Imported from libpng-1.2.0rc1.tar

ANNOUNCE

 
-Libpng 1.2.0beta5 - August 8, 2001
+Libpng 1.2.0rc1 - August 25, 2001
 
 This is a public release of libpng, intended for use in production codes.
 
@@ -12,19 +12,19 @@ Changes since the last public release (1.0.12):
   Enabled user memory function by default.
   Increased png_mng_features flag from png_byte to png_uint_32.
   Bumped shared-library (so-number) and dll-number to 3.
-  Updated contrib/gregbook
-  Updated makefile.ibmc
+  Updated makefile.ibmc, makefile.gcmmx
   Added some typecasts to eliminate gcc 3.0 warnings.  Changed prototypes
      of png_write_oFFS width and height from png_uint_32 to png_int_32.
   Updated example.c
   Revised prototypes for png_debug_malloc and png_debug_free in pngtest.c
-  Revised makefile.gcmmx
   Revised pnggccrd.c to conditionally compile some thread-unsafe code only
      when PNG_THREAD_UNSAFE_OK is defined.
   Added tests to prevent pngwutil.c from writing a bKGD or tRNS chunk with
      value exceeding 2^bit_depth-1
-  Replaced calls to fprintf(stderr,...) with png_warning() in pnggccrd.c
   Removed restriction that do_invert_mono only operate on 1-bit opaque files
+  Replaced calls to fprintf(stderr,...) with png_warning() or png_debug()
+     in pnggccrd.c
+  Fixed contrib/gregbook/rpng-x.c, rpng2-x.c to avoid crash with XFreeGC().
 
 Send comments/corrections/commendations to
 png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu

CHANGES

@@ -977,6 +977,9 @@ version 1.2.0beta5 [August 8, 2001]
   Revised makefile.sgi and makefile.sggcc
   Replaced calls to fprintf(stderr,...) with png_warning() in pnggccrd.c
   Removed restriction that do_invert_mono only operate on 1-bit opaque files
+version 1.2.0rc1 [August 25, 2001]
+  Changed a png_warning() to png_debug() in pnggccrd.c
+  Fixed contrib/gregbook/rpng-x.c, rpng2-x.c to avoid crash with XFreeGC().
 
 Send comments/corrections/commendations to
 png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu

INSTALL

 
-Installing libpng version 1.2.0beta5 - August 8, 2001
+Installing libpng version 1.2.0rc1 - August 25, 2001
 
 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-1.2.0beta5" or "lpng109" and "zlib-1.1.3"
+might be called "libpng-1.2.0rc1" 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 libpng.so.2.1.2.0beta5)
- makefile.gcmmx    =>  Linux/ELF makefile (gcc, creates libpng.so.2.1.2.0beta5,
+ makefile.linux    =>  Linux/ELF makefile (gcc, creates libpng.so.2.1.2.0rc1)
+ makefile.gcmmx    =>  Linux/ELF makefile (gcc, creates libpng.so.2.1.2.0rc1,
                        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
@@ -82,9 +82,9 @@ include
  makefile.macosx   =>  MACOS X Makefile
  makefile.netbsd   =>  NetBSD/cc makefile, uses PNGGCCRD
  makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
- makefile.sggcc    =>  Silicon Graphics (gcc, creates libpng.so.2.1.2.0beta5)
+ makefile.sggcc    =>  Silicon Graphics (gcc, creates libpng.so.2.1.2.0rc1)
  makefile.sunos    =>  Sun makefile
- makefile.solaris  =>  Solaris 2.X makefile (gcc, creates libpng.so.2.1.2.0beta5)
+ makefile.solaris  =>  Solaris 2.X makefile (gcc, creates libpng.so.2.1.2.0rc1)
  makefile.sco      =>  For SCO OSr5  ELF and Unixware 7 with Native cc
  makefile.mips     =>  MIPS makefile
  makefile.acorn    =>  Acorn makefile

