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Imported from libpng-1.4.0beta24.tar

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This commit is contained in:
Glenn Randers-Pehrson 2008-07-25 08:51:18 -05:00
parent 72b633026b
commit 895a9c97e2
60 changed files with 262 additions and 219 deletions
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42
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.4.0beta23 - July 22, 2008
Libpng 1.4.0beta24 - July 25, 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.
@ -9,27 +9,27 @@ Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
1.4.0beta23.tar.gz
1.4.0beta23.tar.bz2
1.4.0beta24.tar.gz
1.4.0beta24.tar.bz2
Source files with LF line endings (for Unix/Linux) without the
"configure" script
1.4.0beta23-no-config.tar.gz
1.4.0beta23-no-config.tar.bz2
1.4.0beta24-no-config.tar.gz
1.4.0beta24-no-config.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
lp140b23.zip
lp140b23.tar.bz2
lp140b24.zip
lp140b24.tar.bz2
Other information:
1.4.0beta23-README.txt
1.4.0beta23-KNOWNBUGS.txt
1.4.0beta23-LICENSE.txt
1.4.0beta23-Y2K-compliance.txt
1.4.0beta24-README.txt
1.4.0beta24-KNOWNBUGS.txt
1.4.0beta24-LICENSE.txt
1.4.0beta24-Y2K-compliance.txt
Changes since the last public release (1.2.10):
@ -252,9 +252,25 @@ version 1.4.0beta20 [July 9, 2008]
Revised makefile.mingw
Prefer PNG_USE_PNGVCRD when _MSC_VER is defined in pngconf.h
version 1.4.0beta21 [July 22, 2008]
version 1.4.0beta21 [July 21, 2008]
Moved local array "chunkdata" from pngrutil.c to the png_struct, so
it will be freed by png_read_destroy() in case of a read error.
it will be freed by png_read_destroy() in case of a read error (Kurt
Christensen).
version 1.4.0beta22 [July 21, 2008]
Change "purpose" and "buffer" to png_ptr->chunkdata to avoid memory leaking.
version 1.4.0beta23 [July 22, 2008]
Change "chunkdata = NULL" to "png_ptr->chunkdata = NULL" several places in
png_decompress_chunk().
version 1.4.0beta24 [July 25, 2008]
Change all remaining "chunkdata" to "png_ptr->chunkdata" in
png_decompress_chunk(), and remove "chunkdata" from parameter list.
Put a call to png_check_chunk_name() in png_read_chunk_header().
Revised png_check_chunk_name() to reject a name with a lowercase 3rd byte.
Removed two calls to png_check_chunk_name() occuring later in the process.
Define PNG_NO_ERROR_NUMBERS by default in pngconf.h
version 1.4.0betaN [future]
Build shared libraries with -lz and sometimes -lm.

11
CHANGES
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@ -1927,7 +1927,8 @@ version 1.4.0beta20 [July 9, 2008]
version 1.4.0beta21 [July 21, 2008]
Moved local array "chunkdata" from pngrutil.c to the png_struct, so
it will be freed by png_read_destroy() in case of a read error.
it will be freed by png_read_destroy() in case of a read error (Kurt
Christensen).
version 1.4.0beta22 [July 21, 2008]
Change "purpose" and "buffer" to png_ptr->chunkdata to avoid memory leaking.
@ -1936,6 +1937,14 @@ version 1.4.0beta23 [July 22, 2008]
Change "chunkdata = NULL" to "png_ptr->chunkdata = NULL" several places in
png_decompress_chunk().
version 1.4.0beta24 [July 25, 2008]
Change all remaining "chunkdata" to "png_ptr->chunkdata" in
png_decompress_chunk(), and remove "chunkdata" from parameter list.
Put a call to png_check_chunk_name() in png_read_chunk_header().
Revised png_check_chunk_name() to reject a name with a lowercase 3rd byte.
Removed two calls to png_check_chunk_name() occuring later in the process.
Define PNG_NO_ERROR_NUMBERS by default in pngconf.h
version 1.4.0betaN [future]
Build shared libraries with -lz and sometimes -lm.

18
INSTALL
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@ -1,5 +1,5 @@
Installing libpng version 1.4.0beta23 - July 22, 2008
Installing libpng version 1.4.0beta24 - July 25, 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-1.4.0beta23" or "lpng109" and "zlib-1.2.1"
might be called "libpng-1.4.0beta24" 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:
@ -95,14 +95,14 @@ include
CMakeLists.txt => "cmake" script
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng14.so.1.1.4.0beta23)
gcc, creates libpng14.so.1.1.4.0beta24)
makefile.linux => Linux/ELF makefile
(gcc, creates libpng14.so.1.1.4.0beta23)
(gcc, creates libpng14.so.1.1.4.0beta24)
makefile.gcmmx => Linux/ELF makefile
(gcc, creates libpng14.so.1.1.4.0beta23,
(gcc, creates libpng14.so.1.1.4.0beta24,
uses assembler code tuned for Intel MMX platform)
makefile.nommx => Linux/ELF makefile
(gcc, creates libpng14.so.1.1.4.0beta23
(gcc, creates libpng14.so.1.1.4.0beta24
does not use Intel MMX assembler code)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
@ -125,12 +125,12 @@ include
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.sggcc => Silicon Graphics (gcc,
creates libpng14.so.1.1.4.0beta23)
creates libpng14.so.1.1.4.0beta24)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile (gcc,
creates libpng14.so.1.1.4.0beta23)
creates libpng14.so.1.1.4.0beta24)
makefile.so9 => Solaris 9 makefile (gcc,
creates libpng14.so.1.1.4.0beta23)
creates libpng14.so.1.1.4.0beta24)
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 1.4.0beta23
Known bugs in libpng version 1.4.0beta24
1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when
reading interlaced PNG files, when assembler code is enabled but running

4
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 1.4.0beta23, July 22, 2008, are
libpng versions 1.2.6, August 15, 2004, through 1.4.0beta24, July 25, 2008, are
Copyright (c) 2004, 2006-2007 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
@ -106,4 +106,4 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
July 22, 2008
July 25, 2008

