Imported from libpng-1.2.4beta1.tar

ANNOUNCE

 
-Libpng 1.2.3 - May 21, 2002
+Libpng 1.2.4beta1 - May 25, 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 (1.2.2):
+Changes since the last public release (1.2.3):
 
-  Changed ${PNGMAJ}.${PNGVER} bug to ${PNGVER} in makefile.sgi and makefile.sggcc
-  Fixed VER -> PNGVER typo in makefile.macosx and added install-static to install
-  Added install: target to makefile.32sunu and makefile.64sunu
-  Revised 15 makefiles to link libpng.a to libpngNN.a and the include libpng
-    subdirectory to libpngNN subdirectory without the full pathname.
-  Moved generation of libpng.pc from "install" to "all" in 15 makefiles.
-  Added install-man target to 15 makefiles (Dimitri Papadopolous-Orfanos).
-  Added $(DESTDIR) feature to 24 makefiles (Tim Mooney)
-  Fixed bug with $prefix, should be $(prefix) in makefile.hpux.
-  Updated cygwin-specific portion of pngconf.h and revised makefile.cygwin
-  Added a link from libpngNN.pc to libpng.pc in 15 makefiles.
-  Added links from include/libpngNN/*.h to include/*.h in 24 makefiles.
-  Revised makefile.darwin to make relative links without full pathname.
-  Added setjmp() at the end of png_create_*_struct_2() in case user forgets
-    to put one in their application.
-  Fixed bug in reporting number of channels in pngget.c, introduced in
-    version 1.2.2
-  Added "libpng.pc" dependency to the "install-shared" target in 15 makefiles.
-  Remove old libpng.pc and libpngNN.pc before installing new ones.
-  Revised 15 makefiles to build libpng-config and libpngNN-config from
-    libpng-config-*.in.
-  Added "Win32 DLL VB" configuration to projects/msvc/libpng.dsp
-  Changed "error" and "message" in prototypes to "error_message" and
-    "warning_message" to avoid namespace conflict.
-  Restored png_zalloc and png_zfree to nonexported form as in libpng-1.2.1.
-  Removed description of png_set_mem_fn() from documentation.
-  Revised projects/msvc/README.txt
+version 1.2.4beta1 [May 25, 2002]
+  Added libpng.pc and libpng-config to "all:" target in 16 makefiles.
+  Fixed bug in 16 makefiles: $(DESTDIR)/$(LIBPATH) to $(DESTDIR)$(LIBPATH)
+  Added missing "\" before closing double quote in makefile.gcmmx.
+  Plugged various memory leaks; added png_malloc_warn() and png_set_text_2()
+    functions.
 
 Send comments/corrections/commendations to
 png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu

CHANGES

@@ -1118,13 +1118,19 @@ version 1.2.3rc6 [May 14, 2002]
   Changed "Gz" to "Gd" in projects/msvc/libpng.dsp and zlib.dsp.
   Removed leftover libpng-config "sed" script from four makefiles.
   Revised libpng-config creating script in 16 makefiles.
-version 1.2.3 [May 21, 2002]
+version 1.2.3 [May 22, 2002]
   Revised libpng-config target in makefile.cygwin.
   Removed description of png_set_mem_fn() from documentation.
   Revised makefile.freebsd.
   Minor cosmetic changes to 15 makefiles, e.g., $(DI) = $(DESTDIR)/$(INCDIR).
   Revised projects/msvc/README.txt
   Changed -lpng to -lpngNN in LDFLAGS in several makefiles.
+version 1.2.4beta1 [May 25, 2002]
+  Added libpng.pc and libpng-config to "all:" target in 16 makefiles.
+  Fixed bug in 16 makefiles: $(DESTDIR)/$(LIBPATH) to $(DESTDIR)$(LIBPATH)
+  Added missing "\" before closing double quote in makefile.gcmmx.
+  Plugged various memory leaks; added png_malloc_warn() and png_set_text_2()
+    functions.
 
 Send comments/corrections/commendations to
 png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu

INSTALL

 
-Installing libpng version 1.2.3 - May 21, 2002
+Installing libpng version 1.2.4beta1 - May 25, 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-1.2.3" or "lpng109" and "zlib-1.1.3"
+might be called "libpng-1.2.4beta1" or "lpng109" and "zlib-1.1.3"
 or "zlib113") so that you have directories called "zlib" and "libpng".
 
 Your directory structure should look like this:
@@ -64,8 +64,8 @@ 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.0.1.2.3)
- makefile.gcmmx    =>  Linux/ELF makefile (gcc, creates libpng12.so.0.1.2.3,
+ makefile.linux    =>  Linux/ELF makefile (gcc, creates libpng12.so.0.1.2.4beta1)
+ makefile.gcmmx    =>  Linux/ELF makefile (gcc, creates libpng12.so.0.1.2.4beta1,
                        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
@@ -86,10 +86,10 @@ 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.0.1.2.3)
+ makefile.sggcc    =>  Silicon Graphics (gcc, creates libpng12.so.0.1.2.4beta1)
  makefile.sunos    =>  Sun makefile
- makefile.solaris  =>  Solaris 2.X makefile (gcc, creates libpng12.so.0.1.2.3)
- makefile.so9      =>  Solaris 9 makefile (gcc, creates libpng12.so.0.1.2.3)
+ makefile.solaris  =>  Solaris 2.X makefile (gcc, creates libpng12.so.0.1.2.4beta1)
+ makefile.so9      =>  Solaris 9 makefile (gcc, creates libpng12.so.0.1.2.4beta1)
  makefile.32sunu   =>  Sun Ultra 32-bit makefile
  makefile.64sunu   =>  Sun Ultra 64-bit makefile
  makefile.sco      =>  For SCO OSr5  ELF and Unixware 7 with Native cc

KNOWNBUG

 
-Known bugs in libpng version 1.2.3
+Known bugs in libpng version 1.2.4beta1
 
 1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when
    reading interlaced PNG files, when assembler code is enabled.

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 1.2.3, May 21, 2002, are
+libpng versions 1.0.7, July 1, 2000, through 1.2.4beta1, May 25, 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
-May 21, 2002
+May 25, 2002

README

-README for libpng 1.2.3 - May 21, 2002 (shared library 2.1)
+README for libpng 1.2.4beta1 - May 25, 2002 (shared library 2.1)
 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.0.1.2.3)
+                            (gcc, creates libpng12.so.0.1.2.4beta1)
        makefile.gcmmx   =>  Linux/ELF makefile (gcc, creates
-                            libpng12.so.0.1.2.3, uses assembler code
+                            libpng12.so.0.1.2.4beta1, 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.0.1.2.3)
+       makefile.sggcc   =>  Silicon Graphics (gcc, creates libpng12.so.0.1.2.4beta1)
        makefile.sunos   =>  Sun makefile
        makefile.solaris =>  Solaris 2.X makefile
-                            (gcc, creates libpng12.so.0.1.2.3)
+                            (gcc, creates libpng12.so.0.1.2.4beta1)
        makefile.so9     =>  Solaris 9 makefile
-                            (gcc, creates libpng12.so.0.1.2.3)
+                            (gcc, creates libpng12.so.0.1.2.4beta1)
        makefile.32sunu  =>  Sun Ultra 32-bit makefile
        makefile.64sunu  =>  Sun Ultra 64-bit makefile
        makefile.sco     =>  For SCO OSr5  ELF and Unixware 7 with Native cc

Y2KINFO

    Y2K compliance in libpng:
    =========================
 
-      May 21, 2002
+      May 25, 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 1.2.3 are Y2K compliant.  It is my belief that earlier
+      upward through 1.2.4beta1 are Y2K compliant.  It is my belief that earlier
       versions were also Y2K compliant.
 
       Libpng only has three year fields.  One is a 2-byte unsigned integer

configure

 echo "
-  There is no \"configure\" script for Libpng-1.2.3.  Instead, please
+  There is no \"configure\" script for Libpng-1.2.4beta1.  Instead, please
   copy the appropriate makefile for your system from the \"scripts\"
   directory.  Read the INSTALL file for more details.
 "

contrib/pngsuite/README

-
-pngsuite
---------
-(c) Willem van Schaik, 1999
-
-Permission to use, copy, and distribute these images for any purpose and
-without fee is hereby granted.
-
-These 15 images are part of the much larger PngSuite test-set of 
-images, available for developers of PNG supporting software. The 
-complete set, available at http:/www.schaik.com/pngsuite/, contains 
-a variety of images to test interlacing, gamma settings, ancillary
-chunks, etc.
-
-The images in this directory represent the basic PNG color-types:
-grayscale (1-16 bit deep), full color (8 or 16 bit), paletted
-(1-8 bit) and grayscale or color images with alpha channel. You
-can use them to test the proper functioning of PNG software.
-
-    filename      depth type
-    ------------ ------ --------------
-    basn0g01.png  1-bit grayscale
-    basn0g02.png  2-bit grayscale
-    basn0g04.png  4-bit grayscale
-    basn0g08.png  8-bit grayscale
-    basn0g16.png 16-bit grayscale
-    basn2c08.png  8-bit truecolor
-    basn2c16.png 16-bit truecolor
-    basn3p01.png  1-bit paletted
-    basn3p02.png  2-bit paletted
-    basn3p04.png  4-bit paletted
-    basn3p08.png  8-bit paletted
-    basn4a08.png  8-bit gray with alpha
-    basn4a16.png 16-bit gray with alpha
-    basn6a08.png  8-bit RGBA
-    basn6a16.png 16-bit RGBA
-
-Here is the correct result of typing "pngtest -m *.png" in
-this directory:
-
-Testing basn0g01.png: PASS (524 zero samples)
- Filter 0 was used 32 times
-Testing basn0g02.png: PASS (448 zero samples)
- Filter 0 was used 32 times
-Testing basn0g04.png: PASS (520 zero samples)
- Filter 0 was used 32 times
-Testing basn0g08.png: PASS (3 zero samples)
- Filter 1 was used 9 times
- Filter 4 was used 23 times
-Testing basn0g16.png: PASS (1 zero samples)
- Filter 1 was used 1 times
- Filter 2 was used 31 times
-Testing basn2c08.png: PASS (6 zero samples)
- Filter 1 was used 5 times
- Filter 4 was used 27 times
-Testing basn2c16.png: PASS (592 zero samples)
- Filter 1 was used 1 times
- Filter 4 was used 31 times
-Testing basn3p01.png: PASS (512 zero samples)
- Filter 0 was used 32 times
-Testing basn3p02.png: PASS (448 zero samples)
- Filter 0 was used 32 times
-Testing basn3p04.png: PASS (544 zero samples)
- Filter 0 was used 32 times
-Testing basn3p08.png: PASS (4 zero samples)
- Filter 0 was used 32 times
-Testing basn4a08.png: PASS (32 zero samples)
- Filter 1 was used 1 times
- Filter 4 was used 31 times
-Testing basn4a16.png: PASS (64 zero samples)
- Filter 0 was used 1 times
- Filter 1 was used 2 times
- Filter 2 was used 1 times
- Filter 4 was used 28 times
-Testing basn6a08.png: PASS (160 zero samples)
- Filter 1 was used 1 times
- Filter 4 was used 31 times
-Testing basn6a16.png: PASS (1072 zero samples)
- Filter 1 was used 4 times
- Filter 4 was used 28 times
-libpng passes test
-
-Willem van Schaik
-<willem@schaik.com>
-October 1999

