[libpng12] Imported from libpng-1.2.51beta02.tar

[libpng12] Updated README description of contrib and projects directories
[libpng12] Update GIT URL in the manual.
2025-07-10 18:04:09 +02:00 · 2013-06-18 12:33:15 -05:00 · 2013-06-03 21:08:59 -05:00 · 2013-04-11 18:40:36 -05:00 · 2013-03-01 13:22:10 -06:00 · 2013-01-22 13:43:43 -06:00
61 changed files with 207 additions and 172 deletions
--- a/52
+++ b/52
@@ -1,53 +1,57 @@

-Libpng 1.2.49 - March 29, 2012
+Libpng 1.2.51beta02 - June 18, 2013

-This is a public release of libpng, intended for use in production codes.
+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.

 Files available for download:

 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script

-   libpng-1.2.49.tar.xz (LZMA-compressed, recommended)
-   libpng-1.2.49.tar.gz
-   libpng-1.2.49.tar.bz2
+   libpng-1.2.51beta02.tar.xz (LZMA-compressed, recommended)
+   libpng-1.2.51beta02.tar.gz
+   libpng-1.2.51beta02.tar.bz2

 Source files with LF line endings (for Unix/Linux) without the
 "configure" script

-   libpng-1.2.49-no-config.tar.xz (LZMA-compressed, recommended)
-   libpng-1.2.49-no-config.tar.gz
-   libpng-1.2.49-no-config.tar.bz2
+   libpng-1.2.51beta02-no-config.tar.xz (LZMA-compressed, recommended)
+   libpng-1.2.51beta02-no-config.tar.gz
+   libpng-1.2.51beta02-no-config.tar.bz2

 Source files with CRLF line endings (for Windows), without the
 "configure" script

-   lpng1249.zip
-   lpng1249.7z
-   lpng1249.tar.bz2
+   lp1251b02.zip
+   lp1251b02.7z
+   lp1251b02.tar.bz2

 Project files

-   libpng-1.2.49-project-netware.zip
-   libpng-1.2.49-project-wince.zip
+   libpng-1.2.51beta02-project-netware.zip
+   libpng-1.2.51beta02-project-wince.zip

 Other information:

-   libpng-1.2.49-README.txt
-   libpng-1.2.49-KNOWNBUGS.txt
-   libpng-1.2.49-LICENSE.txt
-   libpng-1.2.49-Y2K-compliance.txt
-   libpng-1.2.49-[previous version]-diff.txt
+   libpng-1.2.51beta02-README.txt
+   libpng-1.2.51beta02-KNOWNBUGS.txt
+   libpng-1.2.51beta02-LICENSE.txt
+   libpng-1.2.51beta02-Y2K-compliance.txt
+   libpng-1.2.51beta02-[previous version]-diff.txt

-Changes since the last public release (1.2.48):
+Changes since the last public release (1.2.50):

-version 1.2.49 [March 29, 2012]
+version 1.2.51beta01 [January 22, 2013]
+  Ignore, with a warning, out-of-range value of num_trans in png_set_tRNS().
+  Replaced AM_CONFIG_HEADER(config.h) with AC_CONFIG_HEADERS([config.h])
+    in configure.ac
+  Changed default value of PNG_USER_CACHE_MAX from 0 to 32767 in pngconf.h.

-  Revised png_set_text_2() to avoid potential memory corruption (fixes
-    CVE-2011-3048).
-  Prevent PNG_EXPAND+PNG_SHIFT doing the shift twice.
+version 1.2.51beta02 [June 18, 2013]
+  Avoid a possible memory leak in contrib/gregbook/readpng.c
+  Revised libpng.3 so that "doclift" can process it.

-Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement
 to subscribe) or to glennrp at users.sourceforge.net
--- a/19
+++ b/19
@@ -2740,7 +2740,6 @@ version 1.2.47beta01 [February 17, 2012]
  Updated contrib/pngminus/makefile.std (Samuli Souminen)

 version 1.0.57rc01 and 1.2.47rc01 [February 17, 2012]
-  Fixed CVE-2011-3026 buffer overrun bug.
  Fixed CVE-2011-3026 buffer overrun bug.  This bug was introduced when
    iCCP chunk support was added at libpng-1.0.6.

@@ -2770,11 +2769,25 @@ version 1.2.48rc02 [March 2, 2012]
 version 1.0.58 and 1.2.48 [March 8, 2012]
  No changes.

-version 1.2.49rc01 [March 29, 2012]
+version 1.0.59 and 1.2.49 [March 29, 2012]
  Revised png_set_text_2() to avoid potential memory corruption (fixes
-    CVE-2011-3048).
+    CVE-2011-3048, also known as CVE-2012-3425).
  Prevent PNG_EXPAND+PNG_SHIFT doing the shift twice.

