[libpng10] Imported from libpng-1.0.21rc2.tar
diff --git a/ANNOUNCE b/ANNOUNCE
index 5a9a0fd..8900392 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
-Libpng 1.0.21rc1 - November 8, 2006
+Libpng 1.0.21rc2 - November 13, 2006
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.
@@ -9,32 +9,32 @@
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
- libpng-1.0.21rc1.tar.gz
- libpng-1.0.21rc1.tar.bz2
+ libpng-1.0.21rc2.tar.gz
+ libpng-1.0.21rc2.tar.bz2
Source files with LF line endings (for Unix/Linux) without the
"configure" script
- libpng-1.0.21rc1-no-config.tar.gz
- libpng-1.0.21rc1-no-config.tar.bz2
+ libpng-1.0.21rc2-no-config.tar.gz
+ libpng-1.0.21rc2-no-config.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
- lp1021r01.zip
- lp1021r01.tar.bz2
+ lp1021r02.zip
+ lp1021r02.tar.bz2
Project files
- libpng-1.0.21rc1-project-netware.zip
- libpng-1.0.21rc1-project-wince.zip
+ libpng-1.0.21rc2-project-netware.zip
+ libpng-1.0.21rc2-project-wince.zip
Other information:
- libpng-1.0.21rc1-README.txt
- libpng-1.0.21rc1-KNOWNBUGS.txt
- libpng-1.0.21rc1-LICENSE.txt
- libpng-1.0.21rc1-Y2K-compliance.txt
+ libpng-1.0.21rc2-README.txt
+ libpng-1.0.21rc2-KNOWNBUGS.txt
+ libpng-1.0.21rc2-LICENSE.txt
+ libpng-1.0.21rc2-Y2K-compliance.txt
Changes since the last public release (1.0.20):
@@ -43,11 +43,14 @@
Work around Intel-Mac compiler bug by setting PNG_NO_MMX_CODE in pngconf.h
Change "logical" to "bitwise" throughout documentation.
-version 1.2.13rc1 [November 8, 2006]
+version 1.0.21rc1.2.13rc1 [November 10, 2006]
Fix potential buffer overflow in sPLT chunk handler.
Fix Makefile.am to not try to link to noexistent files.
Fix pngerror.c to not use NULL png_ptr.
+version 1.0.21rc2, 1.2.13rc2 [November 13, 2006]
+ Check all exported functions for NULL png_ptr.
+
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement
diff --git a/CHANGES b/CHANGES
index 4d8463c..b238d85 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1609,11 +1609,14 @@
Work around Intel-Mac compiler bug by setting PNG_NO_MMX_CODE in pngconf.h
Change "logical" to "bitwise" throughout documentation.
-version 1.0.21rc1, 1.2.13rc1 [November 8, 2006]
+version 1.0.21rc1, 1.2.13rc1 [November 10, 2006]
Fix potential buffer overflow in sPLT chunk handler.
Fix Makefile.am to not try to link to noexistent files.
Fix pngerror.c to not use NULL png_ptr.
+version 1.0.21rc2, 1.2.13rc2 [November 13, 2006]
+ Check all exported functions for NULL png_ptr.
+
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement
diff --git a/INSTALL b/INSTALL
index 777cd6c..6959fc6 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
-Installing libpng version 1.0.21rc1 - November 8, 2006
+Installing libpng version 1.0.21rc2 - November 13, 2006
On Unix/Linux and similar systems, you can simply type
@@ -37,7 +37,7 @@
correspond to the version of zlib that's installed.
You can rename the directories that you downloaded (they
-might be called "libpng-1.0.21rc1" or "lpng109" and "zlib-1.2.1"
+might be called "libpng-1.0.21rc2" 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:
@@ -93,11 +93,11 @@
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning,
- gcc, creates libpng10.so.0.1.0.21rc1)
+ gcc, creates libpng10.so.0.1.0.21rc2)
makefile.linux => Linux/ELF makefile
- (gcc, creates libpng10.so.0.1.0.21rc1)
+ (gcc, creates libpng10.so.0.1.0.21rc2)
makefile.gcmmx => Linux/ELF makefile
- (gcc, creates libpng10.so.0.1.0.21rc1,
+ (gcc, creates libpng10.so.0.1.0.21rc2,
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
@@ -120,12 +120,12 @@
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.sggcc => Silicon Graphics (gcc,
- creates libpng10.so.0.1.0.21rc1)
+ creates libpng10.so.0.1.0.21rc2)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile (gcc,
- creates libpng10.so.0.1.0.21rc1)
+ creates libpng10.so.0.1.0.21rc2)
makefile.so9 => Solaris 9 makefile (gcc,
- creates libpng10.so.0.1.0.21rc1)
+ creates libpng10.so.0.1.0.21rc2)
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
diff --git a/KNOWNBUG b/KNOWNBUG
index 730956b..f2b15d9 100644
--- a/KNOWNBUG
+++ b/KNOWNBUG
@@ -1,5 +1,5 @@
-Known bugs in libpng version 1.0.21rc1
+Known bugs in libpng version 1.0.21rc2
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
diff --git a/LICENSE b/LICENSE
index 5dac34e..92d2b34 100644
--- a/LICENSE
+++ b/LICENSE
@@ -8,7 +8,7 @@
If you modify libpng you may insert additional notices immediately following
this sentence.
-libpng versions 1.2.6, August 15, 2004, through 1.0.21rc1, November 8, 2006, are
+libpng versions 1.2.6, August 15, 2004, through 1.0.21rc2, November 13, 2006, are
Copyright (c) 2004, 2006 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 @@
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
-November 8, 2006
+November 13, 2006
diff --git a/README b/README
index 85716c4..ebdf28d 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.0.21rc1 - November 8, 2006 (shared library 10.0)
+README for libpng version 1.0.21rc2 - November 13, 2006 (shared library 10.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.
@@ -190,11 +190,11 @@
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 libpng10.so.0.1.0.21rc1)
+ gcc, creates libpng10.so.0.1.0.21rc2)
makefile.linux => Linux/ELF makefile
- (gcc, creates libpng10.so.0.1.0.21rc1)
+ (gcc, creates libpng10.so.0.1.0.21rc2)
makefile.gcmmx => Linux/ELF makefile
- (gcc, creates libpng10.so.0.1.0.21rc1,
+ (gcc, creates libpng10.so.0.1.0.21rc2,
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
@@ -216,12 +216,12 @@
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
makefile.sggcc => Silicon Graphics
- (gcc, creates libpng10.so.0.1.0.21rc1)
+ (gcc, creates libpng10.so.0.1.0.21rc2)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile
- (gcc, creates libpng10.so.0.1.0.21rc1)
+ (gcc, creates libpng10.so.0.1.0.21rc2)
makefile.so9 => Solaris 9 makefile
- (gcc, creates libpng10.so.0.1.0.21rc1)
+ (gcc, creates libpng10.so.0.1.0.21rc2)
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
diff --git a/Y2KINFO b/Y2KINFO
index bce2cbe..019475a 100644
--- a/Y2KINFO
+++ b/Y2KINFO
@@ -1,13 +1,13 @@
Y2K compliance in libpng:
=========================
- November 8, 2006
+ November 13, 2006
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 1.0.21rc1 are Y2K compliant. It is my belief that earlier
+ upward through 1.0.21rc2 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
diff --git a/configure b/configure
index 86dd80a..d54c90c 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.59 for libpng 1.0.21rc1.
+# Generated by GNU Autoconf 2.59 for libpng 1.0.21rc2.
#
# Report bugs to <png-mng-implement@lists.sourceforge.net>.
#
@@ -423,8 +423,8 @@
# Identity of this package.
PACKAGE_NAME='libpng'
PACKAGE_TARNAME='libpng'
-PACKAGE_VERSION='1.0.21rc1'
-PACKAGE_STRING='libpng 1.0.21rc1'
+PACKAGE_VERSION='1.0.21rc2'
+PACKAGE_STRING='libpng 1.0.21rc2'
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
ac_unique_file="pngget.c"
@@ -954,7 +954,7 @@
# 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 1.0.21rc1 to adapt to many kinds of systems.
+\`configure' configures libpng 1.0.21rc2 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]...
@@ -1020,7 +1020,7 @@
if test -n "$ac_init_help"; then
case $ac_init_help in
- short | recursive ) echo "Configuration of libpng 1.0.21rc1:";;
+ short | recursive ) echo "Configuration of libpng 1.0.21rc2:";;
esac
cat <<\_ACEOF
@@ -1167,7 +1167,7 @@
test -n "$ac_init_help" && exit 0
if $ac_init_version; then
cat <<\_ACEOF
-libpng configure 1.0.21rc1
+libpng configure 1.0.21rc2
generated by GNU Autoconf 2.59
Copyright (C) 2003 Free Software Foundation, Inc.
