Imported from libpng-1.2.14beta2.tar

Imported from libpng-1.2.14beta1.tar
Imported from libpng-1.2.13.tar
2025-07-10 18:04:09 +02:00 · 2009-04-06 16:11:57 -05:00 · 2009-04-06 16:11:55 -05:00 · 2009-04-06 16:11:53 -05:00 · 2009-04-06 16:11:51 -05:00 · 2009-04-06 16:11:49 -05:00
57 changed files with 4848 additions and 4525 deletions
--- a/77
+++ b/77
@@ -1,64 +1,67 @@

-Libpng 1.2.11 - June 26, 2006
+Libpng 1.2.14beta2 - November 17, 2006

-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-1.2.11.tar.gz
-   libpng-1.2.11.tar.bz2
+   libpng-1.2.14beta2.tar.gz
+   libpng-1.2.14beta2.tar.bz2

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

-   libpng-1.2.11-no-config.tar.gz
-   libpng-1.2.11-no-config.tar.bz2
+   libpng-1.2.14beta2-no-config.tar.gz
+   libpng-1.2.14beta2-no-config.tar.bz2

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

-   lpng1211.zip
-   lpng1211.tar.bz2
+   lp1214b02.zip
+   lp1214b02.tar.bz2

 Project files

-   libpng-1.2.11-project-netware.zip
-   libpng-1.2.11-project-wince.zip
+   libpng-1.2.14beta2-project-netware.zip
+   libpng-1.2.14beta2-project-wince.zip

 Other information:

-   libpng-1.2.11-README.txt
-   libpng-1.2.11-KNOWNBUGS.txt
-   libpng-1.2.11-LICENSE.txt
-   libpng-1.2.11-Y2K-compliance.txt
+   libpng-1.2.14beta2-README.txt
+   libpng-1.2.14beta2-KNOWNBUGS.txt
+   libpng-1.2.14beta2-LICENSE.txt
+   libpng-1.2.14beta2-Y2K-compliance.txt

-Changes since the last public release (1.2.10):
+Changes since the last public release (1.2.12):

-version 1.2.11 [June 26, 2006]
-  scripts/libpng.pc.in contained "configure" style version info and would
-      not work with makefiles.
-    The shared-library makefiles were linking to libpng.so.0 instead of
-      libpng.so.3 compatibility as the library.
-  Increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid
-    buffer overflow.
-  Fixed bug in example.c (png_set_palette_rgb -> png_set_palette_to_rgb)
-  Prepended "#! /bin/sh" to ltmail.sh and contrib/pngminus/*.sh (Cosmin).
-    Removed the accidental leftover Makefile.in~ (Cosmin).
-  Avoided potential buffer overflow and optimized buffer in
-    png_write_sCAL(), png_write_sCAL_s() (Cosmin).
-  Removed the include directories and libraries from CFLAGS and LDFLAGS
-    in scripts/makefile.gcc (Nelson A. de Oliveira, Cosmin).
-  Allow zero-length IDAT chunks after the entire zlib datastream, but not
-    after another intervening chunk type.
-    Deleted extraneous square brackets from [config.h] in configure.ac
-  Added prototypes for PNG_INCH_CONVERSIONS functions to png.h
-  Revised INSTALL and autogen.sh
-  Fixed typo in several makefiles (-W1 should be -Wl)
-  Added one zero element to png_gamma_shift[] array in pngrtran.c to avoid
-    reading out of bounds.
+version 1.2.13beta1 [October 2, 2006]
+  Removed AC_FUNC_MALLOC from configure.ac
+  Work around Intel-Mac compiler bug by setting PNG_NO_MMX_CODE in pngconf.h
+  Change "logical" to "bitwise" throughout documentation.
+  Detect and fix attempt to write wrong iCCP profile length.
+
+version 1.0.21rc1.2.13rc1 [November 10, 2006]
+  Fix potential buffer overflow in sPLT chunk handler.
+  Fix Makefile.am to not try to link to noexistent files.
+  Fix pngerror.c to not use NULL png_ptr.
+
+version 1.0.21rc2, 1.2.13rc2 [November 13, 2006]
+  Check all exported functions for NULL png_ptr.
+
+version 1.0.21, 1.2.13 [November 15, 2006]
+  No changes.
+
+version 1.2.14beta1 [November 17, 2006]
+  Relocated three misplaced tests for NULL png_ptr.
+  Built Makefile.in with automake-1.9.6 instead of 1.9.2.
+  Build configure with autoconf-2.60 instead of 2.59
+
+version 1.2.14beta2 [November 17, 2006]
+  Added some typecasts in png_zalloc().

 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit 
--- a/38
+++ b/38
@@ -1480,7 +1480,7 @@ version 1.2.9beta5 [March 4, 2006]
  Restored scripts/makefile.elf which was inadvertently deleted.

 version 1.2.9beta6 [March 6, 2006]
-  Fixed typo (11) in configuration files.
+  Fixed typo (14) in configuration files.

 version 1.2.9beta7 [March 7, 2006]
  Removed libpng.vers and libpng.sym from libpng12_la_SOURCES in Makefile.am
@@ -1588,26 +1588,52 @@ version 1.2.11beta4 [June 6, 2006]
  Allow zero-length IDAT chunks after the entire zlib datastream, but not
    after another intervening chunk type.

-version 1.2.11rc1 [June 13, 2006]
+version 1.0.19rc1, 1.2.11rc1 [June 13, 2006]
  Deleted extraneous square brackets from [config.h] in configure.ac

-version 1.2.11rc2 [June 14, 2006]
+version 1.0.19rc2, 1.2.11rc2 [June 14, 2006]
  Added prototypes for PNG_INCH_CONVERSIONS functions to png.h
  Revised INSTALL and autogen.sh
  Fixed typo in several makefiles (-W1 should be -Wl)
  Added typedef for png_int_32 and png_uint_32 on 64-bit systems.

-version 1.2.11rc3 [June 15, 2006]
+version 1.0.19rc3, 1.2.11rc3 [June 15, 2006]
  Removed the new typedefs for 64-bit systems (delay until version 1.4.0)
  Added one zero element to png_gamma_shift[] array in pngrtran.c to avoid
    reading out of bounds.

-version 1.2.11rc4 [June 15, 2006]
+version 1.0.19rc4, 1.2.11rc4 [June 15, 2006]
  Really removed the new typedefs for 64-bit systems.

-version 1.2.11rc5 [June 26, 2006]
+version 1.0.19rc5, 1.2.11rc5 [June 22, 2006]
  Removed png_sig_bytes entry from scripts/pngw32.def

+version 1.0.19, 1.2.11 [June 26, 2006]
+  None.
+
+version 1.0.20, 1.2.12 [June 27, 2006]
+  Really increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid
+    buffer overflow.
+
+version 1.2.13beta1 [October 2, 2006]
+  Removed AC_FUNC_MALLOC from configure.ac
+  Work around Intel-Mac compiler bug by setting PNG_NO_MMX_CODE in pngconf.h
+  Change "logical" to "bitwise" throughout documentation.
+  Detect and fix attempt to write wrong iCCP profile length.
+
+version 1.0.21, 1.2.13 [November 14, 2006]
+  Fix potential buffer overflow in sPLT chunk handler.
+  Fix Makefile.am to not try to link to noexistent files.
+  Check all exported functions for NULL png_ptr.
+
+version 1.2.14beta1 [November 17, 2006]
+  Relocated three misplaced tests for NULL png_ptr.
+  Built Makefile.in with automake-1.9.6 instead of 1.9.2.
+  Build configure with autoconf-2.60 instead of 2.59
+
+version 1.2.14beta2 [November 17, 2006]
+  Added some typecasts in png_zalloc().
+
 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/16
+++ b/16
@@ -1,5 +1,5 @@

-Installing libpng version 1.2.11 - June 26, 2006
+Installing libpng version 1.2.14beta2 - November 17, 2006

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

@@ -37,7 +37,7 @@ 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-1.2.11" or "lpng109" and "zlib-1.2.1"
+might be called "libpng-1.2.14beta2" or "lpng109" and "zlib-1.2.1"
 or "zlib121") so that you have directories called "zlib" and "libpng".

 Your directory structure should look like this:
@@ -93,11 +93,11 @@ include

 makefile.std      =>  Generic UNIX makefile (cc, creates static libpng.a)
 makefile.elf      =>  Linux/ELF makefile symbol versioning,
-                       gcc, creates libpng12.so.0.1.2.11)
+                       gcc, creates libpng12.so.0.1.2.14beta2)
 makefile.linux    =>  Linux/ELF makefile
-                       (gcc, creates libpng12.so.0.1.2.11)
+                       (gcc, creates libpng12.so.0.1.2.14beta2)
 makefile.gcmmx    =>  Linux/ELF makefile
-                       (gcc, creates libpng12.so.0.1.2.11,
+                       (gcc, creates libpng12.so.0.1.2.14beta2,
                       uses assembler code tuned for Intel MMX platform)
 makefile.gcc      =>  Generic makefile (gcc, creates static libpng.a)
 makefile.knr      =>  Archaic UNIX Makefile that converts files with
@@ -120,12 +120,12 @@ include
 makefile.openbsd  =>  OpenBSD makefile
 makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
 makefile.sggcc    =>  Silicon Graphics (gcc,
-                       creates libpng12.so.0.1.2.11)
+                       creates libpng12.so.0.1.2.14beta2)
 makefile.sunos    =>  Sun makefile
 makefile.solaris  =>  Solaris 2.X makefile (gcc,
-                       creates libpng12.so.0.1.2.11)
+                       creates libpng12.so.0.1.2.14beta2)
 makefile.so9      =>  Solaris 9 makefile (gcc,
-                       creates libpng12.so.0.1.2.11)
+                       creates libpng12.so.0.1.2.14beta2)
 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/7
+++ b/7
@@ -1,5 +1,5 @@

-Known bugs in libpng version 1.2.11
+Known bugs in libpng version 1.2.14beta2

 1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when
   reading interlaced PNG files, when assembler code is enabled but running
@@ -21,3 +21,8 @@ Known bugs in libpng version 1.2.11

   STATUS: For now, system library builders should use the custom makefiles.

+4. November 15, 2006:  On some platforms (e.g. x86_64), there are unsatisfied
+   references to some MMX functions.
+
+   STATUS:  This is fixed in libpng-1.4.0, but in libpng-1.0.x and 1.2.x
+   you have to put PNG_NO_MMX_CODE manually into pngconf.h.
--- a/4
+++ b/4
@@ -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 1.2.11, June 26, 2006, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.14beta2, November 17, 2006, are
 Copyright (c) 2004, 2006 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.2.5
 with the following individual added to the list of Contributing Authors
@@ -106,4 +106,4 @@ certification mark of the Open Source Initiative.

 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-June 26, 2006
+November 17, 2006
--- a/Makefile.am
+++ b/Makefile.am
@@ -125,7 +125,9 @@ install-exec-hook:
 	cd $(DESTDIR)$(libdir);\
 	for ext in a la so; do\
 		rm -f libpng.$$ext;\
-		$(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\
+                if test -f $(PNGLIB_BASENAME).$$ext; then\
+                       $(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\
+                fi;\
 	done

 uninstall-hook:
--- a/Makefile.in
+++ b/Makefile.in
@@ -2,7 +2,7 @@
 # @configure_input@

 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005  Free Software Foundation, Inc.
+# 2003, 2004  Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -27,6 +27,8 @@



