Imported from libpng-1.0.3.tar

ANNOUNCE

@@ -1,12 +1,12 @@
 
-Libpng 1.0.2b - January 6, 1999
+Libpng 1.0.3 - January 14, 1999
 
-This is not intended to be a public release.  It will be replaced
+This is a public release of libpng, intended for use in production codes.
-within a few weeks by a public version or by another test version.
 
-Changes since the last public release:
+Changes since the previous public release (1.0.2):
+
+libpng-1.0.3:
 
-version 1.0.2a [December 30, 1998]
   Replaced and extended code that was removed from png_set_filler() in 1.0.1a.
   Fixed a bug in png_do_filler() that made it fail to write filler bytes in
     the left-most pixel of each row (Kevin Bracey).
@@ -32,14 +32,22 @@ version 1.0.2a [December 30, 1998]
   Removed lines after Dynamic Dependencies" in makefile.aco .
   Revised makefile.dec to make a shared library (Jeremie Petit).
   Removed trailing blanks from all files. 
-version 1.0.2b [January 6, 1999]
   Removed misplaced #endif and #ifdef PNG_NO_EXTERN near the end of png.h
   Added "if" tests to silence complaints about unused png_ptr in png.h and png.c
   Changed "check_if_png" function in example.c to return true (nonzero) if PNG.
   Changed libpng.txt to demonstrate png_sig_cmp() instead of png_check_sig()
     which is obsolete.
+  Added makefile.hux, for Hewlett Packard HPUX 10.20 and 11.00 (Jim Rice)
+  Added a statement of Y2K compliance in png.h, libpng.1, and Y2KINFO.
 
 Send comments/corrections/commendations to
 png-implement@dworkin.wustl.edu or to randeg@alumni.rpi.edu
 
 Glenn R-P
+
+Send comments/corrections/commendations to
+png-implement@dworkin.wustl.edu or to randeg@alumni.rpi.edu
+
+Glenn Randers-Pehrson
+libpng maintainer
+PNG Development Group

CHANGES

@@ -378,9 +378,12 @@ version 1.0.2a [December 30, 1998]
   Removed lines after Dynamic Dependencies" in makefile.aco .
   Revised makefile.dec to make a shared library (Jeremie Petit).
   Removed trailing blanks from all files. 
-version 1.0.2b [January 6, 1999]
+version 1.0.2a [January 6, 1999]
   Removed misplaced #endif and #ifdef PNG_NO_EXTERN near the end of png.h
   Added "if" tests to silence complaints about unused png_ptr in png.h and png.c
   Changed "check_if_png" function in example.c to return true (nonzero) if PNG.
   Changed libpng.txt to demonstrate png_sig_cmp() instead of png_check_sig()
     which is obsolete.
+version 1.0.3 [January 14, 1999]
+  Added makefile.hux, for Hewlett Packard HPUX 10.20 and 11.00 (Jim Rice)
+  Added a statement of Y2K compliance in png.h, libpng.1, and Y2KINFO.

INSTALL

@@ -1,5 +1,5 @@
 
-Installing libpng version 1.0.2b - January 6, 1999
+Installing libpng version 1.0.3 - January 14, 1999
 
 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-1.0.2b" or "lpng103" and "zlib-1.1.3"
+might be called "libpng-1.0.3" or "lpng103" and "zlib-1.1.3"
 or "zlib113") so that you have directories called "zlib" and "libpng".
 
 Your directory structure should look like this:
@@ -42,6 +42,7 @@ include
       makefile.std  =>  Generic UNIX makefile
       makefile.knr  =>  Archaic UNIX Makefile that converts files with ansi2knr
       makefile.dec  =>  DEC Alpha UNIX makefile
+      makefile.hux  =>  HPUX (10.20 and 11.00) makefile
       makefile.sgi  =>  Silicon Graphics IRIX makefile
       makefile.sun  =>  Sun makefile
       makefile.s2x  =>  Solaris 2.X makefile (gcc, creates libpng.so.2.1.0)

KNOWNBUG

@@ -1,5 +1,5 @@
 
-Known bugs and suggested enhancements in libpng-1.0.2
+Known bugs and suggested enhancements in libpng-1.0.3
 
 
 1. March 15, 1998 -- OPTIMIZATION -- Kevin Bracey
@@ -14,33 +14,10 @@ Known bugs and suggested enhancements in libpng-1.0.2
    Question whether i-- or --i is better.
 