+version 1.0.60 and 1.2.50 [July 9, 2012]
+  Changed "a+w" to "u+w" in Makefile.in to fix CVE-2012-3386.
+
+version 1.2.51beta01 [January 22, 2013]
+  Rebuilt the configure scripts with autoconf-2.69
+  Ignore, with a warning, out-of-range value of num_trans in png_set_tRNS().
+  Replaced AM_CONFIG_HEADER(config.h) with AC_CONFIG_HEADERS([config.h])
+    in configure.ac
+  Changed default value of PNG_USER_CACHE_MAX from 0 to 32767 in pngconf.h.
+
+version 1.2.51beta02 [June 18, 2013]
+  Avoid a possible memory leak in contrib/gregbook/readpng.c
+  Revised libpng.3 so that "doclift" can process it.
+
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,7 +22,7 @@ enable_testing()

 set(PNGLIB_MAJOR 1)
 set(PNGLIB_MINOR 2)
-set(PNGLIB_RELEASE 49)
+set(PNGLIB_RELEASE 51)
 set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
 set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})

@@ -215,7 +215,7 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/libpng-config.in
 # SET UP LINKS
 if(PNG_SHARED)
  set_target_properties(${PNG_LIB_NAME} PROPERTIES
-#   VERSION 0.${PNGLIB_RELEASE}.1.2.49
+#   VERSION 0.${PNGLIB_RELEASE}.1.2.51beta02
    VERSION 0.${PNGLIB_RELEASE}.0
    SOVERSION 0
    CLEAN_DIRECT_OUTPUT 1)
--- a/4
+++ b/4
@@ -1,5 +1,5 @@

-Installing libpng version 1.2.49 - March 29, 2012
+Installing libpng version 1.2.51beta02 - June 18, 2013

 On Unix/Linux and similar systems, you can simply type

@@ -46,7 +46,7 @@ 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-1.2.49" or "libpng12" and "zlib-1.2.3"
+might be called "libpng-1.2.51beta02" or "libpng12" and "zlib-1.2.3"
 or "zlib123") so that you have directories called "zlib" and "libpng".

 Your directory structure should look like this:
--- a/2
+++ b/2
@@ -1,5 +1,5 @@

-Known bugs in libpng version 1.2.49
+Known bugs in libpng version 1.2.51beta02

 1. February 23, 2006: The custom makefiles don't build libpng with -lz.

--- a/4
+++ b/4
@@ -10,7 +10,7 @@ this sentence.

 This code is released under the libpng license.

-libpng versions 1.2.6, August 15, 2004, through 1.2.49, March 29, 2012, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.51beta02, June 18, 2013, are
 Copyright (c) 2004, 2006-2009 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
@@ -108,4 +108,4 @@ certification mark of the Open Source Initiative.

 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-March 29, 2012
+June 18, 2013
--- a/Makefile.am
+++ b/Makefile.am
@@ -89,7 +89,7 @@ EXTRA_DIST= \
 	${srcdir}/contrib/pngsuite/* \
 	${srcdir}/contrib/visupng/* \
 	$(TESTS) \
-	example.c libpng-1.2.49.txt pnggccrd.c pngvcrd.c
+	example.c libpng-1.2.51beta02.txt pnggccrd.c pngvcrd.c

 CLEANFILES= pngout.png libpng12.pc libpng12-config libpng.vers \
 libpng.sym
--- a/Makefile.in
+++ b/Makefile.in
@@ -354,7 +354,7 @@ EXTRA_DIST = \
 	${srcdir}/contrib/pngsuite/* \
 	${srcdir}/contrib/visupng/* \
 	$(TESTS) \
-	example.c libpng-1.2.49.txt pnggccrd.c pngvcrd.c
+	example.c libpng-1.2.51beta02.txt pnggccrd.c pngvcrd.c

 CLEANFILES = pngout.png libpng12.pc libpng12-config libpng.vers \
 libpng.sym
@@ -1146,7 +1146,7 @@ distcheck: dist
 	*.zip*) \
 	  unzip $(distdir).zip ;;\
 	esac
-	chmod -R a-w $(distdir); chmod a+w $(distdir)
+	chmod -R a-w $(distdir); chmod u+w $(distdir)
 	mkdir $(distdir)/_build
 	mkdir $(distdir)/_inst
 	chmod a-w $(distdir)
--- a/20
+++ b/20
@@ -1,4 +1,4 @@
-README for libpng version 1.2.49 - March 29, 2012 (shared library 12.0)
+README for libpng version 1.2.51beta02 - June 18, 2013 (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.
@@ -174,8 +174,7 @@ Files in this distribution:
       gregbook         =>  source code for PNG reading and writing, from
                            Greg Roelofs' "PNG: The Definitive Guide",
                            O'Reilly, 1999
-       msvctest     =>  Builds and runs pngtest using a MSVC workspace
-       pngminim     =>  Simple pnm2pngm and png2pnmm programs
+       pngminim     =>  Minimal pnm2pngm and png2pnmm programs
       pngminus     =>  Simple pnm2png and png2pnm programs
       pngsuite     =>  Test images
       visupng      =>  Contains a MSVC workspace for VisualPng
@@ -184,11 +183,14 @@ Files in this distribution:
       beos             =>  Contains a Beos workspace for building libpng
       c5builder        =>  Contains a Borland workspace for building
                            libpng and zlib
+       MacOSX           =>  Contains a MacOSX workspace for building libpng
       netware.txt      =>  Contains instructions for downloading a set
                            of project files for building libpng and
                            zlib on Netware.
       visualc6         =>  Contains a Microsoft Visual C++ (MSVC)
                            workspace for building libpng and zlib
+       visualc71        =>  Contains a Microsoft Visual C++ (MSVC)
+                            workspace for building libpng and zlib
       wince.txt        =>  Contains instructions for downloading a
                            Microsoft Visual C++ (Windows CD Toolkit)
                            workspace for building libpng and zlib on
@@ -199,11 +201,11 @@ Files in this distribution:
       makefile.std     =>  Generic UNIX makefile (cc, creates static
                            libpng.a)
       makefile.elf     =>  Linux/ELF gcc makefile symbol versioning,
-                            creates libpng12.so.0.1.2.49)
+                            creates libpng12.so.0.1.2.51beta02)
       makefile.linux   =>  Linux/ELF makefile (gcc, creates
-                            libpng12.so.0.1.2.49)
+                            libpng12.so.0.1.2.51beta02)
       makefile.gcmmx   =>  Linux/ELF makefile (gcc, creates
-                            libpng12.so.0.1.2.49, previously
+                            libpng12.so.0.1.2.51beta02, previously
                            used assembler code tuned for Intel MMX
                            platform)
       makefile.gcc     =>  Generic makefile (gcc, creates static
@@ -228,12 +230,12 @@ 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.0.1.2.49)
+                            (gcc, creates libpng12.so.0.1.2.51beta02)
       makefile.sunos   =>  Sun makefile
       makefile.solaris =>  Solaris 2.X makefile
-                            (gcc, creates libpng12.so.0.1.2.49)
+                            (gcc, creates libpng12.so.0.1.2.51beta02)
       makefile.so9     =>  Solaris 9 makefile
-                            (gcc, creates libpng12.so.0.1.2.49)
+                            (gcc, creates libpng12.so.0.1.2.51beta02)
       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
--- a/4
+++ b/4
@@ -1,13 +1,13 @@
   Y2K compliance in libpng:
   =========================