+SOURCES = $(libpng_la_SOURCES) $(libpng12_la_SOURCES) $(pngtest_SOURCES)
+
 srcdir = @srcdir@
 top_srcdir = @top_srcdir@
 VPATH = @srcdir@
@@ -46,7 +48,6 @@ POST_INSTALL = :
 NORMAL_UNINSTALL = :
 PRE_UNINSTALL = :
 POST_UNINSTALL = :
-build_triplet = @build@
 host_triplet = @host@
 check_PROGRAMS = pngtest$(EXEEXT)
@HAVE_LD_VERSION_SCRIPT_TRUE@am__append_1 = -Wl,--version-script=libpng.vers
@@ -110,11 +111,11 @@ depcomp = $(SHELL) $(top_srcdir)/depcomp
 am__depfiles_maybe = depfiles
 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
-LTCOMPILE = $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) \
+LTCOMPILE = $(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) \
 	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
 	$(AM_CFLAGS) $(CFLAGS)
 CCLD = $(CC)
-LINK = $(LIBTOOL) --tag=CC --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+LINK = $(LIBTOOL) --mode=link --tag=CC $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
 	$(AM_LDFLAGS) $(LDFLAGS) -o $@
 SOURCES = $(libpng_la_SOURCES) $(libpng12_la_SOURCES) \
 	$(pngtest_SOURCES)
@@ -173,6 +174,7 @@ EGREP = @EGREP@
 EXEEXT = @EXEEXT@
 F77 = @F77@
 FFLAGS = @FFLAGS@
+GREP = @GREP@
 HAVE_LD_VERSION_SCRIPT_FALSE = @HAVE_LD_VERSION_SCRIPT_FALSE@
 HAVE_LD_VERSION_SCRIPT_TRUE = @HAVE_LD_VERSION_SCRIPT_TRUE@
 INSTALL_DATA = @INSTALL_DATA@
@@ -208,13 +210,9 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
-ac_ct_AR = @ac_ct_AR@
 ac_ct_CC = @ac_ct_CC@
 ac_ct_CXX = @ac_ct_CXX@
 ac_ct_F77 = @ac_ct_F77@
-ac_ct_RANLIB = @ac_ct_RANLIB@
-ac_ct_SED = @ac_ct_SED@
-ac_ct_STRIP = @ac_ct_STRIP@
 am__fastdepCC_FALSE = @am__fastdepCC_FALSE@
 am__fastdepCC_TRUE = @am__fastdepCC_TRUE@
 am__fastdepCXX_FALSE = @am__fastdepCXX_FALSE@
@@ -235,27 +233,34 @@ build_os = @build_os@
 build_vendor = @build_vendor@
 compatlib = @compatlib@
 datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 host = @host@
 host_alias = @host_alias@
 host_cpu = @host_cpu@
 host_os = @host_os@
 host_vendor = @host_vendor@
+htmldir = @htmldir@
 includedir = @includedir@
 infodir = @infodir@
 install_sh = @install_sh@
 libdir = @libdir@
 libexecdir = @libexecdir@
+localedir = @localedir@
 localstatedir = @localstatedir@
 mandir = @mandir@
 mkdir_p = @mkdir_p@
 oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@

 # pkg-config stuff, note that libpng.pc is always required in order
 # to get the correct library
 pkgconfigdir = @pkgconfigdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
+psdir = @psdir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 sysconfdir = @sysconfdir@
@@ -317,7 +322,9 @@ EXTRA_DIST = \
 	$(TESTS) \
 	example.c libpng.txt pngvcrd.c 

-CLEANFILES = pngout.png libpng12.pc libpng12-config libpng.vers libpng.sym
+CLEANFILES = pngout.png libpng12.pc libpng12-config libpng.vers \
+libpng.sym
+
 all: config.h
 	$(MAKE) $(AM_MAKEFLAGS) all-am

@@ -500,228 +507,228 @@ distclean-compile:
@am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<

 libpng_la-png.lo: png.c
-@am__fastdepCC_TRUE@	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng_la-png.lo -MD -MP -MF "$(DEPDIR)/libpng_la-png.Tpo" -c -o libpng_la-png.lo `test -f 'png.c' || echo '$(srcdir)/'`png.c; \
+@am__fastdepCC_TRUE@	if $(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng_la-png.lo -MD -MP -MF "$(DEPDIR)/libpng_la-png.Tpo" -c -o libpng_la-png.lo `test -f 'png.c' || echo '$(srcdir)/'`png.c; \
@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libpng_la-png.Tpo" "$(DEPDIR)/libpng_la-png.Plo"; else rm -f "$(DEPDIR)/libpng_la-png.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='png.c' object='libpng_la-png.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng_la-png.lo `test -f 'png.c' || echo '$(srcdir)/'`png.c
+@am__fastdepCC_FALSE@	$(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng_la-png.lo `test -f 'png.c' || echo '$(srcdir)/'`png.c

 libpng_la-pngset.lo: pngset.c
-@am__fastdepCC_TRUE@	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng_la-pngset.lo -MD -MP -MF "$(DEPDIR)/libpng_la-pngset.Tpo" -c -o libpng_la-pngset.lo `test -f 'pngset.c' || echo '$(srcdir)/'`pngset.c; \
+@am__fastdepCC_TRUE@	if $(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng_la-pngset.lo -MD -MP -MF "$(DEPDIR)/libpng_la-pngset.Tpo" -c -o libpng_la-pngset.lo `test -f 'pngset.c' || echo '$(srcdir)/'`pngset.c; \
@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libpng_la-pngset.Tpo" "$(DEPDIR)/libpng_la-pngset.Plo"; else rm -f "$(DEPDIR)/libpng_la-pngset.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='pngset.c' object='libpng_la-pngset.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng_la-pngset.lo `test -f 'pngset.c' || echo '$(srcdir)/'`pngset.c
+@am__fastdepCC_FALSE@	$(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng_la-pngset.lo `test -f 'pngset.c' || echo '$(srcdir)/'`pngset.c

 libpng_la-pngget.lo: pngget.c
-@am__fastdepCC_TRUE@	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng_la-pngget.lo -MD -MP -MF "$(DEPDIR)/libpng_la-pngget.Tpo" -c -o libpng_la-pngget.lo `test -f 'pngget.c' || echo '$(srcdir)/'`pngget.c; \
+@am__fastdepCC_TRUE@	if $(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng_la-pngget.lo -MD -MP -MF "$(DEPDIR)/libpng_la-pngget.Tpo" -c -o libpng_la-pngget.lo `test -f 'pngget.c' || echo '$(srcdir)/'`pngget.c; \
@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libpng_la-pngget.Tpo" "$(DEPDIR)/libpng_la-pngget.Plo"; else rm -f "$(DEPDIR)/libpng_la-pngget.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='pngget.c' object='libpng_la-pngget.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng_la-pngget.lo `test -f 'pngget.c' || echo '$(srcdir)/'`pngget.c
+@am__fastdepCC_FALSE@	$(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng_la-pngget.lo `test -f 'pngget.c' || echo '$(srcdir)/'`pngget.c

 libpng_la-pngrutil.lo: pngrutil.c
-@am__fastdepCC_TRUE@	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng_la-pngrutil.lo -MD -MP -MF "$(DEPDIR)/libpng_la-pngrutil.Tpo" -c -o libpng_la-pngrutil.lo `test -f 'pngrutil.c' || echo '$(srcdir)/'`pngrutil.c; \
+@am__fastdepCC_TRUE@	if $(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng_la-pngrutil.lo -MD -MP -MF "$(DEPDIR)/libpng_la-pngrutil.Tpo" -c -o libpng_la-pngrutil.lo `test -f 'pngrutil.c' || echo '$(srcdir)/'`pngrutil.c; \
@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libpng_la-pngrutil.Tpo" "$(DEPDIR)/libpng_la-pngrutil.Plo"; else rm -f "$(DEPDIR)/libpng_la-pngrutil.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='pngrutil.c' object='libpng_la-pngrutil.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng_la-pngrutil.lo `test -f 'pngrutil.c' || echo '$(srcdir)/'`pngrutil.c
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 libpng12_la-pngwtran.lo: pngwtran.c
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+@am__fastdepCC_TRUE@	if $(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng12_la-pngwtran.lo -MD -MP -MF "$(DEPDIR)/libpng12_la-pngwtran.Tpo" -c -o libpng12_la-pngwtran.lo `test -f 'pngwtran.c' || echo '$(srcdir)/'`pngwtran.c; \
@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libpng12_la-pngwtran.Tpo" "$(DEPDIR)/libpng12_la-pngwtran.Plo"; else rm -f "$(DEPDIR)/libpng12_la-pngwtran.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='pngwtran.c' object='libpng12_la-pngwtran.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng12_la-pngwtran.lo `test -f 'pngwtran.c' || echo '$(srcdir)/'`pngwtran.c
+@am__fastdepCC_FALSE@	$(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng12_la-pngwtran.lo `test -f 'pngwtran.c' || echo '$(srcdir)/'`pngwtran.c

 libpng12_la-pngmem.lo: pngmem.c
-@am__fastdepCC_TRUE@	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng12_la-pngmem.lo -MD -MP -MF "$(DEPDIR)/libpng12_la-pngmem.Tpo" -c -o libpng12_la-pngmem.lo `test -f 'pngmem.c' || echo '$(srcdir)/'`pngmem.c; \
+@am__fastdepCC_TRUE@	if $(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng12_la-pngmem.lo -MD -MP -MF "$(DEPDIR)/libpng12_la-pngmem.Tpo" -c -o libpng12_la-pngmem.lo `test -f 'pngmem.c' || echo '$(srcdir)/'`pngmem.c; \
@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libpng12_la-pngmem.Tpo" "$(DEPDIR)/libpng12_la-pngmem.Plo"; else rm -f "$(DEPDIR)/libpng12_la-pngmem.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='pngmem.c' object='libpng12_la-pngmem.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng12_la-pngmem.lo `test -f 'pngmem.c' || echo '$(srcdir)/'`pngmem.c
+@am__fastdepCC_FALSE@	$(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng12_la-pngmem.lo `test -f 'pngmem.c' || echo '$(srcdir)/'`pngmem.c

 libpng12_la-pngerror.lo: pngerror.c
-@am__fastdepCC_TRUE@	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng12_la-pngerror.lo -MD -MP -MF "$(DEPDIR)/libpng12_la-pngerror.Tpo" -c -o libpng12_la-pngerror.lo `test -f 'pngerror.c' || echo '$(srcdir)/'`pngerror.c; \
+@am__fastdepCC_TRUE@	if $(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng12_la-pngerror.lo -MD -MP -MF "$(DEPDIR)/libpng12_la-pngerror.Tpo" -c -o libpng12_la-pngerror.lo `test -f 'pngerror.c' || echo '$(srcdir)/'`pngerror.c; \
@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libpng12_la-pngerror.Tpo" "$(DEPDIR)/libpng12_la-pngerror.Plo"; else rm -f "$(DEPDIR)/libpng12_la-pngerror.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='pngerror.c' object='libpng12_la-pngerror.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng12_la-pngerror.lo `test -f 'pngerror.c' || echo '$(srcdir)/'`pngerror.c
+@am__fastdepCC_FALSE@	$(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng12_la-pngerror.lo `test -f 'pngerror.c' || echo '$(srcdir)/'`pngerror.c

 libpng12_la-pngpread.lo: pngpread.c
-@am__fastdepCC_TRUE@	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng12_la-pngpread.lo -MD -MP -MF "$(DEPDIR)/libpng12_la-pngpread.Tpo" -c -o libpng12_la-pngpread.lo `test -f 'pngpread.c' || echo '$(srcdir)/'`pngpread.c; \
+@am__fastdepCC_TRUE@	if $(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng12_la-pngpread.lo -MD -MP -MF "$(DEPDIR)/libpng12_la-pngpread.Tpo" -c -o libpng12_la-pngpread.lo `test -f 'pngpread.c' || echo '$(srcdir)/'`pngpread.c; \
@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libpng12_la-pngpread.Tpo" "$(DEPDIR)/libpng12_la-pngpread.Plo"; else rm -f "$(DEPDIR)/libpng12_la-pngpread.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='pngpread.c' object='libpng12_la-pngpread.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng12_la-pngpread.lo `test -f 'pngpread.c' || echo '$(srcdir)/'`pngpread.c
+@am__fastdepCC_FALSE@	$(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng12_la-pngpread.lo `test -f 'pngpread.c' || echo '$(srcdir)/'`pngpread.c

 libpng12_la-pnggccrd.lo: pnggccrd.c
-@am__fastdepCC_TRUE@	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng12_la-pnggccrd.lo -MD -MP -MF "$(DEPDIR)/libpng12_la-pnggccrd.Tpo" -c -o libpng12_la-pnggccrd.lo `test -f 'pnggccrd.c' || echo '$(srcdir)/'`pnggccrd.c; \
+@am__fastdepCC_TRUE@	if $(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng12_la-pnggccrd.lo -MD -MP -MF "$(DEPDIR)/libpng12_la-pnggccrd.Tpo" -c -o libpng12_la-pnggccrd.lo `test -f 'pnggccrd.c' || echo '$(srcdir)/'`pnggccrd.c; \
@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libpng12_la-pnggccrd.Tpo" "$(DEPDIR)/libpng12_la-pnggccrd.Plo"; else rm -f "$(DEPDIR)/libpng12_la-pnggccrd.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='pnggccrd.c' object='libpng12_la-pnggccrd.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng12_la-pnggccrd.lo `test -f 'pnggccrd.c' || echo '$(srcdir)/'`pnggccrd.c
+@am__fastdepCC_FALSE@	$(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng12_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng12_la-pnggccrd.lo `test -f 'pnggccrd.c' || echo '$(srcdir)/'`pnggccrd.c

 mostlyclean-libtool:
 	-rm -f *.lo
@@ -1237,7 +1244,7 @@ $(PNGLIB_BASENAME)-config: libpng-config

