Updated PNG to latest releases. I don't really know

if this fixes the "incompatoble lib version" bug,
   and I actually didn't find any such comment.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@17407 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/png/ANNOUNCE

@@ -1,28 +1,35 @@
 
-Libpng 1.2.4 - July 8, 2002
+Libpng 1.2.5rc3 - September 18, 2002
 
-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.
 
-Changes since the last public release (1.2.3):
+Changes since the last public release (1.2.4):
 
-  Added libpng.pc and libpng-config to "all:" target in 16 makefiles.
+version 1.2.4patch01 [July 20, 2002]
-  Fixed bug in 16 makefiles: $(DESTDIR)/$(LIBPATH) to $(DESTDIR)$(LIBPATH)
+  Revised makefile.cygwin to use DLL number 12 instead of 13.
-  Added missing "\" before closing double quote in makefile.gcmmx.
+version 1.2.5beta1 [August 6, 2002]
-  Plugged various memory leaks; added png_malloc_warn() and png_set_text_2()
+  Added code to contrib/gregbook/readpng2.c to ignore unused chunks.
-    functions.
+  Replaced toucan.png in contrib/gregbook (it has been corrupt since 1.0.11)
-  Plugged memory leak of png_ptr->current_text (Matt Holgate).
+  Removed some stray *.o files from contrib/gregbook.
-  Check for buffer overflow before reading CRC in pngpread.c (Warwick Allison)
+  Changed png_error() to png_warning() about "Too much data" in pngpread.c
-  Added -soname to the loader flags in makefile.dec, makefile.sgi, and
+    and about "Extra compressed data" in pngrutil.c.
-    makefile.sggcc.
+  Prevent png_ptr->pass from exceeding 7 in png_push_finish_row().
-  Added "test-installed" targets to makefile.linux, makefile.gcmmx,
+  Updated makefile.hggcc
-    makefile.sgi, makefile.sggcc, makefile.32sunu, makefile.64sunu,
+  Updated png.c and pnggccrd.c handling of return from png_mmx_support()
-    makefile.beos, makefile.darwin, makefile.dec, makefile.macosx, 
+version 1.2.5beta2 [August 15, 2002]
-    makefile.solaris, makefile.sco, makefile.cygwin, makefile.hpux,
+  Only issue png_warning() about "Too much data" in pngpread.c when avail_in
-    makefile.hpgcc, and makefile.so9.
+    is nonzero.
-  Plugged memory leak of row_buf in pngtest.c when there is a png_error().
+  Updated makefiles to install a separate libpng.so.3 with its own rpath.
-  Detect buffer overflow in pngpread.c when IDAT is corrupted with extra data.
+version 1.2.5rc1 and 1.0.15rc1 [August 24, 2002]
-  Revised pnggccrd.c to be able to back out version 1.0.x via PNG_1_0_X macro.
+  Revised makefiles to not remove previous minor versions of shared libraries.
-  Changed png_warning() to png_error() when width is too large to process.
+version 1.2.5rc2 and 1.0.15rc2 [September 16, 2002]
+  Revised 13 makefiles to remove "-lz" and "-L$(ZLIBLIB)", etc., from shared
+    library loader directive.
+  Added missing "$OBJSDLL" line to makefile.gcmmx.
+  Added missing "; fi" to makefile.32sunu.
+version 1.2.5rc3 and 1.0.15rc3 [September 18, 2002]
+  Revised libpng-config script.
 
 Send comments/corrections/commendations to
 png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu

src/png/CHANGES

@@ -1144,11 +1144,35 @@ version 1.2.4beta3 [June 28, 2002]
   Added "test-installed" target to makefile.32sunu, makefile.64sunu,
     makefile.beos, makefile.darwin, makefile.dec, makefile.macosx, 
     makefile.solaris, makefile.hpux, makefile.hpgcc, and makefile.so9.
-version 1.2.4rc1 [July 2, 2002]
+version 1.2.4rc1 and 1.0.14rc1 [July 2, 2002]
   Added "test-installed" target to makefile.cygwin and makefile.sco.
   Revised pnggccrd.c to be able to back out version 1.0.x via PNG_1_0_X macro.
-version 1.2.4 [July 8, 2002]
+version 1.2.4 and 1.0.14 [July 8, 2002]
   Changed png_warning() to png_error() when width is too large to process.
+version 1.2.4patch01 [July 20, 2002]
+  Revised makefile.cygwin to use DLL number 12 instead of 13.
+version 1.2.5beta1 [August 6, 2002]
+  Added code to contrib/gregbook/readpng2.c to ignore unused chunks.
+  Replaced toucan.png in contrib/gregbook (it has been corrupt since 1.0.11)
+  Removed some stray *.o files from contrib/gregbook.
+  Changed png_error() to png_warning() about "Too much data" in pngpread.c
+    and about "Extra compressed data" in pngrutil.c.
+  Prevent png_ptr->pass from exceeding 7 in png_push_finish_row().
+  Updated makefile.hpgcc
+  Updated png.c and pnggccrd.c handling of return from png_mmx_support()
+version 1.2.5beta2 [August 15, 2002]
+  Only issue png_warning() about "Too much data" in pngpread.c when avail_in
+    is nonzero.
+  Updated makefiles to install a separate libpng.so.3 with its own rpath.
+version 1.2.5rc1 and 1.0.15rc1 [August 24, 2002]
+  Revised makefiles to not remove previous minor versions of shared libraries.
+version 1.2.5rc2 and 1.0.15rc2 [September 16, 2002]
+  Revised 13 makefiles to remove "-lz" and "-L$(ZLIBLIB)", etc., from shared
+    library loader directive.
+  Added missing "$OBJSDLL" line to makefile.gcmmx.
+  Added missing "; fi" to makefile.32sunu.
+version 1.2.5rc3 and 1.0.15rc3 [September 18, 2002]
+  Revised libpng-config script.
 
 Send comments/corrections/commendations to
 png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu

src/png/INSTALL

@@ -1,5 +1,5 @@
 
-Installing libpng version 1.2.4 - July 8, 2002
+Installing libpng version 1.2.5rc3 - September 18, 2002
 
 Before installing libpng, you must first install zlib.  zlib
 can usually be found wherever you got libpng.  zlib can be
@@ -10,7 +10,7 @@ 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-1.2.4" or "lpng109" and "zlib-1.1.4"
+might be called "libpng-1.2.5rc3" or "lpng109" and "zlib-1.1.4"
 or "zlib114") so that you have directories called "zlib" and "libpng".
 
 Your directory structure should look like this:
@@ -68,8 +68,8 @@ The files that are presently available in the scripts directory
 include
 
  makefile.std      =>  Generic UNIX makefile (cc, creates static libpng.a)
- makefile.linux    =>  Linux/ELF makefile (gcc, creates libpng12.so.0.1.2.4)
+ makefile.linux    =>  Linux/ELF makefile (gcc, creates libpng12.so.0.1.2.5rc3)
- makefile.gcmmx    =>  Linux/ELF makefile (gcc, creates libpng12.so.0.1.2.4,
+ makefile.gcmmx    =>  Linux/ELF makefile (gcc, creates libpng12.so.0.1.2.5rc3,
                        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
@@ -90,10 +90,10 @@ include
  makefile.ne0bsd  =>  NetBSD/cc makefile, uses PNGGCCRD, makes libpng0.so
  makefile.openbsd  =>  OpenBSD makefile
  makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
- makefile.sggcc    =>  Silicon Graphics (gcc, creates libpng12.so.0.1.2.4)
+ makefile.sggcc    =>  Silicon Graphics (gcc, creates libpng12.so.0.1.2.5rc3)
  makefile.sunos    =>  Sun makefile
- makefile.solaris  =>  Solaris 2.X makefile (gcc, creates libpng12.so.0.1.2.4)
+ makefile.solaris  =>  Solaris 2.X makefile (gcc, creates libpng12.so.0.1.2.5rc3)
- makefile.so9      =>  Solaris 9 makefile (gcc, creates libpng12.so.0.1.2.4)
+ makefile.so9      =>  Solaris 9 makefile (gcc, creates libpng12.so.0.1.2.5rc3)
  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
@@ -158,9 +158,9 @@ in the scripts directory when you run "make", "make install", or
  mangle.in        =>  Function-decoration macros added to png.h by the
                       makefiles.
  makefile.linux   =>  Linux/ELF makefile
-                      (gcc, creates libpng12m.so.0.1.2.4)
+                      (gcc, creates libpng12m.so.0.1.2.5rc3)
  makefile.gcmmx   =>  Linux/ELF makefile (gcc, creates
-                      libpng12.so.0m.1.2.4, uses assembler code
+                      libpng12.so.0m.1.2.5rc3, uses assembler code
                       tuned for Intel MMX platform)
  makefile.sgi     =>  Silicon Graphics (cc, creates libpng12m.so)
  makefile.sggcc   =>  Silicon Graphics (gcc, creates libpng12m.so)

src/png/KNOWNBUG

@@ -1,5 +1,5 @@
 
-Known bugs in libpng version 1.2.4
+Known bugs in libpng version 1.2.5rc3
 
 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

src/png/LICENSE

@@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
 If you modify libpng you may insert additional notices immediately following
 this sentence.
 