-      March 29, 2012
+      June 18, 2013

      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 1.2.49 are Y2K compliant.  It is my belief that earlier
+      upward through 1.2.51beta02 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
--- a/24
+++ b/24
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.65 for libpng 1.2.49.
+# Generated by GNU Autoconf 2.65 for libpng 1.2.51beta02.
 #
 # Report bugs to <png-mng-implement@lists.sourceforge.net>.
 #
@@ -701,8 +701,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='libpng'
 PACKAGE_TARNAME='libpng'
-PACKAGE_VERSION='1.2.49'
-PACKAGE_STRING='libpng 1.2.49'
+PACKAGE_VERSION='1.2.51beta02'
+PACKAGE_STRING='libpng 1.2.51beta02'
 PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
 PACKAGE_URL=''

@@ -1435,7 +1435,7 @@ 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 1.2.49 to adapt to many kinds of systems.
+\`configure' configures libpng 1.2.51beta02 to adapt to many kinds of systems.

 Usage: $0 [OPTION]... [VAR=VALUE]...

@@ -1505,7 +1505,7 @@ fi

 if test -n "$ac_init_help"; then
  case $ac_init_help in
-     short | recursive ) echo "Configuration of libpng 1.2.49:";;
+     short | recursive ) echo "Configuration of libpng 1.2.51beta02:";;
   esac
  cat <<\_ACEOF

@@ -1612,7 +1612,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
  cat <<\_ACEOF
-libpng configure 1.2.49
+libpng configure 1.2.51beta02
 generated by GNU Autoconf 2.65

 Copyright (C) 2009 Free Software Foundation, Inc.
@@ -2037,7 +2037,7 @@ 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 1.2.49, which was
+It was created by libpng $as_me 1.2.51beta02, which was
 generated by GNU Autoconf 2.65.  Invocation command line was

  $ $0 $@
@@ -2845,7 +2845,7 @@ fi

 # Define the identity of the package.
 PACKAGE='libpng'
- VERSION='1.2.49'
+ VERSION='1.2.51beta02'


 cat >>confdefs.h <<_ACEOF
@@ -2909,10 +2909,10 @@ fi



-PNGLIB_VERSION=1.2.49
+PNGLIB_VERSION=1.2.51beta02
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=2
-PNGLIB_RELEASE=49
+PNGLIB_RELEASE=51



@@ -12079,7 +12079,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=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 1.2.49, which was
+This file was extended by libpng $as_me 1.2.51beta02, which was
 generated by GNU Autoconf 2.65.  Invocation command line was

  CONFIG_FILES    = $CONFIG_FILES
@@ -12145,7 +12145,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-libpng config.status 1.2.49
+libpng config.status 1.2.51beta02
 configured by $0, generated by GNU Autoconf 2.65,
  with options \\"\$ac_cs_config\\"

--- a/configure.ac
+++ b/configure.ac
@@ -18,20 +18,20 @@ AC_PREREQ(2.59)

 dnl Version number stuff here:

-AC_INIT([libpng], [1.2.49], [png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng], [1.2.51beta02], [png-mng-implement@lists.sourceforge.net])
 AM_INIT_AUTOMAKE
 dnl stop configure from automagically running automake
 AM_MAINTAINER_MODE

-PNGLIB_VERSION=1.2.49
+PNGLIB_VERSION=1.2.51beta02
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=2
-PNGLIB_RELEASE=49
+PNGLIB_RELEASE=51

 dnl End of version number stuff

 AC_CONFIG_SRCDIR([pngget.c])
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS([config.h])

 # Checks for programs.
 AC_PROG_CC
--- a/contrib/gregbook/readpng.c
+++ b/contrib/gregbook/readpng.c
@@ -214,6 +214,10 @@ uch *readpng_get_image(double display_exponent, int *pChannels, ulg *pRowbytes)
     * libpng function */

    if (setjmp(png_jmpbuf(png_ptr))) {
+        free(image_data);
+        image_data = NULL;
+        free(row_pointers);
+        row_pointers = NULL;
        png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
        return NULL;
    }
--- a/contrib/pngminim/encoder/README
+++ b/contrib/pngminim/encoder/README
@@ -1,9 +1,9 @@
 This demonstrates the use of PNG_USER_CONFIG and pngusr.h