 libpng.sym: png.h pngconf.h
 	rm -f $@ $@.new
-	$(CPP) @LIBPNG_DEFINES@ $(CPPFLAGS) -DPNG_BUILDSYMS $(srcdir)/png.h | \
+	$(CPP) @LIBPNG_DEFINES@ $(CPPFLAGS) -DPNG_BUILDSYMS png.h | \
 		$(SED) -n -e 's|^.*PNG_FUNCTION_EXPORT[ 	]*\([a-zA-Z0-9_]*\).*$$|\1|p' \
 			-e 's|^.*PNG_DATA_EXPORT[ 	]*\([a-zA-Z0-9_]*\).*$$|\1|p' \
 			>$@.new
@@ -1266,7 +1273,9 @@ install-exec-hook:
 	cd $(DESTDIR)$(libdir);\
 	for ext in a la so; do\
 		rm -f libpng.$$ext;\
-		$(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\
+                if test -f $(PNGLIB_BASENAME).$$ext; then\
+                       $(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\
+                fi;\
 	done

 uninstall-hook:
--- a/14
+++ b/14
@@ -1,4 +1,4 @@
-README for libpng version 1.2.11 - June 26, 2006 (shared library 12.0)
+README for libpng version 1.2.14beta2 - November 17, 2006 (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.
@@ -190,11 +190,11 @@ 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.0.1.2.11)
+                            gcc, creates libpng12.so.0.1.2.14beta2)
       makefile.linux   =>  Linux/ELF makefile
-                            (gcc, creates libpng12.so.0.1.2.11)
+                            (gcc, creates libpng12.so.0.1.2.14beta2)
       makefile.gcmmx   =>  Linux/ELF makefile
-                            (gcc, creates libpng12.so.0.1.2.11,
+                            (gcc, creates libpng12.so.0.1.2.14beta2,
                            uses assembler code tuned for Intel MMX platform)
       makefile.gcc     =>  Generic makefile (gcc, creates static libpng.a)
       makefile.knr     =>  Archaic UNIX Makefile that converts files with
@@ -216,12 +216,12 @@ 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.0.1.2.11)
+                            (gcc, creates libpng12.so.0.1.2.14beta2)
       makefile.sunos   =>  Sun makefile
       makefile.solaris =>  Solaris 2.X makefile
-                            (gcc, creates libpng12.so.0.1.2.11)
+                            (gcc, creates libpng12.so.0.1.2.14beta2)
       makefile.so9     =>  Solaris 9 makefile
-                            (gcc, creates libpng12.so.0.1.2.11)
+                            (gcc, creates libpng12.so.0.1.2.14beta2)
       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:
   =========================

-      June 26, 2006
+      November 17, 2006

      Since the PNG Development group is an ad-hoc body, we can't make
      an official declaration.

      This is your unofficial assurance that libpng from version 0.71 and
-      upward through 1.2.11 are Y2K compliant.  It is my belief that earlier
+      upward through 1.2.14beta2 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/7777
+++ b/7777
--- a/configure.ac
+++ b/configure.ac
@@ -18,14 +18,14 @@ AC_PREREQ(2.59)

 dnl Version number stuff here:

-AC_INIT([libpng], [1.2.11], [png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng], [1.2.14beta2], [png-mng-implement@lists.sourceforge.net])
 AM_INIT_AUTOMAKE
 dnl stop configure from automagically running automake
 AM_MAINTAINER_MODE

-PNGLIB_VERSION=1.2.11
+PNGLIB_VERSION=1.2.14beta2
 PNGLIB_MAJOR=12
-PNGLIB_MINOR=11
+PNGLIB_MINOR=14

 dnl End of version number stuff

@@ -52,7 +52,6 @@ AC_TYPE_SIZE_T
 AC_STRUCT_TM

 # Checks for library functions.
-AC_FUNC_MALLOC
 AC_FUNC_STRTOD
 AC_CHECK_FUNCS([memset], , AC_ERROR([memset not found in libc]))
 AC_CHECK_FUNCS([pow], , AC_CHECK_LIB(m, pow, , AC_ERROR([cannot find pow])) )
--- a/libpng.3
+++ b/libpng.3
@@ -1,815 +1,404 @@
-.TH LIBPNG 3 "June 26, 2006"
+.TH LIBPNG 3 "November 17, 2006"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.11
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.14beta2
 .SH SYNOPSIS
-\fI\fB
-
-\fB#include <png.h>\fP
-
-\fI\fB
+\fB
+#include <png.h>\fP

 \fBpng_uint_32 png_access_version_number \fI(void\fP\fB);\fP

-\fI\fB
-
 \fBint png_check_sig (png_bytep \fP\fIsig\fP\fB, int \fInum\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_chunk_error (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fIerror\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_chunk_warning (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fImessage\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_convert_from_struct_tm (png_timep \fP\fIptime\fP\fB, struct tm FAR * \fIttime\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_convert_from_time_t (png_timep \fP\fIptime\fP\fB, time_t \fIttime\fP\fB);\fP

-\fI\fB
-
 \fBpng_charp png_convert_to_rfc1123 (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fIptime\fP\fB);\fP

-\fI\fB
-
 \fBpng_infop png_create_info_struct (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_structp png_create_read_struct (png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarn_fn\fP\fB);\fP

-\fI\fB
-
 \fBpng_structp png_create_read_struct_2(png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fP\fIwarn_fn\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP

-\fI\fB
-
 \fBpng_structp png_create_write_struct (png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarn_fn\fP\fB);\fP

-\fI\fB
-
 \fBpng_structp png_create_write_struct_2(png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fP\fIwarn_fn\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP

-\fI\fB
-
 \fBint png_debug(int \fP\fIlevel\fP\fB, png_const_charp \fImessage\fP\fB);\fP

-\fI\fB
-
 \fBint png_debug1(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fIp1\fP\fB);\fP

-\fI\fB
-
 \fBint png_debug2(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fP\fIp1\fP\fB, \fIp2\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_destroy_info_struct (png_structp \fP\fIpng_ptr\fP\fB, png_infopp \fIinfo_ptr_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_destroy_read_struct (png_structpp \fP\fIpng_ptr_ptr\fP\fB, png_infopp \fP\fIinfo_ptr_ptr\fP\fB, png_infopp \fIend_info_ptr_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_destroy_write_struct (png_structpp \fP\fIpng_ptr_ptr\fP\fB, png_infopp \fIinfo_ptr_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_error (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fIerror\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_free (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fIptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_free_chunk_list (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_free_default(png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fIptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_free_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fInum\fP\fB);\fP

-\fI\fB
-
 \fBpng_byte png_get_bit_depth (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_16p \fI*background\fP\fB);\fP

-\fI\fB
-
 \fBpng_byte png_get_channels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fI*white_x\fP\fB, double \fP\fI*white_y\fP\fB, double \fP\fI*red_x\fP\fB, double \fP\fI*red_y\fP\fB, double \fP\fI*green_x\fP\fB, double \fP\fI*green_y\fP\fB, double \fP\fI*blue_x\fP\fB, double \fI*blue_y\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*white_x\fP\fB, png_uint_32 \fP\fI*white_y\fP\fB, png_uint_32 \fP\fI*red_x\fP\fB, png_uint_32 \fP\fI*red_y\fP\fB, png_uint_32 \fP\fI*green_x\fP\fB, png_uint_32 \fP\fI*green_y\fP\fB, png_uint_32 \fP\fI*blue_x\fP\fB, png_uint_32 \fI*blue_y\fP\fB);\fP

-\fI\fB
-
 \fBpng_byte png_get_color_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_byte png_get_compression_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_byte png_get_copyright (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_voidp png_get_error_ptr (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_byte png_get_filter_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fI*file_gamma\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fI*int_file_gamma\fP\fB);\fP

-\fI\fB
-
 \fBpng_byte png_get_header_ver (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_byte png_get_header_version (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_16p \fI*hist\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charpp \fP\fIname\fP\fB, int \fP\fI*compression_type\fP\fB, png_charpp \fP\fIprofile\fP\fB, png_uint_32 \fI*proflen\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*width\fP\fB, png_uint_32 \fP\fI*height\fP\fB, int \fP\fI*bit_depth\fP\fB, int \fP\fI*color_type\fP\fB, int \fP\fI*interlace_type\fP\fB, int \fP\fI*compression_type\fP\fB, int \fI*filter_type\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_image_height (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_image_width (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
-\fB#if \fI!defined(PNG_1_0_X)
-
-\fBpng_int_32 png_get_int_32 (png_bytep \fIbuf\fP\fB);\fP
-
-\fI\fB#endif
-
-\fI\fB
+\fB#if !defined(PNG_1_0_X) png_int_32 png_get_int_32 (png_bytep buf); \fI#endif

 \fBpng_byte png_get_interlace_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_voidp png_get_io_ptr (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_byte png_get_libpng_ver (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_voidp png_get_mem_ptr(png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*offset_x\fP\fB, png_uint_32 \fP\fI*offset_y\fP\fB, int \fI*unit_type\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fI*purpose\fP\fB, png_int_32 \fP\fI*X0\fP\fB, png_int_32 \fP\fI*X1\fP\fB, int \fP\fI*type\fP\fB, int \fP\fI*nparams\fP\fB, png_charp \fP\fI*units\fP\fB, png_charpp \fI*params\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*res_x\fP\fB, png_uint_32 \fP\fI*res_y\fP\fB, int \fI*unit_type\fP\fB);\fP

-\fI\fB
-
 \fBfloat png_get_pixel_aspect_ratio (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_voidp png_get_progressive_ptr (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_colorp \fP\fI*palette\fP\fB, int \fI*num_palette\fP\fB);\fP

-\fI\fB
-
-\fBpng_byte png_get_rgb_to_gray_status (png_structp \fIpng_ptr)
-
-\fBpng_uint_32 png_get_rowbytes (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
+\fBpng_byte png_get_rgb_to_gray_status (png_structp png_ptr) png_uint_32 png_get_rowbytes (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

 \fBpng_bytepp png_get_rows (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_8p \fI*sig_bit\fP\fB);\fP

-\fI\fB
-
 \fBpng_bytep png_get_signature (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_spalette_p \fI*splt_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fI*intent\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_text (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fI*text_ptr\fP\fB, int \fI*num_text\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_timep \fI*mod_time\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fI*trans\fP\fB, int \fP\fI*num_trans\fP\fB, png_color_16p \fI*trans_values\fP\fB);\fP

-\fI\fB
-
-\fB#if \fI!defined(PNG_1_0_X)
-
-\fBpng_uint_16 png_get_uint_16 (png_bytep \fIbuf\fP\fB);\fP
-
-\fI\fB
+\fB#if !defined(PNG_1_0_X) png_uint_16 png_get_uint_16 (png_bytep \fIbuf\fP\fB);\fP

 \fBpng_uint_32 png_get_uint_31 (png_bytep \fIbuf\fP\fB);\fP

-\fI\fB
-
-\fBpng_uint_32 png_get_uint_32 (png_bytep \fIbuf\fP\fB);\fP
-
-\fI\fB#endif
-
-\fI\fB
+\fBpng_uint_32 png_get_uint_32 (png_bytep buf); \fI#endif

 \fBpng_uint_32 png_get_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_unknown_chunkpp \fIunknowns\fP\fB);\fP

-\fI\fB
-
 \fBpng_voidp png_get_user_chunk_ptr (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_user_height_max( png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_voidp png_get_user_transform_ptr (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_user_width_max (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_valid (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIflag\fP\fB);\fP

-\fI\fB
-
 \fBpng_int_32 png_get_x_offset_microns (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_int_32 png_get_x_offset_pixels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_x_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_int_32 png_get_y_offset_microns (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_int_32 png_get_y_offset_pixels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_y_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_get_compression_buffer_size (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBint png_handle_as_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_init_io (png_structp \fP\fIpng_ptr\fP\fB, FILE \fI*fp\fP\fB);\fP

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

-\fI\fB
-
 \fBDEPRECATED: void png_info_init_2 (png_infopp \fP\fIptr_ptr\fP\fB, png_size_t \fIpng_info_struct_size\fP\fB);\fP

-\fI\fB
-
 \fBpng_voidp png_malloc (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP

-\fI\fB
-
 \fBpng_voidp png_malloc_default(png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP

-\fI\fB
-
 \fBvoidp png_memcpy (png_voidp \fP\fIs1\fP\fB, png_voidp \fP\fIs2\fP\fB, png_size_t \fIsize\fP\fB);\fP

-\fI\fB
-
 \fBpng_voidp png_memcpy_check (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIs1\fP\fB, png_voidp \fP\fIs2\fP\fB, png_uint_32 \fIsize\fP\fB);\fP

-\fI\fB
-
 \fBvoidp png_memset (png_voidp \fP\fIs1\fP\fB, int \fP\fIvalue\fP\fB, png_size_t \fIsize\fP\fB);\fP