@@ -1181,7 +1181,7 @@
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 1.0.21rc1, which was
+It was created by libpng $as_me 1.0.21rc2, which was
generated by GNU Autoconf 2.59. Invocation command line was
$ $0 $@
@@ -1824,7 +1824,7 @@
# Define the identity of the package.
PACKAGE='libpng'
- VERSION='1.0.21rc1'
+ VERSION='1.0.21rc2'
cat >>confdefs.h <<_ACEOF
@@ -1979,7 +1979,7 @@
-PNGLIB_VERSION=1.0.21rc1
+PNGLIB_VERSION=1.0.21rc2
PNGLIB_MAJOR=10
PNGLIB_MINOR=21
@@ -20601,7 +20601,7 @@
} >&5
cat >&5 <<_CSEOF
-This file was extended by libpng $as_me 1.0.21rc1, which was
+This file was extended by libpng $as_me 1.0.21rc2, which was
generated by GNU Autoconf 2.59. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
@@ -20664,7 +20664,7 @@
cat >>$CONFIG_STATUS <<_ACEOF
ac_cs_version="\\
-libpng config.status 1.0.21rc1
+libpng config.status 1.0.21rc2
configured by $0, generated by GNU Autoconf 2.59,
with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
diff --git a/configure.ac b/configure.ac
index 529b6e0..43a5015 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,12 +18,12 @@
dnl Version number stuff here:
-AC_INIT([libpng], [1.0.21rc1], [png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng], [1.0.21rc2], [png-mng-implement@lists.sourceforge.net])
AM_INIT_AUTOMAKE
dnl stop configure from automagically running automake
AM_MAINTAINER_MODE
-PNGLIB_VERSION=1.0.21rc1
+PNGLIB_VERSION=1.0.21rc2
PNGLIB_MAJOR=10
PNGLIB_MINOR=21
diff --git a/libpng.3 b/libpng.3
index 3cad233..3534ae8 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,404 +1,815 @@
-.TH LIBPNG 3 "November 8, 2006"
+.TH LIBPNG 3 "November 13, 2006"
.SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.0.21rc1
+libpng \- Portable Network Graphics (PNG) Reference Library 1.0.21rc2
.SH SYNOPSIS
-\fB
-#include <png.h>\fP
+\fI\fB
+
+\fB#include <png.h>\fP
+
+\fI\fB
\fBpng_uint_32 png_access_version_number \fI(void\fP\fB);\fP
+\fI\fB
+
\fBint png_check_sig (png_bytep \fP\fIsig\fP\fB, int \fInum\fP\fB);\fP
+\fI\fB
+
\fBvoid png_chunk_error (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fIerror\fP\fB);\fP
+\fI\fB
+
\fBvoid png_chunk_warning (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fImessage\fP\fB);\fP
+\fI\fB
+
\fBvoid png_convert_from_struct_tm (png_timep \fP\fIptime\fP\fB, struct tm FAR * \fIttime\fP\fB);\fP
+\fI\fB
+
\fBvoid png_convert_from_time_t (png_timep \fP\fIptime\fP\fB, time_t \fIttime\fP\fB);\fP
+\fI\fB
+
\fBpng_charp png_convert_to_rfc1123 (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fIptime\fP\fB);\fP
+\fI\fB
+
\fBpng_infop png_create_info_struct (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_structp png_create_read_struct (png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarn_fn\fP\fB);\fP
+\fI\fB
+
\fBpng_structp png_create_read_struct_2(png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fP\fIwarn_fn\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP
+\fI\fB
+
\fBpng_structp png_create_write_struct (png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarn_fn\fP\fB);\fP
+\fI\fB
+
\fBpng_structp png_create_write_struct_2(png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fP\fIwarn_fn\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP
+\fI\fB
+
\fBint png_debug(int \fP\fIlevel\fP\fB, png_const_charp \fImessage\fP\fB);\fP
+\fI\fB
+
\fBint png_debug1(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fIp1\fP\fB);\fP
+\fI\fB
+
\fBint png_debug2(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fP\fIp1\fP\fB, \fIp2\fP\fB);\fP
+\fI\fB
+
\fBvoid png_destroy_info_struct (png_structp \fP\fIpng_ptr\fP\fB, png_infopp \fIinfo_ptr_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_destroy_read_struct (png_structpp \fP\fIpng_ptr_ptr\fP\fB, png_infopp \fP\fIinfo_ptr_ptr\fP\fB, png_infopp \fIend_info_ptr_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_destroy_write_struct (png_structpp \fP\fIpng_ptr_ptr\fP\fB, png_infopp \fIinfo_ptr_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_error (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fIerror\fP\fB);\fP
+\fI\fB
+
\fBvoid png_free (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fIptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_free_chunk_list (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_free_default(png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fIptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_free_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fInum\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_bit_depth (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_16p \fI*background\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_channels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fI*white_x\fP\fB, double \fP\fI*white_y\fP\fB, double \fP\fI*red_x\fP\fB, double \fP\fI*red_y\fP\fB, double \fP\fI*green_x\fP\fB, double \fP\fI*green_y\fP\fB, double \fP\fI*blue_x\fP\fB, double \fI*blue_y\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*white_x\fP\fB, png_uint_32 \fP\fI*white_y\fP\fB, png_uint_32 \fP\fI*red_x\fP\fB, png_uint_32 \fP\fI*red_y\fP\fB, png_uint_32 \fP\fI*green_x\fP\fB, png_uint_32 \fP\fI*green_y\fP\fB, png_uint_32 \fP\fI*blue_x\fP\fB, png_uint_32 \fI*blue_y\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_color_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_compression_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_copyright (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_get_error_ptr (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_filter_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fI*file_gamma\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fI*int_file_gamma\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_header_ver (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_header_version (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_16p \fI*hist\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charpp \fP\fIname\fP\fB, int \fP\fI*compression_type\fP\fB, png_charpp \fP\fIprofile\fP\fB, png_uint_32 \fI*proflen\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*width\fP\fB, png_uint_32 \fP\fI*height\fP\fB, int \fP\fI*bit_depth\fP\fB, int \fP\fI*color_type\fP\fB, int \fP\fI*interlace_type\fP\fB, int \fP\fI*compression_type\fP\fB, int \fI*filter_type\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_image_height (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_image_width (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-\fB#if !defined(PNG_1_0_X) png_int_32 png_get_int_32 (png_bytep buf); \fI#endif
+\fI\fB
+
+\fB#if \fI!defined(PNG_1_0_X)
+
+\fBpng_int_32 png_get_int_32 (png_bytep \fIbuf\fP\fB);\fP
+
+\fI\fB#endif
+
+\fI\fB
\fBpng_byte png_get_interlace_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_get_io_ptr (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_libpng_ver (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_get_mem_ptr(png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*offset_x\fP\fB, png_uint_32 \fP\fI*offset_y\fP\fB, int \fI*unit_type\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fI*purpose\fP\fB, png_int_32 \fP\fI*X0\fP\fB, png_int_32 \fP\fI*X1\fP\fB, int \fP\fI*type\fP\fB, int \fP\fI*nparams\fP\fB, png_charp \fP\fI*units\fP\fB, png_charpp \fI*params\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*res_x\fP\fB, png_uint_32 \fP\fI*res_y\fP\fB, int \fI*unit_type\fP\fB);\fP
+\fI\fB
+
\fBfloat png_get_pixel_aspect_ratio (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_get_progressive_ptr (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_colorp \fP\fI*palette\fP\fB, int \fI*num_palette\fP\fB);\fP
-\fBpng_byte png_get_rgb_to_gray_status (png_structp png_ptr) png_uint_32 png_get_rowbytes (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fBpng_byte png_get_rgb_to_gray_status (png_structp \fIpng_ptr)
+
+\fBpng_uint_32 png_get_rowbytes (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+
+\fI\fB
\fBpng_bytepp png_get_rows (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_8p \fI*sig_bit\fP\fB);\fP
+\fI\fB
+
\fBpng_bytep png_get_signature (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_spalette_p \fI*splt_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fI*intent\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_text (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fI*text_ptr\fP\fB, int \fI*num_text\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_timep \fI*mod_time\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fI*trans\fP\fB, int \fP\fI*num_trans\fP\fB, png_color_16p \fI*trans_values\fP\fB);\fP
-\fB#if !defined(PNG_1_0_X) png_uint_16 png_get_uint_16 (png_bytep \fIbuf\fP\fB);\fP
+\fI\fB
+
+\fB#if \fI!defined(PNG_1_0_X)
+
+\fBpng_uint_16 png_get_uint_16 (png_bytep \fIbuf\fP\fB);\fP
+
+\fI\fB
\fBpng_uint_32 png_get_uint_31 (png_bytep \fIbuf\fP\fB);\fP
-\fBpng_uint_32 png_get_uint_32 (png_bytep buf); \fI#endif
+\fI\fB
+
+\fBpng_uint_32 png_get_uint_32 (png_bytep \fIbuf\fP\fB);\fP
+
+\fI\fB#endif
+
+\fI\fB
\fBpng_uint_32 png_get_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_unknown_chunkpp \fIunknowns\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_get_user_chunk_ptr (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_user_height_max( png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_get_user_transform_ptr (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_user_width_max (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_valid (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIflag\fP\fB);\fP
+\fI\fB
+
\fBpng_int_32 png_get_x_offset_microns (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_int_32 png_get_x_offset_pixels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_x_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_int_32 png_get_y_offset_microns (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_int_32 png_get_y_offset_pixels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_y_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_compression_buffer_size (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBint png_handle_as_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP
+\fI\fB
+
\fBvoid png_init_io (png_structp \fP\fIpng_ptr\fP\fB, FILE \fI*fp\fP\fB);\fP
+\fI\fB
+
\fBDEPRECATED: void png_info_init (png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBDEPRECATED: void png_info_init_2 (png_infopp \fP\fIptr_ptr\fP\fB, png_size_t \fIpng_info_struct_size\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_malloc (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_malloc_default(png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
+\fI\fB
+
\fBvoidp png_memcpy (png_voidp \fP\fIs1\fP\fB, png_voidp \fP\fIs2\fP\fB, png_size_t \fIsize\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_memcpy_check (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIs1\fP\fB, png_voidp \fP\fIs2\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
+\fI\fB
+
\fBvoidp png_memset (png_voidp \fP\fIs1\fP\fB, int \fP\fIvalue\fP\fB, png_size_t \fIsize\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_memset_check (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIs1\fP\fB, int \fP\fIvalue\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
+\fI\fB
+
\fBDEPRECATED: void png_permit_empty_plte (png_structp \fP\fIpng_ptr\fP\fB, int \fIempty_plte_permitted\fP\fB);\fP
+\fI\fB
+
\fBvoid png_process_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_size\fP\fB);\fP
+\fI\fB
+
\fBvoid png_progressive_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIold_row\fP\fB, png_bytep \fInew_row\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_infop \fIend_info_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_image (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fIimage\fP\fB);\fP
+\fI\fB
+
\fBDEPRECATED: void png_read_init (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBDEPRECATED: void png_read_init_2 (png_structpp \fP\fIptr_ptr\fP\fB, png_const_charp \fP\fIuser_png_ver\fP\fB, png_size_t \fP\fIpng_struct_size\fP\fB, png_size_t \fIpng_info_size\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_png (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fItransforms\fP\fB, png_voidp \fIparams\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fIdisplay_row\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_rows (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fP\fIrow\fP\fB, png_bytepp \fP\fIdisplay_row\fP\fB, png_uint_32 \fInum_rows\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_update_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-\fB#if !defined(PNG_1_0_X) png_save_int_32 (png_bytep \fP\fIbuf\fP\fB, png_int_32 \fIi\fP\fB);\fP
+\fI\fB
+
+\fB#if \fI!defined(PNG_1_0_X)
+
+\fBpng_save_int_32 (png_bytep \fP\fIbuf\fP\fB, png_int_32 \fIi\fP\fB);\fP
+
+\fI\fB
\fBvoid png_save_uint_16 (png_bytep \fP\fIbuf\fP\fB, unsigned int \fIi\fP\fB);\fP
+\fI\fB
+
\fBvoid png_save_uint_32 (png_bytep \fP\fIbuf\fP\fB, png_uint_32 \fIi\fP\fB);\fP
-\fBvoid png_set_add_alpha (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int flags); \fI#endif
+\fI\fB
+
+\fBvoid png_set_add_alpha (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int \fIflags\fP\fB);\fP
+
+\fI\fB#endif
+
+\fI\fB
\fBvoid png_set_background (png_structp \fP\fIpng_ptr\fP\fB, png_color_16p \fP\fIbackground_color\fP\fB, int \fP\fIbackground_gamma_code\fP\fB, int \fP\fIneed_expand\fP\fB, double \fIbackground_gamma\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_bgr (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_16p \fIbackground\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_compression_level (png_structp \fP\fIpng_ptr\fP\fB, int \fIlevel\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_compression_mem_level (png_structp \fP\fIpng_ptr\fP\fB, int \fImem_level\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_compression_method (png_structp \fP\fIpng_ptr\fP\fB, int \fImethod\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_compression_strategy (png_structp \fP\fIpng_ptr\fP\fB, int \fIstrategy\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_compression_window_bits (png_structp \fP\fIpng_ptr\fP\fB, int \fIwindow_bits\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_crc_action (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcrit_action\fP\fB, int \fIancil_action\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_dither (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fP\fInum_palette\fP\fB, int \fP\fImaximum_colors\fP\fB, png_uint_16p \fP\fIhistogram\fP\fB, int \fIfull_dither\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_error_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarning_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_expand (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_expand_gray_1_2_4_to_8(png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_filler (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int \fIflags\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_filter (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fImethod\fP\fB, int \fIfilters\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_filter_heuristics (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIheuristic_method\fP\fB, int \fP\fInum_weights\fP\fB, png_doublep \fP\fIfilter_weights\fP\fB, png_doublep \fIfilter_costs\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_flush (png_structp \fP\fIpng_ptr\fP\fB, int \fInrows\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_gamma (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIscreen_gamma\fP\fB, double \fIdefault_file_gamma\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIfile_gamma\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_gray_1_2_4_to_8(png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_gray_to_rgb (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_16p \fIhist\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, png_uint_32 \fIproflen\fP\fB);\fP
+\fI\fB
+
\fBint png_set_interlace_handling (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_invalid (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fImask\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_invert_alpha (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_invert_mono (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIinterlace_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fIfilter_type\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_keep_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIkeep\fP\fB, png_bytep \fP\fIchunk_list\fP\fB, int \fInum_chunks\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_mem_fn(png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIoffset_x\fP\fB, png_uint_32 \fP\fIoffset_y\fP\fB, int \fIunit_type\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_packing (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_packswap (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_palette_to_rgb(png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIres_x\fP\fB, png_uint_32 \fP\fIres_y\fP\fB, int \fIunit_type\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_progressive_read_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIprogressive_ptr\fP\fB, png_progressive_info_ptr \fP\fIinfo_fn\fP\fB, png_progressive_row_ptr \fP\fIrow_fn\fP\fB, png_progressive_end_ptr \fIend_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_read_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIio_ptr\fP\fB, png_rw_ptr \fIread_data_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_read_status_fn (png_structp \fP\fIpng_ptr\fP\fB, png_read_status_ptr \fIread_row_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_read_user_transform_fn (png_structp \fP\fIpng_ptr\fP\fB, png_user_transform_ptr \fIread_user_transform_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_rgb_to_gray (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIerror_action\fP\fB, double \fP\fIred\fP\fB, double \fIgreen\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_rgb_to_gray_fixed (png_structp \fP\fIpng_ptr\fP\fB, int error_action png_fixed_point \fP\fIred\fP\fB, png_fixed_point \fIgreen\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_rows (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytepp \fIrow_pointers\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_8p \fIsig_bit\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_shift (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fItrue_bits\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_sig_bytes (png_structp \fP\fIpng_ptr\fP\fB, int \fInum_bytes\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_spalette_p \fP\fIsplt_ptr\fP\fB, int \fInum_spalettes\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fIintent\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_sRGB_gAMA_and_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fIintent\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_strip_16 (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_strip_alpha (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_swap (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_swap_alpha (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_text (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fP\fInum_trans\fP\fB, png_color_16p \fItrans_values\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_tRNS_to_alpha(png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_set_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_unknown_chunkp \fP\fIunknowns\fP\fB, int \fP\fInum\fP\fB, int \fIlocation\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_unknown_chunk_location(png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fIchunk\fP\fB, int \fIlocation\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_read_user_chunk_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIuser_chunk_ptr\fP\fB, png_user_chunk_ptr \fIread_user_chunk_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_user_limits (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIuser_width_max\fP\fB, png_uint_32 \fIuser_height_max\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_user_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIuser_transform_ptr\fP\fB, int \fP\fIuser_transform_depth\fP\fB, int \fIuser_transform_channels\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_write_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIio_ptr\fP\fB, png_rw_ptr \fP\fIwrite_data_fn\fP\fB, png_flush_ptr \fIoutput_flush_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_write_status_fn (png_structp \fP\fIpng_ptr\fP\fB, png_write_status_ptr \fIwrite_row_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_write_user_transform_fn (png_structp \fP\fIpng_ptr\fP\fB, png_user_transform_ptr \fIwrite_user_transform_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_compression_buffer_size(png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