-To build a minimal write-only decoder with embedded libpng and zlib, run
+To build a minimal write-only encoder with embedded libpng and zlib, run

    gather.sh  # to collect needed files from pngminus, libpng, and zlib
    make
 
 If you prefer to use the shared libraries, go to contrib/pngminus
-and build the pnm2png application there. 
+and build the pnm2png application there.
--- a/libpng-1.2.51beta02.txt
+++ b/libpng-1.2.51beta02.txt
@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng

- libpng version 1.2.49 - March 29, 2012
+ libpng version 1.2.51beta02 - June 18, 2013
 Updated and distributed by Glenn Randers-Pehrson
 <glennrp at users.sourceforge.net>
 Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@ libpng.txt - A description on how to use and modify libpng

 Based on:

- libpng versions 0.97, January 1998, through 1.2.49 - March 29, 2012
+ libpng versions 0.97, January 1998, through 1.2.51beta02 - June 18, 2013
 Updated and distributed by Glenn Randers-Pehrson
 Copyright (c) 1998-2009 Glenn Randers-Pehrson

@@ -878,7 +878,7 @@ things.
 As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was
 added.  It expands the sample depth without changing tRNS to alpha.

-As of libpng version 1.2.49, not all possible expansions are supported.
+As of libpng version 1.2.51beta02, not all possible expansions are supported.

 In the following table, the 01 means grayscale with depth<8, 31 means
 indexed with depth<8, other numerals represent the color type, "T" means
@@ -2849,7 +2849,7 @@ the message, "message" is the formatted string to be printed,
 and p1 and p2 are parameters that are to be embedded in the string
 according to printf-style formatting directives.  For example,

-   png_debug1(2, "foo=%d\n", foo);
+   png_debug1(2, "foo=%d", foo);

 is expanded to

@@ -3057,11 +3057,11 @@ control.  The git repository was built from old libpng-x.y.z.tar.gz files
 going back to version 0.70.  You can access the git repository (read only)
 at

-    git://libpng.git.sourceforge.net/gitroot/libpng
+    git://git.code.sf.net/p/libpng/code

-or you can browse it via "gitweb" at
+or you can browse it with a web browser by selecting the "code" button at

-    http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng
+    https://sourceforge.net/projects/libpng/

 Patches can be sent to glennrp at users.sourceforge.net or to
 png-mng-implement at lists.sourceforge.net or you can upload them to
@@ -3179,13 +3179,13 @@ Other rules can be inferred by inspecting the libpng source.

 XIII. Y2K Compliance in libpng

-March 29, 2012
+June 18, 2013

 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 1.2.49 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.51beta02 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
--- a/libpng.3
+++ b/libpng.3
@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "March 29, 2012"
+.TH LIBPNG 3 "June 18, 2013"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.49
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.51beta02
 .SH SYNOPSIS
 \fI\fB

@@ -342,11 +342,11 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.2.49

 \fI\fB

-\fBDEPRECATED: void png_info_init (png_infop \fIinfo_ptr\fP\fB);\fP
+\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
+\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

@@ -374,7 +374,7 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.2.49

 \fI\fB

-\fBDEPRECATED: void png_permit_empty_plte (png_structp \fP\fIpng_ptr\fP\fB, int \fIempty_plte_permitted\fP\fB);\fP
+\fBDEPRECATED void png_permit_empty_plte (png_structp \fP\fIpng_ptr\fP\fB, int \fIempty_plte_permitted\fP\fB);\fP

 \fI\fB

@@ -398,11 +398,11 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.2.49

 \fI\fB

-\fBDEPRECATED: void png_read_init (png_structp \fIpng_ptr\fP\fB);\fP
+\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
+\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

@@ -774,11 +774,11 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.2.49

 \fI\fB

-\fBDEPRECATED: void png_write_init (png_structp \fIpng_ptr\fP\fB);\fP
+\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
+\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

@@ -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 1.2.49 - March 29, 2012
+ libpng version 1.2.51beta02 - June 18, 2013
 Updated and distributed by Glenn Randers-Pehrson
 <glennrp at users.sourceforge.net>
 Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -832,7 +832,7 @@ libpng.txt - A description on how to use and modify libpng

 Based on:

- libpng versions 0.97, January 1998, through 1.2.49 - March 29, 2012
+ libpng versions 0.97, January 1998, through 1.2.51beta02 - June 18, 2013
 Updated and distributed by Glenn Randers-Pehrson
 Copyright (c) 1998-2009 Glenn Randers-Pehrson

@@ -1699,7 +1699,7 @@ things.
 As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was
 added.  It expands the sample depth without changing tRNS to alpha.

-As of libpng version 1.2.49, not all possible expansions are supported.
+As of libpng version 1.2.51beta02, not all possible expansions are supported.

 In the following table, the 01 means grayscale with depth<8, 31 means
 indexed with depth<8, other numerals represent the color type, "T" means
@@ -3670,12 +3670,12 @@ the message, "message" is the formatted string to be printed,
 and p1 and p2 are parameters that are to be embedded in the string
 according to printf-style formatting directives.  For example,

-   png_debug1(2, "foo=%d\n", foo);
+   png_debug1(2, "foo=%d", foo);

 is expanded to

   if(PNG_DEBUG > 2)
-     fprintf(PNG_DEBUG_FILE, "foo=%d\n", foo);
+     fprintf(PNG_DEBUG_FILE, "foo=%d\en", foo);

 When PNG_DEBUG is defined but is zero, the macros aren't defined, but you
 can still use PNG_DEBUG to control your own debugging:
@@ -3878,11 +3878,11 @@ control.  The git repository was built from old libpng-x.y.z.tar.gz files
 going back to version 0.70.  You can access the git repository (read only)
 at

-    git://libpng.git.sourceforge.net/gitroot/libpng
+    git://git.code.sf.net/p/libpng/code

-or you can browse it via "gitweb" at
+or you can browse it with a web browser by selecting the "code" button at

-    http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng
+    https://sourceforge.net/projects/libpng/

 Patches can be sent to glennrp at users.sourceforge.net or to
 png-mng-implement at lists.sourceforge.net or you can upload them to
@@ -4000,13 +4000,13 @@ Other rules can be inferred by inspecting the libpng source.