-\fI\fB
-
 \fBpng_voidp png_memset_check (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIs1\fP\fB, int \fP\fIvalue\fP\fB, png_uint_32 \fIsize\fP\fB);\fP

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

-\fI\fB
-
 \fBvoid png_process_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_size\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_progressive_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIold_row\fP\fB, png_bytep \fInew_row\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_read_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_infop \fIend_info_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_read_image (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fIimage\fP\fB);\fP

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

-\fI\fB
-
 \fBDEPRECATED: void png_read_init_2 (png_structpp \fP\fIptr_ptr\fP\fB, png_const_charp \fP\fIuser_png_ver\fP\fB, png_size_t \fP\fIpng_struct_size\fP\fB, png_size_t \fIpng_info_size\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_read_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_read_png (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fItransforms\fP\fB, png_voidp \fIparams\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_read_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fIdisplay_row\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_read_rows (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fP\fIrow\fP\fB, png_bytepp \fP\fIdisplay_row\fP\fB, png_uint_32 \fInum_rows\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_read_update_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
-\fB#if \fI!defined(PNG_1_0_X)
-
-\fBpng_save_int_32 (png_bytep \fP\fIbuf\fP\fB, png_int_32 \fIi\fP\fB);\fP
-
-\fI\fB
+\fB#if !defined(PNG_1_0_X) png_save_int_32 (png_bytep \fP\fIbuf\fP\fB, png_int_32 \fIi\fP\fB);\fP

 \fBvoid png_save_uint_16 (png_bytep \fP\fIbuf\fP\fB, unsigned int \fIi\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_save_uint_32 (png_bytep \fP\fIbuf\fP\fB, png_uint_32 \fIi\fP\fB);\fP

-\fI\fB
-
-\fBvoid png_set_add_alpha (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int \fIflags\fP\fB);\fP
-
-\fI\fB#endif
-
-\fI\fB
+\fBvoid png_set_add_alpha (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int flags); \fI#endif

 \fBvoid png_set_background (png_structp \fP\fIpng_ptr\fP\fB, png_color_16p \fP\fIbackground_color\fP\fB, int \fP\fIbackground_gamma_code\fP\fB, int \fP\fIneed_expand\fP\fB, double \fIbackground_gamma\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_bgr (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_16p \fIbackground\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_compression_level (png_structp \fP\fIpng_ptr\fP\fB, int \fIlevel\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_compression_mem_level (png_structp \fP\fIpng_ptr\fP\fB, int \fImem_level\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_compression_method (png_structp \fP\fIpng_ptr\fP\fB, int \fImethod\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_compression_strategy (png_structp \fP\fIpng_ptr\fP\fB, int \fIstrategy\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_compression_window_bits (png_structp \fP\fIpng_ptr\fP\fB, int \fIwindow_bits\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_crc_action (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcrit_action\fP\fB, int \fIancil_action\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_dither (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fP\fInum_palette\fP\fB, int \fP\fImaximum_colors\fP\fB, png_uint_16p \fP\fIhistogram\fP\fB, int \fIfull_dither\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_error_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarning_fn\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_expand (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_expand_gray_1_2_4_to_8(png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_filler (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int \fIflags\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_filter (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fImethod\fP\fB, int \fIfilters\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_filter_heuristics (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIheuristic_method\fP\fB, int \fP\fInum_weights\fP\fB, png_doublep \fP\fIfilter_weights\fP\fB, png_doublep \fIfilter_costs\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_flush (png_structp \fP\fIpng_ptr\fP\fB, int \fInrows\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_gamma (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIscreen_gamma\fP\fB, double \fIdefault_file_gamma\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIfile_gamma\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_gray_1_2_4_to_8(png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_gray_to_rgb (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_16p \fIhist\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, png_uint_32 \fIproflen\fP\fB);\fP

-\fI\fB
-
 \fBint png_set_interlace_handling (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_invalid (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fImask\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_invert_alpha (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_invert_mono (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIinterlace_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fIfilter_type\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_keep_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIkeep\fP\fB, png_bytep \fP\fIchunk_list\fP\fB, int \fInum_chunks\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_mem_fn(png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIoffset_x\fP\fB, png_uint_32 \fP\fIoffset_y\fP\fB, int \fIunit_type\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_packing (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_packswap (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_palette_to_rgb(png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIres_x\fP\fB, png_uint_32 \fP\fIres_y\fP\fB, int \fIunit_type\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_progressive_read_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIprogressive_ptr\fP\fB, png_progressive_info_ptr \fP\fIinfo_fn\fP\fB, png_progressive_row_ptr \fP\fIrow_fn\fP\fB, png_progressive_end_ptr \fIend_fn\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_read_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIio_ptr\fP\fB, png_rw_ptr \fIread_data_fn\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_read_status_fn (png_structp \fP\fIpng_ptr\fP\fB, png_read_status_ptr \fIread_row_fn\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_read_user_transform_fn (png_structp \fP\fIpng_ptr\fP\fB, png_user_transform_ptr \fIread_user_transform_fn\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_rgb_to_gray (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIerror_action\fP\fB, double \fP\fIred\fP\fB, double \fIgreen\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_rgb_to_gray_fixed (png_structp \fP\fIpng_ptr\fP\fB, int error_action png_fixed_point \fP\fIred\fP\fB, png_fixed_point \fIgreen\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_rows (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytepp \fIrow_pointers\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_8p \fIsig_bit\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_shift (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fItrue_bits\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_sig_bytes (png_structp \fP\fIpng_ptr\fP\fB, int \fInum_bytes\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_spalette_p \fP\fIsplt_ptr\fP\fB, int \fInum_spalettes\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fIintent\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_sRGB_gAMA_and_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fIintent\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_strip_16 (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_strip_alpha (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_swap (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_swap_alpha (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_text (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fP\fInum_trans\fP\fB, png_color_16p \fItrans_values\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_tRNS_to_alpha(png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBpng_uint_32 png_set_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_unknown_chunkp \fP\fIunknowns\fP\fB, int \fP\fInum\fP\fB, int \fIlocation\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_unknown_chunk_location(png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fIchunk\fP\fB, int \fIlocation\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_read_user_chunk_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIuser_chunk_ptr\fP\fB, png_user_chunk_ptr \fIread_user_chunk_fn\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_user_limits (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIuser_width_max\fP\fB, png_uint_32 \fIuser_height_max\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_user_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIuser_transform_ptr\fP\fB, int \fP\fIuser_transform_depth\fP\fB, int \fIuser_transform_channels\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_write_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIio_ptr\fP\fB, png_rw_ptr \fP\fIwrite_data_fn\fP\fB, png_flush_ptr \fIoutput_flush_fn\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_write_status_fn (png_structp \fP\fIpng_ptr\fP\fB, png_write_status_ptr \fIwrite_row_fn\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_write_user_transform_fn (png_structp \fP\fIpng_ptr\fP\fB, png_user_transform_ptr \fIwrite_user_transform_fn\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_set_compression_buffer_size(png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP

-\fI\fB
-
 \fBint png_sig_cmp (png_bytep \fP\fIsig\fP\fB, png_size_t \fP\fIstart\fP\fB, png_size_t \fInum_to_check\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_start_read_image (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_warning (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fImessage\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_write_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIchunk_name\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_write_chunk_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_write_chunk_end (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_write_chunk_start (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIchunk_name\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_write_destroy (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_write_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_write_flush (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_write_image (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fIimage\fP\fB);\fP

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

-\fI\fB
-
 \fBDEPRECATED: void png_write_init_2 (png_structpp \fP\fIptr_ptr\fP\fB, png_const_charp \fP\fIuser_png_ver\fP\fB, png_size_t \fP\fIpng_struct_size\fP\fB, png_size_t \fIpng_info_size\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_write_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_write_info_before_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_write_png (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fItransforms\fP\fB, png_voidp \fIparams\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_write_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_write_rows (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fP\fIrow\fP\fB, png_uint_32 \fInum_rows\fP\fB);\fP

-\fI\fB
-
 \fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP

-\fI\fB
-
 \fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP

-\fI\fB
-
 .SH DESCRIPTION
 The
 .I libpng
@@ -821,7 +410,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
 .SH LIBPNG.TXT
 libpng.txt - A description on how to use and modify libpng

- libpng version 1.2.11 - June 26, 2006
+ libpng version 1.2.14beta2 - November 17, 2006
 Updated and distributed by Glenn Randers-Pehrson
 <glennrp at users.sourceforge.net>
 Copyright (c) 1998-2005 Glenn Randers-Pehrson
@@ -1213,7 +802,7 @@ dithering, and setting filler.)  If this is the case, simply do this:

    png_read_png(png_ptr, info_ptr, png_transforms, NULL)

-where png_transforms is an integer containing the logical OR of
+where png_transforms is an integer containing the bitwise OR of
 some set of transformation flags.  This call is equivalent to png_read_info(),
 followed the set of transformations indicated by the transform mask,
 then png_read_image(), and finally png_read_end().
@@ -2093,7 +1682,7 @@ point to libpng-allocated storage with the following function:

    png_free_data(png_ptr, info_ptr, mask, seq)
    mask - identifies data to be freed, a mask
-           containing the logical OR of one or
+           containing the bitwise OR of one or
           more of
             PNG_FREE_PLTE, PNG_FREE_TRNS,
             PNG_FREE_HIST, PNG_FREE_ICCP,
@@ -2155,7 +1744,7 @@ application instead of by libpng, you can use

    png_set_invalid(png_ptr, info_ptr, mask);
    mask - identifies the chunks to be made invalid,
-           containing the logical OR of one or
+           containing the bitwise OR of one or
           more of
             PNG_INFO_gAMA, PNG_INFO_sBIT,
             PNG_INFO_cHRM, PNG_INFO_PLTE,
@@ -2467,7 +2056,7 @@ types.

    /* turn on or off filtering, and/or choose
       specific filters.  You can use either a single
-       PNG_FILTER_VALUE_NAME or the logical OR of one
+       PNG_FILTER_VALUE_NAME or the bitwise OR of one
       or more PNG_FILTER_NAME masks. */
    png_set_filter(png_ptr, 0,
       PNG_FILTER_NONE  | PNG_FILTER_VALUE_NONE |
@@ -2840,7 +2429,7 @@ png_set_rows() to put image data in the info structure), simply do this:

    png_write_png(png_ptr, info_ptr, png_transforms, NULL)

-where png_transforms is an integer containing the logical OR of some set of
+where png_transforms is an integer containing the bitwise OR of some set of
 transformation flags.  This call is equivalent to png_write_info(),
 followed the set of transformations indicated by the transform mask,
 then png_write_image(), and finally png_write_end().
@@ -3100,7 +2689,7 @@ point to libpng-allocated storage with the following function:

    png_free_data(png_ptr, info_ptr, mask, seq)
    mask  - identifies data to be freed, a mask
-            containing the logical OR of one or
+            containing the bitwise OR of one or
            more of
              PNG_FREE_PLTE, PNG_FREE_TRNS,
              PNG_FREE_HIST, PNG_FREE_ICCP,
@@ -3670,12 +3259,12 @@ Libpng can support some of these extensions.  To enable them, use the
 png_permit_mng_features() function:

   feature_set = png_permit_mng_features(png_ptr, mask)
-   mask is a png_uint_32 containing the logical OR of the
+   mask is a png_uint_32 containing the bitwise OR of the
        features you want to enable.  These include
        PNG_FLAG_MNG_EMPTY_PLTE
        PNG_FLAG_MNG_FILTER_64
        PNG_ALL_MNG_FEATURES
-   feature_set is a png_uint_32 that is the logical AND of
+   feature_set is a png_uint_32 that is the bitwise AND of
      your mask with the set of MNG features that is
      supported by the version of libpng that you are using.

@@ -3738,13 +3327,13 @@ application:

 .SH IX. Y2K Compliance in libpng

-June 26, 2006
+November 17, 2006

 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.

 This is your unofficial assurance that libpng from version 0.71 and
-upward through 1.2.11 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.14beta2 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
@@ -3909,6 +3498,12 @@ the first widely used release:
 1.2.11rc1-5         13    10211  12.so.0.11[.0]
 1.0.19              10    10019  10.so.0.19[.0]
 1.2.11              13    10211  12.so.0.11[.0]
+ 1.0.20              10    10020  10.so.0.20[.0]
+ 1.2.12              13    10212  12.so.0.12[.0]
+ 1.2.13beta1         13    10213  12.so.0.11[.0]
+ 1.0.21              10    10021  10.so.0.21[.0]
+ 1.2.13              13    10213  12.so.0.13[.0]
+ 1.2.14beta1-2       13    10214  12.so.0.14[.0]

 Henceforth the source version will match the shared-library minor
 and patch numbers; the shared-library major version number will be
@@ -3964,7 +3559,7 @@ possible without all of you.