14
README
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@ -1,4 +1,4 @@
README for libpng version 1.4.0beta23 - July 22, 2008 (shared library 14.0)
README for libpng version 1.4.0beta24 - July 25, 2008 (shared library 14.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.
@ -184,11 +184,11 @@ 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 libpng14.so.1.1.4.0beta23)
gcc, creates libpng14.so.1.1.4.0beta24)
makefile.linux => Linux/ELF makefile
(gcc, creates libpng14.so.1.1.4.0beta23)
(gcc, creates libpng14.so.1.1.4.0beta24)
makefile.gcmmx => Linux/ELF makefile
(gcc, creates libpng14.so.1.1.4.0beta23,
(gcc, creates libpng14.so.1.1.4.0beta24,
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
@ -210,12 +210,12 @@ Files in this distribution:
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
makefile.sggcc => Silicon Graphics
(gcc, creates libpng14.so.1.1.4.0beta23)
(gcc, creates libpng14.so.1.1.4.0beta24)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile
(gcc, creates libpng14.so.1.1.4.0beta23)
(gcc, creates libpng14.so.1.1.4.0beta24)
makefile.so9 => Solaris 9 makefile
(gcc, creates libpng14.so.1.1.4.0beta23)
(gcc, creates libpng14.so.1.1.4.0beta24)
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

20
configure vendored
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@ -728,8 +728,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
# Identity of this package.
PACKAGE_NAME='libpng'
PACKAGE_TARNAME='libpng'
PACKAGE_VERSION='1.4.0beta23'
PACKAGE_STRING='libpng 1.4.0beta23'
PACKAGE_VERSION='1.4.0beta24'
PACKAGE_STRING='libpng 1.4.0beta24'
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
ac_unique_file="pngget.c"
@ -1404,7 +1404,7 @@ if test "$ac_init_help" = "long"; then
# Omit some internal or obsolete options to make the list less imposing.
# This message is too long to be a string in the A/UX 3.1 sh.
cat <<_ACEOF
\`configure' configures libpng 1.4.0beta23 to adapt to many kinds of systems.
\`configure' configures libpng 1.4.0beta24 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]...
@ -1474,7 +1474,7 @@ fi
if test -n "$ac_init_help"; then
case $ac_init_help in
short | recursive ) echo "Configuration of libpng 1.4.0beta23:";;
short | recursive ) echo "Configuration of libpng 1.4.0beta24:";;
esac
cat <<\_ACEOF
@ -1584,7 +1584,7 @@ fi
test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
cat <<\_ACEOF
libpng configure 1.4.0beta23
libpng configure 1.4.0beta24
generated by GNU Autoconf 2.61
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@ -1598,7 +1598,7 @@ cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
It was created by libpng $as_me 1.4.0beta23, which was
It was created by libpng $as_me 1.4.0beta24, which was
generated by GNU Autoconf 2.61. Invocation command line was
$ $0 $@
@ -2268,7 +2268,7 @@ fi
# Define the identity of the package.
PACKAGE='libpng'
VERSION='1.4.0beta23'
VERSION='1.4.0beta24'
cat >>confdefs.h <<_ACEOF
@ -2439,7 +2439,7 @@ fi
PNGLIB_VERSION=1.4.0beta23
PNGLIB_VERSION=1.4.0beta24
PNGLIB_MAJOR=14
PNGLIB_MINOR=0
@ -21119,7 +21119,7 @@ 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 1.4.0beta23, which was
This file was extended by libpng $as_me 1.4.0beta24, which was
generated by GNU Autoconf 2.61. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
@ -21172,7 +21172,7 @@ Report bugs to <bug-autoconf@gnu.org>."
_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF
ac_cs_version="\\
libpng config.status 1.4.0beta23
libpng config.status 1.4.0beta24
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], [1.4.0beta23], [png-mng-implement@lists.sourceforge.net])
AC_INIT([libpng], [1.4.0beta24], [png-mng-implement@lists.sourceforge.net])
AM_INIT_AUTOMAKE
dnl stop configure from automagically running automake
AM_MAINTAINER_MODE
PNGLIB_VERSION=1.4.0beta23
PNGLIB_VERSION=1.4.0beta24
PNGLIB_MAJOR=14
PNGLIB_MINOR=0

6
example.c
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@ -2,7 +2,7 @@
#if 0 /* in case someone actually tries to compile this */
/* example.c - an example of using libpng
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 2008]
* This file has been placed in the public domain by the authors.
* Maintained 1998-2008 Glenn Randers-Pehrson
* Maintained 1996, 1997 Andreas Dilger)
@ -793,13 +793,13 @@ void write_png(char *file_name /* , ... other image information ... */)
allocated it with malloc() instead of png_malloc(), use free() instead
of png_free(). */
png_free(png_ptr, palette);
palette=NULL;
palette = NULL;
/* Similarly, if you png_malloced any data that you passed in with
png_set_something(), such as a hist or trans array, free it here,
when you can be sure that libpng is through with it. */
png_free(png_ptr, trans);
trans=NULL;
trans = NULL;
/* clean up after the write, and free any memory allocated */
png_destroy_write_struct(&png_ptr, &info_ptr);

6
libpng-1.4.0beta23.txt → libpng-1.4.0beta24.txt
View File

@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng
libpng version 1.4.0beta23 - July 22, 2008
libpng version 1.4.0beta24 - July 25, 2008
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson
@ -2917,13 +2917,13 @@ application:
IX. Y2K Compliance in libpng
July 22, 2008
July 25, 2008
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
This is your unofficial assurance that libpng from version 0.71 and
upward through 1.4.0beta23 are Y2K compliant. It is my belief that earlier
upward through 1.4.0beta24 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

16
libpng.3
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@ -1,6 +1,6 @@
.TH LIBPNG 3 "July 22, 2008"
.TH LIBPNG 3 "July 25, 2008"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta23
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta24
.SH SYNOPSIS
\fI\fB
@ -797,7 +797,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
.SH LIBPNG.TXT
libpng.txt - A description on how to use and modify libpng
libpng version 1.4.0beta23 - July 22, 2008
libpng version 1.4.0beta24 - July 25, 2008
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson
@ -3714,13 +3714,13 @@ application:
.SH IX. Y2K Compliance in libpng
July 22, 2008
July 25, 2008
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
This is your unofficial assurance that libpng from version 0.71 and
upward through 1.4.0beta23 are Y2K compliant. It is my belief that earlier
upward through 1.4.0beta24 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
@ -3943,7 +3943,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.4.0beta23 - July 22, 2008:
Libpng version 1.4.0beta24 - July 25, 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).
@ -3964,7 +3964,7 @@ 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 1.4.0beta23, July 22, 2008, are
libpng versions 1.2.6, August 15, 2004, through 1.4.0beta24, July 25, 2008, are
Copyright (c) 2004,2006-2007 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
@ -4063,7 +4063,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
July 22, 2008
July 25, 2008
.\" end of man page