-libpng versions 1.0.7, July 1, 2000, through 1.2.4, July 8, 2002, are
+libpng versions 1.0.7, July 1, 2000, through 1.2.5rc3, September 18, 2002, are
 Copyright (c) 2000-2002 Glenn Randers-Pehrson
 and are distributed according to the same disclaimer and license as libpng-1.0.6
 with the following individuals added to the list of Contributing Authors
@@ -99,4 +99,4 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 randeg@alum.rpi.edu
-July 8, 2002
+September 18, 2002

src/png/README

@@ -1,4 +1,4 @@
-README for libpng 1.2.4 - July 8, 2002 (shared library 12.0)
+README for libpng 1.2.5rc3 - September 18, 2002 (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.
@@ -187,9 +187,9 @@ Files in this distribution:
        descrip.mms      =>  VMS makefile for MMS or MMK
        makefile.std     =>  Generic UNIX makefile (cc, creates static libpng.a)
        makefile.linux   =>  Linux/ELF makefile
-                            (gcc, creates libpng12.so.0.1.2.4)
+                            (gcc, creates libpng12.so.0.1.2.5rc3)
        makefile.gcmmx   =>  Linux/ELF makefile (gcc, creates
-                            libpng12.so.0.1.2.4, uses assembler code
+                            libpng12.so.0.1.2.5rc3, uses assembler code
                             tuned for Intel MMX platform)
        makefile.gcc     =>  Generic makefile (gcc, creates static libpng.a)
        makefile.knr     =>  Archaic UNIX Makefile that converts files with
@@ -210,12 +210,12 @@ Files in this distribution:
        makefile.ne0bsd =>  NetBSD/cc makefile, PNGGCCRD, makes libpng0.so
        makefile.openbsd =>  OpenBSD makefile
        makefile.sgi     =>  Silicon Graphics IRIX (cc, creates static lib)
-       makefile.sggcc   =>  Silicon Graphics (gcc, creates libpng12.so.0.1.2.4)
+       makefile.sggcc   =>  Silicon Graphics (gcc, creates libpng12.so.0.1.2.5rc3)
        makefile.sunos   =>  Sun makefile
        makefile.solaris =>  Solaris 2.X makefile
-                            (gcc, creates libpng12.so.0.1.2.4)
+                            (gcc, creates libpng12.so.0.1.2.5rc3)
        makefile.so9     =>  Solaris 9 makefile
-                            (gcc, creates libpng12.so.0.1.2.4)
+                            (gcc, creates libpng12.so.0.1.2.5rc3)
        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
@@ -248,9 +248,9 @@ Files in this distribution:
        mangle.in        =>  Function-decoration macros added to png.h by the
                             makefiles.
        makefile.linux   =>  Linux/ELF makefile
-                            (gcc, creates libpng12m.so.0.1.2.4)
+                            (gcc, creates libpng12m.so.0.1.2.5rc3)
        makefile.gcmmx   =>  Linux/ELF makefile (gcc, creates
-                            libpng12.so.0m.1.2.4, uses assembler code
+                            libpng12.so.0m.1.2.5rc3, uses assembler code
                             tuned for Intel MMX platform)
        makefile.sgi     =>  Silicon Graphics (cc, creates libpng12m.so)
        makefile.sggcc   =>  Silicon Graphics (gcc, creates libpng12m.so)

src/png/Y2KINFO

@@ -1,13 +1,13 @@
    Y2K compliance in libpng:
    =========================
 
-      July 8, 2002
+      September 18, 2002
 
       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 1.2.4 are Y2K compliant.  It is my belief that earlier
+      upward through 1.2.5rc3 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

src/png/configure

@@ -1,5 +1,5 @@
 echo "
-  There is no \"configure\" script for Libpng-1.2.4.  Instead, please
+  There is no \"configure\" script for Libpng-1.2.5rc3.  Instead, please
   copy the appropriate makefile for your system from the \"scripts\"
   directory.  Read the INSTALL file for more details.
 "

src/png/example.c

@@ -282,7 +282,7 @@ void read_png(FILE *fp, unsigned int sig_read)  /* file is already open */
       /* This reduces the image to the palette supplied in the file */
       else if (png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette))
       {
-         png_uint_16p histogram;
+         png_uint_16p histogram = NULL;
 
          png_get_hIST(png_ptr, info_ptr, &histogram);
 

src/png/libpng.3

@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "July 8, 2002"
+.TH LIBPNG 3 "September 18, 2002"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.4
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.5rc3
 .SH SYNOPSIS
 \fI\fB
 