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

-Libpng version 1.2.11 - June 26, 2006:
+Libpng version 1.2.14beta2 - November 17, 2006:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).

@@ -3985,7 +3580,7 @@ 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 1.2.11, June 26, 2006, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.14beta2, November 17, 2006, are
 Copyright (c) 2004-2006 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.2.5
 with the following individual added to the list of Contributing Authors
@@ -4084,7 +3679,7 @@ certification mark of the Open Source Initiative.

 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-June 26, 2006
+November 17, 2006

 .\" end of man page

--- a/libpng.txt
+++ b/libpng.txt
@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng

- libpng version 1.2.11 - June 26, 2006
+ libpng version 1.2.14beta2 - November 17, 2006
 Updated and distributed by Glenn Randers-Pehrson
 <glennrp at users.sourceforge.net>
 Copyright (c) 1998-2005 Glenn Randers-Pehrson
@@ -392,7 +392,7 @@ dithering, and setting filler.)  If this is the case, simply do this:

    png_read_png(png_ptr, info_ptr, png_transforms, NULL)

-where png_transforms is an integer containing the logical OR of
+where png_transforms is an integer containing the bitwise OR of
 some set of transformation flags.  This call is equivalent to png_read_info(),
 followed the set of transformations indicated by the transform mask,
 then png_read_image(), and finally png_read_end().
@@ -1272,7 +1272,7 @@ point to libpng-allocated storage with the following function:

    png_free_data(png_ptr, info_ptr, mask, seq)
    mask - identifies data to be freed, a mask
-           containing the logical OR of one or
+           containing the bitwise OR of one or
           more of
             PNG_FREE_PLTE, PNG_FREE_TRNS,
             PNG_FREE_HIST, PNG_FREE_ICCP,
@@ -1334,7 +1334,7 @@ application instead of by libpng, you can use

    png_set_invalid(png_ptr, info_ptr, mask);
    mask - identifies the chunks to be made invalid,
-           containing the logical OR of one or
+           containing the bitwise OR of one or
           more of
             PNG_INFO_gAMA, PNG_INFO_sBIT,
             PNG_INFO_cHRM, PNG_INFO_PLTE,
@@ -1646,7 +1646,7 @@ types.

    /* turn on or off filtering, and/or choose
       specific filters.  You can use either a single
-       PNG_FILTER_VALUE_NAME or the logical OR of one
+       PNG_FILTER_VALUE_NAME or the bitwise OR of one
       or more PNG_FILTER_NAME masks. */
    png_set_filter(png_ptr, 0,
       PNG_FILTER_NONE  | PNG_FILTER_VALUE_NONE |
@@ -2019,7 +2019,7 @@ png_set_rows() to put image data in the info structure), simply do this:

    png_write_png(png_ptr, info_ptr, png_transforms, NULL)

-where png_transforms is an integer containing the logical OR of some set of
+where png_transforms is an integer containing the bitwise OR of some set of
 transformation flags.  This call is equivalent to png_write_info(),
 followed the set of transformations indicated by the transform mask,
 then png_write_image(), and finally png_write_end().
@@ -2279,7 +2279,7 @@ point to libpng-allocated storage with the following function:

    png_free_data(png_ptr, info_ptr, mask, seq)
    mask  - identifies data to be freed, a mask
-            containing the logical OR of one or
+            containing the bitwise OR of one or
            more of
              PNG_FREE_PLTE, PNG_FREE_TRNS,
              PNG_FREE_HIST, PNG_FREE_ICCP,
@@ -2849,12 +2849,12 @@ Libpng can support some of these extensions.  To enable them, use the
 png_permit_mng_features() function:

   feature_set = png_permit_mng_features(png_ptr, mask)
-   mask is a png_uint_32 containing the logical OR of the
+   mask is a png_uint_32 containing the bitwise OR of the
        features you want to enable.  These include
        PNG_FLAG_MNG_EMPTY_PLTE
        PNG_FLAG_MNG_FILTER_64
        PNG_ALL_MNG_FEATURES
-   feature_set is a png_uint_32 that is the logical AND of
+   feature_set is a png_uint_32 that is the bitwise AND of
      your mask with the set of MNG features that is
      supported by the version of libpng that you are using.

@@ -2917,13 +2917,13 @@ application:

 IX. Y2K Compliance in libpng

-June 26, 2006
+November 17, 2006

 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.

 This is your unofficial assurance that libpng from version 0.71 and
-upward through 1.2.11 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.14beta2 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/libpngpf.3
+++ b/libpngpf.3
@@ -1,776 +1,266 @@
-.TH LIBPNGPF 3 "June 26, 2006"
+.TH LIBPNGPF 3 "November 17, 2006"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.11
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.14beta2
 (private functions)
 .SH SYNOPSIS
 \fB#include <png.h>\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_build_gamma_table (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_build_grayscale_palette (int \fP\fIbit_depth\fP\fB, png_colorp \fIpalette\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_calculate_crc (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIptr\fP\fB, png_size_t \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_check_chunk_name (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBpng_size_t png_check_keyword (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charpp \fInew_key\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fImask\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_correct_palette (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBint png_crc_error (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBint png_crc_finish (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIskip\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_crc_read (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuf\fP\fB, png_size_t \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBpng_voidp png_create_struct (int \fItype\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBpng_voidp png_create_struct_2 (int \fP\fItype\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBpng_charp png_decompress_chunk (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcomp_type\fP\fB, png_charp \fP\fIchunkdata\fP\fB, png_size_t \fP\fIchunklength\fP\fB, png_size_t \fP\fIprefix_length\fP\fB, png_size_t \fI*data_length\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_destroy_struct (png_voidp \fIstruct_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_destroy_struct_2 (png_voidp \fP\fIstruct_ptr\fP\fB, png_free_ptr \fP\fIfree_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_background (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fP\fItrans_values\fP\fB, png_color_16p \fP\fIbackground\fP\fB, png_color_16p \fP\fIbackground_1\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_bytep \fP\fIgamma_from_1\fP\fB, png_bytep \fP\fIgamma_to_1\fP\fB, png_uint_16pp \fP\fIgamma_16\fP\fB, png_uint_16pp \fP\fIgamma_16_from_1\fP\fB, png_uint_16pp \fP\fIgamma_16_to_1\fP\fB, int \fIgamma_shift\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_bgr (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_chop (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_dither (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIpalette_lookup\fP\fB, png_bytep \fIdither_lookup\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_expand (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fItrans_value\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_expand_palette (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fInum_trans\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_gamma (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_uint_16pp \fP\fIgamma_16_table\fP\fB, int \fIgamma_shift\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_gray_to_rgb (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_invert (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_pack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIbit_depth\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_packswap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_read_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, png_uint_32 \fIflags\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_read_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fP\fIpass\fP\fB, png_uint_32 \fItransformations\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_read_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_read_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBint png_do_rgb_to_gray (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_shift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIbit_depth\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_strip_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIflags\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_swap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_unpack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_unshift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIsig_bits\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_write_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fIpass\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_write_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_write_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_do_write_transformations (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid *png_far_to_near (png_structp png_ptr,png_voidp \fP\fIptr\fP\fB, int \fIcheck\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_flush (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_IEND (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_iTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_info_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_init_mmx_flags (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_init_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_process_IDAT_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_process_some_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_check_crc (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_crc_finish (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_crc_skip (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_fill_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_have_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_have_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_have_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_process_row (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_read_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_read_IDAT (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_read_sig (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_read_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_read_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_restore_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_push_save_buffer (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_read_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_read_filter_row (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIprev_row\fP\fB, int \fIfilter\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_read_finish_row (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_read_push_finish_row (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_read_start_row (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_read_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_reset_crc (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBint png_set_text_2 (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_cHRM (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_filtered_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIfiltered_row\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_find_filter (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fIrow_info\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_finish_row (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_gAMA (png_structp \fP\fIpng_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIint_file_gamma\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_uint_16p \fP\fIhist\fP\fB, int \fInum_hist\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, int \fIproflen\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_IDAT (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_IEND (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fP\fIfilter_type\fP\fB, int \fIinterlace_type\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_iTXt (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcompression\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fIlang\fP\fB, png_charp \fP\fItranslated_key\fP\fB, png_charp \fItext\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_offset\fP\fB, png_uint_32 \fP\fIy_offset\fP\fB, int \fIunit_type\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_pixels_per_unit\fP\fB, png_uint_32 \fP\fIy_pixels_per_unit\fP\fB, int \fIunit_type\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_uint_32 \fInum_pal\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fP\fIsbit\fP\fB, int \fIcolor_type\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_sCAL_s (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, png_charp \fP\fIwidth\fP\fB, png_charp \fIheight\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_sig (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_sRGB (png_structp \fP\fIpng_ptr\fP\fB, int \fIintent\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_spalette_p \fIpalette\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_start_row (png_structp \fIpng_ptr\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fItext_len\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, png_color_16p \fP\fIvalues\fP\fB, int \fP\fInumber\fP\fB, int \fIcolor_type\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_write_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fP\fItext_len\fP\fB, int \fIcompression\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP

-\fI\fB
-
-\fI\fB
-
 \fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP

 \fI\fB

-\fI\fB
-
 .SH DESCRIPTION
 The functions listed above are used privately by libpng
 and are not recommended for use by applications.  They are
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "June 26, 2006"
+.TH PNG 5 "November 17, 2006"
 .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 1.2.9 April 14, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
 * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2006 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -13,7 +13,7 @@
 #include "png.h"

 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_11 Your_png_h_is_not_version_1_2_11;
+typedef version_1_2_14beta2 Your_png_h_is_not_version_1_2_14beta2;

 /* Version information for C files.  This had better match the version
 * string defined in png.h.  */
@@ -97,6 +97,7 @@ const int FARDATA png_pass_dsp_mask[]
 void PNGAPI
 png_set_sig_bytes(png_structp png_ptr, int num_bytes)
 {
+   if(png_ptr == NULL) return;
   png_debug(1, "in png_set_sig_bytes\n");
   if (num_bytes > 8)
      png_error(png_ptr, "Too many bytes for PNG signature.");
@@ -153,13 +154,14 @@ voidpf /* private */
 png_zalloc(voidpf png_ptr, uInt items, uInt size)
 {
   png_voidp ptr;
-   png_structp p=png_ptr;
+   png_structp p=(png_structp)png_ptr;
   png_uint_32 save_flags=p->flags;
   png_uint_32 num_bytes;

+   if(png_ptr == NULL) return (NULL);
   if (items > PNG_UINT_32_MAX/size)
   {
-     png_warning (png_ptr, "Potential overflow in png_zalloc()");
+     png_warning (p, "Potential overflow in png_zalloc()");
     return (NULL);
   }
   num_bytes = (png_uint_32)items * size;
@@ -266,6 +268,7 @@ void PNGAPI
 png_destroy_info_struct(png_structp png_ptr, png_infopp info_ptr_ptr)
 {
   png_infop info_ptr = NULL;
+   if(png_ptr == NULL) return;

   png_debug(1, "in png_destroy_info_struct\n");
   if (info_ptr_ptr != NULL)
@@ -304,6 +307,8 @@ png_info_init_3(png_infopp ptr_ptr, png_size_t png_info_struct_size)
 {
   png_infop info_ptr = *ptr_ptr;

+   if(info_ptr == NULL) return;
+
   png_debug(1, "in png_info_init_3\n");

   if(png_sizeof(png_info) > png_info_struct_size)
@@ -611,6 +616,7 @@ png_info_destroy(png_structp png_ptr, png_infop info_ptr)
 png_voidp PNGAPI
 png_get_io_ptr(png_structp png_ptr)
 {
+   if(png_ptr == NULL) return (NULL);
   return (png_ptr->io_ptr);
 }

@@ -626,6 +632,7 @@ void PNGAPI
 png_init_io(png_structp png_ptr, png_FILE_p fp)
 {
   png_debug(1, "in png_init_io\n");
+   if(png_ptr == NULL) return;
   png_ptr->io_ptr = (png_voidp)fp;
 }
 #endif
@@ -641,6 +648,7 @@ png_convert_to_rfc1123(png_structp png_ptr, png_timep ptime)
        {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
         "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};