6
libpngpf.3
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@ -1,6 +1,6 @@
.TH LIBPNGPF 3 "July 22, 2008"
.TH LIBPNGPF 3 "July 25, 2008"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta23
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta24
(private functions)
.SH SYNOPSIS
\fB#include <png.h>\fP
@ -81,7 +81,7 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta23
\fI\fB
\fBpng_charp png_decompress_chunk (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcomp_type\fP\fB, png_charp \fP\fIchunkdata\fP\fB, png_size_t \fP\fIchunklength\fP\fB, png_size_t \fP\fIprefix_length\fP\fB, png_size_t \fI*data_length\fP\fB);\fP
\fBvoid png_decompress_chunk (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcomp_type\fP\fB, png_size_t \fP\fIchunklength\fP\fB, png_size_t \fP\fIprefix_length\fP\fB, png_size_t \fI*data_length\fP\fB);\fP
\fI\fB

2
png.5
View File

@ -1,4 +1,4 @@
.TH PNG 5 "July 22, 2008"
.TH PNG 5 "July 25, 2008"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION

14
png.c
View File

@ -1,7 +1,7 @@
/* png.c - location for general purpose libpng functions
*
* Last changed in libpng 1.2.30 [July 22, 2008]
* Last changed in libpng 1.2.30 [July 25, 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)
@ -13,7 +13,7 @@
#include "pngpriv.h"
/* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_4_0beta23 Your_png_h_is_not_version_1_4_0beta23;
typedef version_1_4_0beta24 Your_png_h_is_not_version_1_4_0beta24;
/* Version information for C files. This had better match the version
* string defined in png.h. */
@ -337,11 +337,11 @@ if ((mask & PNG_FREE_TRNS) && (png_ptr->flags & PNG_FLAG_FREE_TRNS))
#endif
{
png_free(png_ptr, info_ptr->trans);
info_ptr->trans = NULL;
info_ptr->valid &= ~PNG_INFO_tRNS;
#ifndef PNG_FREE_ME_SUPPORTED
png_ptr->flags &= ~PNG_FLAG_FREE_TRNS;
#endif
info_ptr->trans = NULL;
}
#endif
@ -447,6 +447,7 @@ if (mask & PNG_FREE_SPLT)
png_free(png_ptr, png_ptr->unknown_chunk.data);
png_ptr->unknown_chunk.data = NULL;
}
#ifdef PNG_FREE_ME_SUPPORTED
if ((mask & PNG_FREE_UNKN) & info_ptr->free_me)
#else
@ -525,10 +526,8 @@ if (mask & PNG_FREE_ROWS)
for (row = 0; row < (int)info_ptr->height; row++)
{
png_free(png_ptr, info_ptr->row_pointers[row]);
info_ptr->row_pointers[row]=NULL;
}
png_free(png_ptr, info_ptr->row_pointers);
info_ptr->row_pointers=NULL;
}
info_ptr->valid &= ~PNG_INFO_IDAT;
}
@ -557,8 +556,7 @@ png_info_destroy(png_structp png_ptr, png_infop info_ptr)
if (png_ptr->num_chunk_list)
{
png_free(png_ptr, png_ptr->chunk_list);
png_ptr->chunk_list=NULL;
png_ptr->num_chunk_list=0;
png_ptr->num_chunk_list = 0;
}
#endif
@ -638,7 +636,7 @@ 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 1.4.0beta23 - July 22, 2008\n\
return ((png_charp) "\n libpng version 1.4.0beta24 - July 25, 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 1.4.0beta23 - July 22, 2008
* libpng version 1.4.0beta24 - July 25, 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 1.4.0beta23 - July 22, 2008: Glenn
* libpng versions 0.97, January 1998, through 1.4.0beta24 - July 25, 2008: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@ -156,7 +156,7 @@
* If you modify libpng you may insert additional notices immediately following
* this sentence.
*
* libpng versions 1.2.6, August 15, 2004, through 1.4.0beta23, July 22, 2008, are
* libpng versions 1.2.6, August 15, 2004, through 1.4.0beta24, July 25, 2008, are
* Copyright (c) 2004, 2006-2007 Glenn Randers-Pehrson, and are
* distributed according to the same disclaimer and license as libpng-1.2.5
* with the following individual added to the list of Contributing Authors:
@ -274,7 +274,7 @@
* an official declaration.
*
* This is your unofficial assurance that libpng from version 0.71 and
* upward through 1.4.0beta23 are Y2K compliant. It is my belief that earlier
* upward through 1.4.0beta24 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
@ -330,9 +330,9 @@
*/
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.4.0beta23"
#define PNG_LIBPNG_VER_STRING "1.4.0beta24"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.4.0beta23 - July 22, 2008\n"
" libpng version 1.4.0beta24 - July 25, 2008\n"
#define PNG_LIBPNG_VER_SONUM 1
#define PNG_LIBPNG_VER_DLLNUM 14
@ -344,7 +344,7 @@
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
#define PNG_LIBPNG_VER_BUILD 23
#define PNG_LIBPNG_VER_BUILD 24
/* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1
@ -1347,7 +1347,7 @@ struct png_struct_def
/* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number.
*/
typedef png_structp version_1_4_0beta23;
typedef png_structp version_1_4_0beta24;
typedef png_struct FAR * FAR * png_structpp;
@ -1905,6 +1905,8 @@ extern PNG_EXPORT(png_voidp,png_malloc_warn) PNGARG((png_structp png_ptr,
/* Frees a pointer allocated by png_malloc() */
extern PNG_EXPORT(void,png_free) PNGARG((png_structp png_ptr, png_voidp ptr));
extern PNG_EXPORT(void,png_freeptr) PNGARG((png_structp png_ptr,
png_voidp *ptr));
/* Free data that was allocated internally */
extern PNG_EXPORT(void,png_free_data) PNGARG((png_structp png_ptr,

