Update libpng to version 1.2.38rc02

2025-07-10 18:04:09 +02:00 · 2009-06-29 07:31:34 -05:00
parent ea6120bc3c
commit d0391a7de7
18 changed files with 99 additions and 40 deletions
--- a/png.c
+++ b/png.c
@@ -2,10 +2,13 @@
 /* png.c - location for general purpose libpng functions
 *
 * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2009 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.)
+ *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
 */

 #define PNG_INTERNAL
@@ -13,7 +16,7 @@
 #include "png.h"

 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_38beta01 Your_png_h_is_not_version_1_2_38beta01;
+typedef version_1_2_38rc02 Your_png_h_is_not_version_1_2_38rc02;

 /* Version information for C files.  This had better match the version
 * string defined in png.h.  */
@@ -702,7 +705,7 @@ png_charp PNGAPI
 png_get_copyright(png_structp png_ptr)
 {
   png_ptr = png_ptr;  /* Silence compiler warning about unused png_ptr */
-   return ((png_charp) "\n libpng version 1.2.38beta01 - June 17, 2009\n\
+   return ((png_charp) "\n libpng version 1.2.38rc02 - June 29, 2009\n\
   Copyright (c) 1998-2009 Glenn Randers-Pehrson\n\
   Copyright (c) 1996-1997 Andreas Dilger\n\
   Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");
--- a/png.h
+++ b/png.h
@@ -1,14 +1,16 @@
 /* png.h - header file for PNG reference library
 *
- * libpng version 1.2.38beta01 - June 17, 2009
+ * libpng version 1.2.38rc02 - June 29, 2009
 * Copyright (c) 1998-2009 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.)
 *
+ * This code is released under the libpng license (See LICENSE, below)
+ *
 * 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 1.2.38beta01 - June 17, 2009: Glenn
+ *  libpng versions 0.97, January 1998, through 1.2.38rc02 - June 29, 2009: Glenn
 *  See also "Contributing Authors", below.
 *
 * Note about libpng version numbers:
@@ -230,7 +232,9 @@
 *    1.2.37rc01              13    10237  12.so.0.37[.0]
 *    1.2.37                  13    10237  12.so.0.37[.0]
 *    1.2.45                  10    10045  12.so.0.45[.0]
+ *    1.0.46                  10    10046  10.so.0.46[.0]
 *    1.2.38beta01            13    10238  12.so.0.38[.0]
+ *    1.2.38rc01-02           13    10238  12.so.0.38[.0]
 *
 *    Henceforth the source version will match the shared-library major
 *    and minor numbers; the shared-library major version number will be
@@ -260,7 +264,9 @@
 * If you modify libpng you may insert additional notices immediately following
 * this sentence.
 *
- * libpng versions 1.2.6, August 15, 2004, through 1.2.38beta01, June 17, 2009, are
+ * This code is released under the libpng license.
+ *
+ * libpng versions 1.2.6, August 15, 2004, through 1.2.38rc02, June 29, 2009, are
 * Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, and are
 * distributed according to the same disclaimer and license as libpng-1.2.5
 * with the following individual added to the list of Contributing Authors:
@@ -372,13 +378,13 @@
 * Y2K compliance in libpng:
 * =========================
 *
- *    June 17, 2009
+ *    June 29, 2009
 *
 *    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 1.2.38beta01 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.2.38rc02 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
@@ -434,9 +440,9 @@
 */

 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.2.38beta01"
+#define PNG_LIBPNG_VER_STRING "1.2.38rc02"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.2.38beta01 - June 17, 2009\n"
+   " libpng version 1.2.38rc02 - June 29, 2009\n"

 #define PNG_LIBPNG_VER_SONUM   0
 #define PNG_LIBPNG_VER_DLLNUM  13
@@ -449,7 +455,7 @@
 * PNG_LIBPNG_VER_STRING, omitting any leading zero:
 */

-#define PNG_LIBPNG_VER_BUILD  01
+#define PNG_LIBPNG_VER_BUILD  02

 /* Release Status */
 #define PNG_LIBPNG_BUILD_ALPHA    1
@@ -466,7 +472,7 @@
 #define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with
                                       PNG_LIBPNG_BUILD_PRIVATE */

-#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_BETA
+#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_RC

 /* Careful here.  At one time, Guy wanted to use 082, but that would be octal.
 * We must not include leading zeros.
@@ -1501,7 +1507,7 @@ struct png_struct_def
 /* This triggers a compiler error in png.c, if png.c and png.h
 * do not agree upon the version number.
 */
-typedef png_structp version_1_2_38beta01;
+typedef png_structp version_1_2_38rc02;

 typedef png_struct FAR * FAR * png_structpp;