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 1.2.0beta5, August 8, 2001, are
+libpng versions 1.0.7, July 1, 2000, through 1.2.0rc1, August 25, 2001, are
 Copyright (c) 2000 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
-August 8, 2001
+August 25, 2001

README

-README for libpng 1.2.0beta5 - August 8, 2001 (shared library 2.1)
+README for libpng 1.2.0rc1 - August 25, 2001 (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 libpng.so.2.1.2.0beta5)
+                            (gcc, creates libpng.so.2.1.2.0rc1)
        makefile.gcmmx   =>  Linux/ELF makefile (gcc, creates
-                            libpng.so.2.1.2.0beta5, uses assembler code
+                            libpng.so.2.1.2.0rc1, 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
@@ -206,10 +206,10 @@ Files in this distribution:
        makefile.macosx  =>  MACOS X Makefile
        makefile.netbsd  =>  NetBSD/cc makefile, uses PNGGCCRD
        makefile.sgi     =>  Silicon Graphics IRIX (cc, creates static lib)
-       makefile.sggcc   =>  Silicon Graphics (gcc, creates libpng.so.2.1.2.0beta5)
+       makefile.sggcc   =>  Silicon Graphics (gcc, creates libpng.so.2.1.2.0rc1)
        makefile.sunos   =>  Sun makefile
        makefile.solaris =>  Solaris 2.X makefile
-                            (gcc, creates libpng.so.2.1.2.0beta5)
+                            (gcc, creates libpng.so.2.1.2.0rc1)
        makefile.sco     =>  For SCO OSr5  ELF and Unixware 7 with Native cc
        makefile.mips    =>  MIPS makefile
        makefile.acorn   =>  Acorn makefile

Y2KINFO

    Y2K compliance in libpng:
    =========================
 
-      August 8, 2001
+      August 25, 2001
 
       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 1.2.0beta5 are Y2K compliant.  It is my belief that earlier
+      upward through 1.2.0rc1 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-1.2.0beta5.  Instead, please
+  There is no \"configure\" script for Libpng-1.2.0rc1.  Instead, please
   copy the appropriate makefile for your system from the \"scripts\"
   directory.  Read the INSTALL file for more details.
 "

contrib/gregbook/rpng-x.c

@@ -22,6 +22,7 @@
     - 1.11:  added extra set of parentheses to png_jmpbuf() macro; fixed
               command-line parsing bug
     - 1.12:  fixed small X memory leak (thanks to Francois Petitjean)
+    - 1.13:  fixed XFreeGC() crash bug
 
   ---------------------------------------------------------------------------
 
@@ -52,7 +53,7 @@
 
 #define PROGNAME  "rpng-x"
 #define LONGNAME  "Simple PNG Viewer for X"
-#define VERSION   "1.12 of 28 May 2001"
+#define VERSION   "1.13 of 16 August 2001"
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -118,6 +119,7 @@ static Colormap colormap;
 static int have_nondefault_visual = FALSE;
 static int have_colormap = FALSE;
 static int have_window = FALSE;
+static int have_gc = FALSE;
 /*
 ulg numcolors=0, pixels[256];
 ush reds[256], greens[256], blues[256];
@@ -556,6 +558,7 @@ static int rpng_x_create_window(void)
     XMapWindow(display, window);
 
     gc = XCreateGC(display, window, 0, &gcvalues);
+    have_gc = TRUE;
 
 /*---------------------------------------------------------------------------
     Fill window with the specified background color.
@@ -825,7 +828,8 @@ static void rpng_x_cleanup(void)
         ximage = NULL;
     }
 
-    XFreeGC(display, gc);
+    if (have_gc)
+        XFreeGC(display, gc);
 
     if (have_window)
         XDestroyWindow(display, window);

contrib/gregbook/rpng2-x.c

@@ -27,6 +27,7 @@
     - 1.12:  added -pause option for demos and testing
     - 1.20:  added runtime MMX-enabling/disabling and new -mmx* options
     - 1.21:  fixed small X memory leak (thanks to Francois Petitjean)
+    - 1.22:  fixed XFreeGC() crash bug
 
