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Third Party Libpng
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体验新版 GitCode,发现更多精彩内容 >>
提交
975e7214
编写于
7月 21, 2008
作者:
G
Glenn Randers-Pehrson
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Imported from libpng-1.2.30rc02.tar
上级
b8bccdd0
变更
62
隐藏空白更改
内联
并排
Showing
62 changed file
with
238 addition
and
202 deletion
+238
-202
ANNOUNCE
ANNOUNCE
+24
-19
CHANGES
CHANGES
+6
-2
INSTALL
INSTALL
+8
-8
KNOWNBUG
KNOWNBUG
+1
-1
LICENSE
LICENSE
+2
-2
Makefile.am
Makefile.am
+1
-1
Makefile.in
Makefile.in
+1
-1
README
README
+7
-7
Y2KINFO
Y2KINFO
+2
-2
configure
configure
+11
-11
configure.ac
configure.ac
+2
-2
example.c
example.c
+1
-1
libpng-1.2.30rc02.txt
libpng-1.2.30rc02.txt
+4
-4
libpng.3
libpng.3
+9
-9
libpngpf.3
libpngpf.3
+3
-3
png.5
png.5
+1
-1
png.c
png.c
+3
-3
png.h
png.h
+14
-11
pngconf.h
pngconf.h
+1
-1
pngerror.c
pngerror.c
+1
-1
pngget.c
pngget.c
+1
-1
pngmem.c
pngmem.c
+1
-1
pngpread.c
pngpread.c
+1
-1
pngread.c
pngread.c
+2
-1
pngrio.c
pngrio.c
+1
-1
pngrtran.c
pngrtran.c
+1
-1
pngrutil.c
pngrutil.c
+93
-70
pngset.c
pngset.c
+1
-1
pngtest.c
pngtest.c
+2
-2
pngtrans.c
pngtrans.c
+1
-1
pngwio.c
pngwio.c
+1
-1
pngwrite.c
pngwrite.c
+1
-1
pngwutil.c
pngwutil.c
+1
-1
scripts/CMakeLists.txt
scripts/CMakeLists.txt
+1
-1
scripts/libpng-config-head.in
scripts/libpng-config-head.in
+1
-1
scripts/libpng.pc.in
scripts/libpng.pc.in
+1
-1
scripts/makefile.32sunu
scripts/makefile.32sunu
+1
-1
scripts/makefile.64sunu
scripts/makefile.64sunu
+1
-1
scripts/makefile.aix
scripts/makefile.aix
+1
-1
scripts/makefile.beos
scripts/makefile.beos
+1
-1
scripts/makefile.cygwin
scripts/makefile.cygwin
+1
-1
scripts/makefile.darwin
scripts/makefile.darwin
+1
-1
scripts/makefile.dec
scripts/makefile.dec
+1
-1
scripts/makefile.elf
scripts/makefile.elf
+1
-1
scripts/makefile.gcmmx
scripts/makefile.gcmmx
+1
-1
scripts/makefile.hp64
scripts/makefile.hp64
+1
-1
scripts/makefile.hpgcc
scripts/makefile.hpgcc
+1
-1
scripts/makefile.hpux
scripts/makefile.hpux
+1
-1
scripts/makefile.linux
scripts/makefile.linux
+1
-1
scripts/makefile.mingw
scripts/makefile.mingw
+1
-1
scripts/makefile.ne12bsd
scripts/makefile.ne12bsd
+1
-1
scripts/makefile.netbsd
scripts/makefile.netbsd
+1
-1
scripts/makefile.nommx
scripts/makefile.nommx
+1
-1
scripts/makefile.openbsd
scripts/makefile.openbsd
+1
-1
scripts/makefile.sco
scripts/makefile.sco
+1
-1
scripts/makefile.sggcc
scripts/makefile.sggcc
+1
-1
scripts/makefile.sgi
scripts/makefile.sgi
+1
-1
scripts/makefile.so9
scripts/makefile.so9
+1
-1
scripts/makefile.solaris
scripts/makefile.solaris
+1
-1
scripts/makefile.solaris-x86
scripts/makefile.solaris-x86
+1
-1
scripts/pngos2.def
scripts/pngos2.def
+1
-1
scripts/pngw32.def
scripts/pngw32.def
+1
-1
未找到文件。
ANNOUNCE
浏览文件 @
975e7214
Libpng 1.2.30rc0
1 - July 17
, 2008
Libpng 1.2.30rc0
2 - July 21
, 2008
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
...
...
@@ -9,37 +9,37 @@ Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
libpng-1.2.30rc0
1
.tar.gz
libpng-1.2.30rc0
1
.tar.lzma
libpng-1.2.30rc0
2
.tar.gz
libpng-1.2.30rc0
2
.tar.lzma
(Get the lzma codec from <http://tukaani.org/lzma>).
libpng-1.2.30rc0
1
.tar.bz2
libpng-1.2.30rc0
2
.tar.bz2
Source files with LF line endings (for Unix/Linux) without the
"configure" script
libpng-1.2.30rc0
1
-no-config.tar.gz
libpng-1.2.30rc0
1
-no-config.tar.lzma
libpng-1.2.30rc0
1
-no-config.tar.bz2
libpng-1.2.30rc0
2
-no-config.tar.gz
libpng-1.2.30rc0
2
-no-config.tar.lzma
libpng-1.2.30rc0
2
-no-config.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
lp1230r0
1
.zip
lp1230r0
1
.7z
lp1230r0
1
.tar.bz2
lp1230r0
2
.zip
lp1230r0
2
.7z
lp1230r0
2
.tar.bz2
Project files
libpng-1.2.30rc0
1
-project-netware.zip
libpng-1.2.30rc0
1
-project-wince.zip
libpng-1.2.30rc0
2
-project-netware.zip
libpng-1.2.30rc0
2
-project-wince.zip
Other information:
libpng-1.2.30rc0
1
-README.txt
libpng-1.2.30rc0
1
-KNOWNBUGS.txt
libpng-1.2.30rc0
1
-LICENSE.txt
libpng-1.2.30rc0
1
-Y2K-compliance.txt
libpng-1.2.30rc0
1
-[previous version]-diff.txt
libpng-1.2.30rc0
2
-README.txt
libpng-1.2.30rc0
2
-KNOWNBUGS.txt
libpng-1.2.30rc0
2
-LICENSE.txt
libpng-1.2.30rc0
2
-Y2K-compliance.txt
libpng-1.2.30rc0
2
-[previous version]-diff.txt
Changes since the last public release (1.2.29):
...