4
pngconf.h
View File

@ -628,9 +628,7 @@
#endif /* PNG_WRITE_SUPPORTED */
#ifndef PNG_NO_ERROR_NUMBERS
# define PNG_ERROR_NUMBERS_SUPPORTED
#endif
#define PNG_NO_ERROR_NUMBERS
#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)

52
pngerror.c
View File

@ -1,7 +1,7 @@
/* pngerror.c - stub functions for i/o and memory allocation
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 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)
@ -44,16 +44,23 @@ png_error(png_structp png_ptr, png_const_charp error_message)
{
if (*error_message == '#')
{
/*
* 012345678901234567890
* error_message: #nnnn text\0
* error_number: nnnn\0
* offset points to the first blank after nnnn
* In this example, offset is 5.
*/
int offset;
for (offset = 1; offset<15; offset++)
if (*(error_message + offset) == ' ')
if (error_message[offset] == ' ')
break;
if (png_ptr->flags&PNG_FLAG_STRIP_ERROR_TEXT)
{
int i;
for (i=0; i<offset - 1; i++)
msg[i]=error_message[i+1];
msg[i]='\0';
for (i = 0; i < offset - 1; i++)
msg[i] = error_message[i + 1];
msg[i] = '\0';
error_message = msg;
}
else
@ -63,9 +70,9 @@ png_error(png_structp png_ptr, png_const_charp error_message)
{
if (png_ptr->flags&PNG_FLAG_STRIP_ERROR_TEXT)
{
msg[0]='0';
msg[1]='\0';
error_message=msg;
msg[0] = '0';
msg[1] = '\0';
error_message = msg;
}
}
}
@ -110,8 +117,8 @@ png_warning(png_structp png_ptr, png_const_charp warning_message)
{
if (*warning_message == '#')
{
for (offset = 1; offset<15; offset++)
if (*(warning_message + offset) == ' ')
for (offset = 1; offset < 15; offset++)
if (warning_message[offset] == ' ')
break;
}
}
@ -238,17 +245,26 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
#ifdef PNG_ERROR_NUMBERS_SUPPORTED
if (*error_message == '#')
{
/*
* 012345678901234567890
* error_message: #nnnn text\0
* error_number: nnnn\0
* offset points to the first blank after nnnn
* In this example, offset is 5, and we want to
* insert a terminating NULL at error_number[4].
*/
int offset;
char error_number[16];
for (offset=0; offset<15; offset++)
for (offset = 0; offset<15; offset++)
{
error_number[offset] = *(error_message + offset + 1);
if (*(error_message + offset) == ' ')
error_number[offset] = error_message[offset + 1];
if (error_message[offset] == ' ')
break;
}
if ((offset > 1) && (offset < 15))
{
error_number[offset - 1]='\0';
error_number[offset - 1] = '\0'; /* should this be [offset + 1]? */
/* should we update "offset" to point to the beginning of the text? */
fprintf(stderr, "libpng error no. %s: %s\n", error_number,
error_message + offset);
}
@ -296,15 +312,15 @@ png_default_warning(png_structp png_ptr, png_const_charp warning_message)
{
int offset;
char warning_number[16];
for (offset=0; offset<15; offset++)
for (offset = 0; offset < 15; offset++)
{
warning_number[offset]=*(warning_message + offset + 1);
if (*(warning_message + offset) == ' ')
warning_number[offset] = warning_message[offset + 1];
if (warning_message[offset] == ' ')
break;
}
if ((offset > 1) && (offset < 15))
{
warning_number[offset + 1]='\0';
warning_number[offset + 1] = '\0';
fprintf(stderr, "libpng warning no. %s: %s\n", warning_number,
warning_message + offset);
}

2
pngget.c
View File

@ -1,7 +1,7 @@
/* pngget.c - retrieval of values from info struct
*
* Last changed in libpng 1.40. [July 22, 2008]
* Last changed in libpng 1.40. [July 25, 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)

14
pngmem.c
View File

@ -1,7 +1,7 @@
/* pngmem.c - stub functions for memory allocation
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 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)
@ -272,6 +272,7 @@ png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
/* free a pointer allocated by png_malloc(). In the default
configuration, png_ptr is not used, but is passed in case it
is needed. If ptr is NULL, return without taking any action. */
void PNGAPI
png_free(png_structp png_ptr, png_voidp ptr)
{
@ -540,7 +541,7 @@ png_malloc_warn(png_structp png_ptr, png_alloc_size_t size)
png_uint_32 save_flags;
if (png_ptr == NULL) return (NULL);
save_flags=png_ptr->flags;
save_flags = png_ptr->flags;
png_ptr->flags|=PNG_FLAG_MALLOC_NULL_MEM_OK;
ptr = (png_voidp)png_malloc((png_structp)png_ptr, size);
png_ptr->flags=save_flags;
@ -556,10 +557,11 @@ void PNGAPI
png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr
malloc_fn, png_free_ptr free_fn)
{
if (png_ptr != NULL) {
png_ptr->mem_ptr = mem_ptr;
png_ptr->malloc_fn = malloc_fn;
png_ptr->free_fn = free_fn;
if (png_ptr != NULL)
{
png_ptr->mem_ptr = mem_ptr;
png_ptr->malloc_fn = malloc_fn;
png_ptr->free_fn = free_fn;
}
}

10
pngpread.c
View File

@ -1,7 +1,7 @@
/* pngpread.c - read a png file in push mode
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 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)
@ -1460,8 +1460,11 @@ void /* PRIVATE */
png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32
length)
{
png_uint_32 skip=0;
png_uint_32 skip = 0;
#if 0
/* Redundant? */
png_check_chunk_name(png_ptr, png_ptr->chunk_name);
#endif
if (!(png_ptr->chunk_name[0] & 0x20))
{
@ -1492,7 +1495,8 @@ png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32
png_memcpy((png_charp)png_ptr->unknown_chunk.name,
(png_charp)png_ptr->chunk_name,
png_sizeof(png_ptr->unknown_chunk.name));
png_ptr->unknown_chunk.name[png_sizeof(png_ptr->unknown_chunk.name)-1]='\0';
png_ptr->unknown_chunk.name[png_sizeof(png_ptr->unknown_chunk.name) - 1]
= '\0';
png_ptr->unknown_chunk.size = (png_size_t)length;
if (length == 0)