 .SH XIII. Y2K Compliance in libpng

-March 29, 2012
+June 18, 2013

 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 1.2.49 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.51beta02 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
@@ -4327,6 +4327,9 @@ the first widely used release:
 1.2.49rc01          13    10249  12.so.0.49[.0]
 1.0.59              10    10059  10.so.0.59[.0]
 1.2.49              13    10249  12.so.0.49[.0]
+ 1.2.50              13    10250  12.so.0.50[.0]
+ 1.0.60              10    10060  10.so.0.60[.0]
+ 1.2.51beta01-02     13    10251  12.so.0.51[.0]

 Henceforth the source version will match the shared-library minor
 and patch numbers; the shared-library major version number will be
@@ -4382,7 +4385,7 @@ possible without all of you.

 Thanks to Frank J. T. Wojcik for helping with the documentation.

-Libpng version 1.2.49 - March 29, 2012:
+Libpng version 1.2.51beta02 - June 18, 2013:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).

@@ -4405,7 +4408,7 @@ this sentence.

 This code is released under the libpng license.

-libpng versions 1.2.6, August 15, 2004, through 1.2.49, March 29, 2012, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.51beta02, June 18, 2013, 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
@@ -4504,7 +4507,7 @@ certification mark of the Open Source Initiative.

 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-March 29, 2012
+June 18, 2013

 .\" end of man page

--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "March 29, 2012"
+.TH LIBPNGPF 3 "June 18, 2013"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.49
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.51beta02
 (private functions)
 .SH SYNOPSIS
 \fB#include <png.h>\fP
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "March 29, 2012"
+.TH PNG 5 "June 18, 2013"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
--- a/png.c
+++ b/png.c
@@ -1,7 +1,7 @@

 /* png.c - location for general purpose libpng functions
 *
- * Last changed in libpng 1.2.46 [February 25, 2011]
+ * Last changed in libpng 1.2.51 [February 25, 2011]
 * Copyright (c) 1998-2011 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.)
@@ -17,7 +17,7 @@
 #include "png.h"

 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_49 Your_png_h_is_not_version_1_2_49;
+typedef version_1_2_51beta02 Your_png_h_is_not_version_1_2_51beta02;

 /* Version information for C files.  This had better match the version
 * string defined in png.h.
@@ -724,14 +724,14 @@ png_get_copyright(png_structp png_ptr)
 #else
 #ifdef __STDC__
   return ((png_charp) PNG_STRING_NEWLINE \
-     "libpng version 1.2.49 - March 29, 2012" PNG_STRING_NEWLINE \
-     "Copyright (c) 1998-2011 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
+     "libpng version 1.2.51beta02 - June 18, 2013" PNG_STRING_NEWLINE \
+     "Copyright (c) 1998-2013 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
     "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
     "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
     PNG_STRING_NEWLINE);
 #else
-      return ((png_charp) "libpng version 1.2.49 - March 29, 2012\
-      Copyright (c) 1998-2011 Glenn Randers-Pehrson\
+      return ((png_charp) "libpng version 1.2.51beta02 - June 18, 2013\
+      Copyright (c) 1998-2013 Glenn Randers-Pehrson\
      Copyright (c) 1996-1997 Andreas Dilger\
      Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.");
 #endif
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 /* png.h - header file for PNG reference library
 *
- * libpng version 1.2.49 - March 29, 2012
- * Copyright (c) 1998-2012 Glenn Randers-Pehrson
+ * libpng version 1.2.51beta02 - June 18, 2013
+ * Copyright (c) 1998-2013 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.)
 *
@@ -10,7 +10,7 @@
 * 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 1.2.49 - March 29, 2012: Glenn
+ *  libpng versions 0.97, January 1998, through 1.2.51beta02 - June 18, 2013: Glenn
 *  See also "Contributing Authors", below.
 *
 * Note about libpng version numbers:
@@ -282,6 +282,9 @@
 *    1.2.49rc01              13    10249  12.so.0.49[.0]
 *    1.0.59                  10    10059  10.so.0.59[.0]
 *    1.2.49                  13    10249  12.so.0.49[.0]
+ *    1.0.60                  10    10060  10.so.0.60[.0]
+ *    1.2.50                  13    10250  12.so.0.50[.0]
+ *    1.2.51beta01-02         13    10251  12.so.0.51[.0]
 *
 *    Henceforth the source version will match the shared-library major
 *    and minor numbers; the shared-library major version number will be
@@ -313,7 +316,7 @@
 *
 * This code is released under the libpng license.
 *
- * libpng versions 1.2.6, August 15, 2004, through 1.2.49, March 29, 2012, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.2.51beta02, June 18, 2013, are
 * Copyright (c) 2004, 2006-2011 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:
@@ -425,13 +428,13 @@
 * Y2K compliance in libpng:
 * =========================
 *
- *    March 29, 2012
+ *    June 18, 2013
 *
 *    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 1.2.49 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.2.51beta02 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
@@ -487,9 +490,9 @@
 */

 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.2.49"
+#define PNG_LIBPNG_VER_STRING "1.2.51beta02"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.2.49 - March 29, 2012\n"
+   " libpng version 1.2.51beta02 - June 18, 2013\n"