...
@@ -79,8 +79,8 @@ version 1.2.30beta03 [July 6, 2008]
Added demo of decoding vpAg and sTER chunks to pngtest.c, from 1.4.0beta19.
Changed PNGMAJ from 0 to 12 in makefile.darwin, which does not like 0.
Added new private function png_read_chunk_header() from 1.4.0beta19.
Merge reading of chunk length and chunk type into a single 8-byte read.
Merge writing of chunk length and chunk type into a single 8-byte write.
Merge
d
reading of chunk length and chunk type into a single 8-byte read.
Merge
d
writing of chunk length and chunk type into a single 8-byte write.
version 1.2.30beta04 [July 10, 2008]
Merged more cosmetic whitespace changes from libpng-1.4.0beta19.
...
...
@@ -88,6 +88,11 @@ version 1.2.30beta04 [July 10, 2008]
version 1.0.38rc01, 1.2.30rc01 [July 17, 2008]
No changes.
version 1.0.38rc02, 1.2.30rc02 [July 21, 2008]
Moved local array "chunkdata" from pngrutil.c to the png_struct, so
it will be freed by png_read_destroy() in case of a read error.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
...
...
CHANGES
浏览文件 @
975e7214
...
...
@@ -2180,8 +2180,8 @@ version 1.2.30beta03 [July 6, 2008]
Added demo of decoding vpAg and sTER chunks to pngtest.c, from 1.4.0beta19.
Changed PNGMAJ from 0 to 12 in makefile.darwin, which does not like 0.
Added new private function png_read_chunk_header() from 1.4.0beta19.
Merge reading of chunk length and chunk type into a single 8-byte read.
Merge writing of chunk length and chunk type into a single 8-byte write.
Merge
d
reading of chunk length and chunk type into a single 8-byte read.
Merge
d
writing of chunk length and chunk type into a single 8-byte write.
version 1.2.30beta04 [July 10, 2008]
Merged more cosmetic whitespace changes from libpng-1.4.0beta19.
...
...
@@ -2189,6 +2189,10 @@ version 1.2.30beta04 [July 10, 2008]
version 1.0.38rc01, 1.2.30rc01 [July 17, 2008]
No changes.
version 1.0.38rc02, 1.2.30rc02 [July 21, 2008]
Moved local array "chunkdata" from pngrutil.c to the png_struct, so
it will be freed by png_read_destroy() in case of a read error.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement
...
...
INSTALL
浏览文件 @
975e7214
Installing libpng version 1.2.30rc0
1 - July 17
, 2008
Installing libpng version 1.2.30rc0
2 - July 21
, 2008
On Unix/Linux and similar systems, you can simply type
...
...
@@ -44,7 +44,7 @@ to have access to the zlib.h and zconf.h include files that
correspond to the version of zlib that's installed.
You can rename the directories that you downloaded (they
might be called "libpng-1.2.30rc0
1
" or "lpng109" and "zlib-1.2.1"
might be called "libpng-1.2.30rc0
2
" or "lpng109" and "zlib-1.2.1"
or "zlib121") so that you have directories called "zlib" and "libpng".
Your directory structure should look like this:
...
...
@@ -101,9 +101,9 @@ include
CMakeLists.txt => "cmake" script
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng12.so.0.1.2.30rc0
1
)
gcc, creates libpng12.so.0.1.2.30rc0
2
)
makefile.linux => Linux/ELF makefile
(gcc, creates libpng12.so.0.1.2.30rc0
1
)
(gcc, creates libpng12.so.0.1.2.30rc0
2
)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
ansi2knr (Requires ansi2knr.c from
...
...
@@ -125,14 +125,14 @@ include
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.sggcc => Silicon Graphics (gcc,
creates libpng12.so.0.1.2.30rc0
1
)
creates libpng12.so.0.1.2.30rc0
2
)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile (gcc,
creates libpng12.so.0.1.2.30rc0
1
)
creates libpng12.so.0.1.2.30rc0
2
)
makefile.solaris-x86 => Solaris/intelMMX 2.X makefile (gcc,
creates libpng12.so.0.1.2.30rc0
1
)
creates libpng12.so.0.1.2.30rc0
2
)
makefile.so9 => Solaris 9 makefile (gcc,
creates libpng12.so.0.1.2.30rc0
1
)
creates libpng12.so.0.1.2.30rc0
2
)
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
...
...
KNOWNBUG
浏览文件 @
975e7214
Known bugs in libpng version 1.2.30rc0
1
Known bugs in libpng version 1.2.30rc0
2
1. February 23, 2006: The custom makefiles don't build libpng with -lz.
...
...
LICENSE
浏览文件 @
975e7214
...
...
@@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
If you modify libpng you may insert additional notices immediately following
this sentence.
libpng versions 1.2.6, August 15, 2004, through 1.2.30rc0
1, July 17
, 2008, are
libpng versions 1.2.6, August 15, 2004, through 1.2.30rc0
2, July 21
, 2008, are
Copyright (c) 2004, 2006-2008 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
...
...
@@ -106,4 +106,4 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
July
17
, 2008
July
21
, 2008
Makefile.am
浏览文件 @
975e7214
...
...
@@ -86,7 +86,7 @@ EXTRA_DIST= \
${srcdir}
/contrib/pngsuite/
*
\
${srcdir}
/contrib/visupng/
*
\
$(TESTS)
\
example.c libpng-1.2.30rc0
1
.txt pngvcrd.c
example.c libpng-1.2.30rc0
2
.txt pngvcrd.c
CLEANFILES
=
pngout.png libpng12.pc libpng12-config libpng.vers
\
libpng.sym
...
...
Makefile.in
浏览文件 @
975e7214
...
...
@@ -331,7 +331,7 @@ EXTRA_DIST = \
${srcdir}
/contrib/pngsuite/
*
\
${srcdir}
/contrib/visupng/
*
\
$(TESTS)
\
example.c libpng-1.2.30rc0
1
.txt pngvcrd.c
example.c libpng-1.2.30rc0
2
.txt pngvcrd.c
CLEANFILES
=
pngout.png libpng12.pc libpng12-config libpng.vers
\
libpng.sym
...
...
README
浏览文件 @
975e7214
README for libpng version 1.2.30rc0
1 - July 17
, 2008 (shared library 12.0)
README for libpng version 1.2.30rc0
2 - July 21
, 2008 (shared library 12.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.
...
...