8
pngpriv.h
View File

@ -1,7 +1,7 @@
/* pngpriv.h - private declarations for use inside libpng
*
* libpng version 1.4.0beta23 - July 22, 2008
* libpng version 1.4.0beta24 - July 25, 2008
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -344,9 +344,9 @@ PNG_EXTERN void png_crc_read PNGARG((png_structp png_ptr, png_bytep buf,
/* Decompress data in a chunk that uses compression */
#if defined(PNG_zTXt_SUPPORTED) || defined(PNG_iTXt_SUPPORTED) || \
defined(PNG_iCCP_SUPPORTED) || defined(PNG_sPLT_SUPPORTED)
PNG_EXTERN png_charp png_decompress_chunk PNGARG((png_structp png_ptr,
int comp_type, png_charp chunkdata, png_size_t chunklength,
png_size_t prefix_length, png_size_t *data_length));
PNG_EXTERN void png_decompress_chunk PNGARG((png_structp png_ptr,
int comp_type, png_size_t chunklength, png_size_t prefix_length,
png_size_t *data_length));
#endif
/* Read "skip" bytes, read the file crc, and (optionally) verify png_ptr->crc */

21
pngread.c
View File

@ -1,7 +1,7 @@
/* pngread.c - read a PNG file
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 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)
@ -68,7 +68,7 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
#endif
{
png_free(png_ptr, png_ptr->zbuf);
png_ptr->zbuf=NULL;
png_ptr->zbuf = NULL;
#ifdef PNG_USER_MEM_SUPPORTED
png_destroy_struct_2((png_voidp)png_ptr,
(png_free_ptr)free_fn, (png_voidp)mem_ptr);
@ -90,7 +90,7 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
if (user_png_ver)
{
i=0;
i = 0;
do
{
if (user_png_ver[i] != png_libpng_ver[i])
@ -127,7 +127,7 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
png_warning(png_ptr, msg);
#endif
#ifdef PNG_ERROR_NUMBERS_SUPPORTED
png_ptr->flags=0;
png_ptr->flags = 0;
#endif
png_error(png_ptr,
"Incompatible libpng version in application and library");
@ -181,7 +181,7 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
jmp_buf tmp_jmp; /* to save current jump buffer */
#endif
int i=0;
int i = 0;
png_structp png_ptr=*ptr_ptr;
@ -194,7 +194,7 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
#ifdef PNG_LEGACY_SUPPORTED
png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH;
#else
png_ptr->warning_fn=NULL;
png_ptr->warning_fn = NULL;
png_warning(png_ptr,
"Application uses deprecated png_read_init() and should be recompiled");
break;
@ -352,7 +352,7 @@ png_read_info(png_structp png_ptr, png_infop info_ptr)
#endif
#endif /* PNG_USE_LOCAL_ARRAYS */
png_uint_32 length = png_read_chunk_header(png_ptr);
png_bytep chunk_name = png_ptr->chunk_name;
PNG_CONST png_bytep chunk_name = png_ptr->chunk_name;
/* This should be a binary subdivision search or a hash for
* matching the chunk name rather than a linear search.
@ -849,9 +849,6 @@ png_read_image(png_structp png_ptr, png_bytepp image)
void PNGAPI
png_read_end(png_structp png_ptr, png_infop info_ptr)
{
png_bytep chunk_name;
png_uint_32 length;
png_debug(1, "in png_read_end\n");
if (png_ptr == NULL) return;
png_crc_finish(png_ptr, 0); /* Finish off CRC from last IDAT chunk */
@ -915,8 +912,8 @@ png_read_end(png_structp png_ptr, png_infop info_ptr)
PNG_CONST PNG_zTXt;
#endif
#endif /* PNG_USE_LOCAL_ARRAYS */
length = png_read_chunk_header(png_ptr);
chunk_name = png_ptr->chunk_name;
png_uint_32 length = png_read_chunk_header(png_ptr);
PNG_CONST png_bytep chunk_name = png_ptr->chunk_name;
if (!png_memcmp(chunk_name, png_IHDR, 4))
png_handle_IHDR(png_ptr, info_ptr, length);

2
pngrio.c
View File

@ -1,7 +1,7 @@
/* pngrio.c - functions for data input
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 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
pngrtran.c
View File

@ -1,7 +1,7 @@
/* pngrtran.c - transforms the data in a row for PNG readers
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 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)
@ -274,7 +274,7 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
}
}
png_free(png_ptr, png_ptr->dither_sort);
png_ptr->dither_sort=NULL;
png_ptr->dither_sort = NULL;
}
else
{
@ -292,7 +292,7 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
png_dsortp t;
png_dsortpp hash;
t=NULL;
t = NULL;
/* initialize palette index arrays */
png_ptr->index_to_palette = (png_bytep)png_malloc(png_ptr,
@ -436,8 +436,8 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
png_free(png_ptr, hash);
png_free(png_ptr, png_ptr->palette_to_index);
png_free(png_ptr, png_ptr->index_to_palette);
png_ptr->palette_to_index=NULL;
png_ptr->index_to_palette=NULL;
png_ptr->palette_to_index = NULL;
png_ptr->index_to_palette = NULL;
}
num_palette = maximum_colors;
}
@ -2198,10 +2198,9 @@ png_do_gray_to_rgb(png_row_infop row_info, png_bytep row)
/* reduce RGB files to grayscale, with or without alpha
* using the equation given in Poynton's ColorFAQ at
* <http://www.inforamp.net/~poynton/> (THIS LINK IS DEAD June 2008)
* Copyright (c) 1998-01-04 Charles Poynton poynton at inforamp.net
* New links:
* New link:
* <http://www.poynton.com/notes/colour_and_gamma/>
* Copyright (c) 2006-11-28 Charles Poynton poynton at poynton.com
* Charles Poynton poynton at poynton.com
*
* Y = 0.212671 * R + 0.715160 * G + 0.072169 * B
*