libpng.3

-.TH LIBPNG 3 "May 21, 2002"
+.TH LIBPNG 3 "May 25, 2002"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.3
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.4beta1
 .SH SYNOPSIS
 \fI\fB
 
@@ -342,6 +342,10 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.2.3
 
 \fI\fB
 
+\fBpng_voidp png_malloc_warn (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
@@ -787,7 +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 1.2.3 - May 21, 2002
+ libpng version 1.2.4beta1 - May 25, 2002
  Updated and distributed by Glenn Randers-Pehrson
  <randeg@alum.rpi.edu>
  Copyright (c) 1998-2002 Glenn Randers-Pehrson
@@ -3637,13 +3641,13 @@ application:
 
 .SH IX. Y2K Compliance in libpng
 
-May 21, 2002
+May 25, 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 1.2.3 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.4beta1 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
@@ -3774,6 +3778,7 @@ the first widely used release:
  1.2.2               12    10202  12.so.0.1.2.2
  1.2.3rc1-6          12    10203  12.so.0.1.2.3rc1-6
  1.2.3               12    10203  12.so.0.1.2.3
+ 1.2.4beta1          13    10204  12.so.0.1.2.4beta1 
 
 Henceforth the source version will match the shared-library minor
 and patch numbers; the shared-library major version number will be
@@ -3831,7 +3836,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.2.3 - May 21, 2002:
+Libpng version 1.2.4beta1 - May 25, 2002:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (randeg@alum.rpi.edu).
 
@@ -3848,7 +3853,7 @@ 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 1.2.3, May 21, 2002, are
+libpng versions 1.0.7, July 1, 2000, through 1.2.4beta1, May 25, 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
@@ -3940,7 +3945,7 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 randeg@alum.rpi.edu
-May 21, 2002
+May 25, 2002
 
 .\" end of man page
 

libpng.txt

 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.2.3 - May 21, 2002
+ libpng version 1.2.4beta1 - May 25, 2002
  Updated and distributed by Glenn Randers-Pehrson
  <randeg@alum.rpi.edu>
  Copyright (c) 1998-2002 Glenn Randers-Pehrson
@@ -2850,13 +2850,13 @@ application:
 
 IX. Y2K Compliance in libpng
 
-May 21, 2002
+May 25, 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 1.2.3 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.4beta1 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

libpngpf.3

-.TH LIBPNGPF 3 "May 21, 2002"
+.TH LIBPNGPF 3 "May 25, 2002"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.3
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.4beta1
 (private functions)
 .SH SYNOPSIS
 \fB#include <png.h>\fP
@@ -411,7 +411,7 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.2.3
 
 \fI\fB
 
-\fBvoid png_write_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_color_16p \fP\fIvalues\fP\fB, int \fIcolor_type\fP\fB);\fP
+\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
 

png.5

-.TH PNG 5 "May 21, 2002"
+.TH PNG 5 "May 25, 2002"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
@@ -53,7 +53,7 @@ Thomas Boutell and others (png-list@ccrc.wustl.edu).
 The PNG-1.2 specification is copyright (c) 1999 Glenn Randers-Pehrson.
 See the specification for conditions of use and distribution.
 .LP
-The PNG-1.0 specification is copyright (c) 1996 Massachussets Institute of
+The PNG-1.0 specification is copyright (c) 1996 Massachusetts Institute of
 Technology.  See the specification for conditions of use and distribution.
 .LP
 .\" end of man page

png.c

 
 /* png.c - location for general purpose libpng functions
  *
- * libpng version 1.2.3 - May 21, 2002
+ * libpng version 1.2.4beta1 - May 25, 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_3 Your_png_h_is_not_version_1_2_3;
+typedef version_1_2_4beta1 Your_png_h_is_not_version_1_2_4beta1;
 
 /* 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] = "1.2.3";
+const char png_libpng_ver[18] = "1.2.4beta1";
 
 /* png_sig was changed to a function in version 1.0.5c */
 /* Place to hold the signature string for a PNG file. */
@@ -663,7 +663,7 @@ 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 1.2.3 - May 21, 2002\n\
+   return ((png_charp) "\n libpng version 1.2.4beta1 - May 25, 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");
@@ -681,8 +681,8 @@ 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) "1.2.3");
-   return((png_charp) "1.2.3");
+      return((png_charp) "1.2.4beta1");
+   return((png_charp) "1.2.4beta1");
 }
 
 png_charp PNGAPI
@@ -732,7 +732,7 @@ png_uint_32 PNGAPI
 png_access_version_number(void)
 {
    /* Version of *.c files used when building libpng */
-   return((png_uint_32) 10203L);
+   return((png_uint_32) 10204L);
 }
 
 

png.h

 /* png.h - header file for PNG reference library
  *
- * libpng version 1.2.3 - May 21, 2002
+ * libpng version 1.2.4beta1 - May 25, 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 1.2.3 - May 21, 2002: Glenn
+ *  libpng versions 0.97, January 1998, through 1.2.4beta1 - May 25, 2002: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -88,6 +88,7 @@
  *    1.2.2                   12    10202  12.so.0.1.2.2
  *    1.2.3rc1-6              12    10203  12.so.0.1.2.3rc1-6
  *    1.2.3                   12    10203  12.so.0.1.2.3
+ *    1.2.4beta1              13    10204  12.so.0.1.2.4beta1 
  *
  *    Henceforth the source version will match the shared-library major
  *    and minor numbers; the shared-library major version number will be
@@ -117,7 +118,7 @@
  * If you modify libpng you may insert additional notices immediately following
  * this sentence.
  *
- * libpng versions 1.0.7, July 1, 2000, through 1.2.3, May 21, 2002, are
+ * libpng versions 1.0.7, July 1, 2000, through 1.2.4beta1, May 25, 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
@@ -222,13 +223,13 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    May 21, 2002
+ *    May 25, 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 1.2.3 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.2.4beta1 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
@@ -284,7 +285,7 @@
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.2.3"
+#define PNG_LIBPNG_VER_STRING "1.2.4beta1"
 
 #define PNG_LIBPNG_VER_SONUM   0
 #define PNG_LIBPNG_VER_DLLNUM  %DLLNUM%
@@ -292,11 +293,11 @@
 /* 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 3
+#define PNG_LIBPNG_VER_RELEASE 4
 /* 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  1
 
 #define PNG_LIBPNG_BUILD_ALPHA    1
 #define PNG_LIBPNG_BUILD_BETA     2
@@ -304,14 +305,14 @@
 #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 2
 
 /* 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 10203 /* 1.2.3 */
+#define PNG_LIBPNG_VER 10204 /* 1.2.4 */
 
 #ifndef PNG_VERSION_INFO_ONLY
 
@@ -1260,13 +1261,22 @@ struct png_struct_def
 
    png_bytep big_row_buf;         /* buffer to save current (unfiltered) row */
 
+#if defined(PNG_READ_DITHER_SUPPORTED)
+/* The following three members were added at version 1.2.4 */
+   png_bytep dither_sort;            /* working sort array */
+   png_bytep index_to_palette;       /* where the original index currently is */
+                                     /* in the palette */
+   png_bytep palette_to_index;       /* which original index points to this */
+                                     /* palette color */
+#endif
+
 };
 
 
 /* This prevents a compiler error in png.c if png.c and png.h are both at
-   version 1.2.3
+   version 1.2.4beta1
  */
-typedef png_structp version_1_2_3;
+typedef png_structp version_1_2_4beta1;
 
 typedef png_struct FAR * FAR * png_structpp;
 
@@ -1815,6 +1825,10 @@ extern PNG_EXPORT(void,png_progressive_combine_row) PNGARG((png_structp png_ptr,
 extern PNG_EXPORT(png_voidp,png_malloc) PNGARG((png_structp png_ptr,
    png_uint_32 size));
 
+/* Added at libpng version 1.2.4 */
+extern PNG_EXPORT(png_voidp,png_malloc_warn) PNGARG((png_structp png_ptr,
+   png_uint_32 size));
+
 /* frees a pointer allocated by png_malloc() */
 extern PNG_EXPORT(void,png_free) PNGARG((png_structp png_ptr, png_voidp ptr));
 
@@ -2388,7 +2402,7 @@ 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 1.2.3 - May 21, 2002 (header)\n"
+   " libpng version 1.2.4beta1 - May 25, 2002 (header)\n"
 
 #ifdef PNG_READ_COMPOSITE_NODIV_SUPPORTED
 /* With these routines we avoid an integer divide, which will be slower on
@@ -2846,6 +2860,11 @@ PNG_EXTERN void png_write_iTXt PNGARG((png_structp png_ptr,
    png_charp text));
 #endif
 