@@ -791,7 +791,7 @@ 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 1.2.4 - July 8, 2002
+ libpng version 1.2.5rc3 - September 18, 2002
  Updated and distributed by Glenn Randers-Pehrson
  <randeg@alum.rpi.edu>
  Copyright (c) 1998-2002 Glenn Randers-Pehrson
@@ -1774,7 +1774,7 @@ histogram, it may not do as good a job.
       if (png_get_valid(png_ptr, info_ptr,
          PNG_INFO_PLTE))
       {
-         png_uint_16p histogram;
+         png_uint_16p histogram = NULL;
 
          png_get_hIST(png_ptr, info_ptr,
             &histogram);
@@ -3641,13 +3641,13 @@ application:
 
 .SH IX. Y2K Compliance in libpng
 
-July 8, 2002
+September 18, 2002
 
 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 1.2.4 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.5rc3 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
@@ -3782,6 +3782,9 @@ the first widely used release:
  1.2.4rc1            13    10204  12.so.0.1.2.4rc1
  1.0.14              10    10014  10.so.0.1.0.14
  1.2.4               13    10204  12.so.0.1.2.4
+ 1.2.5beta1,2        13    10205  12.so.0.1.2.5beta1,2
+ 1.2.5rc1,3          13    10205  12.so.0.1.2.5rc1,3
+ 1.0.15rc1,3         10    10015  10.so.0.1.0.15rc1,3
 
 Henceforth the source version will match the shared-library minor
 and patch numbers; the shared-library major version number will be
@@ -3839,7 +3842,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.2.4 - July 8, 2002:
+Libpng version 1.2.5rc3 - September 18, 2002:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (randeg@alum.rpi.edu).
 
@@ -3856,7 +3859,7 @@ included in the libpng distribution, the latter shall prevail.)
 If you modify libpng you may insert additional notices immediately following
 this sentence.
 
-libpng versions 1.0.7, July 1, 2000, through 1.2.4, July 8, 2002, are
+libpng versions 1.0.7, July 1, 2000, through 1.2.5rc3, September 18, 2002, are
 Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.0.6
 with the following individuals added to the list of Contributing Authors
@@ -3948,7 +3951,7 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 randeg@alum.rpi.edu
-July 8, 2002
+September 18, 2002
 
 .\" end of man page
 

src/png/libpng.txt

@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.2.4 - July 8, 2002
+ libpng version 1.2.5rc3 - September 18, 2002
  Updated and distributed by Glenn Randers-Pehrson
  <randeg@alum.rpi.edu>
  Copyright (c) 1998-2002 Glenn Randers-Pehrson
@@ -983,7 +983,7 @@ histogram, it may not do as good a job.
       if (png_get_valid(png_ptr, info_ptr,
          PNG_INFO_PLTE))
       {
-         png_uint_16p histogram;
+         png_uint_16p histogram = NULL;
 
          png_get_hIST(png_ptr, info_ptr,
             &histogram);
@@ -2850,13 +2850,13 @@ application:
 
 IX. Y2K Compliance in libpng
 
-July 8, 2002
+September 18, 2002
 
 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 1.2.4 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.5rc3 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

src/png/libpngpf.3

@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "July 8, 2002"
+.TH LIBPNGPF 3 "September 18, 2002"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.4
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.5rc3
 (private functions)
 .SH SYNOPSIS
 \fB#include <png.h>\fP

src/png/png.5

@@ -1,4 +1,4 @@
-.TH PNG 5 "July 8, 2002"
+.TH PNG 5 "September 18, 2002"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION

src/png/png.c

@@ -1,7 +1,7 @@
 
 /* png.c - location for general purpose libpng functions
  *
- * libpng version 1.2.4 - July 8, 2002
+ * libpng version 1.2.5rc3 - September 18, 2002
  * Copyright (c) 1998-2002 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.)
@@ -13,14 +13,14 @@
 #include "png.h"
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_4 Your_png_h_is_not_version_1_2_4;
+typedef version_1_2_5rc3 Your_png_h_is_not_version_1_2_5rc3;
 
 /* Version information for C files.  This had better match the version
  * string defined in png.h.  */
 
 #ifdef PNG_USE_GLOBAL_ARRAYS
 /* png_libpng_ver was changed to a function in version 1.0.5c */
-const char png_libpng_ver[18] = "1.2.4";
+const char png_libpng_ver[18] = "1.2.5rc3";
 
 /* png_sig was changed to a function in version 1.0.5c */
 /* Place to hold the signature string for a PNG file. */
@@ -82,10 +82,6 @@ const int FARDATA png_pass_dsp_mask[]
 
