS
set_target_properties(${PNG_LIB_NAME} PROPERTIES
# VERSION 0.${PNGLIB_RELEASE}.1.2.27beta02
# VERSION 0.${PNGLIB_RELEASE}.1.2.27beta03
VERSION 0.${PNGLIB_RELEASE}.0
SOVERSION 0
CLEAN_DIRECT_OUTPUT 1)

2
scripts/libpng-config-head.in
View File

@ -8,7 +8,7 @@
# Modeled after libxml-config.
version=1.2.27beta02
version=1.2.27beta03
prefix=""
libdir=""
libs=""

2
scripts/libpng.pc-configure.in
View File

@ -5,6 +5,6 @@ includedir=@includedir@/libpng12
Name: libpng
Description: Loads and saves PNG files
Version: 1.2.27beta02
Version: 1.2.27beta03
Libs: -L${libdir} -lpng12
Cflags: -I${includedir} @LIBPNG_NO_MMX@

2
scripts/libpng.pc.in
View File

@ -5,6 +5,6 @@ includedir=@includedir@/libpng12
Name: libpng
Description: Loads and saves PNG files
Version: 1.2.27beta02
Version: 1.2.27beta03
Libs: -L${libdir} -lpng12
Cflags: -I${includedir}

2
scripts/makefile.32sunu
View File

@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.64sunu
View File

@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.aix
View File

@ -20,7 +20,7 @@ LN_SF = ln -f -s
LIBNAME=libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
prefix=/usr/local

2
scripts/makefile.beos
View File

@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.cygwin
View File

@ -74,7 +74,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME = libpng12
PNGMAJ = 0
CYGDLL = 12
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=cygpng$(CYGDLL).dll

2
scripts/makefile.darwin
View File

@ -19,7 +19,7 @@ ZLIBINC=../zlib
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.dec
View File

@ -5,7 +5,7 @@
# Library name:
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12

2
scripts/makefile.elf
View File

@ -12,7 +12,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.gcmmx
View File

@ -14,7 +14,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.hp64
View File

@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.hpgcc
View File

@ -8,7 +8,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.hpux
View File

@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.linux
View File

@ -6,7 +6,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.mingw
View File

@ -74,7 +74,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME = libpng12
PNGMAJ = 0
MINGDLL = 12
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=libpng$(MINGDLL).dll

2
scripts/makefile.ne12bsd
View File

@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng12
LIB= png12
SHLIB_MAJOR= 0
SHLIB_MINOR= 1.2.27beta02
SHLIB_MINOR= 1.2.27beta03
SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c

2
scripts/makefile.netbsd
View File

@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng
LIB= png
SHLIB_MAJOR= 3
SHLIB_MINOR= 1.2.27beta02
SHLIB_MINOR= 1.2.27beta03
SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c

2
scripts/makefile.nommx
View File

@ -7,7 +7,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.openbsd
View File

@ -8,7 +8,7 @@ LIBDIR= ${PREFIX}/lib
MANDIR= ${PREFIX}/man/cat
SHLIB_MAJOR= 0
SHLIB_MINOR= 1.2.27beta02
SHLIB_MINOR= 1.2.27beta03
LIB= png
SRCS= png.c pngerror.c pngget.c pngmem.c pngpread.c \

2
scripts/makefile.sco
View File

@ -9,7 +9,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.sggcc
View File

@ -6,7 +6,7 @@
# Library name:
LIBNAME=libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.sgi
View File

@ -6,7 +6,7 @@
# Library name:
LIBNAME=libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.so9
View File

@ -8,7 +8,7 @@
# Library name:
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12

2
scripts/makefile.solaris
View File

@ -8,7 +8,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.solaris-x86
View File

@ -8,7 +8,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
PNGMIN = 1.2.27beta02
PNGMIN = 1.2.27beta03
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/pngos2.def
View File

@ -2,7 +2,7 @@
; PNG.LIB module definition file for OS/2
;----------------------------------------
; Version 1.2.27beta02
; Version 1.2.27beta03
LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2"

2
scripts/pngw32.def
View File

@ -5,7 +5,7 @@
LIBRARY
EXPORTS
;Version 1.2.27beta02
;Version 1.2.27beta03
png_build_grayscale_palette @1
png_check_sig @2
png_chunk_error @3