+\fI\fB
+
\fBint png_sig_cmp (png_bytep \fP\fIsig\fP\fB, png_size_t \fP\fIstart\fP\fB, png_size_t \fInum_to_check\fP\fB);\fP
+\fI\fB
+
\fBvoid png_start_read_image (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_warning (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fImessage\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIchunk_name\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_chunk_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_chunk_end (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_chunk_start (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIchunk_name\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_destroy (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_flush (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_image (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fIimage\fP\fB);\fP
+\fI\fB
+
\fBDEPRECATED: void png_write_init (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBDEPRECATED: void png_write_init_2 (png_structpp \fP\fIptr_ptr\fP\fB, png_const_charp \fP\fIuser_png_ver\fP\fB, png_size_t \fP\fIpng_struct_size\fP\fB, png_size_t \fIpng_info_size\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_info_before_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_png (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fItransforms\fP\fB, png_voidp \fIparams\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_rows (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fP\fIrow\fP\fB, png_uint_32 \fInum_rows\fP\fB);\fP
+\fI\fB
+
\fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP
+\fI\fB
+
\fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP
+\fI\fB
+
.SH DESCRIPTION
The
.I libpng
@@ -410,7 +821,7 @@
.SH LIBPNG.TXT
libpng.txt - A description on how to use and modify libpng
- libpng version 1.0.21rc1 - November 8, 2006
+ libpng version 1.0.21rc2 - November 13, 2006
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson
@@ -3172,13 +3583,13 @@
.SH VIII. Y2K Compliance in libpng
-November 8, 2006
+November 13, 2006
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 1.0.21rc1 are Y2K compliant. It is my belief that earlier
+upward through 1.0.21rc2 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
@@ -3345,8 +3756,8 @@
1.2.11 13 10211 12.so.0.11[.0]
1.0.20 10 10020 10.so.0.20[.0]
1.2.12 13 10212 12.so.0.12[.0]
- 1.0.21rc1 10 10021 10.so.0.21[.0]
- 1.2.13rc1 13 10213 12.so.0.13[.0]
+ 1.0.21rc1-2 10 10021 10.so.0.21[.0]
+ 1.2.13rc1-2 13 10213 12.so.0.13[.0]
Henceforth the source version will match the shared-library minor
and patch numbers; the shared-library major version number will be
@@ -3402,7 +3813,7 @@
Thanks to Frank J. T. Wojcik for helping with the documentation.
-Libpng version 1.0.21rc1 - November 8, 2006:
+Libpng version 1.0.21rc2 - November 13, 2006:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@@ -3423,7 +3834,7 @@
If you modify libpng you may insert additional notices immediately following
this sentence.
-libpng versions 1.2.6, August 15, 2004, through 1.0.21rc1, November 8, 2006, are
+libpng versions 1.2.6, August 15, 2004, through 1.0.21rc2, November 13, 2006, are
Copyright (c) 2004-2006 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
@@ -3522,7 +3933,7 @@
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
-November 8, 2006
+November 13, 2006
.\" end of man page
diff --git a/libpng.txt b/libpng.txt
index a2baf3f..ea36cd5 100644
--- a/libpng.txt
+++ b/libpng.txt
@@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng
- libpng version 1.0.21rc1 - November 8, 2006
+ libpng version 1.0.21rc2 - November 13, 2006
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson
@@ -2762,13 +2762,13 @@
VIII. Y2K Compliance in libpng
-November 8, 2006
+November 13, 2006
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 1.0.21rc1 are Y2K compliant. It is my belief that earlier
+upward through 1.0.21rc2 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
diff --git a/libpngpf.3 b/libpngpf.3
index 632eaef..828f2a7 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,266 +1,776 @@
-.TH LIBPNGPF 3 "November 8, 2006"
+.TH LIBPNGPF 3 "November 13, 2006"
.SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.0.21rc1
+libpng \- Portable Network Graphics (PNG) Reference Library 1.0.21rc2
(private functions)
.SH SYNOPSIS
\fB#include <png.h>\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_build_gamma_table (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_build_grayscale_palette (int \fP\fIbit_depth\fP\fB, png_colorp \fIpalette\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_calculate_crc (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIptr\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_check_chunk_name (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBpng_size_t png_check_keyword (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charpp \fInew_key\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fImask\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_correct_palette (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBint png_crc_error (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBint png_crc_finish (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIskip\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_crc_read (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuf\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBpng_voidp png_create_struct (int \fItype\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBpng_voidp png_create_struct_2 (int \fP\fItype\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP
+\fI\fB
+
+\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
+\fI\fB
+
+\fI\fB
+
\fBvoid png_destroy_struct (png_voidp \fIstruct_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_destroy_struct_2 (png_voidp \fP\fIstruct_ptr\fP\fB, png_free_ptr \fP\fIfree_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_background (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fP\fItrans_values\fP\fB, png_color_16p \fP\fIbackground\fP\fB, png_color_16p \fP\fIbackground_1\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_bytep \fP\fIgamma_from_1\fP\fB, png_bytep \fP\fIgamma_to_1\fP\fB, png_uint_16pp \fP\fIgamma_16\fP\fB, png_uint_16pp \fP\fIgamma_16_from_1\fP\fB, png_uint_16pp \fP\fIgamma_16_to_1\fP\fB, int \fIgamma_shift\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_bgr (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_chop (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_dither (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIpalette_lookup\fP\fB, png_bytep \fIdither_lookup\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_expand (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fItrans_value\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_expand_palette (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fInum_trans\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_gamma (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_uint_16pp \fP\fIgamma_16_table\fP\fB, int \fIgamma_shift\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_gray_to_rgb (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_invert (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_pack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIbit_depth\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_packswap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_read_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, png_uint_32 \fIflags\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_read_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fP\fIpass\fP\fB, png_uint_32 \fItransformations\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_read_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_read_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBint png_do_rgb_to_gray (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_shift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIbit_depth\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_strip_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIflags\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_swap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_unpack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_unshift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIsig_bits\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_write_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fIpass\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_write_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_write_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_write_transformations (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid *png_far_to_near (png_structp png_ptr,png_voidp \fP\fIptr\fP\fB, int \fIcheck\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_flush (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_IEND (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_iTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_info_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_init_mmx_flags (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_init_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_process_IDAT_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_process_some_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_check_crc (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_crc_finish (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_crc_skip (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_fill_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_have_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_have_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_have_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_process_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_IDAT (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_sig (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_restore_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_save_buffer (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_filter_row (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIprev_row\fP\fB, int \fIfilter\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_push_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_start_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_reset_crc (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBint png_set_text_2 (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_cHRM (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_filtered_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIfiltered_row\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_find_filter (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fIrow_info\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_gAMA (png_structp \fP\fIpng_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIint_file_gamma\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_uint_16p \fP\fIhist\fP\fB, int \fInum_hist\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, int \fIproflen\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_IDAT (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_IEND (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fP\fIfilter_type\fP\fB, int \fIinterlace_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_iTXt (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcompression\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fIlang\fP\fB, png_charp \fP\fItranslated_key\fP\fB, png_charp \fItext\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_offset\fP\fB, png_uint_32 \fP\fIy_offset\fP\fB, int \fIunit_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_pixels_per_unit\fP\fB, png_uint_32 \fP\fIy_pixels_per_unit\fP\fB, int \fIunit_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_uint_32 \fInum_pal\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fP\fIsbit\fP\fB, int \fIcolor_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sCAL_s (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, png_charp \fP\fIwidth\fP\fB, png_charp \fIheight\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sig (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sRGB (png_structp \fP\fIpng_ptr\fP\fB, int \fIintent\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_spalette_p \fIpalette\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_start_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fItext_len\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, png_color_16p \fP\fIvalues\fP\fB, int \fP\fInumber\fP\fB, int \fIcolor_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fP\fItext_len\fP\fB, int \fIcompression\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP
\fI\fB
+\fI\fB
+
.SH DESCRIPTION
The functions listed above are used privately by libpng
and are not recommended for use by applications. They are
diff --git a/png.5 b/png.5
index 4c80e9d..c4f956d 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "November 8, 2006"
+.TH PNG 5 "November 13, 2006"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION
diff --git a/png.c b/png.c
index a15e4c1..d26faa9 100644
--- a/png.c
+++ b/png.c
@@ -1,7 +1,7 @@
/* png.c - location for general purpose libpng functions
*
- * Last changed in libpng 1.2.9 April 14, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -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_0_21rc1 Your_png_h_is_not_version_1_0_21rc1;
+typedef version_1_0_21rc2 Your_png_h_is_not_version_1_0_21rc2;
/* Version information for C files. This had better match the version
* string defined in png.h. */
@@ -97,6 +97,7 @@
void PNGAPI
png_set_sig_bytes(png_structp png_ptr, int num_bytes)
{
+ if(png_ptr == NULL) return;
png_debug(1, "in png_set_sig_bytes\n");
if (num_bytes > 8)
png_error(png_ptr, "Too many bytes for PNG signature.");
@@ -157,6 +158,7 @@
png_uint_32 save_flags=p->flags;
png_uint_32 num_bytes;
+ if(png_ptr == NULL) return (NULL);
if (items > PNG_UINT_32_MAX/size)
{
png_warning (png_ptr, "Potential overflow in png_zalloc()");
@@ -265,6 +267,7 @@
void PNGAPI
png_destroy_info_struct(png_structp png_ptr, png_infopp info_ptr_ptr)
{
+ if(png_ptr == NULL) return;
png_infop info_ptr = NULL;
png_debug(1, "in png_destroy_info_struct\n");
@@ -304,6 +307,8 @@
{
png_infop info_ptr = *ptr_ptr;
+ if(info_ptr == NULL) return;
+
png_debug(1, "in png_info_init_3\n");
if(png_sizeof(png_info) > png_info_struct_size)
@@ -611,6 +616,7 @@
png_voidp PNGAPI
png_get_io_ptr(png_structp png_ptr)
{
+ if(png_ptr == NULL) return (NULL);
return (png_ptr->io_ptr);
}
@@ -626,6 +632,7 @@
png_init_io(png_structp png_ptr, png_FILE_p fp)
{
png_debug(1, "in png_init_io\n");
+ if(png_ptr == NULL) return;
png_ptr->io_ptr = (png_voidp)fp;
}
#endif
@@ -641,6 +648,7 @@
{"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
+ if(png_ptr == NULL) return (NULL);
if (png_ptr->time_buffer == NULL)
{
png_ptr->time_buffer = (png_charp)png_malloc(png_ptr, (png_uint_32)(29*
@@ -693,7 +701,7 @@
png_get_copyright(png_structp png_ptr)
{
if (&png_ptr != NULL) /* silence compiler warning about unused png_ptr */
- return ((png_charp) "\n libpng version 1.0.21rc1 - November 8, 2006\n\
+ return ((png_charp) "\n libpng version 1.0.21rc2 - November 13, 2006\n\
Copyright (c) 1998-2006 Glenn Randers-Pehrson\n\
Copyright (c) 1996-1997 Andreas Dilger\n\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");
@@ -757,6 +765,7 @@
int PNGAPI
png_reset_zstream(png_structp png_ptr)
{
+ if (png_ptr == NULL) return Z_STREAM_ERROR;
return (inflateReset(&png_ptr->zstream));
}
#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */
@@ -778,6 +787,7 @@
void /* PRIVATE */
png_init_mmx_flags (png_structp png_ptr)
{
+ if(png_ptr == NULL) return;
png_ptr->mmx_rowbytes_threshold = 0;
png_ptr->mmx_bitdepth_threshold = 0;
diff --git a/png.h b/png.h
index b60bde4..16fcae0 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
- * libpng version 1.0.21rc1 - November 8, 2006
+ * libpng version 1.0.21rc2 - November 13, 2006
* Copyright (c) 1998-2006 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 1.0.21rc1 - November 8, 2006: Glenn
+ * libpng versions 0.97, January 1998, through 1.0.21rc2 - November 13, 2006: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@@ -126,8 +126,8 @@
* 1.2.11 13 10211 12.so.0.11[.0]
* 1.0.20 10 10020 10.so.0.20[.0]
* 1.2.12 13 10212 12.so.0.12[.0]
- * 1.0.21rc1 10 10021 10.so.0.21[.0]
- * 1.2.13rc1 13 10213 12.so.0.13[.0]
+ * 1.0.21rc1-2 10 10021 10.so.0.21[.0]
+ * 1.2.13rc1-2 13 10213 12.so.0.13[.0]
*
* Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be
@@ -157,7 +157,7 @@
* If you modify libpng you may insert additional notices immediately following
* this sentence.
*
- * libpng versions 1.2.6, August 15, 2004, through 1.0.21rc1, November 8, 2006, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.0.21rc2, November 13, 2006, are
* Copyright (c) 2004, 2006 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:
@@ -269,13 +269,13 @@
* Y2K compliance in libpng:
* =========================
*
- * November 8, 2006
+ * November 13, 2006
*
* 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 1.0.21rc1 are Y2K compliant. It is my belief that earlier
+ * upward through 1.0.21rc2 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
@@ -331,9 +331,9 @@
*/
/* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.0.21rc1"
+#define PNG_LIBPNG_VER_STRING "1.0.21rc2"
#define PNG_HEADER_VERSION_STRING \
- " libpng version 1.0.21rc1 - November 8, 2006 (header)\n"
+ " libpng version 1.0.21rc2 - November 13, 2006 (header)\n"
#define PNG_LIBPNG_VER_SONUM 0
#define PNG_LIBPNG_VER_DLLNUM 10
@@ -345,7 +345,7 @@
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
-#define PNG_LIBPNG_VER_BUILD 1
+#define PNG_LIBPNG_VER_BUILD 2
/* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1
@@ -1375,7 +1375,7 @@
/* 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_0_21rc1;
+typedef png_structp version_1_0_21rc2;
typedef png_struct FAR * FAR * png_structpp;
diff --git a/pngconf.h b/pngconf.h
index 833758a..e22350a 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
- * libpng version 1.0.21rc1 - November 8, 2006
+ * libpng version 1.0.21rc2 - November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2005 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngerror.c b/pngerror.c
index 4228a0b..c8c58b9 100644
--- a/pngerror.c
+++ b/pngerror.c
@@ -1,7 +1,7 @@
/* pngerror.c - stub functions for i/o and memory allocation
*
- * Last changed in libpng 1.2.9 April 14, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -212,6 +212,8 @@
#endif
#ifdef PNG_SETJMP_SUPPORTED
+ if (png_ptr)
+ {
# ifdef USE_FAR_KEYWORD
{
jmp_buf jmpbuf;
@@ -220,10 +222,9 @@
}
# else
longjmp(png_ptr->jmpbuf, 1);
-# endif
+# endif
+ }
#else
- /* make compiler happy */ ;
- if (png_ptr)
PNG_ABORT();
#endif