 #endif
 
-#ifdef __VISAGECPP__
-const char png_libpng_ver[18] = "1.2.4";
-#endif
-
 /* Tells libpng that we have already handled the first "num_bytes" bytes
  * of the PNG file signature.  If the PNG data is embedded into another
  * stream we can set num_bytes = 8 so that libpng will not attempt to read
@@ -140,7 +136,7 @@ png_check_sig(png_bytep sig, int num)
 
 /* Function to allocate memory for zlib and clear it to 0. */
 #ifdef PNG_1_0_X
-void PNGAPI
+voidpf PNGAPI
 #else
 voidpf /* private */
 #endif
@@ -148,7 +144,7 @@ png_zalloc(voidpf png_ptr, uInt items, uInt size)
 {
    png_uint_32 num_bytes = (png_uint_32)items * size;
    png_voidp ptr;
-   png_structp p=(png_structp)png_ptr;
+   png_structp p=png_ptr;
    png_uint_32 save_flags=p->flags;
 
    p->flags|=PNG_FLAG_MALLOC_NULL_MEM_OK;
@@ -675,7 +671,7 @@ png_charp PNGAPI
 png_get_copyright(png_structp png_ptr)
 {
    if (png_ptr != NULL || png_ptr == NULL)  /* silence compiler warning */
-   return ((png_charp) "\n libpng version 1.2.4 - July 8, 2002\n\
+   return ((png_charp) "\n libpng version 1.2.5rc3 - September 18, 2002\n\
    Copyright (c) 1998-2002 Glenn Randers-Pehrson\n\
    Copyright (c) 1996-1997 Andreas Dilger\n\
    Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");
@@ -693,8 +689,8 @@ png_get_libpng_ver(png_structp png_ptr)
 {
    /* Version of *.c files used when building libpng */
    if(png_ptr != NULL) /* silence compiler warning about unused png_ptr */
-      return((png_charp) "1.2.4");
+      return((png_charp) "1.2.5rc3");
-   return((png_charp) "1.2.4");
+   return((png_charp) "1.2.5rc3");
 }
 
 png_charp PNGAPI
@@ -744,7 +740,7 @@ png_uint_32 PNGAPI
 png_access_version_number(void)
 {
    /* Version of *.c files used when building libpng */
-   return((png_uint_32) 10204L);
+   return((png_uint_32) 10205L);
 }
 
 
@@ -762,7 +758,7 @@ png_init_mmx_flags (png_structp png_ptr)
 
     png_ptr->asm_flags |= PNG_ASM_FLAG_MMX_SUPPORT_COMPILED;
 
-    if (png_mmx_support()) {
+    if (png_mmx_support() > 0) {
         png_ptr->asm_flags |= PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU
 #    ifdef PNG_HAVE_ASSEMBLER_COMBINE_ROW
                               | PNG_ASM_FLAG_MMX_READ_COMBINE_ROW

src/png/png.h

@@ -1,6 +1,6 @@
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.2.4 - July 8, 2002
+ * libpng version 1.2.5rc3 - September 18, 2002
  * Copyright (c) 1998-2002 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -8,7 +8,7 @@
  * Authors and maintainers:
  *  libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
  *  libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- *  libpng versions 0.97, January 1998, through 1.2.4 - July 8, 2002: Glenn
+ *  libpng versions 0.97, January 1998, through 1.2.5rc3 - September 18, 2002: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -93,6 +93,9 @@
  *    1.2.4rc1                13    10204  12.so.0.1.2.4rc1
  *    1.0.14                  10    10014  10.so.0.1.0.14
  *    1.2.4                   13    10204  12.so.0.1.2.4
+ *    1.2.5beta1-2            13    10205  12.so.0.1.2.5beta1-2
+ *    1.2.5rc1-3              13    10205  12.so.0.1.2.5rc1-3
+ *    1.0.15rc1-3             10    10015  10.so.0.1.0.15rc1-3
  *
  *    Henceforth the source version will match the shared-library major
  *    and minor numbers; the shared-library major version number will be
@@ -122,7 +125,7 @@
  * If you modify libpng you may insert additional notices immediately following
  * this sentence.
  *
- * libpng versions 1.0.7, July 1, 2000, through 1.2.4, July 8, 2002, are
+ * libpng versions 1.0.7, July 1, 2000, through 1.2.5rc3, September 18, 2002, are
  * Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are
  * distributed according to the same disclaimer and license as libpng-1.0.6
  * with the following individuals added to the list of Contributing Authors
@@ -227,13 +230,13 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    July 8, 2002
+ *    September 18, 2002
  *
  *    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 1.2.4 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.2.5rc3 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
@@ -289,7 +292,7 @@
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.2.4"
+#define PNG_LIBPNG_VER_STRING "1.2.5rc3"
 