@@ -194,11 +194,11 @@ Files in this distribution:
descrip.mms => VMS makefile for MMS or MMK
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng12.so.0.1.2.30rc0
1
)
gcc, creates libpng12.so.0.1.2.30rc0
2
)
makefile.linux => Linux/ELF makefile
(gcc, creates libpng12.so.0.1.2.30rc0
1
)
(gcc, creates libpng12.so.0.1.2.30rc0
2
)
makefile.gcmmx => Linux/ELF makefile
(gcc, creates libpng12.so.0.1.2.30rc0
1
,
(gcc, creates libpng12.so.0.1.2.30rc0
2
,
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
...
...
@@ -220,12 +220,12 @@ Files in this distribution:
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
makefile.sggcc => Silicon Graphics
(gcc, creates libpng12.so.0.1.2.30rc0
1
)
(gcc, creates libpng12.so.0.1.2.30rc0
2
)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile
(gcc, creates libpng12.so.0.1.2.30rc0
1
)
(gcc, creates libpng12.so.0.1.2.30rc0
2
)
makefile.so9 => Solaris 9 makefile
(gcc, creates libpng12.so.0.1.2.30rc0
1
)
(gcc, creates libpng12.so.0.1.2.30rc0
2
)
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
...
...
Y2KINFO
浏览文件 @
975e7214
Y2K compliance in libpng:
=========================
July
17
, 2008
July
21
, 2008
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
This is your unofficial assurance that libpng from version 0.71 and
upward through 1.2.30rc0
1
are Y2K compliant. It is my belief that earlier
upward through 1.2.30rc0
2
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
...
...
configure
浏览文件 @
975e7214
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.62 for libpng 1.2.30rc0
1
.
# Generated by GNU Autoconf 2.62 for libpng 1.2.30rc0
2
.
#
# Report bugs to <png-mng-implement@lists.sourceforge.net>.
#
...
...
@@ -745,8 +745,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
# Identity of this package.
PACKAGE_NAME
=
'libpng'
PACKAGE_TARNAME
=
'libpng'
PACKAGE_VERSION
=
'1.2.30rc0
1
'
PACKAGE_STRING
=
'libpng 1.2.30rc0
1
'
PACKAGE_VERSION
=
'1.2.30rc0
2
'
PACKAGE_STRING
=
'libpng 1.2.30rc0
2
'
PACKAGE_BUGREPORT
=
'png-mng-implement@lists.sourceforge.net'
ac_unique_file
=
"pngget.c"
...
...
@@ -1484,7 +1484,7 @@ if test "$ac_init_help" = "long"; then
# Omit some internal or obsolete options to make the list less imposing.
# This message is too long to be a string in the A/UX 3.1 sh.
cat
<<
_ACEOF
\`
configure' configures libpng 1.2.30rc0
1
to adapt to many kinds of systems.
\`
configure' configures libpng 1.2.30rc0
2
to adapt to many kinds of systems.
Usage:
$0
[OPTION]... [VAR=VALUE]...
...
...
@@ -1554,7 +1554,7 @@ fi
if
test
-n
"
$ac_init_help
"
;
then
case
$ac_init_help
in
short
|
recursive
)
echo
"Configuration of libpng 1.2.30rc0
1
:"
;;
short
|
recursive
)
echo
"Configuration of libpng 1.2.30rc0
2
:"
;;
esac
cat
<<
\
_ACEOF
...
...
@@ -1661,7 +1661,7 @@ fi
test
-n
"
$ac_init_help
"
&&
exit
$ac_status
if
$ac_init_version
;
then
cat
<<
\
_ACEOF
libpng configure 1.2.30rc0
1
libpng configure 1.2.30rc0
2
generated by GNU Autoconf 2.62
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
...
...
@@ -1675,7 +1675,7 @@ cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
It was created by libpng
$as_me
1.2.30rc0
1
, which was
It was created by libpng
$as_me
1.2.30rc0
2
, which was
generated by GNU Autoconf 2.62. Invocation command line was
$ $0
$@
...
...
@@ -2389,7 +2389,7 @@ fi
# Define the identity of the package.
PACKAGE
=
'libpng'
VERSION
=
'1.2.30rc0
1
'
VERSION
=
'1.2.30rc0
2
'
cat
>>
confdefs.h
<<
_ACEOF
...
...
@@ -2558,7 +2558,7 @@ fi
PNGLIB_VERSION
=
1.2.30rc0
1
PNGLIB_VERSION
=
1.2.30rc0
2
PNGLIB_MAJOR
=
1
PNGLIB_MINOR
=
2
PNGLIB_RELEASE
=
30
...
...
@@ -13125,7 +13125,7 @@ exec 6>&1
# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
This file was extended by libpng
$as_me
1.2.30rc0
1
, which was
This file was extended by libpng
$as_me
1.2.30rc0
2
, which was
generated by GNU Autoconf 2.62. Invocation command line was
CONFIG_FILES =
$CONFIG_FILES
...
...
@@ -13178,7 +13178,7 @@ Report bugs to <bug-autoconf@gnu.org>."
_ACEOF
cat
>>
$CONFIG_STATUS
<<
_ACEOF
|| ac_write_fail=1
ac_cs_version="
\\
libpng config.status 1.2.30rc0
1
libpng config.status 1.2.30rc0
2
configured by
$0
, generated by GNU Autoconf 2.62,
with options
\\
"`
$as_echo
"
$ac_configure_args
" | sed 's/^ //; s/[
\\
""
\`\$
]/
\\\\
&/g'`
\\
"
...
...
configure.ac
浏览文件 @
975e7214
...
...
@@ -18,12 +18,12 @@ AC_PREREQ(2.59)
dnl Version number stuff here:
AC_INIT([libpng], [1.2.30rc0
1
], [png-mng-implement@lists.sourceforge.net])
AC_INIT([libpng], [1.2.30rc0
2
], [png-mng-implement@lists.sourceforge.net])
AM_INIT_AUTOMAKE
dnl stop configure from automagically running automake
AM_MAINTAINER_MODE
PNGLIB_VERSION=1.2.30rc0
1
PNGLIB_VERSION=1.2.30rc0
2
PNGLIB_MAJOR=1
PNGLIB_MINOR=2
PNGLIB_RELEASE=30
...
...
example.c
浏览文件 @
975e7214
...
...
@@ -2,7 +2,7 @@
#if 0 /* in case someone actually tries to compile this */
/* example.c - an example of using libpng
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* This file has been placed in the public domain by the authors.