#ifdef PNG_NO_CONSOLE_IO
diff --git a/pngmem.c b/pngmem.c
index cfe3e0f..45065f8 100644
--- a/pngmem.c
+++ b/pngmem.c
@@ -1,7 +1,7 @@
/* pngmem.c - stub functions for memory allocation
*
- * Last changed in libpng 1.2.9 April 14, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -137,6 +137,9 @@
png_voidp ret;
#endif /* PNG_USER_MEM_SUPPORTED */
+ if (png_ptr == NULL || size == 0)
+ return (NULL);
+
#ifdef PNG_MAX_MALLOC_64K
if (size > (png_uint_32)65536L)
{
@@ -290,6 +293,8 @@
{
#endif /* PNG_USER_MEM_SUPPORTED */
+ if(png_ptr == NULL) return;
+
if (png_ptr->offset_table != NULL)
{
int i;
@@ -536,6 +541,7 @@
png_malloc_warn(png_structp png_ptr, png_uint_32 size)
{
png_voidp ptr;
+ if(png_ptr == NULL) return (NULL);
png_uint_32 save_flags=png_ptr->flags;
png_ptr->flags|=PNG_FLAG_MALLOC_NULL_MEM_OK;
@@ -580,9 +586,11 @@
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;
+ }
}
/* This function returns a pointer to the mem_ptr associated with the user
@@ -592,6 +600,7 @@
png_voidp PNGAPI
png_get_mem_ptr(png_structp png_ptr)
{
+ if(png_ptr == NULL) return (NULL);
return ((png_voidp)png_ptr->mem_ptr);
}
#endif /* PNG_USER_MEM_SUPPORTED */
diff --git a/pngpread.c b/pngpread.c
index 7a0d13a..d226c75 100644
--- a/pngpread.c
+++ b/pngpread.c
@@ -1,7 +1,7 @@
/* pngpread.c - read a png file in push mode
*
- * Last changed in libpng 1.2.11 - June 7, 2004
+ * Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -28,6 +28,7 @@
png_process_data(png_structp png_ptr, png_infop info_ptr,
png_bytep buffer, png_size_t buffer_size)
{
+ if(png_ptr == NULL) return;
png_push_restore_buffer(png_ptr, buffer, buffer_size);
while (png_ptr->buffer_size)
@@ -42,6 +43,7 @@
void /* PRIVATE */
png_process_some_data(png_structp png_ptr, png_infop info_ptr)
{
+ if(png_ptr == NULL) return;
switch (png_ptr->process_mode)
{
case PNG_READ_SIG_MODE:
@@ -561,6 +563,7 @@
{
png_bytep ptr;
+ if(png_ptr == NULL) return;
ptr = buffer;
if (png_ptr->save_buffer_size)
{
@@ -1550,6 +1553,7 @@
png_progressive_combine_row (png_structp png_ptr,
png_bytep old_row, png_bytep new_row)
{
+ if(png_ptr == NULL) return;
#ifdef PNG_USE_LOCAL_ARRAYS
const int FARDATA png_pass_dsp_mask[7] =
{0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, 0xff};
@@ -1563,6 +1567,7 @@
png_progressive_info_ptr info_fn, png_progressive_row_ptr row_fn,
png_progressive_end_ptr end_fn)
{
+ if(png_ptr == NULL) return;
png_ptr->info_fn = info_fn;
png_ptr->row_fn = row_fn;
png_ptr->end_fn = end_fn;
@@ -1573,6 +1578,7 @@
png_voidp PNGAPI
png_get_progressive_ptr(png_structp png_ptr)
{
+ if(png_ptr == NULL) return (NULL);
return png_ptr->io_ptr;
}
#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
diff --git a/pngread.c b/pngread.c
index 28706aa..4040d51 100644
--- a/pngread.c
+++ b/pngread.c
@@ -1,7 +1,7 @@
/* pngread.c - read a PNG file
*
- * Last changed in libpng 1.2.11 June 7, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -188,6 +188,7 @@
png_size_t png_struct_size, png_size_t png_info_size)
{
/* We only come here via pre-1.0.12-compiled applications */
+ if(png_ptr == NULL) return;
#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
if(png_sizeof(png_struct) > png_struct_size ||
png_sizeof(png_info) > png_info_size)
@@ -239,6 +240,8 @@
png_structp png_ptr=*ptr_ptr;
+ if(png_ptr == NULL) return;
+
do
{
if(user_png_ver[i] != png_libpng_ver[i])
@@ -317,6 +320,7 @@
void PNGAPI
png_read_info(png_structp png_ptr, png_infop info_ptr)
{
+ if(png_ptr == NULL) return;
png_debug(1, "in png_read_info\n");
/* If we haven't checked all of the PNG signature bytes, do so now. */
if (png_ptr->sig_bytes < 8)
@@ -533,6 +537,7 @@
png_read_update_info(png_structp png_ptr, png_infop info_ptr)
{
png_debug(1, "in png_read_update_info\n");
+ if(png_ptr == NULL) return;
if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
png_read_start_row(png_ptr);
else
@@ -551,6 +556,7 @@
png_start_read_image(png_structp png_ptr)
{
png_debug(1, "in png_start_read_image\n");
+ if(png_ptr == NULL) return;
if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
png_read_start_row(png_ptr);
}
@@ -566,6 +572,7 @@
const int png_pass_mask[7] = {0x80, 0x08, 0x88, 0x22, 0xaa, 0x55, 0xff};
#endif
int ret;
+ if(png_ptr == NULL) return;
png_debug2(1, "in png_read_row (row %lu, pass %d)\n",
png_ptr->row_number, png_ptr->pass);
if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
@@ -824,6 +831,7 @@
png_bytepp dp;
png_debug(1, "in png_read_rows\n");
+ if(png_ptr == NULL) return;
rp = row;
dp = display_row;
if (rp != NULL && dp != NULL)
@@ -872,6 +880,7 @@
png_bytepp rp;
png_debug(1, "in png_read_image\n");
+ if(png_ptr == NULL) return;
#ifdef PNG_READ_INTERLACING_SUPPORTED
pass = png_set_interlace_handling(png_ptr);
@@ -910,6 +919,7 @@
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 */
do
@@ -1300,6 +1310,7 @@
void PNGAPI
png_set_read_status_fn(png_structp png_ptr, png_read_status_ptr read_row_fn)
{
+ if(png_ptr == NULL) return;
png_ptr->read_row_fn = read_row_fn;
}
@@ -1313,6 +1324,7 @@
{
int row;
+ if(png_ptr == NULL) return;
#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED)
/* invert the alpha channel from opacity to transparency
*/
diff --git a/pngrio.c b/pngrio.c
index ce05cad..7d2522f 100644
--- a/pngrio.c
+++ b/pngrio.c
@@ -1,7 +1,7 @@
/* pngrio.c - functions for data input
*
- * Last changed in libpng 1.2.9 April 14, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -46,6 +46,7 @@
{
png_size_t check;
+ if(png_ptr == NULL) return;
/* fread() returns 0 on error, so it is OK to store this in a png_size_t
* instead of an int, which is what fread() actually returns.
*/
@@ -76,6 +77,7 @@
png_byte *n_data;
png_FILE_p io_ptr;
+ if(png_ptr == NULL) return;
/* Check if data really is near. If so, use usual code. */
n_data = (png_byte *)CVT_PTR_NOCHECK(data);
io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
@@ -136,6 +138,7 @@
png_set_read_fn(png_structp png_ptr, png_voidp io_ptr,
png_rw_ptr read_data_fn)
{
+ if(png_ptr == NULL) return;
png_ptr->io_ptr = io_ptr;
#if !defined(PNG_NO_STDIO)
diff --git a/pngrtran.c b/pngrtran.c
index bd1f597..8f68603 100644
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -1,7 +1,7 @@
/* pngrtran.c - transforms the data in a row for PNG readers
*
- * Last changed in libpng 1.2.11 June 15, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -24,6 +24,7 @@
{
png_debug(1, "in png_set_crc_action\n");
/* Tell libpng how we react to CRC errors in critical chunks */
+ if(png_ptr == NULL) return;
switch (crit_action)
{
case PNG_CRC_NO_CHANGE: /* leave setting as is */
@@ -80,6 +81,7 @@
int need_expand, double background_gamma)
{
png_debug(1, "in png_set_background\n");
+ if(png_ptr == NULL) return;
if (background_gamma_code == PNG_BACKGROUND_GAMMA_UNKNOWN)
{
png_warning(png_ptr, "Application must supply a known background gamma");
@@ -112,6 +114,7 @@
png_set_strip_16(png_structp png_ptr)
{
png_debug(1, "in png_set_strip_16\n");
+ if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_16_TO_8;
}
#endif
@@ -121,6 +124,7 @@
png_set_strip_alpha(png_structp png_ptr)
{
png_debug(1, "in png_set_strip_alpha\n");
+ if(png_ptr == NULL) return;
png_ptr->flags |= PNG_FLAG_STRIP_ALPHA;
}
#endif
@@ -150,6 +154,7 @@
int full_dither)
{
png_debug(1, "in png_set_dither\n");
+ if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_DITHER;
if (!full_dither)
@@ -533,6 +538,7 @@
png_set_gamma(png_structp png_ptr, double scrn_gamma, double file_gamma)
{
png_debug(1, "in png_set_gamma\n");
+ if(png_ptr == NULL) return;
if ((fabs(scrn_gamma * file_gamma - 1.0) > PNG_GAMMA_THRESHOLD) ||
(png_ptr->color_type & PNG_COLOR_MASK_ALPHA) ||
(png_ptr->color_type == PNG_COLOR_TYPE_PALETTE))
@@ -551,6 +557,7 @@
png_set_expand(png_structp png_ptr)
{
png_debug(1, "in png_set_expand\n");
+ if(png_ptr == NULL) return;
png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
}
@@ -576,6 +583,7 @@
png_set_palette_to_rgb(png_structp png_ptr)
{
png_debug(1, "in png_set_palette_to_rgb\n");
+ if(png_ptr == NULL) return;
png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
}
@@ -585,6 +593,7 @@
png_set_expand_gray_1_2_4_to_8(png_structp png_ptr)
{
png_debug(1, "in png_set_expand_gray_1_2_4_to_8\n");
+ if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_EXPAND_tRNS;
}
#endif
@@ -596,6 +605,7 @@
png_set_gray_1_2_4_to_8(png_structp png_ptr)
{
png_debug(1, "in png_set_gray_1_2_4_to_8\n");
+ if(png_ptr == NULL) return;
png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
}
#endif
@@ -631,6 +641,7 @@
{
int red_fixed = (int)((float)red*100000.0 + 0.5);
int green_fixed = (int)((float)green*100000.0 + 0.5);
+ if(png_ptr == NULL) return;
png_set_rgb_to_gray_fixed(png_ptr, error_action, red_fixed, green_fixed);
}
#endif
@@ -640,6 +651,7 @@
png_fixed_point red, png_fixed_point green)
{
png_debug(1, "in png_set_rgb_to_gray\n");
+ if(png_ptr == NULL) return;
switch(error_action)
{
case 1: png_ptr->transformations |= PNG_RGB_TO_GRAY;
@@ -690,6 +702,7 @@
read_user_transform_fn)
{
png_debug(1, "in png_set_read_user_transform_fn\n");
+ if(png_ptr == NULL) return;
#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
png_ptr->transformations |= PNG_USER_TRANSFORM;
png_ptr->read_user_transform_fn = read_user_transform_fn;
diff --git a/pngrutil.c b/pngrutil.c
index 78527e0..39c7595 100644
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file
*
- * Last changed in libpng 1.2.11 June 4, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -90,6 +90,7 @@
void /* PRIVATE */
png_crc_read(png_structp png_ptr, png_bytep buf, png_size_t length)
{
+ if(png_ptr == NULL) return;
png_read_data(png_ptr, buf, length);
png_calculate_crc(png_ptr, buf, length);
}
diff --git a/pngset.c b/pngset.c
index e3cdc27..22879f7 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct
*
- * Last changed in libpng 1.2.9 April 14, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -1256,6 +1256,7 @@
* rejected by png_set_IHDR(). To accept any PNG datastream
* regardless of dimensions, set both limits to 0x7ffffffL.