    STATUS: Under investigation, postponed until after
-   libpng-1.0.2.  About 160 loops will be turned around
+   libpng-1.0.3.  About 160 loops will be turned around
    in libpng-1.0.Nn, for testing.
 
-2. June 15, 1998 -- BUG -- Evan Light
+2. July 4, 1998 -- ENHANCEMENT -- Glenn R-P
-
-   Under some conditions, 16-bit grayscale images aren't properly
-   expanded to rgb, because png_read_start_row() returns too small a
-   value of max_pixel_depth when png_set_filler() has also been called.
-
-   STATUS: Fixed in libpng-1.0.2a
-
-3. June 16, 1998 -- BUG -- Matt McConnell
-
-   When reading interlaced images with a progressive reader, in some
-   cases (interlaced images less than 3 pixels high) some passes are
-   not skipped that should be.
-
-   STATUS: Fixed in libpng-1.0.2a
-
-4. July 3, 1998 -- ENHANCEMENT -- Glenn R-P
-
-   Added png_set_rgb_to_gray() and png_get_rgb_to_gray_status() functions.
-
-   STATUS: Done in libpng-1.0.2a, awaiting comment on resulting test
-   images.
-
-5. July 4, 1998 -- ENHANCEMENT -- Glenn R-P
 
    libpng-1.0.2 and earlier transform colors to gamma=1.0 space for
    merging with background, and then back to the image's gamma.  The
@@ -52,39 +29,4 @@ Known bugs and suggested enhancements in libpng-1.0.2
 
    STATUS: under development.
 
-6. August 20, 1998 -- BUG -- Kevin Bracey
-
-   When using the filler transformation, the filler isn't written
-   into the leftmost pixel of each row.
-
-   Also, the filler operation isn't being done right when writing
-   files.  Some code that was removed from png_set_filler() in
-   libpng 1.0.1a shouldn't have been removed.
-
-   STATUS: Fixed in libpng-1.0.2a
-
-7. August 23, 1998 -- BUG -- Duncan Simpson
-
-   "static pngcharp tIME_string" should be changed to
-   "static char tIME_string[30]" in pngtest.c
-
-   Also -- December 30, 1998 -- there are some misplaced brackets in
-   pngtest.c that cause pngtest to try to write a tIME chunk
-   even when no tIME chunk was present in the source file.
-
-   STATUS: Fixed in libpng-1.0.2a
-
-8. August 24, 1998 -- BUG -- John Cromer
-
-   Order of byte-swap and shift operations seems to be incorrect in
-   png_do_write_transformations()
-
-   STATUS: Under investigation.
-
-9. September 11, 1998 -- ENHANCEMENT -- L. Peter Deutsch
-
-   The PNG_NO_STDIO macro should be split into PNG_NO_STDIO
-   and PNG_NO_CONSOLE_STDIO.
-
-   STATUS: Done in libpng-1.0.2a
 

README

@@ -1,4 +1,4 @@
-README for libpng 1.0.2b - January 6, 1999 (shared library 2.1)
+README for libpng 1.0.3 - January 14, 1999 (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.
@@ -159,6 +159,7 @@ Files in this distribution:
         makefile.std  =>  Generic UNIX makefile
         makefile.knr  =>  Archaic UNIX Makefile that converts files with ansi2knr
         makefile.dec  =>  DEC Alpha UNIX makefile
+        makefile.hux  =>  HPUX (10.20 and 11.00) makefile
         makefile.sgi  =>  Silicon Graphics IRIX makefile
         makefile.sun  =>  Sun makefile
         makefile.s2x  =>  Solaris 2.X makefile (gcc, creates libpng.so.2.1.0)