* Maintained 1998-2008 Glenn Randers-Pehrson
* Maintained 1996, 1997 Andreas Dilger)
...
...
libpng-1.2.30rc0
1
.txt
→
libpng-1.2.30rc0
2
.txt
浏览文件 @
975e7214
libpng.txt - A description on how to use and modify libpng
libpng version 1.2.30rc0
1 - July 17
, 2008
libpng version 1.2.30rc0
2 - July 21
, 2008
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2008 Glenn Randers-Pehrson
...
...
@@ -9,7 +9,7 @@ libpng.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.2.30rc0
1 - July 17
, 2008
libpng versions 0.97, January 1998, through 1.2.30rc0
2 - July 21
, 2008
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2008 Glenn Randers-Pehrson
...
...
@@ -2851,13 +2851,13 @@ application:
IX. Y2K Compliance in libpng
July
17
, 2008
July
21
, 2008
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
This is your unofficial assurance that libpng from version 0.71 and
upward through 1.2.30rc0
1
are Y2K compliant. It is my belief that earlier
upward through 1.2.30rc0
2
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
...
...
libpng.3
浏览文件 @
975e7214
.TH LIBPNG 3 "July
17
, 2008"
.TH LIBPNG 3 "July
21
, 2008"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.30rc0
1
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.30rc0
2
.SH SYNOPSIS
\fI\fB
...
...
@@ -821,7 +821,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
.SH LIBPNG.TXT
libpng.txt - A description on how to use and modify libpng
libpng version 1.2.30rc0
1 - July 17
, 2008
libpng version 1.2.30rc0
2 - July 21
, 2008
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2008 Glenn Randers-Pehrson
...
...
@@ -830,7 +830,7 @@ libpng.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.2.30rc0
1 - July 17
, 2008
libpng versions 0.97, January 1998, through 1.2.30rc0
2 - July 21
, 2008
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2008 Glenn Randers-Pehrson
...
...
@@ -3672,13 +3672,13 @@ application:
.SH IX. Y2K Compliance in libpng
July
17
, 2008
July
21
, 2008
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
This is your unofficial assurance that libpng from version 0.71 and
upward through 1.2.30rc0
1
are Y2K compliant. It is my belief that earlier
upward through 1.2.30rc0
2
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
...
...
@@ -3969,7 +3969,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.2.30rc0
1 - July 17
, 2008:
Libpng version 1.2.30rc0
2 - July 21
, 2008:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
...
...
@@ -3990,7 +3990,7 @@ included in the libpng distribution, the latter shall prevail.)
If you modify libpng you may insert additional notices immediately following
this sentence.
libpng versions 1.2.6, August 15, 2004, through 1.2.30rc0
1, July 17
, 2008, are
libpng versions 1.2.6, August 15, 2004, through 1.2.30rc0
2, July 21
, 2008, are
Copyright (c) 2004,2006-2008 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
...
...
@@ -4089,7 +4089,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
July
17
, 2008
July
21
, 2008
.\" end of man page
libpngpf.3
浏览文件 @
975e7214
.TH LIBPNGPF 3 "July
17
, 2008"
.TH LIBPNGPF 3 "July
21
, 2008"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.30rc0
1
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.30rc0
2
(private functions)
.SH SYNOPSIS
\fB#include <png.h>\fP
...
...
@@ -81,7 +81,7 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.2.30rc01
\fI\fB
\fBpng_charp png_decompress_chunk (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcomp_type\fP\fB, png_
char
p \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
\fBpng_charp png_decompress_chunk (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcomp_type\fP\fB, png_
byte
p \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
...
...
png.5
浏览文件 @
975e7214
.TH PNG 5 "July
17
, 2008"
.TH PNG 5 "July
21
, 2008"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION
...
...
png.c
浏览文件 @
975e7214
/* png.c - location for general purpose libpng functions
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -13,7 +13,7 @@
#include "png.h"
/* Generate a compiler error if there is an old png.h in the search path. */
typedef
version_1_2_30rc0
1
Your_png_h_is_not_version_1_2_30rc01
;
typedef
version_1_2_30rc0
2
Your_png_h_is_not_version_1_2_30rc02
;
/* Version information for C files. This had better match the version
* string defined in png.h. */
...
...
@@ -693,7 +693,7 @@ png_charp PNGAPI
png_get_copyright
(
png_structp
png_ptr
)
{
png_ptr
=
png_ptr
;
/* silence compiler warning about unused png_ptr */
return
((
png_charp
)
"
\n
libpng version 1.2.30rc0
1 - July 17
, 2008
\n
\
return
((
png_charp
)
"
\n
libpng version 1.2.30rc0
2 - July 21
, 2008
\n
\
Copyright (c) 1998-2008 Glenn Randers-Pehrson
\n
\
Copyright (c) 1996-1997 Andreas Dilger
\n
\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
\n
"
);
...
...
png.h
浏览文件 @
975e7214
/* png.h - header file for PNG reference library
*
* libpng version 1.2.30rc0
1 - July 17
, 2008
* libpng version 1.2.30rc0
2 - July 21
, 2008
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
...
...
@@ -8,7 +8,7 @@
* Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.2.30rc0
1 - July 17
, 2008: Glenn
* libpng versions 0.97, January 1998, through 1.2.30rc0
2 - July 21
, 2008: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
...
...
@@ -194,8 +194,8 @@
* 1.2.29 13 10229 12.so.0.29[.0]
* 1.0.37 10 10037 10.so.0.37[.0]
* 1.2.30beta01-04 13 10230 12.so.0.30[.0]
* 1.0.38rc01
10 10038 10.so.0.38[.0]
* 1.2.30rc01
13 10230 12.so.0.30[.0]
* 1.0.38rc01
-02
10 10038 10.so.0.38[.0]
* 1.2.30rc01
-02
13 10230 12.so.0.30[.0]
*
* Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be
...
...
@@ -225,7 +225,7 @@
* If you modify libpng you may insert additional notices immediately following
* this sentence.
*
* libpng versions 1.2.6, August 15, 2004, through 1.2.30rc0
1, July 17
, 2008, are
* libpng versions 1.2.6, August 15, 2004, through 1.2.30rc0
2, July 21
, 2008, are
* Copyright (c) 2004, 2006-2008 Glenn Randers-Pehrson, and are
* distributed according to the same disclaimer and license as libpng-1.2.5
* with the following individual added to the list of Contributing Authors:
...
...