+#if defined(PNG_TEXT_SUPPORTED)  /* Added at version 1.2.4 */
+PNG_EXTERN int png_set_text_2 PNGARG((png_structp png_ptr,
+   png_infop info_ptr, png_textp text_ptr, int num_text));
+#endif
+
 #if defined(PNG_WRITE_oFFs_SUPPORTED)
 PNG_EXTERN void png_write_oFFs PNGARG((png_structp png_ptr,
    png_int_32 x_offset, png_int_32 y_offset, int unit_type));

pngasmrd.h

 /* pngasmrd.h - assembler version of utilities to read a PNG file
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 2002
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 2002 Glenn Randers-Pehrson
  *

pngconf.h

 /* pngconf.h - machine configurable file for libpng
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)

pngerror.c

 
 /* pngerror.c - stub functions for i/o and memory allocation
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)

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 1.2.3 - May 21, 2002
+ * libpng version 1.2.4beta1 - May 25, 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

pngget.c

 
 /* pngget.c - retrieval of values from info struct
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)

pngmem.c

 
 /* pngmem.c - stub functions for memory allocation
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)
@@ -110,12 +110,12 @@ png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
  * result, we would be truncating potentially larger memory requests
  * (which should cause a fatal error) and introducing major problems.
  */
+
 png_voidp PNGAPI
 png_malloc(png_structp png_ptr, png_uint_32 size)
 {
-#ifndef PNG_USER_MEM_SUPPORTED
    png_voidp ret;
-#endif
+
    if (png_ptr == NULL || size == 0)
       return (NULL);
 
@@ -399,7 +399,6 @@ png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
    }
 }
 
-
 /* Allocate memory.  For reasonable files, size should never exceed
    64K.  However, zlib may allocate more then 64K if you don't tell
    it not to.  See zconf.h and png.h for more information.  zlib does
@@ -410,13 +409,14 @@ png_voidp PNGAPI
 png_malloc(png_structp png_ptr, png_uint_32 size)
 {
    png_voidp ret;
+
    if (png_ptr == NULL || size == 0)
       return (NULL);
 
 #ifdef PNG_USER_MEM_SUPPORTED
    if(png_ptr->malloc_fn != NULL)
    {
-       ret = ((png_voidp)(*(png_ptr->malloc_fn))(png_ptr, size));
+       ret = ((png_voidp)(*(png_ptr->malloc_fn))(png_ptr, (png_size_t)size));
        if (ret == NULL && (png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
           png_error(png_ptr, "Out of Memory!");
        return (ret);
@@ -424,6 +424,7 @@ png_malloc(png_structp png_ptr, png_uint_32 size)
    else
        return (png_malloc_default(png_ptr, size));
 }
+
 png_voidp PNGAPI
 png_malloc_default(png_structp png_ptr, png_uint_32 size)
 {
@@ -493,6 +494,22 @@ png_free_default(png_structp png_ptr, png_voidp ptr)
 
 #endif /* Not Borland DOS special memory handler */
 
+/* This function was added at libpng version 1.3.0.  The png_malloc_warn()
+ * function will issue a png_warning and return NULL instead of issuing a
+ * png_error, if it fails to allocate the requested memory.
+ */
+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_ptr->flags|=PNG_FLAG_MALLOC_NULL_MEM_OK;
+   ptr = (png_voidp)png_malloc((png_structp)png_ptr, size);
+   png_ptr->flags=save_flags;
+   return(ptr);
+}
+
 png_voidp PNGAPI
 png_memcpy_check (png_structp png_ptr, png_voidp s1, png_voidp s2,
    png_uint_32 length)

pngpread.c

 
 /* pngpread.c - read a png file in push mode
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)
@@ -1051,6 +1051,7 @@ png_push_read_tEXt(png_structp png_ptr, png_infop info_ptr)
       png_textp text_ptr;
       png_charp text;
       png_charp key;
+      int ret;
 
       if (png_ptr->buffer_size < 4)
       {
@@ -1083,10 +1084,13 @@ png_push_read_tEXt(png_structp png_ptr, png_infop info_ptr)
 #endif
       text_ptr->text = text;
 
-      png_set_text(png_ptr, info_ptr, text_ptr, 1);
+      ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
 
       png_free(png_ptr, key);
       png_free(png_ptr, text_ptr);
+
+      if (ret)
+        png_warning(png_ptr, "Insufficient memory to store text chunk.");
    }
 }
 #endif
@@ -1268,10 +1272,13 @@ png_push_read_zTXt(png_structp png_ptr, png_infop info_ptr)
 #endif
       text_ptr->text = text;
 
-      png_set_text(png_ptr, info_ptr, text_ptr, 1);
+      ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
 
       png_free(png_ptr, key);
       png_free(png_ptr, text_ptr);
+
+      if (ret)
+        png_warning(png_ptr, "Insufficient memory to store text chunk.");
    }
 }
 #endif
@@ -1332,6 +1339,7 @@ png_push_read_iTXt(png_structp png_ptr, png_infop info_ptr)
       png_charp lang;
       png_charp lang_key;
       png_charp text;
+      int ret;
 
       if (png_ptr->buffer_size < 4)
       {
@@ -1377,9 +1385,11 @@ png_push_read_iTXt(png_structp png_ptr, png_infop info_ptr)
       text_ptr->text_length = 0;
       text_ptr->itxt_length = png_strlen(text);
 
-      png_set_text(png_ptr, info_ptr, text_ptr, 1);
+      ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
 
       png_free(png_ptr, text_ptr);
+      if (ret)
+        png_warning(png_ptr, "Insufficient memory to store iTXt chunk.");
    }
 }
 #endif

pngread.c

 
 /* pngread.c - read a PNG file
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)
@@ -795,7 +795,7 @@ 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 1.2.3
+ * [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.4beta1
  */
 
 void PNGAPI
@@ -844,7 +844,7 @@ 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 1.2.3
+ * [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.4beta1
  */
 void PNGAPI
 png_read_image(png_structp png_ptr, png_bytepp image)

pngrio.c

 
 /* pngrio.c - functions for data input
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)

pngrtran.c

 
 /* pngrtran.c - transforms the data in a row for PNG readers
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)
@@ -167,15 +167,14 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
             Perhaps not the best solution, but good enough. */
 
          int i;
-         png_bytep sort;
 
          /* initialize an array to sort colors */
-         sort = (png_bytep)png_malloc(png_ptr, (png_uint_32)(num_palette
-            * sizeof (png_byte)));
+         png_ptr->dither_sort = (png_bytep)png_malloc(png_ptr,
+            (png_uint_32)(num_palette * sizeof (png_byte)));
 
-         /* initialize the sort array */
+         /* initialize the dither_sort array */
          for (i = 0; i < num_palette; i++)
-            sort[i] = (png_byte)i;
+            png_ptr->dither_sort[i] = (png_byte)i;
 
          /* Find the least used palette entries by starting a
             bubble sort, and running it until we have sorted
@@ -191,13 +190,14 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
             done = 1;
             for (j = 0; j < i; j++)
             {
-               if (histogram[sort[j]] < histogram[sort[j + 1]])
+               if (histogram[png_ptr->dither_sort[j]]
+                   < histogram[png_ptr->dither_sort[j + 1]])
                {
                   png_byte t;
 
-                  t = sort[j];
-                  sort[j] = sort[j + 1];
-                  sort[j + 1] = t;
+                  t = png_ptr->dither_sort[j];
+                  png_ptr->dither_sort[j] = png_ptr->dither_sort[j + 1];
+                  png_ptr->dither_sort[j + 1] = t;
                   done = 0;
                }
             }
@@ -214,11 +214,11 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
                move the others */
             for (i = 0; i < maximum_colors; i++)
             {
-               if ((int)sort[i] >= maximum_colors)
+               if ((int)png_ptr->dither_sort[i] >= maximum_colors)
                {
                   do
                      j--;
-                  while ((int)sort[j] >= maximum_colors);
+                  while ((int)png_ptr->dither_sort[j] >= maximum_colors);
                   palette[i] = palette[j];
                }
             }
@@ -232,13 +232,13 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
             for (i = 0; i < maximum_colors; i++)
             {
                /* only move the colors we need to */
-               if ((int)sort[i] >= maximum_colors)
+               if ((int)png_ptr->dither_sort[i] >= maximum_colors)
                {
                   png_color tmp_color;
 
                   do
                      j--;
-                  while ((int)sort[j] >= maximum_colors);
+                  while ((int)png_ptr->dither_sort[j] >= maximum_colors);
 
                   tmp_color = palette[j];
                   palette[j] = palette[i];
@@ -276,7 +276,8 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
                }
             }
          }
-         png_free(png_ptr, sort);
+         png_free(png_ptr, png_ptr->dither_sort);
+         png_ptr->dither_sort=NULL;
       }
       else
       {
@@ -291,23 +292,22 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
          int i;
          int max_d;
          int num_new_palette;
+         png_dsortp t;
          png_dsortpp hash;
-         png_bytep index_to_palette;
-            /* where the original index currently is in the palette */
-         png_bytep palette_to_index;
-            /* which original index points to this palette color */
+
+         t=NULL;
 
          /* initialize palette index arrays */
-         index_to_palette = (png_bytep)png_malloc(png_ptr,
+         png_ptr->index_to_palette = (png_bytep)png_malloc(png_ptr,
             (png_uint_32)(num_palette * sizeof (png_byte)));
-         palette_to_index = (png_bytep)png_malloc(png_ptr,
+         png_ptr->palette_to_index = (png_bytep)png_malloc(png_ptr,
             (png_uint_32)(num_palette * sizeof (png_byte)));
 
          /* initialize the sort array */
          for (i = 0; i < num_palette; i++)
          {
-            index_to_palette[i] = (png_byte)i;
-            palette_to_index[i] = (png_byte)i;
+            png_ptr->index_to_palette[i] = (png_byte)i;
+            png_ptr->palette_to_index[i] = (png_byte)i;
          }
 
          hash = (png_dsortpp)png_malloc(png_ptr, (png_uint_32)(769 *
@@ -342,18 +342,22 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
 
                   if (d <= max_d)
                   {
-                     png_dsortp t;
 