 #define PNG_LIBPNG_VER_SONUM   0
 #define PNG_LIBPNG_VER_DLLNUM  13
@@ -497,12 +500,12 @@
 /* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
 #define PNG_LIBPNG_VER_MAJOR   1
 #define PNG_LIBPNG_VER_MINOR   2
-#define PNG_LIBPNG_VER_RELEASE 49
+#define PNG_LIBPNG_VER_RELEASE 51
 /* 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
+#define PNG_LIBPNG_VER_BUILD  02

 /* Release Status */
 #define PNG_LIBPNG_BUILD_ALPHA    1
@@ -519,7 +522,7 @@
 #define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with
                                       PNG_LIBPNG_BUILD_PRIVATE */

-#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_STABLE
+#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_BETA

 /* Careful here.  At one time, Guy wanted to use 082, but that would be octal.
 * We must not include leading zeros.
@@ -527,7 +530,7 @@
 * version 1.0.0 was mis-numbered 100 instead of 10000).  From
 * version 1.0.1 it's    xxyyzz, where x=major, y=minor, z=release
 */
-#define PNG_LIBPNG_VER 10249 /* 1.2.49 */
+#define PNG_LIBPNG_VER 10251 /* 1.2.51 */

 #ifndef PNG_VERSION_INFO_ONLY
 /* Include the compression library's header */
@@ -1567,7 +1570,7 @@ struct png_struct_def
 /* This triggers a compiler error in png.c, if png.c and png.h
 * do not agree upon the version number.
 */
-typedef png_structp version_1_2_49;
+typedef png_structp version_1_2_51beta02;

 typedef png_struct FAR * FAR * png_structpp;

--- a/pngconf.h
+++ b/pngconf.h
@@ -1,8 +1,8 @@

 /* pngconf.h - machine configurable file for libpng
 *
- * libpng version 1.2.49 - March 29, 2012
- * Copyright (c) 1998-2012 Glenn Randers-Pehrson
+ * libpng version 1.2.51beta02 - June 18, 2013
+ * Copyright (c) 1998-2013 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.)
 *
@@ -868,7 +868,7 @@
 * how large, set these two limits to 0.
 */
 #ifndef PNG_USER_CHUNK_CACHE_MAX
-#  define PNG_USER_CHUNK_CACHE_MAX 0
+#  define PNG_USER_CHUNK_CACHE_MAX 32765
 #endif

 /* Added at libpng-1.2.43 */
--- a/pnggccrd.c
+++ b/pnggccrd.c
@@ -1,6 +1,6 @@
 /* pnggccrd.c
 *
- * Last changed in libpng 1.2.48 [March 29, 2012]
+ * Last changed in libpng 1.2.48 [March 8, 2012]
 * Copyright (c) 1998-2012 Glenn Randers-Pehrson
 *
 * This code is released under the libpng license.
--- a/pngread.c
+++ b/pngread.c
@@ -1,7 +1,7 @@

 /* pngread.c - read a PNG file
 *
- * Last changed in libpng 1.2.48 [March 29, 2012]
+ * Last changed in libpng 1.2.48 [March 8, 2012]
 * Copyright (c) 1998-2012 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.)
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -1,8 +1,8 @@

 /* pngrtran.c - transforms the data in a row for PNG readers
 *
- * Last changed in libpng 1.2.45 [July 7, 2011]
- * Copyright (c) 1998-2011 Glenn Randers-Pehrson
+ * Last changed in libpng 1.2.49 [March 29, 2012]
+ * Copyright (c) 1998-2012 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.)
 *
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -1,7 +1,7 @@

 /* pngrutil.c - utilities to read a PNG file
 *
- * Last changed in libpng 1.2.48 [March 29, 2012]
+ * Last changed in libpng 1.2.48 [March 8, 2012]
 * Copyright (c) 1998-2012 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.)
--- a/pngset.c
+++ b/pngset.c
@@ -1,8 +1,8 @@

 /* pngset.c - storage of image information into info struct
 *
- * Last changed in libpng 1.2.43 [February 25, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.2.51 [June 18, 2013]
+ * Copyright (c) 1998-2013 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.)
 *
@@ -850,6 +850,12 @@ png_set_tRNS(png_structp png_ptr, png_infop info_ptr,
   if (png_ptr == NULL || info_ptr == NULL)
      return;

+   if (num_trans < 0 || num_trans > PNG_MAX_PALETTE_LENGTH)
+      {
+        png_warning(png_ptr, "Ignoring invalid num_trans value");
+        return;
+      }
+
   if (trans != NULL)
   {
       /* It may not actually be necessary to set png_ptr->trans here;
--- a/pngtest.c
+++ b/pngtest.c
@@ -1702,4 +1702,4 @@ main(int argc, char *argv[])
 }

 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_49 your_png_h_is_not_version_1_2_49;
+typedef version_1_2_51beta02 your_png_h_is_not_version_1_2_51beta02;
--- a/pngvcrd.c
+++ b/pngvcrd.c
@@ -1,6 +1,6 @@
 /* pngvcrd.c
 *
- * Last changed in libpng 1.2.48 [March 29, 2012]
+ * Last changed in libpng 1.2.48 [March 8, 2012]
 * Copyright (c) 1998-2012 Glenn Randers-Pehrson
 *
 * This code is released under the libpng license.
--- a/projects/wince.txt
+++ b/projects/wince.txt
@@ -1,6 +1,6 @@
 A set of project files is available for WinCE.  Get
-libpng-1.2.49-project-wince.zip from a libpng distribution
+libpng-1.2.51beta02-project-wince.zip from a libpng distribution
 site such as http://libpng.sourceforge.net/index.html