Y2KINFO

@@ -0,0 +1,52 @@
+   Y2K compliance in libpng:
+   =========================
+      
+      January 13, 1999
+      
+      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 0.81 and
+      upward 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 will hold years up to 65535.  The other two hold the date in text
+      format, and will hold years up to 9999.
+      
+      The integer is
+          "png_uint_16 year" in png_time_struct.
+      
+      The strings are
+          "png_charp time_buffer" in png_struct and
+          "near_time_buffer", which is a local character string in png.c.
+      
+      There are seven time-related functions:
+
+          png_convert_to_rfc_1123() in png.c 
+            (formerly png_convert_to_rfc_1152() in error)
+          png_convert_from_struct_tm() in pngwrite.c, called in pngwrite.c
+          png_convert_from_time_t() in pngwrite.c
+          png_get_tIME() in pngget.c
+          png_handle_tIME() in pngrutil.c, called in pngread.c
+          png_set_tIME() in pngset.c
+          png_write_tIME() in pngwutil.c, called in pngwrite.c
+      
+      All appear to handle dates properly in a Y2K environment.  The 
+      png_convert_from_time_t() function calls gmtime() to convert from system
+      clock time, which returns (year - 1900), which we properly convert to
+      the full 4-digit year.  There is a possibility that applications using
+      libpng are not passing 4-digit years into the png_convert_to_rfc_1123()
+      function, or incorrectly passing only a 2-digit year instead of
+      "year - 1900" into the png_convert_from_struct_tm() function, but this
+      is not under our control.  The libpng documentation has always stated
+      that it works with 4-digit years, and the APIs have been documented as
+      such.
+      
+      The tIME chunk itself is also Y2K compliant.  It uses a 2-byte unsigned
+      integer to hold the year, and can hold years as large as 65535.
+      
+      
+         Glenn Randers-Pehrson
+         libpng maintainer
+         PNG Development Group

libpng.3

@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "January 6, 1999"
+.TH LIBPNG 3 "January 14, 1999"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.0.2b - January 6, 1999
+libpng \- Portable Network Graphics (PNG) Reference Library 1.0.3 - January 14, 1999
 .SH SYNOPSIS
 
 #include <png.h>
@@ -423,10 +423,10 @@ 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 1.0.2b - January 6, 1999
+ libpng version 1.0.3 - January 14, 1999
  Updated and distributed by Glenn Randers-Pehrson
  <randeg@alumni.rpi.edu>
- Copyright (c) 1998, 1999, Glenn Randers-Pehrson
+ Copyright (c) 1998, 1999 Glenn Randers-Pehrson
  For conditions of distribution and use, see copyright
  notice in png.h.
 
@@ -2437,6 +2437,58 @@ png_set_error_fn(), which is essentially the same function, but with a
 new name to force compilation errors with applications that try to use
 the old method.
 
+.SH VII. Y2K Compliance in libpng
+
+January 13, 1999
+
+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 0.81 and
+upward 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
+will hold years up to 65535.  The other two hold the date in text
+format, and will hold years up to 9999.
+
+The integer is
+    "png_uint_16 year" in png_time_struct.
+
+The strings are
+    "png_charp time_buffer" in png_struct and
+    "near_time_buffer", which is a local character string in png.c.
+
+There are seven time-related functions:
+
+    png_convert_to_rfc_1123() in png.c 
+      (formerly png_convert_to_rfc_1152() in error)
+    png_convert_from_struct_tm() in pngwrite.c, called in pngwrite.c
+    png_convert_from_time_t() in pngwrite.c
+    png_get_tIME() in pngget.c
+    png_handle_tIME() in pngrutil.c, called in pngread.c
+    png_set_tIME() in pngset.c
+    png_write_tIME() in pngwutil.c, called in pngwrite.c
+
+All appear to handle dates properly in a Y2K environment.  The 
+png_convert_from_time_t() function calls gmtime() to convert from system
+clock time, which returns (year - 1900), which we properly convert to
+the full 4-digit year.  There is a possibility that applications using
+libpng are not passing 4-digit years into the png_convert_to_rfc_1123()
+function, or incorrectly passing only a 2-digit year instead of
+"year - 1900" into the png_convert_from_struct_tm() function, but this
+is not under our control.  The libpng documentation has always stated
+that it works with 4-digit years, and the APIs have been documented as
+such.
+
+The tIME chunk itself is also Y2K compliant.  It uses a 2-byte unsigned
+integer to hold the year, and can hold years as large as 65535.
+
+
+   Glenn Randers-Pehrson
+   libpng maintainer
+   PNG Development Group
+
 .SH NOTE
 