   ---------------------------------------------------------------------------
 
@@ -57,7 +58,7 @@
 
 #define PROGNAME  "rpng2-x"
 #define LONGNAME  "Progressive PNG Viewer for X"
-#define VERSION   "1.21 of 30 May 2001"
+#define VERSION   "1.22 of 16 August 2001"
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -228,6 +229,7 @@ static Colormap colormap;
 static int have_nondefault_visual = FALSE;
 static int have_colormap = FALSE;
 static int have_window = FALSE;
+static int have_gc = FALSE;
 
 
 
@@ -759,6 +761,7 @@ static int rpng2_x_create_window(void)
     XMapWindow(display, window);
 
     gc = XCreateGC(display, window, 0, &gcvalues);
+    have_gc = TRUE;
 
 /*---------------------------------------------------------------------------
     Allocate memory for the X- and display-specific version of the image.
@@ -1374,7 +1377,8 @@ static void rpng2_x_cleanup(void)
         ximage = NULL;
     }
 
-    XFreeGC(display, gc);
+    if (have_gc)
+        XFreeGC(display, gc);
 
     if (have_window)
         XDestroyWindow(display, window);

libpng.3

-.TH LIBPNG 3 "August 8, 2001"
+.TH LIBPNG 3 "August 25, 2001"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.0beta5
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.0rc1
 .SH SYNOPSIS
 \fI\fB
 
@@ -787,7 +787,7 @@ 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 1.2.0beta5 - August 8, 2001
+ libpng version 1.2.0rc1 - August 25, 2001
  Updated and distributed by Glenn Randers-Pehrson
  <randeg@alum.rpi.edu>
  Copyright (c) 1998-2001 Glenn Randers-Pehrson
@@ -1591,17 +1591,18 @@ changes the storage of the pixels to blue, green, red:
         color_type == PNG_COLOR_TYPE_RGB_ALPHA)
         png_set_bgr(png_ptr);
 
-PNG files store RGB pixels packed into 3 bytes. This code expands them
-into 4 bytes for windowing systems that need them in this format:
+PNG files store RGB pixels packed into 3 or 6 bytes. This code expands them
+into 4 or 8 bytes for windowing systems that need them in this format:
 
-    if (bit_depth == 8 && color_type ==
-        PNG_COLOR_TYPE_RGB) png_set_filler(png_ptr,
-        filler, PNG_FILLER_BEFORE);
+    if (color_type == PNG_COLOR_TYPE_RGB)
+        png_set_filler(png_ptr, filler, PNG_FILLER_BEFORE);
 
 where "filler" is the 8 or 16-bit number to fill with, and the location is
 either PNG_FILLER_BEFORE or PNG_FILLER_AFTER, depending upon whether
 you want the filler before the RGB or after.  This transformation
-does not affect images that already have full alpha channels.
+does not affect images that already have full alpha channels.  To add an
+opaque alpha channel, use filler=0xff or 0xffff and PNG_FILLER_AFTER which
+will generate RGBA pixels.
 
 If you are reading an image with an alpha channel, and you need the
 data as ARGB instead of the normal PNG format RGBA:
@@ -3613,13 +3614,13 @@ application:
 
 .SH IX. Y2K Compliance in libpng
 
-August 8, 2001
+August 25, 2001
 
 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 1.2.0beta5 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.0rc1 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
@@ -3794,7 +3795,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.2.0beta5 - August 8, 2001:
+Libpng version 1.2.0rc1 - August 25, 2001:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (randeg@alum.rpi.edu).
 