@@ -337,13 +337,13 @@
* Y2K compliance in libpng:
* =========================
*
* July
17
, 2008
* July
21
, 2008
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
*
* This is your unofficial assurance that libpng from version 0.71 and
* upward through 1.2.30rc0
1
are Y2K compliant. It is my belief that earlier
* upward through 1.2.30rc0
2
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
...
...
@@ -399,9 +399,9 @@
*/
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.2.30rc0
1
"
#define PNG_LIBPNG_VER_STRING "1.2.30rc0
2
"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.2.30rc0
1 - July 17
, 2008\n"
" libpng version 1.2.30rc0
2 - July 21
, 2008\n"
#define PNG_LIBPNG_VER_SONUM 0
#define PNG_LIBPNG_VER_DLLNUM 13
...
...
@@ -413,7 +413,7 @@
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
#define PNG_LIBPNG_VER_BUILD 0
1
#define PNG_LIBPNG_VER_BUILD 0
2
/* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1
...
...
@@ -1449,13 +1449,16 @@ struct png_struct_def
/* New members added in libpng-1.2.26 */
png_uint_32
old_big_row_buf_size
,
old_prev_row_size
;
/* New member added in libpng-1.2.30 */
png_charp
chunkdata
;
/* buffer for reading chunk data */
};
/* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number.
*/
typedef
png_structp
version_1_2_30rc0
1
;
typedef
png_structp
version_1_2_30rc0
2
;
typedef
png_struct
FAR
*
FAR
*
png_structpp
;
...
...
pngconf.h
浏览文件 @
975e7214
/* pngconf.h - machine configurable file for libpng
*
* libpng version 1.2.30rc0
1 - July 17
, 2008
* libpng version 1.2.30rc0
2 - July 21
, 2008
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngerror.c
浏览文件 @
975e7214
/* pngerror.c - stub functions for i/o and memory allocation
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngget.c
浏览文件 @
975e7214
/* pngget.c - retrieval of values from info struct
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngmem.c
浏览文件 @
975e7214
/* pngmem.c - stub functions for memory allocation
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngpread.c
浏览文件 @
975e7214
/* pngpread.c - read a png file in push mode
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngread.c
浏览文件 @
975e7214
/* pngread.c - read a PNG file
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -1171,6 +1171,7 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr
png_free
(
png_ptr
,
png_ptr
->
zbuf
);
png_free
(
png_ptr
,
png_ptr
->
big_row_buf
);
png_free
(
png_ptr
,
png_ptr
->
prev_row
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
#if defined(PNG_READ_DITHER_SUPPORTED)
png_free
(
png_ptr
,
png_ptr
->
palette_lookup
);
png_free
(
png_ptr
,
png_ptr
->
dither_index
);
...
...
pngrio.c
浏览文件 @
975e7214
/* pngrio.c - functions for data input
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngrtran.c
浏览文件 @
975e7214
/* pngrtran.c - transforms the data in a row for PNG readers
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngrutil.c
浏览文件 @
975e7214
/* pngrutil.c - utilities to read a PNG file
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -252,6 +252,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
if
(
text
==
NULL
)
{
png_free
(
png_ptr
,
chunkdata
);
chunkdata
=
NULL
;
png_error
(
png_ptr
,
"Not enough memory to decompress chunk"
);
}
png_memcpy
(
text
,
chunkdata
,
prefix_size
);
...
...
@@ -276,6 +277,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
if
(
text
==
NULL
)
{
png_free
(
png_ptr
,
chunkdata
);
chunkdata
=
NULL
;
png_error
(
png_ptr
,
"Not enough memory to decompress chunk."
);
}
...
...
@@ -296,6 +298,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
{
png_free
(
png_ptr
,
tmp
);
png_free
(
png_ptr
,
chunkdata
);
chunkdata
=
NULL
;
png_error
(
png_ptr
,
"Not enough memory to decompress chunk.."
);
}
...
...
@@ -344,6 +347,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
if
(
text
==
NULL
)
{
png_free
(
png_ptr
,
chunkdata
);
chunkdata
=
NULL
;
png_error
(
png_ptr
,
"Not enough memory for text."
);
}
png_memcpy
(
text
,
chunkdata
,
prefix_size
);
...
...
@@ -1006,7 +1010,6 @@ void /* PRIVATE */
png_handle_iCCP
(
png_structp
png_ptr
,
png_infop
info_ptr
,
png_uint_32
length
)
/* Note: this does not properly handle chunks that are > 64K under DOS */
{
png_charp
chunkdata
;
png_byte
compression_type
;
png_bytep
pC
;
png_charp
profile
;
...
...
@@ -1044,28 +1047,31 @@ png_handle_iCCP(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
}
#endif
chunkdata
=
(
png_charp
)
png_malloc
(
png_ptr
,
length
+
1
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
(
png_charp
)
png_malloc
(
png_ptr
,
length
+
1
);
slength
=
(
png_size_t
)
length
;
png_crc_read
(
png_ptr
,
(
png_bytep
)
chunkdata
,
slength
);
png_crc_read
(
png_ptr
,
(
png_bytep
)
png_ptr
->
chunkdata
,
slength
);
if
(
png_crc_finish
(
png_ptr
,
skip
))
{
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
return
;
}
chunkdata
[
slength
]
=
0x00
;
png_ptr
->
chunkdata
[
slength
]
=
0x00
;
for
(
profile
=
chunkdata
;
*
profile
;
profile
++
)
for
(
profile
=
png_ptr
->
chunkdata
;
*
profile
;
profile
++
)
/* empty loop to find end of name */
;
++
profile
;
/* there should be at least one zero (the compression type byte)
following the separator, and we should be on it */
if
(
profile
>=
chunkdata
+
slength
-
1
)
if
(
profile
>=
png_ptr
->
chunkdata
+
slength
-
1
)
{
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
png_warning
(
png_ptr
,
"Malformed iCCP chunk"
);
return
;
}
...
...