-                     t = (png_dsortp)png_malloc(png_ptr, (png_uint_32)(sizeof
-                         (png_dsort)));
+                     t = (png_dsortp)png_malloc_warn(png_ptr,
+                         (png_uint_32)(sizeof(png_dsort)));
+                     if (t == NULL)
+                         break;
                      t->next = hash[d];
                      t->left = (png_byte)i;
                      t->right = (png_byte)j;
                      hash[d] = t;
                   }
                }
+               if (t == NULL)
+                  break;
             }
 
+            if (t != NULL)
             for (i = 0; i <= max_d; i++)
             {
                if (hash[i] != NULL)
@@ -362,8 +366,10 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
 
                   for (p = hash[i]; p; p = p->next)
                   {
-                     if ((int)index_to_palette[p->left] < num_new_palette &&
-                        (int)index_to_palette[p->right] < num_new_palette)
+                     if ((int)png_ptr->index_to_palette[p->left]
+                        < num_new_palette &&
+                        (int)png_ptr->index_to_palette[p->right]
+                        < num_new_palette)
                      {
                         int j, next_j;
 
@@ -379,7 +385,8 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
                         }
 
                         num_new_palette--;
-                        palette[index_to_palette[j]] = palette[num_new_palette];
+                        palette[png_ptr->index_to_palette[j]]
+                          = palette[num_new_palette];
                         if (!full_dither)
                         {
                            int k;
@@ -387,23 +394,23 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
                            for (k = 0; k < num_palette; k++)
                            {
                               if (png_ptr->dither_index[k] ==
-                                 index_to_palette[j])
+                                 png_ptr->index_to_palette[j])
                                  png_ptr->dither_index[k] =
-                                    index_to_palette[next_j];
+                                    png_ptr->index_to_palette[next_j];
                               if ((int)png_ptr->dither_index[k] ==
                                  num_new_palette)
                                  png_ptr->dither_index[k] =
-                                    index_to_palette[j];
+                                    png_ptr->index_to_palette[j];
                            }
                         }
 
-                        index_to_palette[palette_to_index[num_new_palette]] =
-                           index_to_palette[j];
-                        palette_to_index[index_to_palette[j]] =
-                           palette_to_index[num_new_palette];
+                        png_ptr->index_to_palette[png_ptr->palette_to_index
+                           [num_new_palette]] = png_ptr->index_to_palette[j];
+                        png_ptr->palette_to_index[png_ptr->index_to_palette[j]]
+                           = png_ptr->palette_to_index[num_new_palette];
 
-                        index_to_palette[j] = (png_byte)num_new_palette;
-                        palette_to_index[num_new_palette] = (png_byte)j;
+                        png_ptr->index_to_palette[j] = (png_byte)num_new_palette;
+                        png_ptr->palette_to_index[num_new_palette] = (png_byte)j;
                      }
                      if (num_new_palette <= maximum_colors)
                         break;
@@ -420,8 +427,6 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
                   png_dsortp p = hash[i];
                   while (p)
                   {
-                     png_dsortp t;
-
                      t = p->next;
                      png_free(png_ptr, p);
                      p = t;
@@ -432,8 +437,10 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
             max_d += 96;
          }
          png_free(png_ptr, hash);
-         png_free(png_ptr, palette_to_index);
-         png_free(png_ptr, index_to_palette);
+         png_free(png_ptr, png_ptr->palette_to_index);
+         png_free(png_ptr, png_ptr->index_to_palette);
+         png_ptr->palette_to_index=NULL;
+         png_ptr->index_to_palette=NULL;
       }
       num_palette = maximum_colors;
    }

pngrutil.c

 
 /* pngrutil.c - utilities to read a PNG file
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)
@@ -200,7 +200,12 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
             if (text ==  NULL)
             {
                text_size = prefix_size + sizeof(msg) + 1;
-               text = (png_charp)png_malloc(png_ptr, text_size);
+               text = (png_charp)png_malloc_warn(png_ptr, text_size);
+               if (text ==  NULL)
+                 {
+                    png_free(png_ptr,chunkdata);
+                    png_error(png_ptr,"Not enough memory to decompress chunk");
+                 }
                png_memcpy(text, chunkdata, prefix_size);
             }
 
@@ -218,7 +223,12 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
             {
                text_size = prefix_size +
                    png_ptr->zbuf_size - png_ptr->zstream.avail_out;
-               text = (png_charp)png_malloc(png_ptr, text_size + 1);
+               text = (png_charp)png_malloc_warn(png_ptr, text_size + 1);
+               if (text ==  NULL)
+                 {
+                    png_free(png_ptr,chunkdata);
+                    png_error(png_ptr,"Not enough memory to decompress chunk.");
+                 }
                png_memcpy(text + prefix_size, png_ptr->zbuf,
                     text_size - prefix_size);
                png_memcpy(text, chunkdata, prefix_size);
@@ -229,8 +239,15 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
                png_charp tmp;
 
                tmp = text;
-               text = (png_charp)png_malloc(png_ptr, (png_uint_32)(text_size +
+               text = (png_charp)png_malloc_warn(png_ptr,
+                  (png_uint_32)(text_size +
                   png_ptr->zbuf_size - png_ptr->zstream.avail_out + 1));
+               if (text == NULL)
+               {
+                  png_free(png_ptr, tmp);
+                  png_free(png_ptr, chunkdata);
+                  png_error(png_ptr,"Not enough memory to decompress chunk..");
+               }
                png_memcpy(text, tmp, text_size);
                png_free(png_ptr, tmp);
                png_memcpy(text + text_size, png_ptr->zbuf,
@@ -269,7 +286,12 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
          text_size=prefix_size;
          if (text ==  NULL)
          {
-            text = (png_charp)png_malloc(png_ptr, text_size+1);
+            text = (png_charp)png_malloc_warn(png_ptr, text_size+1);
+            if (text == NULL)
+              {
+                png_free(png_ptr, chunkdata);
+                png_error(png_ptr,"Not enough memory for text.");
+              }
             png_memcpy(text, chunkdata, prefix_size);
          }
          *(text + text_size) = 0x00;
@@ -1542,7 +1564,12 @@ png_handle_pCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
 
    png_debug1(2, "Allocating and reading pCAL chunk data (%lu bytes)\n",
       length + 1);
-   purpose = (png_charp)png_malloc(png_ptr, length + 1);
+   purpose = (png_charp)png_malloc_warn(png_ptr, length + 1);
+   if (purpose == NULL)
+     {
+       png_warning(png_ptr, "No memory for pCAL purpose.");
+       return;
+     }
    slength = (png_size_t)length;
    png_crc_read(png_ptr, (png_bytep)purpose, slength);
 
@@ -1597,8 +1624,14 @@ png_handle_pCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
       /* Empty loop to move past the units string. */ ;
 
    png_debug(3, "Allocating pCAL parameters array\n");
-   params = (png_charpp)png_malloc(png_ptr, (png_uint_32)(nparams
+   params = (png_charpp)png_malloc_warn(png_ptr, (png_uint_32)(nparams
       *sizeof(png_charp))) ;
+   if (params == NULL)
+     {
+       png_free(png_ptr, purpose);
+       png_warning(png_ptr, "No memory for pCAL params.");
+       return;
+     }
 
    /* Get pointers to the start of each parameter string. */
    for (i = 0; i < (int)nparams; i++)
@@ -1662,7 +1695,12 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
 
    png_debug1(2, "Allocating and reading sCAL chunk data (%lu bytes)\n",
       length + 1);
-   buffer = (png_charp)png_malloc(png_ptr, length + 1);
+   buffer = (png_charp)png_malloc_warn(png_ptr, length + 1);
+   if (buffer == NULL)
+     {
+       png_warning(png_ptr, "Out of memory while processing sCAL chunk");
+       return;
+     }
    slength = (png_size_t)length;
    png_crc_read(png_ptr, (png_bytep)buffer, slength);
 
@@ -1685,7 +1723,12 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    }
 #else
 #ifdef PNG_FIXED_POINT_SUPPORTED
-   swidth = (png_charp)png_malloc(png_ptr, png_strlen(ep) + 1);
+   swidth = (png_charp)png_malloc_warn(png_ptr, png_strlen(ep) + 1);
+   if (swidth == NULL)
+     {
+       png_warning(png_ptr, "Out of memory while processing sCAL chunk width");
+       return;
+     }
    png_memcpy(swidth, ep, (png_size_t)png_strlen(ep));
 #endif
 #endif
@@ -1703,7 +1746,12 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    }
 #else
 #ifdef PNG_FIXED_POINT_SUPPORTED
-   sheight = (png_charp)png_malloc(png_ptr, png_strlen(ep) + 1);
+   sheight = (png_charp)png_malloc_warn(png_ptr, png_strlen(ep) + 1);
+   if (swidth == NULL)
+     {
+       png_warning(png_ptr, "Out of memory while processing sCAL chunk height");
+       return;
+     }
    png_memcpy(sheight, ep, (png_size_t)png_strlen(ep));
 #endif
 #endif
@@ -1793,6 +1841,7 @@ png_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    png_charp text;
    png_uint_32 skip = 0;
    png_size_t slength;
+   int ret;
 
    png_debug(1, "in png_handle_tEXt\n");
 
@@ -1811,7 +1860,12 @@ png_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    }
 #endif
 
-   key = (png_charp)png_malloc(png_ptr, length + 1);
+   key = (png_charp)png_malloc_warn(png_ptr, length + 1);
+   if (key == NULL)
+   {
+     png_warning(png_ptr, "No memory to process text chunk.");
+     return;
+   }
    slength = (png_size_t)length;
    png_crc_read(png_ptr, (png_bytep)key, slength);
 
@@ -1829,7 +1883,13 @@ png_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    if (text != key + slength)
       text++;
 