 Note about libpng version numbers:
@@ -2522,7 +2574,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
   
-Libpng version 1.0.2b - January 6, 1999:
+Libpng version 1.0.3 - January 14, 1999:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (randeg@alumni.rpi.edu).
 
@@ -2534,7 +2586,7 @@ Supported by the PNG development group
 
 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
 Copyright (c) 1996, 1997 Andreas Dilger
-Copyright (c) 1998, 1999, Glenn Randers-Pehrson
+Copyright (c) 1998, 1999 Glenn Randers-Pehrson
 
 The PNG Reference Library (libpng) is supplied "AS IS".  The Contributing
 Authors and Group 42, Inc. disclaim all warranties, expressed or implied,

libpng.txt

@@ -1,9 +1,9 @@
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.0.2b - January 6, 1999
+ libpng version 1.0.3 - January 14, 1999
  Updated and distributed by Glenn Randers-Pehrson
  <randeg@alumni.rpi.edu>
- Copyright (c) 1998, 1999, Glenn Randers-Pehrson
+ Copyright (c) 1998, 1999 Glenn Randers-Pehrson
  For conditions of distribution and use, see copyright
  notice in png.h.
 
@@ -2013,3 +2013,55 @@ to set the error callbacks AFTER png_read_init(), or to change them with
 png_set_error_fn(), which is essentially the same function, but with a
 new name to force compilation errors with applications that try to use
 the old method.
+
+VII. Y2K Compliance in libpng
+
+January 13, 1999
+
+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 0.81 and
+upward 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
+will hold years up to 65535.  The other two hold the date in text
+format, and will hold years up to 9999.
+
+The integer is
+    "png_uint_16 year" in png_time_struct.
+
+The strings are
+    "png_charp time_buffer" in png_struct and
+    "near_time_buffer", which is a local character string in png.c.
+
+There are seven time-related functions:
+
+    png_convert_to_rfc_1123() in png.c 
+      (formerly png_convert_to_rfc_1152() in error)
+    png_convert_from_struct_tm() in pngwrite.c, called in pngwrite.c
+    png_convert_from_time_t() in pngwrite.c
+    png_get_tIME() in pngget.c
+    png_handle_tIME() in pngrutil.c, called in pngread.c
+    png_set_tIME() in pngset.c
+    png_write_tIME() in pngwutil.c, called in pngwrite.c
+
+All appear to handle dates properly in a Y2K environment.  The 
+png_convert_from_time_t() function calls gmtime() to convert from system
+clock time, which returns (year - 1900), which we properly convert to
+the full 4-digit year.  There is a possibility that applications using
+libpng are not passing 4-digit years into the png_convert_to_rfc_1123()
+function, or incorrectly passing only a 2-digit year instead of
+"year - 1900" into the png_convert_from_struct_tm() function, but this
+is not under our control.  The libpng documentation has always stated
+that it works with 4-digit years, and the APIs have been documented as
+such.
+
+The tIME chunk itself is also Y2K compliant.  It uses a 2-byte unsigned
+integer to hold the year, and can hold years as large as 65535.
+
+
+   Glenn Randers-Pehrson
+   libpng maintainer
+   PNG Development Group