 #define PNG_LIBPNG_VER_SONUM   0
 #define PNG_LIBPNG_VER_DLLNUM  %DLLNUM%
@@ -297,11 +300,11 @@
 /* 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 4
+#define PNG_LIBPNG_VER_RELEASE 5
 /* 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  3
 
 #define PNG_LIBPNG_BUILD_ALPHA    1
 #define PNG_LIBPNG_BUILD_BETA     2
@@ -309,14 +312,14 @@
 #define PNG_LIBPNG_BUILD_STABLE   4
 #define PNG_LIBPNG_BUILD_TYPEMASK 7
 #define PNG_LIBPNG_BUILD_PATCH    8 /* Can be OR'ed with STABLE only */
-#define PNG_LIBPNG_BUILD_TYPE 4
+#define PNG_LIBPNG_BUILD_TYPE 3
 
 /* 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 10204 /* 1.2.4 */
+#define PNG_LIBPNG_VER 10205 /* 1.2.5 */
 
 #ifndef PNG_VERSION_INFO_ONLY
 
@@ -1279,9 +1282,9 @@ struct png_struct_def
 
 
 /* This prevents a compiler error in png.c if png.c and png.h are both at
-   version 1.2.4
+   version 1.2.5rc3
  */
-typedef png_structp version_1_2_4;
+typedef png_structp version_1_2_5rc3;
 
 typedef png_struct FAR * FAR * png_structpp;
 
@@ -2421,7 +2424,7 @@ extern PNG_EXPORT(void,png_set_strip_error_numbers) PNGARG((png_structp
 /* Maintainer: Put new public prototypes here ^, in libpng.3, and project defs */
 
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.2.4 - July 8, 2002 (header)\n"
+   " libpng version 1.2.5rc3 - September 18, 2002 (header)\n"
 
 #ifdef PNG_READ_COMPOSITE_NODIV_SUPPORTED
 /* With these routines we avoid an integer divide, which will be slower on

src/png/pngasmrd.h

@@ -1,6 +1,6 @@
 /* pngasmrd.h - assembler version of utilities to read a PNG file
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 2002 Glenn Randers-Pehrson
  *

src/png/pngconf.h

@@ -1,6 +1,6 @@
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)
@@ -1228,7 +1228,7 @@ typedef z_stream FAR *  png_zstreamp;
 #     endif
 #  endif  /* PNG_IMPEXP */
 #else /* !(DLL || non-cygwin WINDOWS) */
-#    if (defined(__IBMC__) || defined(__IBMCPP__)) && defined(__OS2__)
+#    if (defined(__IBMC__) || defined(IBMCPP__)) && defined(__OS2__)
 #      define PNGAPI _System
 #      define PNG_IMPEXP
 #    else
@@ -1241,20 +1241,6 @@ typedef z_stream FAR *  png_zstreamp;
 #endif
 #endif
 
-#if defined(__VISAGECPP__)
-/* I don't compile with _System linkage, ever! */
-#  ifdef PNGAPI
-#    undef PNGAPI
-#  endif
-#  define PNGAPI _Optlink
-#  define PNG_IMPEXP
-#  define PNG_USE_LOCAL_ARRAYS
-#  ifdef PNG_USE_GLOBAL_ARRAYS
-#    undef PNG_USE_GLOBAL_ARRAYS
-#  endif
-extern const char png_libpng_ver[18];
-#endif
-
 #ifndef PNGAPI
 #  define PNGAPI
 #endif

src/png/pngerror.c

@@ -1,7 +1,7 @@
 
 /* pngerror.c - stub functions for i/o and memory allocation
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)

src/png/pnggccrd.c

@@ -6,7 +6,7 @@
  *     and http://www.intel.com/drg/pentiumII/appnotes/923/923.htm
  *     for Intel's performance analysis of the MMX vs. non-MMX code.
  *
- * libpng version 1.2.4 - July 8, 2002
+ * libpng version 1.2.5rc3 - September 18, 2002
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2002 Glenn Randers-Pehrson
  * Copyright (c) 1998, Intel Corporation
@@ -5075,7 +5075,9 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
 
    if (_mmx_supported == 2) {
        /* this should have happened in png_init_mmx_flags() already */
+#if !defined(PNG_1_0_X)
        png_warning(png_ptr, "asm_flags may not have been initialized");
+#endif
        png_mmx_support();
    }
 #endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
@@ -5345,13 +5347,13 @@ png_mmx_support(void)
         "pushl %%ecx          \n\t"  // save original Eflag to stack
         "popfl                \n\t"  // restore original Eflag
         "xorl %%ecx, %%eax    \n\t"  // compare new Eflag with original Eflag
-        "jz .NOT_SUPPORTED    \n\t"  // if same, CPUID instr. is not supported
+        "jz 0f                \n\t"  // if same, CPUID instr. is not supported
 