-   text_ptr = (png_textp)png_malloc(png_ptr, (png_uint_32)sizeof(png_text));
+   text_ptr = (png_textp)png_malloc_warn(png_ptr, (png_uint_32)sizeof(png_text));
+   if (text_ptr == NULL)
+   {
+     png_warning(png_ptr, "Not enough memory to process text chunk.");
+     png_free(png_ptr, key);
+     return;
+   }
    text_ptr->compression = PNG_TEXT_COMPRESSION_NONE;
    text_ptr->key = key;
 #ifdef PNG_iTXt_SUPPORTED
@@ -1840,10 +1900,12 @@ png_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    text_ptr->text = text;
    text_ptr->text_length = png_strlen(text);
 
-   png_set_text(png_ptr, info_ptr, text_ptr, 1);
+   ret=png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
 
    png_free(png_ptr, key);
    png_free(png_ptr, text_ptr);
+   if (ret)
+     png_warning(png_ptr, "Insufficient memory to process text chunk.");
 }
 #endif
 
@@ -1856,6 +1918,7 @@ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    png_charp chunkdata;
    png_charp text;
    int comp_type;
+   int ret;
    png_size_t slength, prefix_len, data_len;
 
    png_debug(1, "in png_handle_zTXt\n");
@@ -1876,8 +1939,13 @@ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    }
 #endif
 
-   chunkdata = (png_charp)png_malloc(png_ptr, length + 1);
-     slength = (png_size_t)length;
+   chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1);
+   if (chunkdata == NULL)
+   {
+     png_warning(png_ptr,"Out of memory processing zTXt chunk.");
+     return;
+   }
+   slength = (png_size_t)length;
    png_crc_read(png_ptr, (png_bytep)chunkdata, slength);
    if (png_crc_finish(png_ptr, 0))
    {
@@ -1911,7 +1979,13 @@ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    chunkdata = (png_charp)png_decompress_chunk(png_ptr, comp_type, chunkdata,
                                     (png_size_t)length, prefix_len, &data_len);
 
-   text_ptr = (png_textp)png_malloc(png_ptr, (png_uint_32)sizeof(png_text));
+   text_ptr = (png_textp)png_malloc_warn(png_ptr, (png_uint_32)sizeof(png_text));
+   if (text_ptr == NULL)
+   {
+     png_warning(png_ptr,"Not enough memory to process zTXt chunk.");
+     png_free(png_ptr, chunkdata);
+     return;
+   }
    text_ptr->compression = comp_type;
    text_ptr->key = chunkdata;
 #ifdef PNG_iTXt_SUPPORTED
@@ -1922,10 +1996,12 @@ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    text_ptr->text = chunkdata + prefix_len;
    text_ptr->text_length = data_len;
 
-   png_set_text(png_ptr, info_ptr, text_ptr, 1);
+   ret=png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
 
    png_free(png_ptr, text_ptr);
    png_free(png_ptr, chunkdata);
+   if (ret)
+     png_error(png_ptr, "Insufficient memory to store zTXt chunk.");
 }
 #endif
 
@@ -1939,6 +2015,7 @@ png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    png_charp key, lang, text, lang_key;
    int comp_flag;
    int comp_type = 0;
+   int ret;
    png_size_t slength, prefix_len, data_len;
 
    png_debug(1, "in png_handle_iTXt\n");
@@ -1960,7 +2037,12 @@ png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    }
 #endif
 
-   chunkdata = (png_charp)png_malloc(png_ptr, length + 1);
+   chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1);
+   if (chunkdata == NULL)
+   {
+     png_warning(png_ptr, "No memory to process iTXt chunk.");
+     return;
+   }
    slength = (png_size_t)length;
    png_crc_read(png_ptr, (png_bytep)chunkdata, slength);
    if (png_crc_finish(png_ptr, 0))
@@ -2006,7 +2088,13 @@ png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
           (size_t)length, prefix_len, &data_len);
    else
        data_len=png_strlen(chunkdata + prefix_len);
-   text_ptr = (png_textp)png_malloc(png_ptr, (png_uint_32)sizeof(png_text));
+   text_ptr = (png_textp)png_malloc_warn(png_ptr, (png_uint_32)sizeof(png_text));
+   if (text_ptr == NULL)
+   {
+     png_warning(png_ptr,"Not enough memory to process iTXt chunk.");
+     png_free(png_ptr, chunkdata);
+     return;
+   }
    text_ptr->compression = (int)comp_flag + 1;
    text_ptr->lang_key = chunkdata+(lang_key-key);
    text_ptr->lang = chunkdata+(lang-key);
@@ -2015,10 +2103,12 @@ png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    text_ptr->key = chunkdata;
    text_ptr->text = chunkdata + prefix_len;
 
-   png_set_text(png_ptr, info_ptr, text_ptr, 1);
+   ret=png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
 
    png_free(png_ptr, text_ptr);
    png_free(png_ptr, chunkdata);
+   if (ret)
+     png_error(png_ptr, "Insufficient memory to store iTXt chunk.");
 }
 #endif
 
@@ -2084,7 +2174,10 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
              if (!(png_ptr->chunk_name[0] & 0x20))
                 if(png_handle_as_unknown(png_ptr, png_ptr->chunk_name) !=
                      HANDLE_CHUNK_ALWAYS)
+                 {
+                   png_free(png_ptr, chunk.data);
                    png_chunk_error(png_ptr, "unknown critical chunk");
+                 }
              png_set_unknown_chunks(png_ptr, info_ptr, &chunk, 1);
           }
        }

pngset.c

 
 /* pngset.c - storage of image information into info struct
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)
@@ -216,8 +216,13 @@ png_set_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_16p hist)
    png_free_data(png_ptr, info_ptr, PNG_FREE_HIST, 0);
 #endif
    /* Changed from info->num_palette to 256 in version 1.2.1 */
-   png_ptr->hist = (png_uint_16p)png_malloc(png_ptr,
+   png_ptr->hist = (png_uint_16p)png_malloc_warn(png_ptr,
       (png_uint_32)(256 * sizeof (png_uint_16)));
+   if (png_ptr->hist == NULL)
+     {
+       png_warning(png_ptr, "Insufficient memory for hIST chunk data.");
+       return;
+     }
 
    for (i = 0; i < info_ptr->num_palette; i++)
        png_ptr->hist[i] = hist[i];
@@ -358,7 +363,12 @@ png_set_pCAL(png_structp png_ptr, png_infop info_ptr,
 
    length = png_strlen(purpose) + 1;
    png_debug1(3, "allocating purpose for info (%lu bytes)\n", length);
-   info_ptr->pcal_purpose = (png_charp)png_malloc(png_ptr, length);
+   info_ptr->pcal_purpose = (png_charp)png_malloc_warn(png_ptr, length);
+   if (info_ptr->pcal_purpose == NULL)
+     {
+       png_warning(png_ptr, "Insufficient memory for pCAL purpose.");
+       return;
+     }
    png_memcpy(info_ptr->pcal_purpose, purpose, (png_size_t)length);
 
    png_debug(3, "storing X0, X1, type, and nparams in info\n");
@@ -369,11 +379,21 @@ png_set_pCAL(png_structp png_ptr, png_infop info_ptr,
 
    length = png_strlen(units) + 1;
    png_debug1(3, "allocating units for info (%lu bytes)\n", length);
-   info_ptr->pcal_units = (png_charp)png_malloc(png_ptr, length);
+   info_ptr->pcal_units = (png_charp)png_malloc_warn(png_ptr, length);
+   if (info_ptr->pcal_units == NULL)
+     {
+       png_warning(png_ptr, "Insufficient memory for pCAL units.");
+       return;
+     }
    png_memcpy(info_ptr->pcal_units, units, (png_size_t)length);
 
-   info_ptr->pcal_params = (png_charpp)png_malloc(png_ptr,
+   info_ptr->pcal_params = (png_charpp)png_malloc_warn(png_ptr,
       (png_uint_32)((nparams + 1) * sizeof(png_charp)));
+   if (info_ptr->pcal_params == NULL)
+     {
+       png_warning(png_ptr, "Insufficient memory for pCAL params.");
+       return;
+     }
 
    info_ptr->pcal_params[nparams] = NULL;
 
@@ -381,7 +401,12 @@ png_set_pCAL(png_structp png_ptr, png_infop info_ptr,
    {
       length = png_strlen(params[i]) + 1;
       png_debug2(3, "allocating parameter %d for info (%lu bytes)\n", i, length);
-      info_ptr->pcal_params[i] = (png_charp)png_malloc(png_ptr, length);
+      info_ptr->pcal_params[i] = (png_charp)png_malloc_warn(png_ptr, length);
+      if (info_ptr->pcal_params[i] == NULL)
+        {
+          png_warning(png_ptr, "Insufficient memory for pCAL parameter.");
+          return;
+        }
       png_memcpy(info_ptr->pcal_params[i], params[i], (png_size_t)length);
    }
 
@@ -627,6 +652,16 @@ png_set_iCCP(png_structp png_ptr, png_infop info_ptr,
 void PNGAPI
 png_set_text(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
    int num_text)
+{
+   int ret;
+   ret=png_set_text_2(png_ptr, info_ptr, text_ptr, num_text);
+   if (ret)
+     png_error(png_ptr, "Insufficient memory to store text");
+}
+
+int /* PRIVATE */
+png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
+   int num_text)
 {
    int i;
 
@@ -634,7 +669,7 @@ png_set_text(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
       "text" : (png_const_charp)png_ptr->chunk_name));
 
    if (png_ptr == NULL || info_ptr == NULL || num_text == 0)
-      return;
+      return(0);
 