@@ -1079,21 +1085,22 @@ png_handle_iCCP(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
wrote nonzero) */
}
prefix_length
=
profile
-
chunkdata
;
chunkdata
=
png_decompress_chunk
(
png_ptr
,
compression_type
,
chunkdata
,
slength
,
prefix_length
,
&
data_length
);
prefix_length
=
profile
-
png_ptr
->
chunkdata
;
png_ptr
->
chunkdata
=
png_decompress_chunk
(
png_ptr
,
compression_type
,
png_ptr
->
chunkdata
,
slength
,
prefix_length
,
&
data_length
);
profile_length
=
data_length
-
prefix_length
;
if
(
prefix_length
>
data_length
||
profile_length
<
4
)
{
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
png_warning
(
png_ptr
,
"Profile size field missing from iCCP chunk"
);
return
;
}
/* Check the profile_size recorded in the first 32 bits of the ICC profile */
pC
=
(
png_bytep
)(
chunkdata
+
prefix_length
);
pC
=
(
png_bytep
)(
png_ptr
->
chunkdata
+
prefix_length
);
profile_size
=
((
*
(
pC
))
<<
24
)
|
((
*
(
pC
+
1
))
<<
16
)
|
((
*
(
pC
+
2
))
<<
8
)
|
...
...
@@ -1104,14 +1111,16 @@ png_handle_iCCP(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
if
(
profile_size
>
profile_length
)
{
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
png_warning
(
png_ptr
,
"Ignoring truncated iCCP profile."
);
return
;
}
png_set_iCCP
(
png_ptr
,
info_ptr
,
chunkdata
,
compression_type
,
chunkdata
+
prefix_length
,
profile_length
);
png_free
(
png_ptr
,
chunkdata
);
png_set_iCCP
(
png_ptr
,
info_ptr
,
png_ptr
->
chunkdata
,
compression_type
,
png_ptr
->
chunkdata
+
prefix_length
,
profile_length
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
}
#endif
/* PNG_READ_iCCP_SUPPORTED */
...
...
@@ -1120,7 +1129,6 @@ void /* PRIVATE */
png_handle_sPLT
(
png_structp
png_ptr
,
png_infop
info_ptr
,
png_uint_32
length
)
/* Note: this does not properly handle chunks that are > 64K under DOS */
{
png_bytep
chunkdata
;
png_bytep
entry_start
;
png_sPLT_t
new_palette
;
#ifdef PNG_NO_POINTER_INDEXING
...
...
@@ -1150,38 +1158,42 @@ png_handle_sPLT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
}
#endif
chunkdata
=
(
png_bytep
)
png_malloc
(
png_ptr
,
length
+
1
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
(
png_charp
)
png_malloc
(
png_ptr
,
length
+
1
);
slength
=
(
png_size_t
)
length
;
png_crc_read
(
png_ptr
,
(
png_bytep
)
chunkdata
,
slength
);
png_crc_read
(
png_ptr
,
(
png_bytep
)
png_ptr
->
chunkdata
,
slength
);
if
(
png_crc_finish
(
png_ptr
,
skip
))
{
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
return
;
}
chunkdata
[
slength
]
=
0x00
;
png_ptr
->
chunkdata
[
slength
]
=
0x00
;
for
(
entry_start
=
chunkdata
;
*
entry_start
;
entry_start
++
)
for
(
entry_start
=
(
png_bytep
)
png_ptr
->
chunkdata
;
*
entry_start
;
entry_start
++
)
/* empty loop to find end of name */
;
++
entry_start
;
/* a sample depth should follow the separator, and we should be on it */
if
(
entry_start
>
chunkdata
+
slength
-
2
)
if
(
entry_start
>
(
png_bytep
)
png_ptr
->
chunkdata
+
slength
-
2
)
{
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
png_warning
(
png_ptr
,
"malformed sPLT chunk"
);
return
;
}
new_palette
.
depth
=
*
entry_start
++
;
entry_size
=
(
new_palette
.
depth
==
8
?
6
:
10
);
data_length
=
(
slength
-
(
entry_start
-
chunkdata
));
data_length
=
(
slength
-
(
entry_start
-
(
png_bytep
)
png_ptr
->
chunkdata
));
/* integrity-check the data length */
if
(
data_length
%
entry_size
)
{
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
png_warning
(
png_ptr
,
"sPLT chunk has bad length"
);
return
;
}
...
...
@@ -1246,11 +1258,12 @@ png_handle_sPLT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
#endif
/* discard all chunk data except the name and stash that */
new_palette
.
name
=
(
png_charp
)
chunkdata
;
new_palette
.
name
=
png_ptr
->
chunkdata
;
png_set_sPLT
(
png_ptr
,
info_ptr
,
&
new_palette
,
1
);
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
png_free
(
png_ptr
,
new_palette
.
entries
);
}
#endif
/* PNG_READ_sPLT_SUPPORTED */
...
...
@@ -1974,7 +1987,6 @@ void /* PRIVATE */
png_handle_zTXt
(
png_structp
png_ptr
,
png_infop
info_ptr
,
png_uint_32
length
)
{
png_textp
text_ptr
;
png_charp
chunkdata
;
png_charp
text
;
int
comp_type
;
int
ret
;
...
...
@@ -1998,30 +2010,33 @@ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
}
#endif
chunkdata
=
(
png_charp
)
png_malloc_warn
(
png_ptr
,
length
+
1
);
if
(
chunkdata
==
NULL
)
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
(
png_charp
)
png_malloc_warn
(
png_ptr
,
length
+
1
);
if
(
png_ptr
->
chunkdata
==
NULL
)
{
png_warning
(
png_ptr
,
"Out of memory processing zTXt chunk."
);
return
;
}
slength
=
(
png_size_t
)
length
;
png_crc_read
(
png_ptr
,
(
png_bytep
)
chunkdata
,
slength
);
png_crc_read
(
png_ptr
,
(
png_bytep
)
png_ptr
->
chunkdata
,
slength
);
if
(
png_crc_finish
(
png_ptr
,
0
))
{
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
return
;
}
chunkdata
[
slength
]
=
0x00
;
png_ptr
->
chunkdata
[
slength
]
=
0x00
;
for
(
text
=
chunkdata
;
*
text
;
text
++
)
for
(
text
=
png_ptr
->
chunkdata
;
*
text
;
text
++
)
/* empty loop */
;
/* zTXt must have some text after the chunkdataword */
if
(
text
>=
chunkdata
+
slength
-
2
)
if
(
text
>=
png_ptr
->
chunkdata
+
slength
-
2
)
{
png_warning
(
png_ptr
,
"Truncated zTXt chunk"
);
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
return
;
}
else
...
...