 Put the zip file in this directory (projects) and then run
-"unzip -a libpng-1.2.49-project-wince.zip"
+"unzip -a libpng-1.2.51beta02-project-wince.zip"
--- a/projects/xcode/libpng.xcodeproj/project.pbxproj
+++ b/projects/xcode/libpng.xcodeproj/project.pbxproj
@@ -222,7 +222,7 @@
 				COPY_PHASE_STRIP = NO;
 				DYLIB_COMPATIBILITY_VERSION = 3;
 				DYLIB_CURRENT_VERSION = 3;
-				FRAMEWORK_VERSION = 1.2.49;
+				FRAMEWORK_VERSION = 1.2.51beta02;
 				GCC_PRECOMPILE_PREFIX_HEADER = NO;
 				GCC_PREFIX_HEADER = "";
 				INFOPLIST_FILE = Info.plist;
@@ -240,7 +240,7 @@
 			buildSettings = {
 				DYLIB_COMPATIBILITY_VERSION = 3;
 				DYLIB_CURRENT_VERSION = 3;
-				FRAMEWORK_VERSION = 1.2.49;
+				FRAMEWORK_VERSION = 1.2.51beta02;
 				GCC_PRECOMPILE_PREFIX_HEADER = NO;
 				GCC_PREFIX_HEADER = "";
 				INFOPLIST_FILE = Info.plist;
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,8 +1,8 @@

-Makefiles for  libpng version 1.2.49 - March 29, 2012
+Makefiles for  libpng version 1.2.51beta02 - June 18, 2013

 makefile.linux    =>  Linux/ELF makefile
-                       (gcc, creates libpng12.so.0.1.2.49)
+                       (gcc, creates libpng12.so.0.1.2.51beta02)
 makefile.gcc      =>  Generic makefile (gcc, creates static libpng.a)
 makefile.knr      =>  Archaic UNIX Makefile that converts files with
                       ansi2knr (Requires ansi2knr.c from
@@ -20,7 +20,7 @@ Makefiles for  libpng version 1.2.49 - March 29, 2012
 makefile.dec      =>  DEC Alpha UNIX makefile
 makefile.dj2      =>  DJGPP 2 makefile
 makefile.elf      =>  Linux/ELF makefile symbol versioning,
-                       gcc, creates libpng12.so.0.1.2.49)
+                       gcc, creates libpng12.so.0.1.2.51beta02)
 makefile.freebsd  =>  FreeBSD makefile
 makefile.gcc      =>  Generic gcc makefile
 makefile.gccmmx   =>  Generic gcc makefile previously using MMX code
@@ -38,14 +38,14 @@ Makefiles for  libpng version 1.2.49 - March 29, 2012
 makefile.os2      =>  OS/2 Makefile (gcc and emx, requires pngos2.def)
 makefile.sco      =>  For SCO OSr5  ELF and Unixware 7 with Native cc
 makefile.sggcc    =>  Silicon Graphics (gcc,
-                       creates libpng12.so.0.1.2.49)
+                       creates libpng12.so.0.1.2.51beta02)
 makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
 makefile.solaris  =>  Solaris 2.X makefile (gcc,
-                       creates libpng12.so.0.1.2.49)
+                       creates libpng12.so.0.1.2.51beta02)
 makefile.solaris-x86  =>  Solaris 2.X makefile (gcc, no MMX code,
-                       creates libpng12.so.0.1.2.49)
+                       creates libpng12.so.0.1.2.51beta02)
 makefile.so9      =>  Solaris 9 makefile (gcc,
-                       creates libpng12.so.0.1.2.49)
+                       creates libpng12.so.0.1.2.51beta02)
 makefile.std      =>  Generic UNIX makefile (cc, creates static libpng.a)
 makefile.sunos    =>  Sun makefile
 makefile.32sunu   =>  Sun Ultra 32-bit makefile
--- a/scripts/libpng-config-head.in
+++ b/scripts/libpng-config-head.in
@@ -11,7 +11,7 @@

 # Modeled after libxml-config.

-version=1.2.49
+version=1.2.51beta02
 prefix=""
 libdir=""
 libs=""
--- a/scripts/libpng.pc.in
+++ b/scripts/libpng.pc.in
@@ -5,6 +5,6 @@ includedir=@includedir@/libpng12

 Name: libpng
 Description: Loads and saves PNG files
-Version: 1.2.49
+Version: 1.2.51beta02
 Libs: -L${libdir} -lpng12
 Cflags: -I${includedir}
--- a/scripts/makefile.32sunu
+++ b/scripts/makefile.32sunu
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.64sunu
+++ b/scripts/makefile.64sunu
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.aix
+++ b/scripts/makefile.aix
@@ -23,7 +23,7 @@ LN_SF = ln -f -s

 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 prefix=/usr/local
--- a/scripts/makefile.beos
+++ b/scripts/makefile.beos
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.cegcc
+++ b/scripts/makefile.cegcc
@@ -23,7 +23,7 @@

 VERMAJ = 1
 VERMIN = 2
-VERMIC = 49
+VERMIC = 51
 VER = $(VERMAJ).$(VERMIN).$(VERMIC)
 NAME = libpng
 PACKAGE = $(NAME)-$(VER)
--- a/scripts/makefile.cygwin
+++ b/scripts/makefile.cygwin
@@ -77,7 +77,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng12
 PNGMAJ = 0
 CYGDLL = 12
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 SHAREDLIB=cygpng$(CYGDLL).dll
--- a/scripts/makefile.darwin
+++ b/scripts/makefile.darwin
@@ -22,7 +22,7 @@ ZLIBINC=../zlib
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 12
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.dec
+++ b/scripts/makefile.dec
@@ -8,7 +8,7 @@