    /* Make sure we have enough space in the "text" array in info_struct
     * to hold all of the incoming text_ptr objects.
@@ -649,8 +684,13 @@ png_set_text(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
          old_max = info_ptr->max_text;
          info_ptr->max_text = info_ptr->num_text + num_text + 8;
          old_text = info_ptr->text;
-         info_ptr->text = (png_textp)png_malloc(png_ptr,
+         info_ptr->text = (png_textp)png_malloc_warn(png_ptr,
             (png_uint_32)(info_ptr->max_text * sizeof (png_text)));
+         if (info_ptr->text == NULL)
+           {
+             png_free(png_ptr, old_text);
+             return(1);
+           }
          png_memcpy(info_ptr->text, old_text, (png_size_t)(old_max *
             sizeof(png_text)));
          png_free(png_ptr, old_text);
@@ -659,8 +699,10 @@ png_set_text(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
       {
          info_ptr->max_text = num_text + 8;
          info_ptr->num_text = 0;
-         info_ptr->text = (png_textp)png_malloc(png_ptr,
+         info_ptr->text = (png_textp)png_malloc_warn(png_ptr,
             (png_uint_32)(info_ptr->max_text * sizeof (png_text)));
+         if (info_ptr->text == NULL)
+           return(1);
 #ifdef PNG_FREE_ME_SUPPORTED
          info_ptr->free_me |= PNG_FREE_TEXT;
 #endif
@@ -720,8 +762,10 @@ png_set_text(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
          textp->compression = text_ptr[i].compression;
       }
 
-      textp->key = (png_charp)png_malloc(png_ptr,
+      textp->key = (png_charp)png_malloc_warn(png_ptr,
          (png_uint_32)(key_len + text_length + lang_len + lang_key_len + 4));
+      if (textp->key == NULL)
+        return(1);
       png_debug2(2, "Allocated %lu bytes at %x in png_set_text\n",
          (png_uint_32)(key_len + lang_len + lang_key_len + text_length + 4),
          (int)textp->key);
@@ -772,6 +816,7 @@ png_set_text(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
       info_ptr->num_text++;
       png_debug1(3, "transferred text chunk %d\n", info_ptr->num_text);
    }
+   return(0);
 }
 #endif
 
@@ -839,8 +884,13 @@ png_set_sPLT(png_structp png_ptr,
     png_sPLT_tp np;
     int i;
 
-    np = (png_sPLT_tp)png_malloc(png_ptr,
+    np = (png_sPLT_tp)png_malloc_warn(png_ptr,
         (info_ptr->splt_palettes_num + nentries) * sizeof(png_sPLT_t));
+    if (np == NULL)
+    {
+      png_warning(png_ptr, "No memory for splt palettes.");
+      return;
+    }
 
     png_memcpy(np, info_ptr->splt_palettes,
            info_ptr->splt_palettes_num * sizeof(png_sPLT_t));
@@ -883,9 +933,14 @@ png_set_unknown_chunks(png_structp png_ptr,
     if (png_ptr == NULL || info_ptr == NULL || num_unknowns == 0)
         return;
 
-    np = (png_unknown_chunkp)png_malloc(png_ptr,
+    np = (png_unknown_chunkp)png_malloc_warn(png_ptr,
         (info_ptr->unknown_chunks_num + num_unknowns) *
         sizeof(png_unknown_chunk));
+    if (np == NULL)
+    {
+       png_warning(png_ptr, "Out of memory while processing unknown chunk.");
+       return;
+    }
 
     png_memcpy(np, info_ptr->unknown_chunks,
            info_ptr->unknown_chunks_num * sizeof(png_unknown_chunk));
@@ -899,11 +954,16 @@ png_set_unknown_chunks(png_structp png_ptr,
 
         png_strcpy((png_charp)to->name, (png_charp)from->name);
         to->data = (png_bytep)png_malloc(png_ptr, from->size);
-        png_memcpy(to->data, from->data, from->size);
-        to->size = from->size;
+        if (to->data == NULL)
+           png_warning(png_ptr, "Out of memory while processing unknown chunk.");
+        else
+        {
+          png_memcpy(to->data, from->data, from->size);
+          to->size = from->size;
 
-        /* note our location in the read or write sequence */
-        to->location = (png_byte)(png_ptr->mode & 0xff);
+          /* note our location in the read or write sequence */
+          to->location = (png_byte)(png_ptr->mode & 0xff);
+        }
     }
 
     info_ptr->unknown_chunks = np;

pngtest.c

 
 /* pngtest.c - a simple test program to test libpng
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)
@@ -1512,4 +1512,4 @@ main(int argc, char *argv[])
 }
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_3 your_png_h_is_not_version_1_2_3;
+typedef version_1_2_4beta1 your_png_h_is_not_version_1_2_4beta1;

pngtrans.c

 
 /* pngtrans.c - transforms the data in a row (used by both readers and writers)
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)

pngvcrd.c

@@ -2,7 +2,7 @@
  *
  * For Intel x86 CPU and Microsoft Visual C++ compiler
  *
- * libpng version 1.2.3 - May 21, 2002
+ * libpng version 1.2.4beta1 - May 25, 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

pngwio.c

 
 /* pngwio.c - functions for data output
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)

pngwrite.c

 
 /* pngwrite.c - general routines to write a PNG file
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)

pngwtran.c

 
 /* pngwtran.c - transforms the data in a row for PNG writers
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)

pngwutil.c

 
 /* pngwutil.c - utilities to write a PNG file
  *
- * libpng 1.2.3 - May 21, 2002
+ * libpng 1.2.4beta1 - May 25, 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)

projects/msvc/README.txt

 Microsoft Developer Studio Build File, Format Version 6.00 for
-libpng 1.2.3 (May 21, 2002) and zlib
+libpng 1.2.4beta1 (May 25, 2002) and zlib
 
 Copyright (C) 2000 Simon-Pierre Cadieux
 For conditions of distribution and use, see copyright notice in png.h

projects/msvc/png32ms.def

@@ -6,7 +6,7 @@ LIBRARY
 DESCRIPTION "PNG image compression library for Windows"
 
 EXPORTS
-;Version 1.2.3
+;Version 1.2.4beta1
   png_build_grayscale_palette  @1
   png_check_sig        @2
   png_chunk_error      @3
@@ -216,3 +216,5 @@ EXPORTS
 ; Added at version 1.2.2 and deleted from 1.2.3
 ; png_zalloc @195
 ; png_zfree @196
+; Added at version 1.2.4
+  png_malloc_warn @195

projects/netware.txt

 A set of project files is available for Netware.  Get
-libpng-1.2.3-project-netware.zip from a libpng distribution
+libpng-1.2.4beta1-project-netware.zip from a libpng distribution
 site such as http://libpng.sourceforge.net
 
 Put the zip file in this directory (projects) and then run
-"unzip -a libpng-1.2.3-project-netware.zip"
+"unzip -a libpng-1.2.4beta1-project-netware.zip"

projects/wince.txt

 A set of project files is available for WinCE.  Get
-libpng-1.2.3-project-wince.zip from a libpng distribution
+libpng-1.2.4beta1-project-wince.zip from a libpng distribution
 site such as http://libpng.sourceforge.net
 
 Put the zip file in this directory (projects) and then run
-"unzip -a libpng-1.2.3-project-wince.zip"
+"unzip -a libpng-1.2.4beta1-project-wince.zip"

scripts/libpng-config-head.in

@@ -8,7 +8,7 @@
 
 # Modeled after libxml-config.
 
-version=1.2.3
+version=1.2.4beta1
 prefix=""
 cppflags=""
 cflags=""

scripts/libpng.pc.in

@@ -6,6 +6,6 @@ includedir=${exec_prefix}/include
 
 Name: libpng12
 Description: Loads and saves PNG files
-Version: 1.2.3
+Version: 1.2.4beta1
 Libs: -L${libdir} -lpng12 -lz -lm
 Cflags: -I${includedir}/libpng12

scripts/makefile.32sunu

@@ -33,7 +33,7 @@ RANLIB=echo
 
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include
@@ -47,14 +47,14 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
@@ -67,7 +67,7 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
 
-all: libpng.a $(LIBNAME).so pngtest
+all: libpng.a $(LIBNAME).so pngtest libpng.pc libpng-config
 
 libpng.a: $(OBJS)
 	ar rc $@ $(OBJS)
@@ -118,12 +118,10 @@ install-headers: png.h pngconf.h
 	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
-	chmod 644 $(DI)/$(LIBNAME)/png.h \
-	$(DI)/$(LIBNAME)/pngconf.h
+	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm $(DI)/libpng
-	(cd $(DI); ln -f -s $(LIBNAME) libpng; \
-	ln -f -s $(LIBNAME)/* .)
+	(cd $(DI); ln -f -s $(LIBNAME) libpng; ln -f -s $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
@@ -134,8 +132,7 @@ install-static: install-headers libpng.a
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* $(DL)/$(LIBNAME).so
 	-@/bin/rm -f $(DL)/libpng.so
 	-@/bin/rm -f $(DL)/libpng.so.3
 	-@/bin/rm -f $(DL)/libpng.so.3.*

scripts/makefile.64sunu

@@ -33,7 +33,7 @@ RANLIB=echo
 
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include
@@ -47,14 +47,14 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
@@ -67,7 +67,7 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
 
-all: libpng.a $(LIBNAME).so pngtest
+all: libpng.a $(LIBNAME).so pngtest libpng.pc libpng-config
 
 libpng.a: $(OBJS)
 	ar rc $@ $(OBJS)
@@ -118,12 +118,10 @@ install-headers: png.h pngconf.h
 	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
-	chmod 644 $(DI)/$(LIBNAME)/png.h \
-	$(DI)/$(LIBNAME)/pngconf.h
+	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm $(DI)/libpng
-	(cd $(DI); ln -f -s $(LIBNAME) libpng; \
-	ln -f -s $(LIBNAME)/* .)
+	(cd $(DI); ln -f -s $(LIBNAME) libpng; ln -f -s $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
@@ -134,8 +132,7 @@ install-static: install-headers libpng.a
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* $(DL)/$(LIBNAME).so
 	-@/bin/rm -f $(DL)/libpng.so
 	-@/bin/rm -f $(DL)/libpng.so.3
 	-@/bin/rm -f $(DL)/libpng.so.3.*

scripts/makefile.aix

@@ -17,7 +17,7 @@ RANLIB = ranlib
 RM = rm -f
 
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 prefix=/usr/local
@@ -30,7 +30,7 @@ LIBPATH=$(prefix)/lib
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 

scripts/makefile.atari

@@ -20,7 +20,7 @@ LIBPATH=$(prefix)/lib
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 

scripts/makefile.beos

@@ -12,7 +12,7 @@ ZLIBLIB=/usr/local/lib
 ZLIBINC=/usr/local/include
 
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 ALIGN=
@@ -46,14 +46,14 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 LIBNAME=libpng12
 