@@ -3811,7 +3812,7 @@ 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  1.2.0beta5, August 8, 2001, are
+libpng versions 1.0.7, July 1, 2000, through  1.2.0rc1, August 25, 2001, are
 Copyright (c) 2000-2001 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
@@ -3903,7 +3904,7 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 randeg@alum.rpi.edu
-August 8, 2001
+August 25, 2001
 
 .\" end of man page
 

libpng.txt

 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.2.0beta5 - August 8, 2001
+ libpng version 1.2.0rc1 - August 25, 2001
  Updated and distributed by Glenn Randers-Pehrson
  <randeg@alum.rpi.edu>
  Copyright (c) 1998-2001 Glenn Randers-Pehrson
@@ -804,17 +804,18 @@ changes the storage of the pixels to blue, green, red:
         color_type == PNG_COLOR_TYPE_RGB_ALPHA)
         png_set_bgr(png_ptr);
 
-PNG files store RGB pixels packed into 3 bytes. This code expands them
-into 4 bytes for windowing systems that need them in this format:
+PNG files store RGB pixels packed into 3 or 6 bytes. This code expands them
+into 4 or 8 bytes for windowing systems that need them in this format:
 
-    if (bit_depth == 8 && color_type ==
-        PNG_COLOR_TYPE_RGB) png_set_filler(png_ptr,
-        filler, PNG_FILLER_BEFORE);
+    if (color_type == PNG_COLOR_TYPE_RGB)
+        png_set_filler(png_ptr, filler, PNG_FILLER_BEFORE);
 
 where "filler" is the 8 or 16-bit number to fill with, and the location is
 either PNG_FILLER_BEFORE or PNG_FILLER_AFTER, depending upon whether
 you want the filler before the RGB or after.  This transformation
-does not affect images that already have full alpha channels.
+does not affect images that already have full alpha channels.  To add an
+opaque alpha channel, use filler=0xff or 0xffff and PNG_FILLER_AFTER which
+will generate RGBA pixels.
 
 If you are reading an image with an alpha channel, and you need the
 data as ARGB instead of the normal PNG format RGBA:
@@ -2826,13 +2827,13 @@ application:
 
 IX. Y2K Compliance in libpng
 
-August 8, 2001
+August 25, 2001
 
 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 1.2.0beta5 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.0rc1 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 "August 8, 2001"
+.TH LIBPNGPF 3 "August 25, 2001"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.0beta5
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.0rc1
 (private functions)
 .SH SYNOPSIS
 \fB#include <png.h>\fP

png.5

-.TH PNG 5 "August 8, 2001"
+.TH PNG 5 "August 25, 2001"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION

png.c

 
 /* png.c - location for general purpose libpng functions
  *
- * libpng version 1.2.0beta5 - August 8, 2001
+ * libpng version 1.2.0rc1 - August 25, 2001
  * Copyright (c) 1998-2001 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_0beta5 Your_png_h_is_not_version_1_2_0beta5;
+typedef version_1_2_0rc1 Your_png_h_is_not_version_1_2_0rc1;
 
 /* 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] = "1.2.0beta5";
+const char png_libpng_ver[18] = "1.2.0rc1";
 
 /* png_sig was changed to a function in version 1.0.5c */
 /* Place to hold the signature string for a PNG file. */
@@ -646,7 +646,7 @@ 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 1.2.0beta5 - August 8, 2001\n\
+   return ((png_charp) "\n libpng version 1.2.0rc1 - August 25, 2001\n\
    Copyright (c) 1998-2001 Glenn Randers-Pehrson\n\
    Copyright (c) 1996, 1997 Andreas Dilger\n\
    Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.\n");
@@ -664,8 +664,8 @@ 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) "1.2.0beta5");
-   return((png_charp) "1.2.0beta5");
+      return((png_charp) "1.2.0rc1");
+   return((png_charp) "1.2.0rc1");
 }
 