56
pngrutil.c
View File

@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 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)
@ -102,6 +102,9 @@ png_read_chunk_header(png_structp png_ptr)
png_reset_crc(png_ptr);
png_calculate_crc(png_ptr, png_ptr->chunk_name, 4);
/* check to see if chunk name is valid */
png_check_chunk_name(png_ptr, png_ptr->chunk_name);
#ifdef PNG_IO_STATE_SUPPORTED
/* Inform the I/O callback that chunk data will (possibly) be read.
* PNG_IO_CHUNK_DATA does NOT require a specific number of I/O calls.
@ -207,9 +210,9 @@ png_crc_error(png_structp png_ptr)
* holding the original prefix part and an uncompressed version of the
* trailing part (the malloc area passed in is freed).
*/
png_charp /* PRIVATE */
void /* PRIVATE */
png_decompress_chunk(png_structp png_ptr, int comp_type,
png_charp chunkdata, png_size_t chunklength,
png_size_t chunklength,
png_size_t prefix_size, png_size_t *newlength)
{
static PNG_CONST char msg[] = "Error decoding compressed text";
@ -219,7 +222,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
if (comp_type == PNG_COMPRESSION_TYPE_BASE)
{
int ret = Z_OK;
png_ptr->zstream.next_in = (png_bytep)(chunkdata + prefix_size);
png_ptr->zstream.next_in = (png_bytep)(png_ptr->chunkdata + prefix_size);
png_ptr->zstream.avail_in = (uInt)(chunklength - prefix_size);
png_ptr->zstream.next_out = png_ptr->zbuf;
png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
@ -245,17 +248,18 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
text = (png_charp)png_malloc_warn(png_ptr, text_size);
if (text == NULL)
{
png_free(png_ptr, chunkdata);
png_free(png_ptr, png_ptr->chunkdata);
png_ptr->chunkdata = NULL;
png_error(png_ptr, "Not enough memory to decompress chunk");
}
png_memcpy(text, chunkdata, prefix_size);
png_memcpy(text, png_ptr->chunkdata, prefix_size);
}
text[text_size - 1] = 0x00;
/* Copy what we can of the error message into the text chunk */
text_size = (png_size_t)(chunklength - (text - chunkdata) - 1);
text_size = (png_size_t)(chunklength -
(text - png_ptr->chunkdata) - 1);
if (text_size > png_sizeof(msg))
text_size = png_sizeof(msg);
png_memcpy(text + prefix_size, msg, text_size);
@ -270,14 +274,14 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
text = (png_charp)png_malloc_warn(png_ptr, text_size + 1);
if (text == NULL)
{
png_free(png_ptr, chunkdata);
png_free(png_ptr, png_ptr->chunkdata);
png_ptr->chunkdata = NULL;
png_error(png_ptr,
"Not enough memory to decompress chunk");
}
png_memcpy(text + prefix_size, png_ptr->zbuf,
text_size - prefix_size);
png_memcpy(text, chunkdata, prefix_size);
png_memcpy(text, png_ptr->chunkdata, prefix_size);
*(text + text_size) = 0x00;
}
else
@ -291,7 +295,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
if (text == NULL)
{
png_free(png_ptr, tmp);
png_free(png_ptr, chunkdata);
png_free(png_ptr, png_ptr->chunkdata);
png_ptr->chunkdata = NULL;
png_error(png_ptr,
"Not enough memory to decompress chunk");
@ -340,11 +344,11 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
text = (png_charp)png_malloc_warn(png_ptr, text_size+1);
if (text == NULL)
{
png_free(png_ptr, chunkdata);
png_free(png_ptr, png_ptr->chunkdata);
png_ptr->chunkdata = NULL;
png_error(png_ptr, "Not enough memory for text");
}
png_memcpy(text, chunkdata, prefix_size);
png_memcpy(text, png_ptr->chunkdata, prefix_size);
}
*(text + text_size) = 0x00;
}
@ -352,8 +356,8 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
inflateReset(&png_ptr->zstream);
png_ptr->zstream.avail_in = 0;
png_free(png_ptr, chunkdata);
chunkdata = text;
png_free(png_ptr, png_ptr->chunkdata);
png_ptr->chunkdata = text;
*newlength=text_size;
}
else /* if (comp_type != PNG_COMPRESSION_TYPE_BASE) */
@ -367,11 +371,9 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
png_warning(png_ptr, "Unknown zTXt compression type");
#endif
*(chunkdata + prefix_size) = 0x00;
*(png_ptr->chunkdata + prefix_size) = 0x00;
*newlength = prefix_size;
}
return chunkdata;
}
#endif
@ -546,7 +548,7 @@ png_handle_PLTE(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
{
if (png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_NOWARN)
{
%15+% png_chunk_benign_error(png_ptr, "CRC error");
png_chunk_benign_error(png_ptr, "CRC error");
}
else
{
@ -1079,8 +1081,8 @@ png_handle_iCCP(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
}
prefix_length = profile - png_ptr->chunkdata;
png_ptr->chunkdata = png_decompress_chunk(png_ptr, compression_type,
png_ptr->chunkdata, slength, prefix_length, &data_length);
png_decompress_chunk(png_ptr, compression_type,
slength, prefix_length, &data_length);
profile_length = data_length - prefix_length;
@ -2054,8 +2056,8 @@ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
}
prefix_len = text - png_ptr->chunkdata;
png_ptr->chunkdata = (png_charp)png_decompress_chunk(png_ptr, comp_type,
png_ptr->chunkdata, (png_size_t)length, prefix_len, &data_len);
png_decompress_chunk(png_ptr, comp_type,
(png_size_t)length, prefix_len, &data_len);
text_ptr = (png_textp)png_malloc_warn(png_ptr,
png_sizeof(png_text));
@ -2183,8 +2185,8 @@ png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
key=png_ptr->chunkdata;
if (comp_flag)
png_ptr->chunkdata = png_decompress_chunk(png_ptr, comp_type,
png_ptr->chunkdata, (size_t)length, prefix_len, &data_len);
png_decompress_chunk(png_ptr, comp_type,
(size_t)length, prefix_len, &data_len);
else
data_len = png_strlen(png_ptr->chunkdata + prefix_len);
text_ptr = (png_textp)png_malloc_warn(png_ptr,
@ -2235,7 +2237,10 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_ptr->mode |= PNG_AFTER_IDAT;
}
#if 0
/* Redundant? */
png_check_chunk_name(png_ptr, png_ptr->chunk_name);
#endif
if (!(png_ptr->chunk_name[0] & 0x20))
{
@ -2317,13 +2322,14 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
the chunk name itself is valid. */
#define isnonalpha(c) ((c) < 65 || (c) > 122 || ((c) > 90 && (c) < 97))
#define isnonupper(c) ((c) < 65 || (c) > 90)
void /* PRIVATE */
png_check_chunk_name(png_structp png_ptr, png_bytep chunk_name)
{
png_debug(1, "in png_check_chunk_name\n");
if (isnonalpha(chunk_name[0]) || isnonalpha(chunk_name[1]) ||
isnonalpha(chunk_name[2]) || isnonalpha(chunk_name[3]))
isnonupper(chunk_name[2]) || isnonalpha(chunk_name[3]))
{
png_chunk_error(png_ptr, "invalid chunk type");
}