@@ -65,7 +65,7 @@ OBJSDLL = $(OBJS)
 
 .SUFFIXES:      .c .o
 
-all: libpng.a $(LIBNAME).so pngtest
+all: libpng.a $(LIBNAME).so pngtest libpng.pc libpng-config
 
 libpng.a: $(OBJS)
 	ar rc $@ $(OBJS)
@@ -106,8 +106,7 @@ install-headers: png.h pngconf.h
 	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
-	chmod 644 $(DI)/$(LIBNAME)/png.h \
-	$(DI)/$(LIBNAME)/pngconf.h
+	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm -f $(DI)/libpng
 	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
@@ -121,8 +120,7 @@ install-static: install-headers libpng.a
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* $(DL)/$(LIBNAME).so
 	-@/bin/rm -f $(DL)/libpng.so
 	-@/bin/rm -f $(DL)/libpng.so.3
 	-@/bin/rm -f $(DL)/libpng.so.3.*

scripts/makefile.cygwin

@@ -26,7 +26,7 @@ endif
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 
 DESTDIR=
@@ -79,7 +79,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng12
 PNGMAJ = 0
 PNGDLL = 12
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=cygpng$(PNGDLL).dll
@@ -108,9 +108,9 @@ MAN5PATH=$(MANPATH)/man5
 # cosmetic: shortened strings:
 S =$(SRCDIR)
 D =$(DESTDIR)
-DB =$(D)/$(BINPATH)
-DI =$(D)/$(INCPATH)
-DL =$(D)/$(LIBPATH)
+DB =$(D)$(BINPATH)
+DI =$(D)$(INCPATH)
+DL =$(D)$(LIBPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
@@ -126,7 +126,7 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 %.pic.o : %.c
 	$(CC) -c $(CFLAGS) -o $@ $<
 
-all: all-static all-shared libpng.pc libpng-config
+all: all-static all-shared libpng.pc libpng-config libpng.pc libpng-config
 
 # Make this to verify that "make [...] install" will do what you want.
 buildsetup-tell:

scripts/makefile.darwin

@@ -23,7 +23,7 @@ LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz
 RANLIB=ranlib
 
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -38,14 +38,14 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
@@ -58,7 +58,7 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -fno-common -o $@ $*.c
 
-all: libpng.a $(LIBNAME).dylib pngtest
+all: libpng.a $(LIBNAME).dylib pngtest libpng.pc libpng-config
 
 libpng.a: $(OBJS)
 	ar rc $@ $(OBJS)
@@ -101,8 +101,7 @@ install-headers: png.h pngconf.h
 	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
-	chmod 644 $(DI)/$(LIBNAME)/png.h \
-	$(DI)/$(LIBNAME)/pngconf.h
+	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm -f $(DI)/libpng
 	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)

scripts/makefile.dec

@@ -16,14 +16,14 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 # Where the zlib library and include files are located
 #ZLIBLIB=/usr/local/lib
@@ -32,7 +32,7 @@ ZLIBLIB=../zlib
 ZLIBINC=../zlib
 
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -47,7 +47,7 @@ OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
 
-all: $(LIBNAME).so libpng.a pngtest
+all: $(LIBNAME).so libpng.a pngtest libpng.pc libpng-config
 
 libpng.a: $(OBJS)
 	ar rc $@  $(OBJS)
@@ -85,8 +85,7 @@ install-headers: png.h pngconf.h
 	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
-	chmod 644 $(DI)/$(LIBNAME)/png.h \
-	$(DI)/$(LIBNAME)/pngconf.h
+	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm -f $(DI)/libpng
 	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
@@ -100,8 +99,7 @@ install-static: install-headers libpng.a
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* $(DL)/$(LIBNAME).so
 	-@/bin/rm -f $(DL)/libpng.so
 	-@/bin/rm -f $(DL)/libpng.so.3
 	-@/bin/rm -f $(DL)/libpng.so.3.*

scripts/makefile.gcmmx

@@ -15,7 +15,7 @@
 
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 CC=gcc
@@ -71,14 +71,14 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
@@ -91,7 +91,7 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
 
-all: libpng.a $(LIBNAME).so pngtest pngtest-static
+all: libpng.a $(LIBNAME).so pngtest pngtest-static libpng.pc libpng-config
 
 libpng.pc:
 	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
@@ -100,7 +100,7 @@ libpng-config:
 	( cat scripts/libpng-config-head.in; \
 	echo prefix=\"$(prefix)\"; \
 	echo cppflags=\"-I$(INCPATH)/$(LIBNAME) -DPNG_THREAD_UNSAFE_OK \
-	   -DPNG_USE_PNGGCCRD"; \
+	   -DPNG_USE_PNGGCCRD\"; \
 	echo cflags=\"\"; \
 	echo ldflags=\"\"; \
 	echo libs=\"-lpng12 -lz -lm\"; \
@@ -147,8 +147,7 @@ install-headers: png.h pngconf.h
 	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
-	chmod 644 $(DI)/$(LIBNAME)/png.h \
-	$(DI)/$(LIBNAME)/pngconf.h
+	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm -f $(DI)/libpng
 	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
@@ -162,8 +161,7 @@ install-static: install-headers libpng.a
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* $(DL)/$(LIBNAME).so
 	-@/bin/rm -f $(DL)/libpng.so
 	-@/bin/rm -f $(DL)/libpng.so.3
 	-@/bin/rm -f $(DL)/libpng.so.3.*

scripts/makefile.hpgcc

@@ -33,7 +33,7 @@ RANLIB=ranlib
 #RANLIB=echo
 
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -48,14 +48,14 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
@@ -68,7 +68,7 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
 
-all: libpng.a $(LIBNAME).sl pngtest
+all: libpng.a $(LIBNAME).sl pngtest libpng.pc libpng-config
 
 libpng.a: $(OBJS)
 	ar rc $@ $(OBJS)
@@ -108,8 +108,7 @@ install-headers: png.h pngconf.h
 	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
-	chmod 644 $(DI)/$(LIBNAME)/png.h \
-	$(DI)/$(LIBNAME)/pngconf.h
+	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm -f $(DI)/libpng
 	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
@@ -123,8 +122,7 @@ install-static: install-headers libpng.a
 
 install-shared: install-headers $(LIBNAME).sl.$(PNGVER) libpng.pc
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-	-@/bin/rm -f $(DL)/$(LIBNAME).sl.$(PNGMAJ)* \
-	$(DL)/$(LIBNAME).sl
+	-@/bin/rm -f $(DL)/$(LIBNAME).sl.$(PNGMAJ)* $(DL)/$(LIBNAME).sl
 	-@/bin/rm -f $(DL)/libpng.so
 	-@/bin/rm -f $(DL)/libpng.so.3
 	-@/bin/rm -f $(DL)/libpng.so.3.*

scripts/makefile.hpux

@@ -17,7 +17,7 @@ LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
 RANLIB=ranlib
 
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -34,14 +34,14 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
@@ -54,7 +54,7 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) +z -o $@ $*.c
 
-all: libpng.a $(LIBNAME).sl pngtest
+all: libpng.a $(LIBNAME).sl pngtest libpng.pc libpng-config
 
 libpng.a: $(OBJS)
 	ar rc $@  $(OBJS)
@@ -94,8 +94,7 @@ install-headers: png.h pngconf.h
 	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
-	chmod 644 $(DI)/$(LIBNAME)/png.h \
-	$(DI)/$(LIBNAME)/pngconf.h
+	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm -f $(DI)/libpng
 	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
@@ -109,8 +108,7 @@ install-static: install-headers libpng.a
 
 install-shared: install-headers $(LIBNAME).sl.$(PNGVER) libpng.pc
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-	-@/bin/rm -f $(DL)/$(LIBNAME).sl.$(PNGMAJ)* \
-	$(DL)/$(LIBNAME).sl
+	-@/bin/rm -f $(DL)/$(LIBNAME).sl.$(PNGMAJ)* $(DL)/$(LIBNAME).sl
 	-@/bin/rm -f $(DL)/libpng.sl
 	-@/bin/rm -f $(DL)/libpng.sl.3
 	-@/bin/rm -f $(DL)/libpng.sl.3.*

scripts/makefile.knr

@@ -19,7 +19,7 @@ LIBPATH=$(prefix)/lib
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 

scripts/makefile.linux

@@ -5,7 +5,7 @@
 
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 CC=gcc
@@ -50,14 +50,14 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
@@ -70,7 +70,7 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
 
-all: libpng.a $(LIBNAME).so pngtest
+all: libpng.a $(LIBNAME).so pngtest libpng.pc libpng-config
 
 libpng.a: $(OBJS)
 	ar rc $@ $(OBJS)
@@ -120,8 +120,7 @@ install-headers: png.h pngconf.h
 	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
-	chmod 644 $(DI)/$(LIBNAME)/png.h \
-	$(DI)/$(LIBNAME)/pngconf.h
+	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm -f $(DI)/libpng
 	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
@@ -135,8 +134,7 @@ install-static: install-headers libpng.a
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* $(DL)/$(LIBNAME).so
 	-@/bin/rm -f $(DL)/libpng.so
 	-@/bin/rm -f $(DL)/libpng.so.3
 	-@/bin/rm -f $(DL)/libpng.so.3.*
@@ -148,8 +146,7 @@ install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
 	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
 	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir \
-	$(DL)/pkgconfig; fi
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
 	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
 	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
 	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc

scripts/makefile.macosx

@@ -17,7 +17,7 @@ ZLIBINC=../zlib
 CC=cc
 
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 CFLAGS=-fno-common -I$(ZLIBINC) -O # -g -DPNG_DEBUG=5
@@ -38,14 +38,14 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 #RANLIB=echo
 RANLIB=ranlib
@@ -54,7 +54,7 @@ OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
 