 png_charp PNGAPI

png.h

 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.2.0beta5 - August 8, 2001
+ * libpng version 1.2.0rc1 - August 25, 2001
  * Copyright (c) 1998-2001 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -9,7 +9,7 @@
  * Authors and maintainers:
  *  libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
  *  libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- *  libpng versions 0.97, January 1998, through 1.2.0beta5 - August 8, 2001: Glenn
+ *  libpng versions 0.97, January 1998, through 1.2.0rc1 - August 25, 2001: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -105,7 +105,7 @@
  * If you modify libpng you may insert additional notices immediately following
  * this sentence.
  *
- * libpng versions 1.0.7, July 1, 2000, through  1.2.0beta5, August 8, 2001, are
+ * libpng versions 1.0.7, July 1, 2000, through  1.2.0rc1, August 25, 2001, are
  * Copyright (c) 2000, 2001 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
@@ -210,13 +210,13 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    August 8, 2001
+ *    August 25, 2001
  *
  *    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 1.2.0beta5 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.2.0rc1 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
@@ -272,7 +272,7 @@
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.2.0beta5"
+#define PNG_LIBPNG_VER_STRING "1.2.0rc1"
 
 #define PNG_LIBPNG_VER_SONUM   3
 #define PNG_LIBPNG_VER_DLLNUM  %DLLNUM%
@@ -284,7 +284,7 @@
 /* This should match the numeric part of the final component of
  * PNG_LIBPNG_VER_STRING, omitting any leading zero: */
 
-#define PNG_LIBPNG_VER_BUILD  5
+#define PNG_LIBPNG_VER_BUILD  1
 
 #define PNG_LIBPNG_BUILD_ALPHA    1
 #define PNG_LIBPNG_BUILD_BETA     2
@@ -292,7 +292,7 @@
 #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 2
+#define PNG_LIBPNG_BUILD_TYPE 3
 
 /* Careful here.  At one time, Guy wanted to use 082, but that would be octal.
  * We must not include leading zeros.
@@ -1208,13 +1208,15 @@ struct png_struct_def
    png_free_ptr free_fn;             /* function for freeing memory */
 #endif
 
+   png_bytep big_row_buf;         /* buffer to save current (unfiltered) row */
+
 };
 
 
 /* This prevents a compiler error in png_get_copyright() in png.c if png.c
-   and png.h are both at version 1.2.0beta5
+   and png.h are both at version 1.2.0rc1
  */
-typedef png_structp version_1_2_0beta5;
+typedef png_structp version_1_2_0rc1;
 
 typedef png_struct FAR * FAR * png_structpp;
 
@@ -2331,7 +2333,7 @@ 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 1.2.0beta5 - August 8, 2001 (header)\n"
+   " libpng version 1.2.0rc1 - August 25, 2001 (header)\n"
 
 #ifdef PNG_READ_COMPOSITE_NODIV_SUPPORTED
 /* With these routines we avoid an integer divide, which will be slower on

pngasmrd.h

 /* pngasmrd.h - assembler version of utilities to read a PNG file
  *
- * libpng 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 2001 Glenn Randers-Pehrson
  *

pngconf.h

 /* pngconf.h - machine configurable file for libpng
  *
- * libpng 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 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 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

pngget.c

 
 /* pngget.c - retrieval of values from info struct
  *
- * libpng 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

pngmem.c

 
 /* pngmem.c - stub functions for memory allocation
  *
- * libpng 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

pngpread.c

 
 /* pngpread.c - read a png file in push mode
  *
- * libpng 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

pngread.c

 
 /* pngread.c - read a PNG file
  *
- * libpng 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -769,7 +769,7 @@ 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 1.2.0beta5
+ * [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.0rc1
  */
 
 void PNGAPI
@@ -818,7 +818,7 @@ 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 1.2.0beta5
+ * [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.0rc1
  */
 void PNGAPI
 png_read_image(png_structp png_ptr, png_bytepp image)
@@ -1133,7 +1133,7 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr
       png_info_destroy(png_ptr, end_info_ptr);
 
    png_free(png_ptr, png_ptr->zbuf);
-   png_free(png_ptr, png_ptr->row_buf);
+   png_free(png_ptr, png_ptr->big_row_buf);
    png_free(png_ptr, png_ptr->prev_row);
 #if defined(PNG_READ_DITHER_SUPPORTED)
    png_free(png_ptr, png_ptr->palette_lookup);

pngrio.c

 
 /* pngrio.c - functions for data input
  *
- * libpng 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 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 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