@@ -2034,33 +2049,35 @@ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
}
text
++
;
/* skip the compression_method byte */
}
prefix_len
=
text
-
chunkdata
;
prefix_len
=
text
-
png_ptr
->
chunkdata
;
chunkdata
=
(
png_charp
)
png_decompress_chunk
(
png_ptr
,
comp_type
,
chunkdata
,
(
png_size_t
)
length
,
prefix_len
,
&
data_len
);
png_ptr
->
chunkdata
=
(
png_charp
)
png_decompress_chunk
(
png_ptr
,
comp_type
,
png_ptr
->
chunkdata
,
(
png_size_t
)
length
,
prefix_len
,
&
data_len
);
text_ptr
=
(
png_textp
)
png_malloc_warn
(
png_ptr
,
(
png_uint_32
)
png_sizeof
(
png_text
));
if
(
text_ptr
==
NULL
)
{
png_warning
(
png_ptr
,
"Not enough memory to process zTXt chunk."
);
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
return
;
}
text_ptr
->
compression
=
comp_type
;
text_ptr
->
key
=
chunkdata
;
text_ptr
->
key
=
png_ptr
->
chunkdata
;
#ifdef PNG_iTXt_SUPPORTED
text_ptr
->
lang
=
NULL
;
text_ptr
->
lang_key
=
NULL
;
text_ptr
->
itxt_length
=
0
;
#endif
text_ptr
->
text
=
chunkdata
+
prefix_len
;
text_ptr
->
text
=
png_ptr
->
chunkdata
+
prefix_len
;
text_ptr
->
text_length
=
data_len
;
ret
=
png_set_text_2
(
png_ptr
,
info_ptr
,
text_ptr
,
1
);
png_free
(
png_ptr
,
text_ptr
);
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
if
(
ret
)
png_error
(
png_ptr
,
"Insufficient memory to store zTXt chunk."
);
}
...
...
@@ -2072,7 +2089,6 @@ void /* PRIVATE */
png_handle_iTXt
(
png_structp
png_ptr
,
png_infop
info_ptr
,
png_uint_32
length
)
{
png_textp
text_ptr
;
png_charp
chunkdata
;
png_charp
key
,
lang
,
text
,
lang_key
;
int
comp_flag
;
int
comp_type
=
0
;
...
...
@@ -2098,23 +2114,25 @@ png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
}
#endif
chunkdata
=
(
png_charp
)
png_malloc_warn
(
png_ptr
,
length
+
1
);
if
(
chunkdata
==
NULL
)
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
(
png_charp
)
png_malloc_warn
(
png_ptr
,
length
+
1
);
if
(
png_ptr
->
chunkdata
==
NULL
)
{
png_warning
(
png_ptr
,
"No memory to process iTXt chunk."
);
return
;
}
slength
=
(
png_size_t
)
length
;
png_crc_read
(
png_ptr
,
(
png_bytep
)
chunkdata
,
slength
);
png_crc_read
(
png_ptr
,
(
png_bytep
)
png_ptr
->
chunkdata
,
slength
);
if
(
png_crc_finish
(
png_ptr
,
0
))
{
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
return
;
}
chunkdata
[
slength
]
=
0x00
;
png_ptr
->
chunkdata
[
slength
]
=
0x00
;
for
(
lang
=
chunkdata
;
*
lang
;
lang
++
)
for
(
lang
=
png_ptr
->
chunkdata
;
*
lang
;
lang
++
)
/* empty loop */
;
lang
++
;
/* skip NUL separator */
...
...
@@ -2122,10 +2140,11 @@ png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
translated keyword (possibly empty), and possibly some text after the
keyword */
if
(
lang
>=
chunkdata
+
slength
-
3
)
if
(
lang
>=
png_ptr
->
chunkdata
+
slength
-
3
)
{
png_warning
(
png_ptr
,
"Truncated iTXt chunk"
);
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
return
;
}
else
...
...
@@ -2138,51 +2157,55 @@ png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
/* empty loop */
;
lang_key
++
;
/* skip NUL separator */
if
(
lang_key
>=
chunkdata
+
slength
)
if
(
lang_key
>=
png_ptr
->
chunkdata
+
slength
)
{
png_warning
(
png_ptr
,
"Truncated iTXt chunk"
);
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
return
;
}
for
(
text
=
lang_key
;
*
text
;
text
++
)
/* empty loop */
;
text
++
;
/* skip NUL separator */
if
(
text
>=
chunkdata
+
slength
)
if
(
text
>=
png_ptr
->
chunkdata
+
slength
)
{
png_warning
(
png_ptr
,
"Malformed iTXt chunk"
);
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
return
;
}
prefix_len
=
text
-
chunkdata
;
prefix_len
=
text
-
png_ptr
->
chunkdata
;
key
=
chunkdata
;
key
=
png_ptr
->
chunkdata
;
if
(
comp_flag
)
chunkdata
=
png_decompress_chunk
(
png_ptr
,
comp_type
,
chunkdata
,
(
size_t
)
length
,
prefix_len
,
&
data_len
);
png_ptr
->
chunkdata
=
png_decompress_chunk
(
png_ptr
,
comp_type
,
png_ptr
->
chunkdata
,
(
size_t
)
length
,
prefix_len
,
&
data_len
);
else
data_len
=
png_strlen
(
chunkdata
+
prefix_len
);
data_len
=
png_strlen
(
png_ptr
->
chunkdata
+
prefix_len
);
text_ptr
=
(
png_textp
)
png_malloc_warn
(
png_ptr
,
(
png_uint_32
)
png_sizeof
(
png_text
));
if
(
text_ptr
==
NULL
)
{
png_warning
(
png_ptr
,
"Not enough memory to process iTXt chunk."
);
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
return
;
}
text_ptr
->
compression
=
(
int
)
comp_flag
+
1
;
text_ptr
->
lang_key
=
chunkdata
+
(
lang_key
-
key
);
text_ptr
->
lang
=
chunkdata
+
(
lang
-
key
);
text_ptr
->
lang_key
=
png_ptr
->
chunkdata
+
(
lang_key
-
key
);
text_ptr
->
lang
=
png_ptr
->
chunkdata
+
(
lang
-
key
);
text_ptr
->
itxt_length
=
data_len
;
text_ptr
->
text_length
=
0
;
text_ptr
->
key
=
chunkdata
;
text_ptr
->
text
=
chunkdata
+
prefix_len
;
text_ptr
->
key
=
png_ptr
->
chunkdata
;
text_ptr
->
text
=
png_ptr
->
chunkdata
+
prefix_len
;
ret
=
png_set_text_2
(
png_ptr
,
info_ptr
,
text_ptr
,
1
);
png_free
(
png_ptr
,
text_ptr
);
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
if
(
ret
)
png_error
(
png_ptr
,
"Insufficient memory to store iTXt chunk."