+   if(png_ptr == NULL) return (NULL);
   if (png_ptr->time_buffer == NULL)
   {
      png_ptr->time_buffer = (png_charp)png_malloc(png_ptr, (png_uint_32)(29*
@@ -693,7 +701,7 @@ png_charp PNGAPI
 png_get_copyright(png_structp png_ptr)
 {
   if (&png_ptr != NULL)  /* silence compiler warning about unused png_ptr */
-   return ((png_charp) "\n libpng version 1.2.11 - June 26, 2006\n\
+   return ((png_charp) "\n libpng version 1.2.14beta2 - November 17, 2006\n\
   Copyright (c) 1998-2006 Glenn Randers-Pehrson\n\
   Copyright (c) 1996-1997 Andreas Dilger\n\
   Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");
@@ -757,6 +765,7 @@ png_handle_as_unknown(png_structp png_ptr, png_bytep chunk_name)
 int PNGAPI
 png_reset_zstream(png_structp png_ptr)
 {
+   if (png_ptr == NULL) return Z_STREAM_ERROR;
   return (inflateReset(&png_ptr->zstream));
 }
 #endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */
@@ -778,6 +787,7 @@ png_access_version_number(void)
 void /* PRIVATE */
 png_init_mmx_flags (png_structp png_ptr)
 {
+    if(png_ptr == NULL) return;
    png_ptr->mmx_rowbytes_threshold = 0;
    png_ptr->mmx_bitdepth_threshold = 0;

--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@

 /* png.h - header file for PNG reference library
 *
- * libpng version 1.2.11 - June 26, 2006
+ * libpng version 1.2.14beta2 - November 17, 2006
 * Copyright (c) 1998-2006 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
 * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -9,7 +9,7 @@
 * Authors and maintainers:
 *  libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
 *  libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- *  libpng versions 0.97, January 1998, through 1.2.11 - June 26, 2006: Glenn
+ *  libpng versions 0.97, January 1998, through 1.2.14beta2 - November 17, 2006: Glenn
 *  See also "Contributing Authors", below.
 *
 * Note about libpng version numbers:
@@ -124,6 +124,12 @@
 *    1.2.11rc1-5             13    10211  12.so.0.11[.0]
 *    1.0.19                  10    10019  10.so.0.19[.0]
 *    1.2.11                  13    10211  12.so.0.11[.0]
+ *    1.0.20                  10    10020  10.so.0.20[.0]
+ *    1.2.12                  13    10212  12.so.0.12[.0]
+ *    1.2.13beta1             13    10213  12.so.0.11[.0]
+ *    1.0.21                  10    10021  10.so.0.21[.0]
+ *    1.2.13                  13    10213  12.so.0.13[.0]
+ *    1.2.14beta1-2           13    10214  12.so.0.11[.0]
 *
 *    Henceforth the source version will match the shared-library major
 *    and minor numbers; the shared-library major version number will be
@@ -153,7 +159,7 @@
 * If you modify libpng you may insert additional notices immediately following
 * this sentence.
 *
- * libpng versions 1.2.6, August 15, 2004, through 1.2.11, June 26, 2006, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.2.14beta2, November 17, 2006, are
 * Copyright (c) 2004, 2006 Glenn Randers-Pehrson, and are
 * distributed according to the same disclaimer and license as libpng-1.2.5
 * with the following individual added to the list of Contributing Authors:
@@ -265,13 +271,13 @@
 * Y2K compliance in libpng:
 * =========================
 *
- *    June 26, 2006
+ *    November 17, 2006
 *
 *    Since the PNG Development group is an ad-hoc body, we can't make
 *    an official declaration.
 *
 *    This is your unofficial assurance that libpng from version 0.71 and
- *    upward through 1.2.11 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.2.14beta2 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
@@ -327,9 +333,9 @@
 */

 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.2.11"
+#define PNG_LIBPNG_VER_STRING "1.2.14beta2"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.2.11 - June 26, 2006 (header)\n"
+   " libpng version 1.2.14beta2 - November 17, 2006 (header)\n"

 #define PNG_LIBPNG_VER_SONUM   0
 #define PNG_LIBPNG_VER_DLLNUM  13
@@ -337,11 +343,11 @@
 /* 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 11
+#define PNG_LIBPNG_VER_RELEASE 14
 /* 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  2

 /* Release Status */
 #define PNG_LIBPNG_BUILD_ALPHA    1
@@ -358,14 +364,14 @@
 #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.
 * Versions 0.7 through 1.0.0 were in the range 0 to 100 here (only
 * 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 10211 /* 1.2.11 */
+#define PNG_LIBPNG_VER 10214 /* 1.2.14 */

 #ifndef PNG_VERSION_INFO_ONLY
 /* include the compression library's header */
@@ -1371,7 +1377,7 @@ 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_11;
+typedef png_structp version_1_2_14beta2;

 typedef png_struct FAR * FAR * png_structpp;

--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@

 /* pngconf.h - machine configurable file for libpng
 *
- * libpng version 1.2.11 - June 26, 2006
+ * libpng version 1.2.14beta2 - November 17, 2006
 * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2005 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -726,6 +726,10 @@
 #  ifndef PNG_ASSEMBLER_CODE_SUPPORTED
 #    define PNG_ASSEMBLER_CODE_SUPPORTED
 #  endif
+#  if defined(XP_MACOSX) && !defined(PNG_NO_MMX_CODE)
+     /* work around Intel-Mac compiler bug */
+#    define PNG_NO_MMX_CODE
+#  endif
 #  if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) && \
     defined(__MMX__)
 #    define PNG_MMX_CODE_SUPPORTED
--- a/pngerror.c
+++ b/pngerror.c
@@ -1,7 +1,7 @@

 /* pngerror.c - stub functions for i/o and memory allocation
 *
- * Last changed in libpng 1.2.9 April 14, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
 * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2006 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -157,8 +157,11 @@ png_chunk_error(png_structp png_ptr, png_const_charp error_message)
   char msg[18+64];
   if (png_ptr == NULL)
     png_error(png_ptr, error_message);
-   png_format_buffer(png_ptr, msg, error_message);
-   png_error(png_ptr, msg);
+   else
+   {
+     png_format_buffer(png_ptr, msg, error_message);
+     png_error(png_ptr, msg);
+   }
 }

 void PNGAPI
@@ -167,8 +170,11 @@ png_chunk_warning(png_structp png_ptr, png_const_charp warning_message)
   char msg[18+64];
   if (png_ptr == NULL)
     png_warning(png_ptr, warning_message);
-   png_format_buffer(png_ptr, msg, warning_message);
-   png_warning(png_ptr, msg);
+   else
+   {
+     png_format_buffer(png_ptr, msg, warning_message);
+     png_warning(png_ptr, msg);
+   }
 }

 /* This is the default error handling function.  Note that replacements for
@@ -206,6 +212,8 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
 #endif

 #ifdef PNG_SETJMP_SUPPORTED
+   if (png_ptr)
+   {
 #  ifdef USE_FAR_KEYWORD
   {
      jmp_buf jmpbuf;
@@ -214,10 +222,9 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
   }
 #  else
   longjmp(png_ptr->jmpbuf, 1);
-# endif
+#  endif
+   }
 #else
-   /* make compiler happy */ ;
-   if (png_ptr)
   PNG_ABORT();
 #endif
 #ifdef PNG_NO_CONSOLE_IO
--- a/pngmem.c
+++ b/pngmem.c
@@ -1,7 +1,7 @@

 /* pngmem.c - stub functions for memory allocation
 *
- * Last changed in libpng 1.2.9 April 14, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
 * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2006 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -137,6 +137,9 @@ png_malloc_default(png_structp png_ptr, png_uint_32 size)
   png_voidp ret;
 #endif /* PNG_USER_MEM_SUPPORTED */

+   if (png_ptr == NULL || size == 0)
+      return (NULL);
+
 #ifdef PNG_MAX_MALLOC_64K
   if (size > (png_uint_32)65536L)
   {
@@ -290,6 +293,8 @@ png_free_default(png_structp png_ptr, png_voidp ptr)
 {
 #endif /* PNG_USER_MEM_SUPPORTED */

+   if(png_ptr == NULL) return;
+
   if (png_ptr->offset_table != NULL)
   {
      int i;
@@ -536,8 +541,10 @@ png_voidp PNGAPI
 png_malloc_warn(png_structp png_ptr, png_uint_32 size)
 {
   png_voidp ptr;
-   png_uint_32 save_flags=png_ptr->flags;
+   png_uint_32 save_flags;
+   if(png_ptr == NULL) return (NULL);

+   save_flags=png_ptr->flags;
   png_ptr->flags|=PNG_FLAG_MALLOC_NULL_MEM_OK;
   ptr = (png_voidp)png_malloc((png_structp)png_ptr, size);
   png_ptr->flags=save_flags;
@@ -580,9 +587,11 @@ void PNGAPI
 png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr
  malloc_fn, png_free_ptr free_fn)
 {
+   if(png_ptr != NULL) {
   png_ptr->mem_ptr = mem_ptr;
   png_ptr->malloc_fn = malloc_fn;
   png_ptr->free_fn = free_fn;
+   }
 }

 /* This function returns a pointer to the mem_ptr associated with the user
@@ -592,6 +601,7 @@ png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr
 png_voidp PNGAPI
 png_get_mem_ptr(png_structp png_ptr)
 {
+   if(png_ptr == NULL) return (NULL);
   return ((png_voidp)png_ptr->mem_ptr);
 }
 #endif /* PNG_USER_MEM_SUPPORTED */
--- a/pngpread.c
+++ b/pngpread.c
@@ -1,7 +1,7 @@

 /* pngpread.c - read a png file in push mode
 *
- * Last changed in libpng 1.2.11 - June 7, 2004
+ * Last changed in libpng 1.2.13 November 13, 2006
 * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2006 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -28,6 +28,7 @@ void PNGAPI
 png_process_data(png_structp png_ptr, png_infop info_ptr,
   png_bytep buffer, png_size_t buffer_size)
 {
+   if(png_ptr == NULL) return;
   png_push_restore_buffer(png_ptr, buffer, buffer_size);

   while (png_ptr->buffer_size)
@@ -42,6 +43,7 @@ png_process_data(png_structp png_ptr, png_infop info_ptr,
 void /* PRIVATE */
 png_process_some_data(png_structp png_ptr, png_infop info_ptr)
 {
+   if(png_ptr == NULL) return;
   switch (png_ptr->process_mode)
   {
      case PNG_READ_SIG_MODE:
@@ -561,6 +563,7 @@ png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length)
 {
   png_bytep ptr;

+   if(png_ptr == NULL) return;
   ptr = buffer;
   if (png_ptr->save_buffer_size)
   {
@@ -1550,6 +1553,7 @@ void PNGAPI
 png_progressive_combine_row (png_structp png_ptr,
   png_bytep old_row, png_bytep new_row)
 {
+   if(png_ptr == NULL) return;
 #ifdef PNG_USE_LOCAL_ARRAYS
   const int FARDATA png_pass_dsp_mask[7] =
      {0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, 0xff};
@@ -1563,6 +1567,7 @@ png_set_progressive_read_fn(png_structp png_ptr, png_voidp progressive_ptr,
   png_progressive_info_ptr info_fn, png_progressive_row_ptr row_fn,
   png_progressive_end_ptr end_fn)
 {
+   if(png_ptr == NULL) return;
   png_ptr->info_fn = info_fn;
   png_ptr->row_fn = row_fn;
   png_ptr->end_fn = end_fn;
@@ -1573,6 +1578,7 @@ png_set_progressive_read_fn(png_structp png_ptr, png_voidp progressive_ptr,
 png_voidp PNGAPI
 png_get_progressive_ptr(png_structp png_ptr)
 {
+   if(png_ptr == NULL) return (NULL);
   return png_ptr->io_ptr;
 }
 #endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
--- a/pngread.c
+++ b/pngread.c
@@ -1,7 +1,7 @@

 /* pngread.c - read a PNG file
 *
- * Last changed in libpng 1.2.11 June 7, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
 * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2006 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -188,6 +188,7 @@ png_read_init_2(png_structp png_ptr, png_const_charp user_png_ver,
   png_size_t png_struct_size, png_size_t png_info_size)
 {
   /* We only come here via pre-1.0.12-compiled applications */
+   if(png_ptr == NULL) return;
 #if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
   if(png_sizeof(png_struct) > png_struct_size ||
      png_sizeof(png_info) > png_info_size)
@@ -239,6 +240,8 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,

   png_structp png_ptr=*ptr_ptr;