pngrutil.c

 
 /* pngrutil.c - utilities to read a PNG file
  *
- * libpng 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -2975,7 +2975,8 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
    if (row_bytes > (png_uint_32)65536L)
       png_error(png_ptr, "This image requires a row greater than 64KB");
 #endif
-   png_ptr->row_buf = (png_bytep)png_malloc(png_ptr, row_bytes);
+   png_ptr->big_row_buf = (png_bytep)png_malloc(png_ptr, row_bytes+64);
+   png_ptr->row_buf = png_ptr->big_row_buf+32;
 #if defined(PNG_DEBUG) && defined(PNG_USE_PNGGCCRD)
    png_ptr->row_buf_size = row_bytes;
 #endif

pngset.c

 
 /* pngset.c - storage of image information into info struct
  *
- * libpng 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

pngtest.c

 
 /* pngtest.c - a simple test program to test libpng
  *
- * libpng 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -1510,4 +1510,4 @@ main(int argc, char *argv[])
 }
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_0beta5 your_png_h_is_not_version_1_2_0beta5;
+typedef version_1_2_0rc1 your_png_h_is_not_version_1_2_0rc1;

pngtrans.c

 
 /* pngtrans.c - transforms the data in a row (used by both readers and writers)
  *
- * libpng 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 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 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 Glenn Randers-Pehrson
  * Copyright (c) 1998, Intel Corporation

pngwio.c

 
 /* pngwio.c - functions for data output
  *
- * libpng 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

pngwrite.c

 
 /* pngwrite.c - general routines to write a PNG file
  *
- * libpng 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 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 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

pngwutil.c

 
 /* pngwutil.c - utilities to write a PNG file
  *
- * libpng 1.2.0beta5 - August 8, 2001
+ * libpng 1.2.0rc1 - August 25, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 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 1.2.0beta5 (August 8, 2001) and zlib
+libpng 1.2.0rc1 (August 25, 2001) 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 1.2.0beta5
+;Version 1.2.0rc1
   png_build_grayscale_palette  @1
   png_check_sig        @2
   png_chunk_error      @3

projects/netware.txt

 A set of project files is available for Netware.  Get
-libpng-1.2.0beta5-project-netware.zip from a libpng distribution
+libpng-1.2.0rc1-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-1.2.0beta5-project-netware.zip"
+"unzip -a libpng-1.2.0rc1-project-netware.zip"

projects/wince.txt

 A set of project files is available for WinCE.  Get
-libpng-1.2.0beta5-project-wince.zip from a libpng distribution
+libpng-1.2.0rc1-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-1.2.0beta5-project-wince.zip"
+"unzip -a libpng-1.2.0rc1-project-wince.zip"

scripts/makefile.aix

@@ -18,7 +18,7 @@ RM = rm -f
 # read libpng.txt or png.h to see why PNGMAJ is 3.  You should not
 # have to change it.
 PNGMAJ = 3
-PNGMIN = 1.2.0beta5
+PNGMIN = 1.2.0rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 prefix=/usr/local

scripts/makefile.beos

@@ -13,7 +13,7 @@ ZLIBINC=/usr/local/include
 # read libpng.txt or png.h to see why PNGMAJ is 3.  You should not
 # have to change it.
 PNGMAJ = 3
-PNGMIN = 1.2.0beta5
+PNGMIN = 1.2.0rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 ALIGN=

scripts/makefile.cygwin

@@ -39,7 +39,7 @@ CFLAGS=-I$(ZLIBINC) -Wall -O3 $(ALIGN) -funroll-loops \
 # have to change it.
 PNGMAJ = 3
 #PNGDLL = $3
-PNGMIN = 1.2.0beta5
+PNGMIN = 1.2.0rc1
 PNGMIN_BASE = 1.2.0
 PNGVER = $(PNGMAJ).$(PNGMIN)
 

scripts/makefile.dec

@@ -17,7 +17,7 @@ ZLIBINC=../zlib
 # read libpng.txt or png.h to see why PNGMAJ is 3.  You should not
 # have to change it.
 PNGMAJ = 3
-PNGMIN = 1.2.0beta5
+PNGMIN = 1.2.0rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 CC=cc