);
}
...
...
pngset.c
浏览文件 @
975e7214
/* pngset.c - storage of image information into info struct
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngtest.c
浏览文件 @
975e7214
/* pngtest.c - a simple test program to test libpng
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -1684,4 +1684,4 @@ main(int argc, char *argv[])
}
/* Generate a compiler error if there is an old png.h in the search path. */
typedef
version_1_2_30rc0
1
your_png_h_is_not_version_1_2_30rc01
;
typedef
version_1_2_30rc0
2
your_png_h_is_not_version_1_2_30rc02
;
pngtrans.c
浏览文件 @
975e7214
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngwio.c
浏览文件 @
975e7214
/* pngwio.c - functions for data output
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngwrite.c
浏览文件 @
975e7214
/* pngwrite.c - general routines to write a PNG file
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngwutil.c
浏览文件 @
975e7214
/* pngwutil.c - utilities to write a PNG file
*
* Last changed in libpng 1.2.30 [July
17
, 2008]
* Last changed in libpng 1.2.30 [July
21
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
scripts/CMakeLists.txt
浏览文件 @
975e7214
...
...
@@ -169,7 +169,7 @@ configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
# SET UP LINKS
set_target_properties
(
${
PNG_LIB_NAME
}
PROPERTIES
# VERSION 0.${PNGLIB_RELEASE}.1.2.30rc0
1
# VERSION 0.${PNGLIB_RELEASE}.1.2.30rc0
2
VERSION 0.
${
PNGLIB_RELEASE
}
.0
SOVERSION 0
CLEAN_DIRECT_OUTPUT 1
)
...
...
scripts/libpng-config-head.in
浏览文件 @
975e7214
...
...
@@ -8,7 +8,7 @@
# Modeled after libxml-config.
version
=
1.2.30rc0
1
version
=
1.2.30rc0
2
prefix
=
""
libdir
=
""
libs
=
""
...
...
scripts/libpng.pc.in
浏览文件 @
975e7214
...
...
@@ -5,6 +5,6 @@ includedir=@includedir@/libpng12
Name: libpng
Description: Loads and saves PNG files
Version: 1.2.30rc0
1
Version: 1.2.30rc0
2
Libs: -L${libdir} -lpng12
Cflags: -I${includedir}
scripts/makefile.32sunu
浏览文件 @
975e7214
...
...
@@ -8,7 +8,7 @@
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.64sunu
浏览文件 @
975e7214
...
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@@ -8,7 +8,7 @@
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.aix
浏览文件 @
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@@ -20,7 +20,7 @@ LN_SF = ln -f -s
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
prefix
=
/usr/local
...
...
scripts/makefile.beos
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@@ -8,7 +8,7 @@
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.cygwin
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@@ -74,7 +74,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME
=
libpng12
PNGMAJ
=
0
CYGDLL
=
12
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
SHAREDLIB
=
cygpng
$(CYGDLL)
.dll
...
...
scripts/makefile.darwin
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@@ -19,7 +19,7 @@ ZLIBINC=../zlib
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
12
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.dec
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@@ -5,7 +5,7 @@
# Library name:
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
LIBNAME
=
libpng12
...
...
scripts/makefile.elf
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@@ -12,7 +12,7 @@
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.gcmmx
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975e7214
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@@ -14,7 +14,7 @@
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.hp64
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...
@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.hpgcc
浏览文件 @
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...
@@ -8,7 +8,7 @@
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.hpux
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...
@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.linux
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...
@@ -6,7 +6,7 @@
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.mingw
浏览文件 @
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...
@@ -74,7 +74,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME
=
libpng12
PNGMAJ
=
0
MINGDLL
=
12
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
SHAREDLIB
=
libpng
$(MINGDLL)
.dll
...
...
scripts/makefile.ne12bsd
浏览文件 @
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...
...
@@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng12
LIB
=
png12
SHLIB_MAJOR
=
0
SHLIB_MINOR
=
1.2.30rc0
1
SHLIB_MINOR
=
1.2.30rc0
2
SRCS
=
png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c
\
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c
\
pngwtran.c pngmem.c pngerror.c pngpread.c
...
...
scripts/makefile.netbsd
浏览文件 @
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...
@@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng
LIB
=
png
SHLIB_MAJOR
=
3
SHLIB_MINOR
=
1.2.30rc0
1
SHLIB_MINOR
=
1.2.30rc0
2
SRCS
=
png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c
\
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c
\
pngwtran.c pngmem.c pngerror.c pngpread.c
...
...
scripts/makefile.nommx
浏览文件 @
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...
@@ -7,7 +7,7 @@
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.openbsd
浏览文件 @
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...
@@ -8,7 +8,7 @@ LIBDIR= ${PREFIX}/lib
MANDIR
=
${PREFIX}
/man/cat
SHLIB_MAJOR
=
0
SHLIB_MINOR
=
1.2.30rc0
1
SHLIB_MINOR
=
1.2.30rc0
2
LIB
=
png
SRCS
=
png.c pngerror.c pngget.c pngmem.c pngpread.c
\
...
...
scripts/makefile.sco
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...
...
@@ -9,7 +9,7 @@
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.sggcc
浏览文件 @
975e7214
...
...
@@ -6,7 +6,7 @@
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.sgi
浏览文件 @
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...
...
@@ -6,7 +6,7 @@
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.so9
浏览文件 @
975e7214
...
...
@@ -8,7 +8,7 @@
# Library name:
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
LIBNAME
=
libpng12
...
...
scripts/makefile.solaris
浏览文件 @
975e7214
...
...
@@ -8,7 +8,7 @@
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.solaris-x86
浏览文件 @
975e7214
...
...
@@ -8,7 +8,7 @@
# Library name:
LIBNAME
=
libpng12
PNGMAJ
=
0
PNGMIN
=
1.2.30rc0
1
PNGMIN
=
1.2.30rc0
2
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/pngos2.def
浏览文件 @
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...
...
@@ -2,7 +2,7 @@
; PNG.LIB module definition file for OS/2
;----------------------------------------
; Version 1.2.30rc0
1
; Version 1.2.30rc0
2
LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2"
...
...
scripts/pngw32.def
浏览文件 @
975e7214
...
...
@@ -5,7 +5,7 @@
LIBRARY
EXPORTS
;Version 1.2.30rc0
1
;Version 1.2.30rc0
2
png_build_grayscale_palette @1
png_check_sig @2
png_chunk_error @3
...
...
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