26
pngset.c
View File

@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 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)
@ -167,7 +167,7 @@ png_set_gAMA(png_structp png_ptr, png_infop info_ptr, double file_gamma)
gamma=21474.83;
}
else
gamma=file_gamma;
gamma = file_gamma;
info_ptr->gamma = (float)gamma;
#ifdef PNG_FIXED_POINT_SUPPORTED
info_ptr->int_gamma = (int)(gamma*100000.+.5);
@ -200,7 +200,7 @@ png_set_gAMA_fixed(png_structp png_ptr, png_infop info_ptr, png_fixed_point
gamma = 0;
}
else
gamma=int_gamma;
gamma = int_gamma;
}
#ifdef PNG_FLOATING_POINT_SUPPORTED
info_ptr->gamma = (float)(gamma/100000.);
@ -502,6 +502,7 @@ png_set_sCAL_s(png_structp png_ptr, png_infop info_ptr,
if (info_ptr->scal_s_height == NULL)
{
png_free (png_ptr, info_ptr->scal_s_width);
info_ptr->scal_s_width = NULL;
png_warning(png_ptr,
"Memory allocation failed while processing sCAL");
return;
@ -731,7 +732,7 @@ png_set_text(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
int num_text)
{
int ret;
ret=png_set_text_2(png_ptr, info_ptr, text_ptr, num_text);
ret = png_set_text_2(png_ptr, info_ptr, text_ptr, num_text);
if (ret)
png_error(png_ptr, "Insufficient memory to store text");
}
@ -855,13 +856,13 @@ png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
#ifdef PNG_iTXt_SUPPORTED
if (text_ptr[i].compression > 0)
{
textp->lang=textp->key + key_len + 1;
textp->lang = textp->key + key_len + 1;
png_memcpy(textp->lang, text_ptr[i].lang, lang_len);
*(textp->lang + lang_len) = '\0';
textp->lang_key=textp->lang + lang_len + 1;
textp->lang_key = textp->lang + lang_len + 1;
png_memcpy(textp->lang_key, text_ptr[i].lang_key, lang_key_len);
*(textp->lang_key + lang_key_len) = '\0';
textp->text=textp->lang_key + lang_key_len + 1;
textp->text = textp->lang_key + lang_key_len + 1;
}
else
#endif
@ -870,7 +871,7 @@ png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
textp->lang=NULL;
textp->lang_key=NULL;
#endif
textp->text=textp->key + key_len + 1;
textp->text = textp->key + key_len + 1;
}
if (text_length)
png_memcpy(textp->text, text_ptr[i].text,
@ -1066,7 +1067,6 @@ png_set_unknown_chunks(png_structp png_ptr,
png_memcpy(np, info_ptr->unknown_chunks,
info_ptr->unknown_chunks_num * png_sizeof(png_unknown_chunk));
png_free(png_ptr, info_ptr->unknown_chunks);
info_ptr->unknown_chunks=NULL;
for (i = 0; i < num_unknowns; i++)
{
@ -1152,7 +1152,7 @@ png_set_keep_unknown_chunks(png_structp png_ptr, int keep, png_bytep
}
if (chunk_list == NULL)
return;
old_num_chunks=png_ptr->num_chunk_list;
old_num_chunks = png_ptr->num_chunk_list;
new_list=(png_bytep)png_malloc(png_ptr,
(png_size_t)
(5*(num_chunks + old_num_chunks)));
@ -1165,10 +1165,10 @@ png_set_keep_unknown_chunks(png_structp png_ptr, int keep, png_bytep
}
png_memcpy(new_list + 5*old_num_chunks, chunk_list,
(png_size_t)(5*num_chunks));
for (p=new_list + 5*old_num_chunks + 4, i = 0; i<num_chunks; i++, p += 5)
for (p = new_list + 5*old_num_chunks + 4, i = 0; i<num_chunks; i++, p += 5)
*p=(png_byte)keep;
png_ptr->num_chunk_list=old_num_chunks + num_chunks;
png_ptr->chunk_list=new_list;
png_ptr->num_chunk_list = old_num_chunks + num_chunks;
png_ptr->chunk_list = new_list;
#ifdef PNG_FREE_ME_SUPPORTED
png_ptr->free_me |= PNG_FREE_LIST;
#endif