*/
+ if(png_ptr == NULL) return;
png_ptr->user_width_max = user_width_max;
png_ptr->user_height_max = user_height_max;
}
diff --git a/pngtest.c b/pngtest.c
index 22b0c21..274c5a1 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -1549,4 +1549,4 @@
}
/* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_0_21rc1 your_png_h_is_not_version_1_0_21rc1;
+typedef version_1_0_21rc2 your_png_h_is_not_version_1_0_21rc2;
diff --git a/pngtrans.c b/pngtrans.c
index 9c4d67c..25f42c8 100644
--- a/pngtrans.c
+++ b/pngtrans.c
@@ -1,7 +1,7 @@
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
*
- * Last changed in libpng 1.2.9 April 14, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -18,6 +18,7 @@
png_set_bgr(png_structp png_ptr)
{
png_debug(1, "in png_set_bgr\n");
+ if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_BGR;
}
#endif
@@ -28,6 +29,7 @@
png_set_swap(png_structp png_ptr)
{
png_debug(1, "in png_set_swap\n");
+ if(png_ptr == NULL) return;
if (png_ptr->bit_depth == 16)
png_ptr->transformations |= PNG_SWAP_BYTES;
}
@@ -39,6 +41,7 @@
png_set_packing(png_structp png_ptr)
{
png_debug(1, "in png_set_packing\n");
+ if(png_ptr == NULL) return;
if (png_ptr->bit_depth < 8)
{
png_ptr->transformations |= PNG_PACK;
@@ -53,6 +56,7 @@
png_set_packswap(png_structp png_ptr)
{
png_debug(1, "in png_set_packswap\n");
+ if(png_ptr == NULL) return;
if (png_ptr->bit_depth < 8)
png_ptr->transformations |= PNG_PACKSWAP;
}
@@ -63,6 +67,7 @@
png_set_shift(png_structp png_ptr, png_color_8p true_bits)
{
png_debug(1, "in png_set_shift\n");
+ if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_SHIFT;
png_ptr->shift = *true_bits;
}
@@ -74,7 +79,7 @@
png_set_interlace_handling(png_structp png_ptr)
{
png_debug(1, "in png_set_interlace handling\n");
- if (png_ptr->interlaced)
+ if (png_ptr && png_ptr->interlaced)
{
png_ptr->transformations |= PNG_INTERLACE;
return (7);
@@ -94,6 +99,7 @@
png_set_filler(png_structp png_ptr, png_uint_32 filler, int filler_loc)
{
png_debug(1, "in png_set_filler\n");
+ if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_FILLER;
png_ptr->filler = (png_byte)filler;
if (filler_loc == PNG_FILLER_AFTER)
@@ -126,6 +132,7 @@
png_set_add_alpha(png_structp png_ptr, png_uint_32 filler, int filler_loc)
{
png_debug(1, "in png_set_add_alpha\n");
+ if(png_ptr == NULL) return;
png_set_filler(png_ptr, filler, filler_loc);
png_ptr->transformations |= PNG_ADD_ALPHA;
}
@@ -139,6 +146,7 @@
png_set_swap_alpha(png_structp png_ptr)
{
png_debug(1, "in png_set_swap_alpha\n");
+ if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_SWAP_ALPHA;
}
#endif
@@ -149,6 +157,7 @@
png_set_invert_alpha(png_structp png_ptr)
{
png_debug(1, "in png_set_invert_alpha\n");
+ if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_INVERT_ALPHA;
}
#endif
@@ -158,6 +167,7 @@
png_set_invert_mono(png_structp png_ptr)
{
png_debug(1, "in png_set_invert_mono\n");
+ if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_INVERT_MONO;
}
@@ -621,6 +631,7 @@
user_transform_ptr, int user_transform_depth, int user_transform_channels)
{
png_debug(1, "in png_set_user_transform_info\n");
+ if(png_ptr == NULL) return;
#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
png_ptr->user_transform_ptr = user_transform_ptr;
png_ptr->user_transform_depth = (png_byte)user_transform_depth;
@@ -641,12 +652,10 @@
png_voidp PNGAPI
png_get_user_transform_ptr(png_structp png_ptr)
{
+ if (png_ptr == NULL) return (NULL);
#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
return ((png_voidp)png_ptr->user_transform_ptr);
-#else
- if(png_ptr)
- return (NULL);
- return (NULL);
#endif
+ return (NULL);
}
#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */
diff --git a/pngwio.c b/pngwio.c
index a9c1dc5..9c4620f 100644
--- a/pngwio.c
+++ b/pngwio.c
@@ -1,7 +1,7 @@
/* pngwio.c - functions for data output
*
- * Last changed in libpng 1.2.3 - May 21, 2002
+ * Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2002 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -45,6 +45,7 @@
{
png_uint_32 check;
+ if(png_ptr == NULL) return;
#if defined(_WIN32_WCE)
if ( !WriteFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) )
check = 0;
@@ -70,6 +71,7 @@
png_byte *near_data; /* Needs to be "png_byte *" instead of "png_bytep" */
png_FILE_p io_ptr;
+ if(png_ptr == NULL) return;
/* Check if data really is near. If so, use usual code. */
near_data = (png_byte *)CVT_PTR_NOCHECK(data);
io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
@@ -129,6 +131,7 @@
void PNGAPI
png_default_flush(png_structp png_ptr)
{
+ if(png_ptr == NULL) return;
#if !defined(_WIN32_WCE)
png_FILE_p io_ptr;
io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr));
@@ -165,6 +168,7 @@
png_set_write_fn(png_structp png_ptr, png_voidp io_ptr,
png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn)
{
+ if(png_ptr == NULL) return;
png_ptr->io_ptr = io_ptr;
#if !defined(PNG_NO_STDIO)
diff --git a/pngwrite.c b/pngwrite.c
index 95984f6..bc48218 100644
--- a/pngwrite.c
+++ b/pngwrite.c
@@ -1,7 +1,7 @@
/* pngwrite.c - general routines to write a PNG file
*
- * Last changed in libpng 1.2.9 April 14, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -576,6 +576,7 @@
png_size_t png_struct_size, png_size_t png_info_size)
{
/* We only come here via pre-1.0.12-compiled applications */
+ if(png_ptr == NULL) return;
#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
if(png_sizeof(png_struct) > png_struct_size ||
png_sizeof(png_info) > png_info_size)
diff --git a/pngwutil.c b/pngwutil.c
index 920c1e0..f7e72e3 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
- * Last changed in libpng 1.2.13 July 20, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -62,6 +62,7 @@
png_write_chunk(png_structp png_ptr, png_bytep chunk_name,
png_bytep data, png_size_t length)
{
+ if(png_ptr == NULL) return;
png_write_chunk_start(png_ptr, chunk_name, (png_uint_32)length);
png_write_chunk_data(png_ptr, data, length);
png_write_chunk_end(png_ptr);
@@ -77,6 +78,7 @@
{
png_byte buf[4];
png_debug2(0, "Writing %s chunk (%lu bytes)\n", chunk_name, length);
+ if(png_ptr == NULL) return;
/* write the length */
png_save_uint_32(buf, length);
@@ -98,6 +100,7 @@
png_write_chunk_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
/* write the data, and run the CRC over it */
+ if(png_ptr == NULL) return;
if (data != NULL && length > 0)
{
png_calculate_crc(png_ptr, data, length);
@@ -111,6 +114,8 @@
{
png_byte buf[4];
+ if(png_ptr == NULL) return;
+
/* write the crc */
png_save_uint_32(buf, png_ptr->crc);
diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in
index 07f51c9..da4b7b2 100755
--- a/scripts/libpng-config-head.in
+++ b/scripts/libpng-config-head.in
@@ -8,7 +8,7 @@
# Modeled after libxml-config.
-version=1.0.21rc1
+version=1.0.21rc2
prefix=""
libdir=""
libs=""
diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in
index d14119a..3ac28dd 100644
--- a/scripts/libpng.pc.in
+++ b/scripts/libpng.pc.in
@@ -5,6 +5,6 @@
Name: libpng
Description: Loads and saves PNG files
-Version: 1.0.21rc1
+Version: 1.0.21rc2
Libs: -L${libdir} -lpng10
Cflags: -I${includedir}
diff --git a/scripts/makefile.32sunu b/scripts/makefile.32sunu
index 0b22bd6..64cec18 100644
--- a/scripts/makefile.32sunu
+++ b/scripts/makefile.32sunu
@@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu
index c9dba3a..448fdad 100644
--- a/scripts/makefile.64sunu
+++ b/scripts/makefile.64sunu
@@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.aix b/scripts/makefile.aix
index dd7f211..12671ef 100644
--- a/scripts/makefile.aix
+++ b/scripts/makefile.aix
@@ -20,7 +20,7 @@
LIBNAME=libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
prefix=/usr/local
diff --git a/scripts/makefile.beos b/scripts/makefile.beos
index 4116866..7eb46e0 100644
--- a/scripts/makefile.beos
+++ b/scripts/makefile.beos
@@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin
index 4457097..5c4000e 100644
--- a/scripts/makefile.cygwin
+++ b/scripts/makefile.cygwin
@@ -80,7 +80,7 @@
LIBNAME = libpng10
PNGMAJ = 0
CYGDLL = 10
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=cygpng$(CYGDLL).dll
diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin
index 45a44ea..c2c4d9d 100644
--- a/scripts/makefile.darwin
+++ b/scripts/makefile.darwin
@@ -19,7 +19,7 @@
# Library name:
LIBNAME = libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.dec b/scripts/makefile.dec
index 6725f65..53435ae 100644
--- a/scripts/makefile.dec
+++ b/scripts/makefile.dec
@@ -5,7 +5,7 @@
# Library name:
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng10
diff --git a/scripts/makefile.elf b/scripts/makefile.elf
index dfe79fc..bc980cd 100644
--- a/scripts/makefile.elf
+++ b/scripts/makefile.elf
@@ -12,7 +12,7 @@
# Library name:
LIBNAME = libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.gcmmx b/scripts/makefile.gcmmx
index 6443d1d..5273b30 100644
--- a/scripts/makefile.gcmmx
+++ b/scripts/makefile.gcmmx
@@ -16,7 +16,7 @@
# Library name:
LIBNAME = libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.hp64 b/scripts/makefile.hp64
index 08975c1..89ebf0e 100644
--- a/scripts/makefile.hp64
+++ b/scripts/makefile.hp64
@@ -18,7 +18,7 @@
# Library name:
LIBNAME = libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.hpgcc b/scripts/makefile.hpgcc
index bd21e66..d3da714 100644
--- a/scripts/makefile.hpgcc
+++ b/scripts/makefile.hpgcc
@@ -8,7 +8,7 @@
# Library name:
LIBNAME = libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux
index c12fb5c..63f1869 100644
--- a/scripts/makefile.hpux
+++ b/scripts/makefile.hpux
@@ -18,7 +18,7 @@
# Library name:
LIBNAME = libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.linux b/scripts/makefile.linux
index 531a294..ffbc787 100644
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -6,7 +6,7 @@
# Library name:
LIBNAME = libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.mingw b/scripts/makefile.mingw
index f9a5207..f92bc1d 100644
--- a/scripts/makefile.mingw
+++ b/scripts/makefile.mingw
@@ -76,7 +76,7 @@
LIBNAME = libpng10
PNGMAJ = 0
MINGDLL = 10
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=libpng$(MINGDLL).dll
diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd
index 2589c3a..4a99523 100644
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -13,7 +13,7 @@
LIB= png12
SHLIB_MAJOR= 0
-SHLIB_MINOR= 1.0.21rc1
+SHLIB_MINOR= 1.0.21rc2
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
diff --git a/scripts/makefile.netbsd b/scripts/makefile.netbsd
index 5bc1bbd..f8e8731 100644
--- a/scripts/makefile.netbsd
+++ b/scripts/makefile.netbsd
@@ -13,7 +13,7 @@
LIB= png
SHLIB_MAJOR= 3
-SHLIB_MINOR= 1.0.21rc1
+SHLIB_MINOR= 1.0.21rc2
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
diff --git a/scripts/makefile.openbsd b/scripts/makefile.openbsd
index b386885..915f324 100644
--- a/scripts/makefile.openbsd
+++ b/scripts/makefile.openbsd
@@ -7,7 +7,7 @@
MANDIR= ${PREFIX}/man/cat
SHLIB_MAJOR= 0
-SHLIB_MINOR= 1.0.21rc1
+SHLIB_MINOR= 1.0.21rc2
LIB= png
SRCS= png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \
diff --git a/scripts/makefile.sco b/scripts/makefile.sco
index 2a50a71..c69dc63 100644
--- a/scripts/makefile.sco
+++ b/scripts/makefile.sco
@@ -9,7 +9,7 @@
# Library name:
LIBNAME = libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc
index 1296018..2f8ddbd 100644
--- a/scripts/makefile.sggcc
+++ b/scripts/makefile.sggcc
@@ -6,7 +6,7 @@
# Library name:
LIBNAME=libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.sgi b/scripts/makefile.sgi
index 6486032..c7abd71 100644
--- a/scripts/makefile.sgi
+++ b/scripts/makefile.sgi
@@ -6,7 +6,7 @@
# Library name:
LIBNAME=libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.so9 b/scripts/makefile.so9
index 9ac029b..b46c4c9 100644
--- a/scripts/makefile.so9
+++ b/scripts/makefile.so9
@@ -8,7 +8,7 @@
# Library name:
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng10
diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris
index 4e35f3d..d8b4e76 100644
--- a/scripts/makefile.solaris
+++ b/scripts/makefile.solaris
@@ -8,7 +8,7 @@
# Library name:
LIBNAME = libpng10
PNGMAJ = 0
-PNGMIN = 1.0.21rc1
+PNGMIN = 1.0.21rc2
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/pngos2.def b/scripts/pngos2.def
index 73f03fa..8a937a7 100644
--- a/scripts/pngos2.def
+++ b/scripts/pngos2.def
@@ -2,7 +2,7 @@
; PNG.LIB module definition file for OS/2
;----------------------------------------
-; Version 1.0.21rc1
+; Version 1.0.21rc2
LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2"
diff --git a/scripts/pngw32.def b/scripts/pngw32.def
index db44878..8921213 100644
--- a/scripts/pngw32.def
+++ b/scripts/pngw32.def
@@ -5,7 +5,7 @@
LIBRARY
EXPORTS
-;Version 1.0.21rc1
+;Version 1.0.21rc2
png_build_grayscale_palette @1
png_check_sig @2
png_chunk_error @3