+   if(png_ptr == NULL) return;
+
   do
   {
     if(user_png_ver[i] != png_libpng_ver[i])
@@ -317,6 +320,7 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
 void PNGAPI
 png_read_info(png_structp png_ptr, png_infop info_ptr)
 {
+   if(png_ptr == NULL) return;
   png_debug(1, "in png_read_info\n");
   /* If we haven't checked all of the PNG signature bytes, do so now. */
   if (png_ptr->sig_bytes < 8)
@@ -533,6 +537,7 @@ void PNGAPI
 png_read_update_info(png_structp png_ptr, png_infop info_ptr)
 {
   png_debug(1, "in png_read_update_info\n");
+   if(png_ptr == NULL) return;
   if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
      png_read_start_row(png_ptr);
   else
@@ -551,6 +556,7 @@ void PNGAPI
 png_start_read_image(png_structp png_ptr)
 {
   png_debug(1, "in png_start_read_image\n");
+   if(png_ptr == NULL) return;
   if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
      png_read_start_row(png_ptr);
 }
@@ -566,6 +572,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
   const int png_pass_mask[7] = {0x80, 0x08, 0x88, 0x22, 0xaa, 0x55, 0xff};
 #endif
   int ret;
+   if(png_ptr == NULL) return;
   png_debug2(1, "in png_read_row (row %lu, pass %d)\n",
      png_ptr->row_number, png_ptr->pass);
   if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
@@ -824,6 +831,7 @@ png_read_rows(png_structp png_ptr, png_bytepp row,
   png_bytepp dp;

   png_debug(1, "in png_read_rows\n");
+   if(png_ptr == NULL) return;
   rp = row;
   dp = display_row;
   if (rp != NULL && dp != NULL)
@@ -872,6 +880,7 @@ png_read_image(png_structp png_ptr, png_bytepp image)
   png_bytepp rp;

   png_debug(1, "in png_read_image\n");
+   if(png_ptr == NULL) return;

 #ifdef PNG_READ_INTERLACING_SUPPORTED
   pass = png_set_interlace_handling(png_ptr);
@@ -910,6 +919,7 @@ png_read_end(png_structp png_ptr, png_infop info_ptr)
   png_uint_32 length;

   png_debug(1, "in png_read_end\n");
+   if(png_ptr == NULL) return;
   png_crc_finish(png_ptr, 0); /* Finish off CRC from last IDAT chunk */

   do
@@ -1300,6 +1310,7 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr
 void PNGAPI
 png_set_read_status_fn(png_structp png_ptr, png_read_status_ptr read_row_fn)
 {
+   if(png_ptr == NULL) return;
   png_ptr->read_row_fn = read_row_fn;
 }

@@ -1313,6 +1324,7 @@ png_read_png(png_structp png_ptr, png_infop info_ptr,
 {
   int row;

+   if(png_ptr == NULL) return;
 #if defined(PNG_READ_INVERT_ALPHA_SUPPORTED)
   /* invert the alpha channel from opacity to transparency
    */
--- a/pngrio.c
+++ b/pngrio.c
@@ -1,7 +1,7 @@

 /* pngrio.c - functions for data input
 *
- * Last changed in libpng 1.2.9 April 14, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
 * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2006 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -46,6 +46,7 @@ png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
 {
   png_size_t check;

+   if(png_ptr == NULL) return;
   /* fread() returns 0 on error, so it is OK to store this in a png_size_t
    * instead of an int, which is what fread() actually returns.
    */
@@ -76,6 +77,7 @@ png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
   png_byte *n_data;
   png_FILE_p io_ptr;

+   if(png_ptr == NULL) return;
   /* Check if data really is near. If so, use usual code. */
   n_data = (png_byte *)CVT_PTR_NOCHECK(data);
   io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
@@ -136,6 +138,7 @@ void PNGAPI
 png_set_read_fn(png_structp png_ptr, png_voidp io_ptr,
   png_rw_ptr read_data_fn)
 {
+   if(png_ptr == NULL) return;
   png_ptr->io_ptr = io_ptr;

 #if !defined(PNG_NO_STDIO)
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -1,7 +1,7 @@

 /* pngrtran.c - transforms the data in a row for PNG readers
 *
- * Last changed in libpng 1.2.11 June 15, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
 * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2006 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -24,6 +24,7 @@ png_set_crc_action(png_structp png_ptr, int crit_action, int ancil_action)
 {
   png_debug(1, "in png_set_crc_action\n");
   /* Tell libpng how we react to CRC errors in critical chunks */
+   if(png_ptr == NULL) return;
   switch (crit_action)
   {
      case PNG_CRC_NO_CHANGE:                        /* leave setting as is */
@@ -80,6 +81,7 @@ png_set_background(png_structp png_ptr,
   int need_expand, double background_gamma)
 {
   png_debug(1, "in png_set_background\n");
+   if(png_ptr == NULL) return;
   if (background_gamma_code == PNG_BACKGROUND_GAMMA_UNKNOWN)
   {
      png_warning(png_ptr, "Application must supply a known background gamma");
@@ -112,6 +114,7 @@ void PNGAPI
 png_set_strip_16(png_structp png_ptr)
 {
   png_debug(1, "in png_set_strip_16\n");
+   if(png_ptr == NULL) return;
   png_ptr->transformations |= PNG_16_TO_8;
 }
 #endif
@@ -121,6 +124,7 @@ void PNGAPI
 png_set_strip_alpha(png_structp png_ptr)
 {
   png_debug(1, "in png_set_strip_alpha\n");
+   if(png_ptr == NULL) return;
   png_ptr->flags |= PNG_FLAG_STRIP_ALPHA;
 }
 #endif
@@ -150,6 +154,7 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
   int full_dither)
 {
   png_debug(1, "in png_set_dither\n");
+   if(png_ptr == NULL) return;
   png_ptr->transformations |= PNG_DITHER;

   if (!full_dither)
@@ -533,6 +538,7 @@ void PNGAPI
 png_set_gamma(png_structp png_ptr, double scrn_gamma, double file_gamma)
 {
   png_debug(1, "in png_set_gamma\n");
+   if(png_ptr == NULL) return;
   if ((fabs(scrn_gamma * file_gamma - 1.0) > PNG_GAMMA_THRESHOLD) ||
       (png_ptr->color_type & PNG_COLOR_MASK_ALPHA) ||
       (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE))
@@ -551,6 +557,7 @@ void PNGAPI
 png_set_expand(png_structp png_ptr)
 {
   png_debug(1, "in png_set_expand\n");
+   if(png_ptr == NULL) return;
   png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
 }

@@ -576,6 +583,7 @@ void PNGAPI
 png_set_palette_to_rgb(png_structp png_ptr)
 {
   png_debug(1, "in png_set_palette_to_rgb\n");
+   if(png_ptr == NULL) return;
   png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
 }

@@ -585,6 +593,7 @@ void PNGAPI
 png_set_expand_gray_1_2_4_to_8(png_structp png_ptr)
 {
   png_debug(1, "in png_set_expand_gray_1_2_4_to_8\n");
+   if(png_ptr == NULL) return;
   png_ptr->transformations |= PNG_EXPAND_tRNS;
 }
 #endif
@@ -596,6 +605,7 @@ void PNGAPI
 png_set_gray_1_2_4_to_8(png_structp png_ptr)
 {
   png_debug(1, "in png_set_gray_1_2_4_to_8\n");
+   if(png_ptr == NULL) return;
   png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
 }
 #endif
@@ -631,6 +641,7 @@ png_set_rgb_to_gray(png_structp png_ptr, int error_action, double red,
 {
      int red_fixed = (int)((float)red*100000.0 + 0.5);
      int green_fixed = (int)((float)green*100000.0 + 0.5);
+      if(png_ptr == NULL) return;
      png_set_rgb_to_gray_fixed(png_ptr, error_action, red_fixed, green_fixed);
 }
 #endif
@@ -640,6 +651,7 @@ png_set_rgb_to_gray_fixed(png_structp png_ptr, int error_action,
   png_fixed_point red, png_fixed_point green)
 {
   png_debug(1, "in png_set_rgb_to_gray\n");
+   if(png_ptr == NULL) return;
   switch(error_action)
   {
      case 1: png_ptr->transformations |= PNG_RGB_TO_GRAY;
@@ -690,6 +702,7 @@ png_set_read_user_transform_fn(png_structp png_ptr, png_user_transform_ptr
   read_user_transform_fn)
 {
   png_debug(1, "in png_set_read_user_transform_fn\n");
+   if(png_ptr == NULL) return;
 #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
   png_ptr->transformations |= PNG_USER_TRANSFORM;
   png_ptr->read_user_transform_fn = read_user_transform_fn;
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -1,7 +1,7 @@

 /* pngrutil.c - utilities to read a PNG file
 *
- * Last changed in libpng 1.2.11 June 4, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
 * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2006 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -90,6 +90,7 @@ png_get_uint_16(png_bytep buf)
 void /* PRIVATE */
 png_crc_read(png_structp png_ptr, png_bytep buf, png_size_t length)
 {
+   if(png_ptr == NULL) return;
   png_read_data(png_ptr, buf, length);
   png_calculate_crc(png_ptr, buf, length);
 }
@@ -276,7 +277,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
      if (ret != Z_STREAM_END)
      {
 #if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
-         char umsg[50];
+         char umsg[52];

         if (ret == Z_BUF_ERROR)
            sprintf(umsg,"Buffer error in compressed datastream in %s chunk",
@@ -3104,7 +3105,7 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
   if ((png_uint_32)png_ptr->rowbytes + 1 > (png_uint_32)65536L)
      png_error(png_ptr, "This image requires a row greater than 64KB");
 #endif
-   if ((png_uint_32)png_ptr->rowbytes > PNG_SIZE_MAX - 1)
+   if ((png_uint_32)png_ptr->rowbytes > (png_uint_32)(PNG_SIZE_MAX - 1))
      png_error(png_ptr, "Row has too many bytes to allocate in memory.");
   png_ptr->prev_row = (png_bytep)png_malloc(png_ptr, (png_uint_32)(
      png_ptr->rowbytes + 1));
--- a/pngset.c
+++ b/pngset.c
@@ -1,7 +1,7 @@

 /* pngset.c - storage of image information into info struct
 *
- * Last changed in libpng 1.2.9 April 14, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
 * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2006 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -976,10 +976,10 @@ png_set_sPLT(png_structp png_ptr,
        /* TODO: use png_malloc_warn */
        png_strcpy(to->name, from->name);
        to->entries = (png_sPLT_entryp)png_malloc(png_ptr,
-            from->nentries * png_sizeof(png_sPLT_t));
+            from->nentries * png_sizeof(png_sPLT_entry));
        /* TODO: use png_malloc_warn */
        png_memcpy(to->entries, from->entries,
-            from->nentries * png_sizeof(png_sPLT_t));
+            from->nentries * png_sizeof(png_sPLT_entry));
        to->nentries = from->nentries;
        to->depth = from->depth;
    }
@@ -1224,7 +1224,7 @@ png_set_asm_flags (png_structp png_ptr, png_uint_32 asm_flags)
    }

    /* we're replacing the settable bits with those passed in by the user,
-     * so first zero them out of the master copy, then logical-OR in the
+     * so first zero them out of the master copy, then bitwise-OR in the
     * allowed subset that was requested */

    png_ptr->asm_flags &= ~settable_asm_flags;               /* zero them */
@@ -1256,6 +1256,7 @@ png_set_user_limits (png_structp png_ptr, png_uint_32 user_width_max,
     * rejected by png_set_IHDR().  To accept any PNG datastream
     * regardless of dimensions, set both limits to 0x7ffffffL.
     */
+    if(png_ptr == NULL) return;
    png_ptr->user_width_max = user_width_max;
    png_ptr->user_height_max = user_height_max;
 }
--- a/pngtest.c
+++ b/pngtest.c
@@ -1549,4 +1549,4 @@ main(int argc, char *argv[])
 }

 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_11 your_png_h_is_not_version_1_2_11;
+typedef version_1_2_14beta2 your_png_h_is_not_version_1_2_14beta2;
--- a/pngtrans.c
+++ b/pngtrans.c
@@ -1,7 +1,7 @@