15
pngtest.c
View File

@ -1,7 +1,7 @@
/* pngtest.c - a simple test program to test libpng
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 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)
@ -525,7 +525,7 @@ png_debug_free(png_structp png_ptr, png_voidp ptr)
the memory that is to be freed. */
png_memset(ptr, 0x55, pinfo->size);
png_free_default(png_ptr, pinfo);
pinfo=NULL;
pinfo = NULL;
break;
}
if (pinfo->next == NULL)
@ -541,7 +541,7 @@ png_debug_free(png_structp png_ptr, png_voidp ptr)
if (verbose)
printf("Freeing %x\n", ptr);
png_free_default(png_ptr, ptr);
ptr=NULL;
ptr = NULL;
}
#endif /* PNG_USER_MEM_SUPPORTED && PNG_DEBUG */
/* END of code to test memory allocation/deallocation */
@ -713,8 +713,8 @@ 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);
row_buf = NULL;
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);
@ -1179,6 +1179,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
#ifndef SINGLE_ROWBUF_ALLOC
png_debug2(0, "Freeing row buffer (pass %d, y = %ld)\n\n", pass, y);
png_free(read_ptr, row_buf);
row_buf = NULL;
#endif /* !SINGLE_ROWBUF_ALLOC */
}
}
@ -1264,7 +1265,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
#ifdef SINGLE_ROWBUF_ALLOC
png_debug(1, "destroying row_buf for read_ptr\n");
png_free(read_ptr, row_buf);
row_buf=NULL;
row_buf = NULL;
#endif /* SINGLE_ROWBUF_ALLOC */
png_debug(1, "destroying read_ptr, read_info_ptr, end_info_ptr\n");
png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr);
@ -1612,4 +1613,4 @@ main(int argc, char *argv[])
}
/* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_4_0beta23 your_png_h_is_not_version_1_4_0beta23;
typedef version_1_4_0beta24 your_png_h_is_not_version_1_4_0beta24;

2
pngtrans.c
View File

@ -1,7 +1,7 @@
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 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)

2
pngwio.c
View File

@ -1,7 +1,7 @@
/* pngwio.c - functions for data output
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 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)

6
pngwrite.c
View File

@ -1,7 +1,7 @@
/* pngwrite.c - general routines to write a PNG file
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 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)
@ -475,7 +475,6 @@ png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
#endif
{
png_free(png_ptr, png_ptr->zbuf);
png_ptr->zbuf=NULL;
png_destroy_struct(png_ptr);
return (NULL);
}
@ -972,8 +971,7 @@ png_destroy_write_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr)
if (png_ptr->num_chunk_list)
{
png_free(png_ptr, png_ptr->chunk_list);
png_ptr->chunk_list=NULL;
png_ptr->num_chunk_list=0;
png_ptr->num_chunk_list = 0;
}
#endif
}

2
pngwtran.c
View File

@ -1,7 +1,7 @@
/* pngwtran.c - transforms the data in a row for PNG writers
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 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)

5
pngwutil.c
View File

@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 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)
@ -388,11 +388,9 @@ png_write_compressed_data_out(png_structp png_ptr, compression_state *comp)
png_write_chunk_data(png_ptr, (png_bytep)comp->output_ptr[i],
(png_size_t)png_ptr->zbuf_size);
png_free(png_ptr, comp->output_ptr[i]);
comp->output_ptr[i]=NULL;
}
if (comp->max_output_ptr != 0)
png_free(png_ptr, comp->output_ptr);
comp->output_ptr=NULL;
/* write anything left in zbuf */
if (png_ptr->zstream.avail_out < (png_uint_32)png_ptr->zbuf_size)
png_write_chunk_data(png_ptr, png_ptr->zbuf,
@ -1359,7 +1357,6 @@ png_check_keyword(png_structp png_ptr, png_charp key, png_charpp new_key)
if (key_len == 0)
{
png_free(png_ptr, *new_key);
*new_key=NULL;
png_warning(png_ptr, "Zero length keyword");
}

2
scripts/CMakeLists.txt
View File

@ -178,7 +178,7 @@ configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
# SET UP LINKS
set_target_properties(${PNG_LIB_NAME} PROPERTIES
# VERSION 0.${PNGLIB_RELEASE}.1.4.0beta23
# VERSION 0.${PNGLIB_RELEASE}.1.4.0beta24
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=1.4.0beta23
version=1.4.0beta24
prefix=""
libdir=""
libs=""

2
scripts/libpng.pc.in
View File

@ -5,6 +5,6 @@ includedir=@includedir@/libpng14
Name: libpng
Description: Loads and saves PNG files
Version: 1.4.0beta23
Version: 1.4.0beta24
Libs: -L${libdir} -lpng14
Cflags: -I${includedir}

2
scripts/makefile.32sunu
View File

@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.64sunu
View File

@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.aix
View File

@ -20,7 +20,7 @@ LN_SF = ln -f -s
LIBNAME=libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
prefix=/usr/local

2
scripts/makefile.beos
View File

@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.cygwin
View File

@ -65,7 +65,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME = libpng14
PNGMAJ = 1
CYGDLL = 14
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=cygpng$(CYGDLL).dll

2
scripts/makefile.darwin
View File

@ -19,7 +19,7 @@ ZLIBINC=../zlib
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.dec
View File

@ -5,7 +5,7 @@
# Library name:
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng14

2
scripts/makefile.elf
View File

@ -12,7 +12,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.gcmmx
View File

@ -16,7 +16,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.hp64
View File

@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.hpgcc
View File

@ -8,7 +8,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.hpux
View File

@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.linux
View File

@ -6,7 +6,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.mingw
View File

@ -81,7 +81,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME = libpng14
PNGMAJ = 1
MINGDLL = 14
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=libpng$(MINGDLL).dll

2
scripts/makefile.ne12bsd
View File

@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng14
LIB= png14
SHLIB_MAJOR= 0
SHLIB_MINOR= 1.4.0beta23
SHLIB_MINOR= 1.4.0beta24
SRCS= pnggccrd.c 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

@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng
LIB= png
SHLIB_MAJOR= 3
SHLIB_MINOR= 1.4.0beta23
SHLIB_MINOR= 1.4.0beta24
SRCS= pnggccrd.c 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

@ -16,7 +16,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
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= 1.4.0beta23
SHLIB_MINOR= 1.4.0beta24
LIB= png
SRCS= png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \

2
scripts/makefile.sco
View File

@ -9,7 +9,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.sggcc
View File

@ -6,7 +6,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.sgi
View File

@ -6,7 +6,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:

2
scripts/makefile.so9
View File

@ -8,7 +8,7 @@
# Library name:
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng14

2
scripts/makefile.solaris
View File

@ -8,7 +8,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
PNGMIN = 1.4.0beta23
PNGMIN = 1.4.0beta24
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 1.4.0beta23
; Version 1.4.0beta24
LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2"

2
scripts/pngwin.def
View File

@ -5,7 +5,7 @@
LIBRARY
EXPORTS
;Version 1.4.0beta23
;Version 1.4.0beta24
png_build_grayscale_palette
png_chunk_error
png_chunk_warning