         "xorl %%eax, %%eax    \n\t"  // set eax to zero
 //      ".byte  0x0f, 0xa2    \n\t"  // CPUID instruction (two-byte opcode)
         "cpuid                \n\t"  // get the CPU identification info
         "cmpl $1, %%eax       \n\t"  // make sure eax return non-zero value
-        "jl .NOT_SUPPORTED    \n\t"  // if eax is zero, MMX is not supported
+        "jl 0f                \n\t"  // if eax is zero, MMX is not supported
 
         "xorl %%eax, %%eax    \n\t"  // set eax to zero and...
         "incl %%eax           \n\t"  // ...increment eax to 1.  This pair is
@@ -5359,14 +5361,14 @@ png_mmx_support(void)
         "cpuid                \n\t"  // get the CPU identification info again
         "andl $0x800000, %%edx \n\t" // mask out all bits but MMX bit (23)
         "cmpl $0, %%edx       \n\t"  // 0 = MMX not supported
-        "jz .NOT_SUPPORTED    \n\t"  // non-zero = yes, MMX IS supported
+        "jz 0f                \n\t"  // non-zero = yes, MMX IS supported
 
         "movl $1, %%eax       \n\t"  // set return value to 1
-        "jmp  .RETURN         \n\t"  // DONE:  have MMX support
+        "jmp  1f              \n\t"  // DONE:  have MMX support
 
-    ".NOT_SUPPORTED:          \n\t"  // target label for jump instructions
+    "0:                       \n\t"  // .NOT_SUPPORTED: target label for jump instructions
         "movl $0, %%eax       \n\t"  // set return value to 0
-    ".RETURN:          \n\t"  // target label for jump instructions
+    "1:                       \n\t"  // .RETURN: target label for jump instructions
         "movl %%eax, _mmx_supported \n\t" // save in global static variable, too
         "popl %%edx           \n\t"  // restore edx
         "popl %%ecx           \n\t"  // restore ecx

src/png/pngget.c

@@ -1,7 +1,7 @@
 
 /* pngget.c - retrieval of values from info struct
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)

src/png/pngmem.c

@@ -1,7 +1,7 @@
 
 /* pngmem.c - stub functions for memory allocation
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)

src/png/pngpread.c

@@ -1,7 +1,7 @@
 
 /* pngpread.c - read a png file in push mode
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)
@@ -668,8 +668,8 @@ png_push_read_IDAT(png_structp png_ptr)
          save_size = png_ptr->save_buffer_size;
 
       png_calculate_crc(png_ptr, png_ptr->save_buffer_ptr, save_size);
+      if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
          png_process_IDAT_data(png_ptr, png_ptr->save_buffer_ptr, save_size);
-
       png_ptr->idat_size -= save_size;
       png_ptr->buffer_size -= save_size;
       png_ptr->save_buffer_size -= save_size;
@@ -690,6 +690,7 @@ png_push_read_IDAT(png_structp png_ptr)
          save_size = png_ptr->current_buffer_size;
 
       png_calculate_crc(png_ptr, png_ptr->current_buffer_ptr, save_size);
+      if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
         png_process_IDAT_data(png_ptr, png_ptr->current_buffer_ptr, save_size);
 
       png_ptr->idat_size -= save_size;
@@ -707,6 +708,7 @@ png_push_read_IDAT(png_structp png_ptr)
 
       png_crc_finish(png_ptr, 0);
       png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER;
+      png_ptr->mode |= PNG_AFTER_IDAT;
    }
 }
 
@@ -752,7 +754,12 @@ png_process_IDAT_data(png_structp png_ptr, png_bytep buffer,
              (!png_ptr->interlaced &&
 #endif
              png_ptr->row_number == png_ptr->num_rows-1))
-           png_error(png_ptr, "Too much data in IDAT chunks");
+         {
+           if (png_ptr->zstream.avail_in)
+             png_warning(png_ptr, "Too much data in IDAT chunks");
+           png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
+           break;
+         }
          png_push_process_row(png_ptr);
          png_ptr->zstream.avail_out = (uInt)png_ptr->irowbytes;
          png_ptr->zstream.next_out = png_ptr->row_buf;
@@ -987,6 +994,8 @@ png_read_push_finish_row(png_structp png_ptr)
              (png_ptr->pass == 5 && png_ptr->width < 2))
            png_ptr->pass++;
 