 # Library name:
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12

--- a/scripts/makefile.elf
+++ b/scripts/makefile.elf
@@ -16,7 +16,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.gcmmx
+++ b/scripts/makefile.gcmmx
@@ -17,7 +17,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.hp64
+++ b/scripts/makefile.hp64
@@ -21,7 +21,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.hpgcc
+++ b/scripts/makefile.hpgcc
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.hpux
+++ b/scripts/makefile.hpux
@@ -21,7 +21,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -10,7 +10,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.mingw
+++ b/scripts/makefile.mingw
@@ -81,7 +81,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng12
 PNGMAJ = 0
 MINGDLL = 12
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 SHAREDLIB=libpng$(MINGDLL).dll
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng12

 LIB=	png12
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.49
+SHLIB_MINOR=	1.2.51beta02
 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
--- a/scripts/makefile.netbsd
+++ b/scripts/makefile.netbsd
@@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include

 LIB=	png
 SHLIB_MAJOR=	3
-SHLIB_MINOR=	1.2.49
+SHLIB_MINOR=	1.2.51beta02
 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
--- a/scripts/makefile.nommx
+++ b/scripts/makefile.nommx
@@ -10,7 +10,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.openbsd
+++ b/scripts/makefile.openbsd
@@ -11,7 +11,7 @@ LIBDIR=	${PREFIX}/lib
 MANDIR= ${PREFIX}/man/cat

 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.49
+SHLIB_MINOR=	1.2.51beta02

 LIB=	png
 SRCS=	png.c pngerror.c pngget.c pngmem.c pngpread.c \
--- a/scripts/makefile.sco
+++ b/scripts/makefile.sco
@@ -12,7 +12,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.sggcc
+++ b/scripts/makefile.sggcc
@@ -9,7 +9,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.sgi
+++ b/scripts/makefile.sgi
@@ -9,7 +9,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.so9
+++ b/scripts/makefile.so9
@@ -11,7 +11,7 @@

 # Library name:
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12

--- a/scripts/makefile.solaris
+++ b/scripts/makefile.solaris
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.solaris-x86
+++ b/scripts/makefile.solaris-x86
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.49
+PNGMIN = 1.2.51beta02
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/png32ce.def
+++ b/scripts/png32ce.def
@@ -5,7 +5,7 @@
 LIBRARY lpngce

 EXPORTS
-;Version 1.2.49
+;Version 1.2.51beta02
  png_build_grayscale_palette  @1
  png_check_sig        @2
  png_chunk_error      @3
--- a/scripts/pngos2.def
+++ b/scripts/pngos2.def
@@ -2,7 +2,7 @@
 ; PNG.LIB module definition file for OS/2
 ;----------------------------------------

-; Version 1.2.49
+; Version 1.2.51beta02

 LIBRARY		PNG
 DESCRIPTION	"PNG image compression library for OS/2"
--- a/scripts/pngw32.def
+++ b/scripts/pngw32.def
@@ -5,7 +5,7 @@
 LIBRARY

 EXPORTS
-;Version 1.2.49
+;Version 1.2.51beta02
  png_build_grayscale_palette  @1
  png_check_sig        @2
  png_chunk_error      @3
Author	SHA1	Message	Date
Glenn Randers-Pehrson	090c5f8367	[libpng12] Imported from libpng-1.2.51beta02.tar	2013-06-18 12:33:15 -05:00
Glenn Randers-Pehrson	226c221d52	[libpng12] Updated README description of contrib and projects directories	2013-06-03 21:08:59 -05:00
Glenn Randers-Pehrson	b727949a3e	[libpng12] Update GIT URL in the manual.	2013-04-11 18:40:36 -05:00
Glenn Randers-Pehrson	70caa957aa	[libpng12] Avoid a possible memory leak in contrib/gregbook/readpng.c	2013-03-01 13:22:10 -06:00
Glenn Randers-Pehrson	dfce99be90	[libpng12] Bump version to 1.2.51beta02	2013-01-22 13:43:43 -06:00
Glenn Randers-Pehrson	8f94f26507	[libpng12] Imported from libpng-1.2.51beta01.tar	2013-01-22 13:38:06 -06:00
Glenn Randers-Pehrson	1723effdb1	[libpng12] Changed default value of PNG_USER_CACHE_MAX from 0 to 32767 in pngconf.h.	2013-01-22 12:32:11 -06:00
Glenn Randers-Pehrson	aad92d71f6	[libpng12] Changed AM_CONFIG_HEADER(config.h) to AC_CONFIG_HEADERS([config.h]) in configure.ac	2013-01-03 14:11:31 -06:00
Glenn Randers-Pehrson	d2361aee37	[libpng12] Bump version to 1.2.51beta01	2013-01-01 09:45:30 -06:00
Glenn Randers-Pehrson	7834d2b1cb	[libpng12] Update copyright year in recently-changed files	2013-01-01 09:44:38 -06:00
Glenn Randers-Pehrson	15c57f2a43	[libpng12] Ignore, with a warning, out-of-range value of num_trans in png_set_tRNS().	2012-12-10 10:10:08 -06:00
Glenn Randers-Pehrson	f54a50aa4e	[libpng12] Imported from libpng-1.2.50.tar	2012-07-10 20:54:07 -05:00