scripts/makefile.gcmmx

@@ -55,7 +55,7 @@ RANLIB=ranlib
 # read libpng.txt or png.h to see why PNGMAJ is 3.  You should not
 # have to change it.
 PNGMAJ = 3
-PNGMIN = 1.2.0beta5
+PNGMIN = 1.2.0rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include

scripts/makefile.hpgcc

@@ -34,7 +34,7 @@ RANLIB=ranlib
 # read libpng.txt or png.h to see why PNGMAJ is 3.  You should not
 # have to change it.
 PNGMAJ = 3
-PNGMIN = 1.2.0beta5
+PNGMIN = 1.2.0rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include

scripts/makefile.hpux

@@ -19,7 +19,7 @@ RANLIB=ranlib
 # read libpng.txt or png.h to see why PNGMAJ is 3.  You should not
 # have to change it.
 PNGMAJ = 3
-PNGMIN = 1.2.0beta5
+PNGMIN = 1.2.0rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # where make install puts libpng.a and png.h

scripts/makefile.linux

@@ -34,7 +34,7 @@ RANLIB=ranlib
 # read libpng.txt or png.h to see why PNGMAJ is 3.  You should not
 # have to change it.
 PNGMAJ = 3
-PNGMIN = 1.2.0beta5
+PNGMIN = 1.2.0rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include

scripts/makefile.netbsd

@@ -11,7 +11,7 @@ INCSDIR=${LOCALBASE}/include
 
 LIB=png
 SHLIB_MAJOR= 3
-SHLIB_MINOR= 1.2.0beta5
+SHLIB_MINOR= 1.2.0rc1
 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.sco

@@ -25,7 +25,7 @@ RANLIB=echo
 # read libpng.txt or png.h to see why PNGMAJ is 3.  You should not
 # have to change it.
 PNGMAJ = 3
-PNGMIN = 1.2.0beta5
+PNGMIN = 1.2.0rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include

scripts/makefile.sggcc

@@ -22,7 +22,7 @@ CFLAGS=$(ABI) -I$(ZLIBINC) -O2 $(WARNMORE) -fPIC -mabi=n32
 LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm
 LDSHARED=CC $(ABI) -shared
 
-VER=1.2.0beta5
+VER=1.2.0rc1
 # See "man dso" for info about shared objects
 SONUM=3
 LIBS=libpng.so.$(SONUM).$(VER)

scripts/makefile.sgi

@@ -27,7 +27,7 @@ CFLAGS=$(ABI) -I$(ZLIBINC) -O $(WARNMORE) -DPNG_USE_PNGGCCRD -DPNG_NO_ASSEMBLER_
 LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm
 LDSHARED=cc $(ABI) -shared
 
-VER=1.2.0beta5
+VER=1.2.0rc1
 # See "man dso" for info about shared objects
 SONUM=3
 SHAREDLIB=libpng.so

scripts/makefile.solaris

@@ -31,7 +31,7 @@ RANLIB=echo
 # read libpng.txt or png.h to see why PNGMAJ is 3.  You should not
 # have to change it.
 PNGMAJ = 3
-PNGMIN = 1.2.0beta5
+PNGMIN = 1.2.0rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include

scripts/pngdef.pas

@@ -7,7 +7,7 @@ unit pngdef;
 interface
 
 const
-  PNG_LIBPNG_VER_STRING = '1.2.0beta5';
+  PNG_LIBPNG_VER_STRING = '1.2.0rc1';
   PNG_LIBPNG_VER        =  10200;
 
 type

scripts/pngos2.def

@@ -2,7 +2,7 @@
 ; PNG.LIB module definition file for OS/2
 ;----------------------------------------
 
-; Version 1.2.0beta5
+; Version 1.2.0rc1
 
 LIBRARY		PNG
 DESCRIPTION	"PNG image compression library for OS/2"