libpngpf.3

@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "January 6, 1999"
+.TH LIBPNGPF 3 "January 14, 1999"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.0.2b - January 6, 1999
+libpng \- Portable Network Graphics (PNG) Reference Library 1.0.3 - January 14, 1999
 (private functions)
 .SH SYNOPSIS
 #include <png.h>

png.5

@@ -1,4 +1,4 @@
-.TH PNG 5 "January 6, 1999"
+.TH PNG 5 "January 14, 1999"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION

png.c

@@ -1,10 +1,10 @@
 
 /* png.c - location for general purpose libpng functions
  *
- * libpng version 1.0.2b - January 6, 1999
+ * libpng version 1.0.3 - January 14, 1999
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger
- * Copyright (c) 1998, 1999, Glenn Randers-Pehrson
+ * Copyright (c) 1998, 1999 Glenn Randers-Pehrson
  * 
  */
 
@@ -16,7 +16,7 @@
  * string defined in png.h.
  */
 
-char png_libpng_ver[12] = "1.0.2b";
+char png_libpng_ver[12] = "1.0.3";
 
 /* Place to hold the signature string for a PNG file. */
 png_byte FARDATA png_sig[8] = {137, 80, 78, 71, 13, 10, 26, 10};
@@ -352,7 +352,7 @@ png_get_copyright(png_structp png_ptr)
 {
    if(png_ptr == NULL)
      /* silence compiler warning about unused png_ptr */ ;
-   return("\n libpng version 1.0.2b - January 6, 1999\n\
+   return("\n libpng version 1.0.3 - January 14, 1999\n\
    Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.\n\
    Copyright (c) 1996, 1997 Andreas Dilger\n\
    Copyright (c) 1998, 1999, Glenn Randers-Pehrson\n");

png.h

@@ -1,11 +1,63 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.0.2b - January 6, 1999
+ * libpng version 1.0.3 - January 14, 1999
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger
  * Copyright (c) 1998, 1999 Glenn Randers-Pehrson
  *
+ * Y2K compliance in libpng:
+ * =========================
+ *    
+ *    January 13, 1999
+ *    
+ *    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 0.81 and
+ *    upward 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 will hold years up to 65535.  The other two hold the date in text
+ *    format, and will hold years up to 9999.
+ *    
+ *    The integer is
+ *        "png_uint_16 year" in png_time_struct.
+ *    
+ *    The strings are
+ *        "png_charp time_buffer" in png_struct and
+ *        "near_time_buffer", which is a local character string in png.c.
+ *    
+ *    There are seven time-related functions:
+ *        png.c: png_convert_to_rfc_1123() in png.c 
+ *          (formerly png_convert_to_rfc_1152() in error)
+ *        png_convert_from_struct_tm() in pngwrite.c, called in pngwrite.c
+ *        png_convert_from_time_t() in pngwrite.c
+ *        png_get_tIME() in pngget.c
+ *        png_handle_tIME() in pngrutil.c, called in pngread.c
+ *        png_set_tIME() in pngset.c
+ *        png_write_tIME() in pngwutil.c, called in pngwrite.c
+ *    
+ *    All handle dates properly in a Y2K environment.  The 
+ *    png_convert_from_time_t() function calls gmtime() to convert from system
+ *    clock time, which returns (year - 1900), which we properly convert to
+ *    the full 4-digit year.  There is a possibility that applications using
+ *    libpng are not passing 4-digit years into the png_convert_to_rfc_1123()
+ *    function, or incorrectly passing only a 2-digit year instead of
+ *    "year - 1900" into the png_convert_from_struct_tm() function, but this
+ *    is not under our control.  The libpng documentation has always stated
+ *    that it works with 4-digit years, and the APIs have been documented as
+ *    such.
+ *    
+ *    The tIME chunk itself is also Y2K compliant.  It uses a 2-byte unsigned
+ *    integer to hold the year, and can hold years as large as 65535.
+ *    
+ *    
+ *       Glenn Randers-Pehrson
+ *       libpng maintainer
+ *       PNG Development Group
+ * 
  * Note about libpng version numbers:
  * 
  *    Due to various miscommunications, unforeseen code incompatibilities
@@ -31,7 +83,7 @@
  *    1.0.1                     1.0.1    10001  2.1.0
  *    1.0.1a-e                  1.0.1a-e 10002  2.1.0.1a-e
  *    1.0.2                     1.0.2    10002  2.1.0.2
- *    1.0.2a                    1.0.2a   10003  2.1.0.2a
+ *    1.0.2a-c                  1.0.2a   10003  2.1.0.2a-c
  *    1.0.3                     1.0.3    10003  2.1.0.3
  *
  *    Henceforth the source version will match the shared-library minor
@@ -93,6 +145,7 @@
  * appreciated.
  */
 