-all: libpng.a pngtest shared
+all: libpng.a pngtest shared libpng.pc libpng-config
 
 shared: $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX)
 
@@ -89,12 +89,10 @@ install-headers: png.h pngconf.h
 	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
-	chmod 644 $(DI)/$(LIBNAME)/png.h \
-	$(DI)/$(LIBNAME)/pngconf.h
+	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm -f $(DI)/libpng
-	(cd $(DI); ln -f -s $(LIBNAME) libpng; \
-	ln -f -s $(LIBNAME)/* .)
+	(cd $(DI); ln -f -s $(LIBNAME) libpng; ln -f -s $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi

scripts/makefile.mips

@@ -14,7 +14,7 @@ LIBPATH=$(prefix)/lib
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 

scripts/makefile.ne12bsd

@@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng12
 
 LIB=	png12
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.3
+SHLIB_MINOR=	1.2.4beta1
 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

scripts/makefile.netbsd

@@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng
 
 LIB=	png
 SHLIB_MAJOR=	3
-SHLIB_MINOR=	1.2.3
+SHLIB_MINOR=	1.2.4beta1
 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

scripts/makefile.openbsd

@@ -7,7 +7,7 @@ LIBDIR=	${PREFIX}/lib
 MANDIR= ${PREFIX}/man/cat
 
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.3
+SHLIB_MINOR=	1.2.4beta1
 
 LIB=	png
 SRCS=	png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \

scripts/makefile.sco

@@ -24,7 +24,7 @@ LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz -lm
 RANLIB=echo
 
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -39,14 +39,14 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
@@ -59,7 +59,7 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
 
-all: libpng.a $(LIBNAME).so pngtest
+all: libpng.a $(LIBNAME).so pngtest libpng.pc libpng-config
 
 libpng.a: $(OBJS)
 	ar rc $@ $(OBJS)
@@ -101,12 +101,10 @@ install-headers: png.h pngconf.h
 	-@/bin/rm -f $(DI)/png.h
 	-@/bin/rm -f $(DI)/pngconf.h
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
-	chmod 644 $(DI)/$(LIBNAME)/png.h \
-	$(DI)/$(LIBNAME)/pngconf.h
+	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm -f $(DI)/libpng
-	(cd $(DI); ln -f -s $(LIBNAME) libpng; \
-	ln -f -s $(LIBNAME)/* .)
+	(cd $(DI); ln -f -s $(LIBNAME) libpng; ln -f -s $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
@@ -117,8 +115,7 @@ install-static: install-headers libpng.a
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* $(DL)/$(LIBNAME).so
 	-@/bin/rm -f $(DL)/libpng.so
 	-@/bin/rm -f $(DL)/libpng.so.3
 	-@/bin/rm -f $(DL)/libpng.so.3.*

scripts/makefile.sggcc

@@ -26,7 +26,7 @@ LDSHARED=CC $(ABI) -shared
 
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBS=$(LIBNAME).so.$(PNGVER)
 INCPATH=$(prefix)/include
@@ -40,14 +40,14 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 RANLIB=echo
 #RANLIB=ranlib
@@ -56,7 +56,7 @@ OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
 
-all: libpng.a $(LIBNAME).so.$(PNGVER) pngtest
+all: libpng.a $(LIBNAME).so.$(PNGVER) pngtest libpng.pc libpng-config
 
 libpng.a: $(OBJS)
 	ar rc $@  $(OBJS)
@@ -93,12 +93,10 @@ install-headers: png.h pngconf.h
 	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
-	chmod 644 $(DI)/$(LIBNAME)/png.h \
-	$(DI)/$(LIBNAME)/pngconf.h
+	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm -f $(DI)/libpng
-	(cd $(DI); ln -sf $(LIBNAME) libpng; \
-	ln -sf $(LIBNAME)/* .)
+	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
@@ -109,8 +107,7 @@ install-static: install-headers libpng.a
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* $(DL)/$(LIBNAME).so
 	-@/bin/rm -f $(DL)/libpng.so
 	-@/bin/rm -f $(DL)/libpng.so.3
 	-@/bin/rm -f $(DL)/libpng.so.3.*

scripts/makefile.sgi

@@ -31,7 +31,7 @@ LDSHARED=cc $(ABI) -shared
 
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 RANLIB=echo
@@ -50,20 +50,20 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 OBJS = pnggccrd.o png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
 
-all: libpng.a pngtest shared
+all: libpng.a pngtest shared libpng.pc libpng-config
 
 shared: $(LIBNAME).so.$(PNGVER)
 
@@ -105,8 +105,7 @@ install-headers: png.h pngconf.h
 	$(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm -f $(DI)/libpng
-	(cd $(DI); ln -sf $(LIBNAME) libpng; \
-	ln -sf $(LIBNAME)/* .)
+	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
@@ -117,8 +116,7 @@ install-static: install-headers libpng.a
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* $(DL)/$(LIBNAME).so
 	-@/bin/rm -f $(DL)/libpng.so
 	-@/bin/rm -f $(DL)/libpng.so.3
 	-@/bin/rm -f $(DL)/libpng.so.3.*

scripts/makefile.so9

@@ -34,7 +34,7 @@ LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
 RANLIB=echo
 
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -49,14 +49,14 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
@@ -69,7 +69,7 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
 
-all: libpng.a $(LIBNAME).so pngtest
+all: libpng.a $(LIBNAME).so pngtest libpng.pc libpng-config
 
 libpng.a: $(OBJS)
 	ar rc $@ $(OBJS)
@@ -120,8 +120,7 @@ install-headers: png.h pngconf.h
 	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
-	chmod 644 $(DI)/$(LIBNAME)/png.h \
-	$(DI)/$(LIBNAME)/pngconf.h
+	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm -f $(DI)/libpng
 	(cd $(DI); ln -f -s $(LIBNAME) libpng)
@@ -131,13 +130,11 @@ install-static: install-headers libpng.a
 	cp libpng.a $(DL)/$(LIBNAME).a
 	chmod 644 $(DL)/$(LIBNAME).a
 	-@/bin/rm -f $(DL)/libpng.a
-	(cd $(DI); ln -f -s $(LIBNAME) libpng; \
-	ln -f -s $(LIBNAME)/* .)
+	(cd $(DI); ln -f -s $(LIBNAME) libpng; ln -f -s $(LIBNAME)/* .)
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* $(DL)/$(LIBNAME).so
 	-@/bin/rm -f $(DL)/libpng.so
 	-@/bin/rm -f $(DL)/libpng.so.3
 	-@/bin/rm -f $(DL)/libpng.so.3.*
@@ -149,8 +146,7 @@ install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
 	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
 	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir \
-	$(DL)/pkgconfig; fi
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
 	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
 	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
 	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc

scripts/makefile.solaris

@@ -30,7 +30,7 @@ LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
 RANLIB=echo
 
 PNGMAJ = 0
-PNGMIN = 1.2.3
+PNGMIN = 1.2.4beta1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -45,14 +45,14 @@ BINPATH=$(prefix)/bin
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 
-DB=$(DESTDIR)/$(BINPATH)
-DI=$(DESTDIR)/$(INCPATH)
-DL=$(DESTDIR)/$(LIBPATH)
-DM=$(DESTDIR)/$(MANPATH)
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
@@ -65,7 +65,7 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
 
-all: libpng.a $(LIBNAME).so pngtest
+all: libpng.a $(LIBNAME).so pngtest libpng.pc libpng-config
 
 libpng.a: $(OBJS)
 	ar rc $@ $(OBJS)
@@ -117,12 +117,10 @@ install-headers: png.h pngconf.h
 	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
-	chmod 644 $(DI)/$(LIBNAME)/png.h \
-	$(DI)/$(LIBNAME)/pngconf.h
+	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
 	-@/bin/rm -f $(DI)/libpng
-	(cd $(DI); ln -f -s $(LIBNAME) libpng; \
-	ln -f -s $(LIBNAME)/* .)
+	(cd $(DI); ln -f -s $(LIBNAME) libpng; ln -f -s $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
@@ -133,8 +131,7 @@ install-static: install-headers libpng.a
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
 	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* $(DL)/$(LIBNAME).so
 	-@/bin/rm -f $(DL)/libpng.so
 	-@/bin/rm -f $(DL)/libpng.so.3
 	-@/bin/rm -f $(DL)/libpng.so.3.*

scripts/makefile.std

@@ -14,7 +14,7 @@ LIBPATH=$(prefix)/lib
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 

scripts/makefile.sunos

@@ -14,7 +14,7 @@ LIBPATH=$(prefix)/lib
 #    make install DESTDIR=/tmp/build/libpng
 #
 # If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
 # you execute make install.
 DESTDIR=
 

scripts/pngdef.pas

@@ -7,8 +7,8 @@ unit pngdef;
 interface
 
 const
-  PNG_LIBPNG_VER_STRING = '1.2.3';
-  PNG_LIBPNG_VER        =  10203;
+  PNG_LIBPNG_VER_STRING = '1.2.4beta1';
+  PNG_LIBPNG_VER        =  10204;
 
 type
   png_uint_32 = Cardinal;

scripts/pngos2.def

@@ -2,7 +2,7 @@
 ; PNG.LIB module definition file for OS/2
 ;----------------------------------------
 
-; Version 1.2.3
+; Version 1.2.4beta1
 
 LIBRARY		PNG
 DESCRIPTION	"PNG image compression library for OS/2"
@@ -203,6 +203,9 @@ EXPORTS
 ; png_zalloc
 ; png_zfree
 
+; Added at version 1.2.4
+  png_malloc_warn
+
 ; These are not present when libpng is compiled with PNG_NO_GLOBAL_ARRAYS
   png_libpng_ver
   png_pass_start