 /* pngtrans.c - transforms the data in a row (used by both readers and writers)
 *
- * Last changed in libpng 1.2.9 April 14, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
 * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2006 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -18,6 +18,7 @@ void PNGAPI
 png_set_bgr(png_structp png_ptr)
 {
   png_debug(1, "in png_set_bgr\n");
+   if(png_ptr == NULL) return;
   png_ptr->transformations |= PNG_BGR;
 }
 #endif
@@ -28,6 +29,7 @@ void PNGAPI
 png_set_swap(png_structp png_ptr)
 {
   png_debug(1, "in png_set_swap\n");
+   if(png_ptr == NULL) return;
   if (png_ptr->bit_depth == 16)
      png_ptr->transformations |= PNG_SWAP_BYTES;
 }
@@ -39,6 +41,7 @@ void PNGAPI
 png_set_packing(png_structp png_ptr)
 {
   png_debug(1, "in png_set_packing\n");
+   if(png_ptr == NULL) return;
   if (png_ptr->bit_depth < 8)
   {
      png_ptr->transformations |= PNG_PACK;
@@ -53,6 +56,7 @@ void PNGAPI
 png_set_packswap(png_structp png_ptr)
 {
   png_debug(1, "in png_set_packswap\n");
+   if(png_ptr == NULL) return;
   if (png_ptr->bit_depth < 8)
      png_ptr->transformations |= PNG_PACKSWAP;
 }
@@ -63,6 +67,7 @@ void PNGAPI
 png_set_shift(png_structp png_ptr, png_color_8p true_bits)
 {
   png_debug(1, "in png_set_shift\n");
+   if(png_ptr == NULL) return;
   png_ptr->transformations |= PNG_SHIFT;
   png_ptr->shift = *true_bits;
 }
@@ -74,7 +79,7 @@ int PNGAPI
 png_set_interlace_handling(png_structp png_ptr)
 {
   png_debug(1, "in png_set_interlace handling\n");
-   if (png_ptr->interlaced)
+   if (png_ptr && png_ptr->interlaced)
   {
      png_ptr->transformations |= PNG_INTERLACE;
      return (7);
@@ -94,6 +99,7 @@ void PNGAPI
 png_set_filler(png_structp png_ptr, png_uint_32 filler, int filler_loc)
 {
   png_debug(1, "in png_set_filler\n");
+   if(png_ptr == NULL) return;
   png_ptr->transformations |= PNG_FILLER;
   png_ptr->filler = (png_byte)filler;
   if (filler_loc == PNG_FILLER_AFTER)
@@ -126,6 +132,7 @@ void PNGAPI
 png_set_add_alpha(png_structp png_ptr, png_uint_32 filler, int filler_loc)
 {
   png_debug(1, "in png_set_add_alpha\n");
+   if(png_ptr == NULL) return;
   png_set_filler(png_ptr, filler, filler_loc);
   png_ptr->transformations |= PNG_ADD_ALPHA;
 }
@@ -139,6 +146,7 @@ void PNGAPI
 png_set_swap_alpha(png_structp png_ptr)
 {
   png_debug(1, "in png_set_swap_alpha\n");
+   if(png_ptr == NULL) return;
   png_ptr->transformations |= PNG_SWAP_ALPHA;
 }
 #endif
@@ -149,6 +157,7 @@ void PNGAPI
 png_set_invert_alpha(png_structp png_ptr)
 {
   png_debug(1, "in png_set_invert_alpha\n");
+   if(png_ptr == NULL) return;
   png_ptr->transformations |= PNG_INVERT_ALPHA;
 }
 #endif
@@ -158,6 +167,7 @@ void PNGAPI
 png_set_invert_mono(png_structp png_ptr)
 {
   png_debug(1, "in png_set_invert_mono\n");
+   if(png_ptr == NULL) return;
   png_ptr->transformations |= PNG_INVERT_MONO;
 }

@@ -621,6 +631,7 @@ png_set_user_transform_info(png_structp png_ptr, png_voidp
   user_transform_ptr, int user_transform_depth, int user_transform_channels)
 {
   png_debug(1, "in png_set_user_transform_info\n");
+   if(png_ptr == NULL) return;
 #if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
   png_ptr->user_transform_ptr = user_transform_ptr;
   png_ptr->user_transform_depth = (png_byte)user_transform_depth;
@@ -641,12 +652,10 @@ png_set_user_transform_info(png_structp png_ptr, png_voidp
 png_voidp PNGAPI
 png_get_user_transform_ptr(png_structp png_ptr)
 {
+   if (png_ptr == NULL) return (NULL);
 #if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
   return ((png_voidp)png_ptr->user_transform_ptr);
-#else
-   if(png_ptr)
-     return (NULL);
-   return (NULL);
 #endif
+   return (NULL);
 }
 #endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */
--- a/pngwio.c
+++ b/pngwio.c
@@ -1,7 +1,7 @@

 /* pngwio.c - functions for data output
 *
- * Last changed in libpng 1.2.3 - May 21, 2002
+ * Last changed in libpng 1.2.13 November 13, 2006
 * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2002 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -45,6 +45,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
 {
   png_uint_32 check;

+   if(png_ptr == NULL) return;
 #if defined(_WIN32_WCE)
   if ( !WriteFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) )
      check = 0;
@@ -70,6 +71,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
   png_byte *near_data;  /* Needs to be "png_byte *" instead of "png_bytep" */
   png_FILE_p io_ptr;

+   if(png_ptr == NULL) return;
   /* Check if data really is near. If so, use usual code. */
   near_data = (png_byte *)CVT_PTR_NOCHECK(data);
   io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
@@ -131,6 +133,9 @@ png_default_flush(png_structp png_ptr)
 {
 #if !defined(_WIN32_WCE)
   png_FILE_p io_ptr;
+#endif
+   if(png_ptr == NULL) return;
+#if !defined(_WIN32_WCE)
   io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr));
   if (io_ptr != NULL)
      fflush(io_ptr);
@@ -165,6 +170,7 @@ void PNGAPI
 png_set_write_fn(png_structp png_ptr, png_voidp io_ptr,
   png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn)
 {
+   if(png_ptr == NULL) return;
   png_ptr->io_ptr = io_ptr;

 #if !defined(PNG_NO_STDIO)
--- a/pngwrite.c
+++ b/pngwrite.c
@@ -1,7 +1,7 @@

 /* pngwrite.c - general routines to write a PNG file
 *
- * Last changed in libpng 1.2.9 April 14, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
 * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2006 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -576,6 +576,7 @@ png_write_init_2(png_structp png_ptr, png_const_charp user_png_ver,
   png_size_t png_struct_size, png_size_t png_info_size)
 {
   /* We only come here via pre-1.0.12-compiled applications */
+   if(png_ptr == NULL) return;
 #if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
   if(png_sizeof(png_struct) > png_struct_size ||
      png_sizeof(png_info) > png_info_size)
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -1,7 +1,7 @@

 /* pngwutil.c - utilities to write a PNG file
 *
- * Last changed in libpng 1.2.11 June 4, 2006
+ * Last changed in libpng 1.2.13 November 13, 2006
 * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2006 Glenn Randers-Pehrson
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -62,6 +62,7 @@ void PNGAPI
 png_write_chunk(png_structp png_ptr, png_bytep chunk_name,
   png_bytep data, png_size_t length)
 {
+   if(png_ptr == NULL) return;
   png_write_chunk_start(png_ptr, chunk_name, (png_uint_32)length);
   png_write_chunk_data(png_ptr, data, length);
   png_write_chunk_end(png_ptr);
@@ -77,6 +78,7 @@ png_write_chunk_start(png_structp png_ptr, png_bytep chunk_name,
 {
   png_byte buf[4];
   png_debug2(0, "Writing %s chunk (%lu bytes)\n", chunk_name, length);
+   if(png_ptr == NULL) return;

   /* write the length */
   png_save_uint_32(buf, length);
@@ -98,6 +100,7 @@ void PNGAPI
 png_write_chunk_data(png_structp png_ptr, png_bytep data, png_size_t length)
 {
   /* write the data, and run the CRC over it */
+   if(png_ptr == NULL) return;
   if (data != NULL && length > 0)
   {
      png_calculate_crc(png_ptr, data, length);
@@ -111,6 +114,8 @@ png_write_chunk_end(png_structp png_ptr)
 {
   png_byte buf[4];

+   if(png_ptr == NULL) return;
+
   /* write the crc */
   png_save_uint_32(buf, png_ptr->crc);

@@ -728,6 +733,7 @@ png_write_iCCP(png_structp png_ptr, png_charp name, int compression_type,
   png_size_t name_len;
   png_charp new_name;
   compression_state comp;
+   int embedded_profile_len = 0;

   png_debug(1, "in png_write_iCCP\n");

@@ -750,6 +756,24 @@ png_write_iCCP(png_structp png_ptr, png_charp name, int compression_type,
   if (profile == NULL)
      profile_len = 0;

+   if (profile_len > 3)
+      embedded_profile_len = ((*(profile  ))<<24) | ((*(profile+1))<<16) |
+          ((*(profile+2))<< 8) | ((*(profile+3))    );
+
+   if (profile_len < embedded_profile_len)
+     {
+        png_warning(png_ptr,
+          "Embedded profile length too large in iCCP chunk");
+        return;
+     }
+
+   if (profile_len > embedded_profile_len)
+     {
+        png_warning(png_ptr,
+          "Truncating profile to actual length in iCCP chunk");
+        profile_len = embedded_profile_len;
+     }
+
   if (profile_len)
       profile_len = png_text_compress(png_ptr, profile, (png_size_t)profile_len,
          PNG_COMPRESSION_TYPE_BASE, &comp);
--- a/scripts/libpng-config-head.in
+++ b/scripts/libpng-config-head.in
@@ -8,7 +8,7 @@

 # Modeled after libxml-config.

-version=1.2.11
+version=1.2.14beta2
 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: 1.2.11
+Version: 1.2.14beta2
 Libs: -L${libdir} -lpng12
 Cflags: -I${includedir}
--- a/scripts/makefile.32sunu
+++ b/scripts/makefile.32sunu
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.64sunu
+++ b/scripts/makefile.64sunu
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.aix
+++ b/scripts/makefile.aix
@@ -20,7 +20,7 @@ LN_SF = ln -f -s

 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 prefix=/usr/local
--- a/scripts/makefile.beos
+++ b/scripts/makefile.beos
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.cygwin
+++ b/scripts/makefile.cygwin
@@ -80,7 +80,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng12
 PNGMAJ = 0
 CYGDLL = 12
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 SHAREDLIB=cygpng$(CYGDLL).dll
--- a/scripts/makefile.darwin
+++ b/scripts/makefile.darwin
@@ -19,7 +19,7 @@ ZLIBINC=../zlib
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.dec
+++ b/scripts/makefile.dec
@@ -5,7 +5,7 @@

 # Library name:
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12

--- a/scripts/makefile.elf
+++ b/scripts/makefile.elf
@@ -12,7 +12,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.gcmmx
+++ b/scripts/makefile.gcmmx
@@ -16,7 +16,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.hp64
+++ b/scripts/makefile.hp64
@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.hpgcc
+++ b/scripts/makefile.hpgcc
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.hpux
+++ b/scripts/makefile.hpux
@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.mingw
+++ b/scripts/makefile.mingw
@@ -76,7 +76,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng12
 PNGMAJ = 0
 MINGDLL = 12
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 SHAREDLIB=libpng$(MINGDLL).dll
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng12

 LIB=	png12
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.11
+SHLIB_MINOR=	1.2.14beta2
 SRCS=	pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 		pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
 		pngwtran.c pngmem.c pngerror.c pngpread.c
--- a/scripts/makefile.netbsd
+++ b/scripts/makefile.netbsd
@@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng

 LIB=	png
 SHLIB_MAJOR=	3
-SHLIB_MINOR=	1.2.11
+SHLIB_MINOR=	1.2.14beta2
 SRCS=	pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 		pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
 		pngwtran.c pngmem.c pngerror.c pngpread.c
--- a/scripts/makefile.openbsd
+++ b/scripts/makefile.openbsd
@@ -7,7 +7,7 @@ LIBDIR=	${PREFIX}/lib
 MANDIR= ${PREFIX}/man/cat

 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.11
+SHLIB_MINOR=	1.2.14beta2

 LIB=	png
 SRCS=	png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \
--- a/scripts/makefile.sco
+++ b/scripts/makefile.sco
@@ -9,7 +9,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.sggcc
+++ b/scripts/makefile.sggcc
@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.sgi
+++ b/scripts/makefile.sgi
@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/makefile.so9
+++ b/scripts/makefile.so9
@@ -8,7 +8,7 @@

 # Library name:
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12

--- a/scripts/makefile.solaris
+++ b/scripts/makefile.solaris
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.11
+PNGMIN = 1.2.14beta2
 PNGVER = $(PNGMAJ).$(PNGMIN)

 # Shared library names:
--- a/scripts/pngos2.def
+++ b/scripts/pngos2.def
@@ -2,7 +2,7 @@
 ; PNG.LIB module definition file for OS/2
 ;----------------------------------------

-; Version 1.2.11
+; Version 1.2.14beta2

 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 1.2.11
+;Version 1.2.14beta2
  png_build_grayscale_palette  @1
  png_check_sig        @2
  png_chunk_error      @3
Author	SHA1	Message	Date
Glenn Randers-Pehrson	11a89964b9	Imported from libpng-1.2.14beta2.tar	2009-04-06 16:11:57 -05:00
Glenn Randers-Pehrson	b5bfcbae59	Imported from libpng-1.2.14beta1.tar	2009-04-06 16:11:55 -05:00
Glenn Randers-Pehrson	efe95a6953	Imported from libpng-1.2.13.tar	2009-04-06 16:11:53 -05:00
Glenn Randers-Pehrson	e88a5eca8b	Imported from libpng-1.2.13rc2.tar	2009-04-06 16:11:51 -05:00
Glenn Randers-Pehrson	2e3980e1de	Imported from libpng-1.2.13rc1.tar	2009-04-06 16:11:49 -05:00
Glenn Randers-Pehrson	0ff85c6923	Imported from libpng-1.2.13beta1.tar	2009-04-06 16:11:47 -05:00
Glenn Randers-Pehrson	e3358d1839	Imported from libpng-1.2.12.tar	2009-04-06 16:11:45 -05:00