+
 #ifndef _PNG_H
 #define _PNG_H
 
@@ -119,7 +172,7 @@ extern "C" {
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.0.2b"
+#define PNG_LIBPNG_VER_STRING "1.0.3"
 
 /* Careful here.  At one time, Guy wanted to use 082, but that would be octal.
  * We must not include leading zeros.
@@ -1499,7 +1552,7 @@ png_get_header_version(png_structp png_ptr)
 {
    if(png_ptr == NULL)
      /* silence compiler warning about unused png_ptr */ ;
-   return("\n libpng version 1.0.2b - January 6, 1999 (header)\n");
+   return("\n libpng version 1.0.3 - January 14, 1999 (header)\n");
 }
 #endif
 

pngconf.h

@@ -1,11 +1,11 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger
- * Copyright (c) 1998, 1999, Glenn Randers-Pehrson
+ * Copyright (c) 1998, 1999 Glenn Randers-Pehrson
  */
 
 /* Any machine specific code is near the front of this file, so if you

pngerror.c

@@ -1,7 +1,7 @@
 
 /* pngerror.c - stub functions for i/o and memory allocation
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger

pngget.c

@@ -1,7 +1,7 @@
 
 /* pngget.c - retrieval of values from info struct
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger

pngmem.c

@@ -1,7 +1,7 @@
 
 /* pngmem.c - stub functions for memory allocation
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger

pngpread.c

@@ -1,7 +1,7 @@
 
 /* pngpread.c - read a png file in push mode
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger

pngread.c

@@ -1,7 +1,7 @@
 
 /* pngread.c - read a PNG file
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger
@@ -530,7 +530,7 @@ 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 1.0.2b.
+ * [*] png_handle_alpha() does not exist yet, as of libpng version 1.0.3.
  */
 
 void
@@ -579,7 +579,7 @@ 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 1.0.2b.
+ * [*] png_handle_alpha() does not exist yet, as of libpng version 1.0.3.
  */
 void
 png_read_image(png_structp png_ptr, png_bytepp image)

pngrio.c

@@ -1,7 +1,7 @@
 
 /* pngrio.c - functions for data input
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger

pngrtran.c

@@ -1,7 +1,7 @@
 
 /* pngrtran.c - transforms the data in a row for PNG readers
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger

pngrutil.c

@@ -1,7 +1,7 @@
 
 /* pngrutil.c - utilities to read a PNG file
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger

pngset.c

@@ -1,7 +1,7 @@
 
 /* pngset.c - storage of image information into info struct
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger

pngtest.c

@@ -1,7 +1,7 @@
 
 /* pngtest.c - a simple test program to test libpng
  *
- * libpng 1.0.2b -January 6, 1999
+ * libpng 1.0.3 -January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger

pngtrans.c

@@ -1,7 +1,7 @@
 
 /* pngtrans.c - transforms the data in a row (used by both readers and writers)
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger

pngwio.c

@@ -1,7 +1,7 @@
 
 /* pngwio.c - functions for data output
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger

pngwrite.c

@@ -1,7 +1,7 @@
 
 /* pngwrite.c - general routines to write a PNG file
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger

pngwtran.c

@@ -1,7 +1,7 @@
 
 /* pngwtran.c - transforms the data in a row for PNG writers
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger

pngwutil.c

@@ -1,7 +1,7 @@
 
 /* pngwutil.c - utilities to write a PNG file
  *
- * libpng 1.0.2b - January 6, 1999
+ * libpng 1.0.3 - January 14, 1999
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger

scripts/makefile.dec

@@ -14,7 +14,7 @@ ZLIBINC=../zlib
 # read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
 # have to change it.
 PNGMAJ = 2
-PNGMIN = 1.0.2b
+PNGMIN = 1.0.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 CC=cc

scripts/makefile.hux

@@ -0,0 +1,68 @@
+===========================================================================
+# makefile for libpng, HPUX (10.20 and 11.00)
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42
+# Copyright (C) 1999 Glenn Randers-Pehrson
+# contributed by Jim Rice, Hewlett Packard
+# For conditions of distribution and use, see copyright notice in png.h
+
+# Where the zlib library and include files are located
+ZLIBLIB=/opt/zlib/lib
+ZLIBINC=/opt/zlib/include
+
+CC=cc
+CFLAGS=-I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0
+CCFLAGS=-I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
+
+RANLIB=ranlib
+
+# where make install puts libpng.a and png.h
+prefix=/opt/libpng/
+
+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
+
+libpng.a: $(OBJS)
+        ar rc $@  $(OBJS)
+        $(RANLIB) $@
+
+pngtest: pngtest.o libpng.a
+        $(CC) -o pngtest $(CCFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+        ./pngtest
+
+install: libpng.a
+        -@mkdir $(prefix)/include
+        -@mkdir $(prefix)/lib
+        cp png.h $(prefix)/include
+        cp pngconf.h $(prefix)/include
+        chmod 644 $(prefix)/include/png.h
+        chmod 644 $(prefix)/include/pngconf.h
+        cp libpng.a $(prefix)/lib
+        chmod 644 $(prefix)/lib/libpng.a
+
+clean:
+        rm -f *.o libpng.a pngtest pngout.png
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o: png.h pngconf.h
+pngerror.o: png.h pngconf.h
+pngrio.o: png.h pngconf.h
+pngwio.o: png.h pngconf.h
+pngmem.o: png.h pngconf.h
+pngset.o: png.h pngconf.h
+pngget.o: png.h pngconf.h
+pngread.o: png.h pngconf.h
+pngrtran.o: png.h pngconf.h
+pngrutil.o: png.h pngconf.h
+pngtest.o: png.h pngconf.h
+pngtrans.o: png.h pngconf.h
+pngwrite.o: png.h pngconf.h
+pngwtran.o: png.h pngconf.h
+pngwutil.o: png.h pngconf.h
+pngpread.o: png.h pngconf.h

scripts/makefile.lnx

@@ -32,7 +32,7 @@ RANLIB=ranlib
 # read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
 # have to change it.
 PNGMAJ = 2
-PNGMIN = 1.0.2b
+PNGMIN = 1.0.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include

scripts/makefile.s2x

@@ -31,7 +31,7 @@ RANLIB=echo
 # read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
 # have to change it.
 PNGMAJ = 2
-PNGMIN = 1.0.2b
+PNGMIN = 1.0.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include

scripts/makefile.sco

@@ -25,7 +25,7 @@ RANLIB=echo
 # read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
 # have to change it.
 PNGMAJ = 2
-PNGMIN = 1.0.2b
+PNGMIN = 1.0.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include

scripts/pngdef.pas

@@ -3,7 +3,7 @@ unit pngdef;
 interface
 
 const
-  PNG_LIBPNG_VER_STRING = '1.0.2b';
+  PNG_LIBPNG_VER_STRING = '1.0.3';
   PNG_LIBPNG_VER        =  10001;
 
 type