+         if (png_ptr->pass > 7)
+            png_ptr->pass--;
          if (png_ptr->pass >= 7)
             break;
 

src/png/pngread.c

@@ -1,7 +1,7 @@
 
 /* pngread.c - read a PNG file
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)
@@ -789,7 +789,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
  * not called png_set_interlace_handling(), the display_row buffer will
  * be ignored, so pass NULL to it.
  *
- * [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.4
+ * [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.5rc3
  */
 
 void PNGAPI
@@ -837,7 +837,7 @@ png_read_rows(png_structp png_ptr, png_bytepp row,
  * only call this function once.  If you desire to have an image for
  * each pass of a interlaced image, use png_read_rows() instead.
  *
- * [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.4
+ * [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.5rc3
  */
 void PNGAPI
 png_read_image(png_structp png_ptr, png_bytepp image)

src/png/pngrio.c

@@ -1,7 +1,7 @@
 
 /* pngrio.c - functions for data input
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)

src/png/pngrtran.c

@@ -1,7 +1,7 @@
 
 /* pngrtran.c - transforms the data in a row for PNG readers
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)
@@ -16,15 +16,6 @@
 #define PNG_INTERNAL
 #include "png.h"
 
-#if defined(_MSC_VER) && !defined(__MWERKS__)
-#define __VISUALC__ _MSC_VER
-#endif
-#ifdef __VISUALC__
-#ifndef WIN32
-#pragma warning(disable:4135)
-#endif
-#endif
-
 /* Set the action on getting a CRC error for an ancillary or critical chunk. */
 void PNGAPI
 png_set_crc_action(png_structp png_ptr, int crit_action, int ancil_action)

src/png/pngrutil.c

@@ -1,7 +1,7 @@
 
 /* pngrutil.c - utilities to read a PNG file
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)
@@ -2883,7 +2883,7 @@ png_read_finish_row(png_structp png_ptr)
          {
             if (!(png_ptr->zstream.avail_out) || png_ptr->zstream.avail_in ||
                png_ptr->idat_size)
-               png_error(png_ptr, "Extra compressed data");
+               png_warning(png_ptr, "Extra compressed data");
             png_ptr->mode |= PNG_AFTER_IDAT;
             png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
             break;
@@ -2893,14 +2893,19 @@ png_read_finish_row(png_structp png_ptr)
                       "Decompression Error");
 
          if (!(png_ptr->zstream.avail_out))
-            png_error(png_ptr, "Extra compressed data");
+         {
+            png_warning(png_ptr, "Extra compressed data.");
+            png_ptr->mode |= PNG_AFTER_IDAT;
+            png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
+            break;
+         }
 
       }
       png_ptr->zstream.avail_out = 0;
    }
 
    if (png_ptr->idat_size || png_ptr->zstream.avail_in)
-      png_error(png_ptr, "Extra compression data");
+      png_warning(png_ptr, "Extra compression data");
 
    inflateReset(&png_ptr->zstream);
 

src/png/pngset.c

@@ -1,7 +1,7 @@
 
 /* pngset.c - storage of image information into info struct
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)

src/png/pngtest.c

@@ -1,7 +1,7 @@
 
 /* pngtest.c - a simple test program to test libpng
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)
@@ -1538,4 +1538,4 @@ main(int argc, char *argv[])
 }
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_4 your_png_h_is_not_version_1_2_4;
+typedef version_1_2_5rc3 your_png_h_is_not_version_1_2_5rc3;

src/png/pngtrans.c

@@ -1,7 +1,7 @@
 
 /* pngtrans.c - transforms the data in a row (used by both readers and writers)
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)

src/png/pngvcrd.c

@@ -2,7 +2,7 @@
  *
  * For Intel x86 CPU and Microsoft Visual C++ compiler
  *
- * libpng version 1.2.4 - July 8, 2002
+ * libpng version 1.2.5rc3 - September 18, 2002
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2002 Glenn Randers-Pehrson
  * Copyright (c) 1998, Intel Corporation

src/png/pngwio.c

@@ -1,7 +1,7 @@
 
 /* pngwio.c - functions for data output
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)

src/png/pngwrite.c

@@ -1,7 +1,7 @@
 
 /* pngwrite.c - general routines to write a PNG file
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)

src/png/pngwtran.c

@@ -1,7 +1,7 @@
 
 /* pngwtran.c - transforms the data in a row for PNG writers
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)

src/png/pngwutil.c

@@ -1,7 +1,7 @@
 
 /* pngwutil.c - utilities to write a PNG file
  *
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.5rc3 - September 18, 2002
  * 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)