--- a/pngconf.h
+++ b/pngconf.h
@@ -1,11 +1,18 @@

 /* pngconf.h - machine configurable file for libpng
 *
- * libpng version 1.2.38beta01 - June 17, 2009
- * For conditions of distribution and use, see copyright notice in png.h
+ * libpng version 1.2.38rc02 - June 29, 2009
 * Copyright (c) 1998-2009 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.)
+ *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
+ *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
 */

 /* Any machine specific code is near the front of this file, so if you
--- a/pngcrush.c
+++ b/pngcrush.c
@@ -159,7 +159,7 @@

 Change log:

-Version 1.6.20 (built with libpng-1.2.38beta01 and zlib-1.2.3.2)
+Version 1.6.20 (built with libpng-1.2.38rc02 and zlib-1.2.3.2)

 Version 1.6.19 (built with libpng-1.2.37 and zlib-1.2.3.2)
  Added missing braces that cause an incorrect png_error() to be issued.
--- a/pngerror.c
+++ b/pngerror.c
@@ -2,11 +2,14 @@
 /* pngerror.c - stub functions for i/o and memory allocation
 *
 * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2009 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.)
 *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
+ *
 * This file provides a location for all error handling.  Users who
 * need special error handling are expected to write replacement functions
 * and use png_set_error_fn() to use those functions.  See the instructions
--- a/pngget.c
+++ b/pngget.c
@@ -2,10 +2,14 @@
 /* pngget.c - retrieval of values from info struct
 *
 * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2009 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.)
+ *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
+ *
 */

 #define PNG_INTERNAL
--- a/pngmem.c
+++ b/pngmem.c
@@ -2,11 +2,14 @@
 /* pngmem.c - stub functions for memory allocation
 *
 * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2009 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.)
 *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
+ *
 * This file provides a location for all memory allocation.  Users who
 * need special memory handling are expected to supply replacement
 * functions for png_malloc() and png_free(), and to use
--- a/pngpread.c
+++ b/pngpread.c
@@ -1,11 +1,14 @@

 /* pngpread.c - read a png file in push mode
 *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
+ * Last changed in libpng 1.2.37 [June 29, 2009]
 * Copyright (c) 1998-2009 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.)
+ *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
 */

 #define PNG_INTERNAL
@@ -1387,7 +1390,7 @@ png_push_read_zTXt(png_structp png_ptr, png_infop info_ptr)

               tmp = text;
               text = (png_charp)png_malloc(png_ptr, text_size +
-                  (png_uint_32)(png_ptr->zbuf_size
+                  (png_uint_32)(png_ptr->zbuf_size 
                  - png_ptr->zstream.avail_out + 1));

               png_memcpy(text, tmp, text_size);
@@ -1609,7 +1612,7 @@ png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32
      }
 #endif
      png_memcpy((png_charp)png_ptr->unknown_chunk.name,
-                 (png_charp)png_ptr->chunk_name,
+                 (png_charp)png_ptr->chunk_name, 
                 png_sizeof(png_ptr->unknown_chunk.name));
      png_ptr->unknown_chunk.name[png_sizeof(png_ptr->unknown_chunk.name) - 1]
        = '\0';
--- a/pngread.c
+++ b/pngread.c
@@ -2,11 +2,14 @@
 /* pngread.c - read a PNG file
 *
 * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2009 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.)
 *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
+ *
 * This file contains routines that an application calls directly to
 * read a PNG file or stream.
 */
--- a/pngrio.c
+++ b/pngrio.c
@@ -2,11 +2,14 @@
 /* pngrio.c - functions for data input
 *
 * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2009 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.)
 *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
+ *
 * This file provides a location for all input.  Users who need
 * special handling are expected to write a function that has the same
 * arguments as this and performs a similar function, but that possibly
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -1,12 +1,15 @@

 /* pngrtran.c - transforms the data in a row for PNG readers
 *
- * Last changed in libpng 1.2.38 [June 17, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
+ * Last changed in libpng 1.2.38 [June 29, 2009]
 * Copyright (c) 1998-2009 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.)
 *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
+ *
 * This file contains functions optionally called by an application
 * in order to tell libpng how to handle data when reading a PNG.
 * Transformations that are used in both reading and writing are
@@ -714,8 +717,8 @@ png_set_rgb_to_gray_fixed(png_structp png_ptr, int error_action,
 #endif

 #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
-    defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \
-    defined(PNG_LEGACY_SUPPORTED)
+    defined(PNG_LEGACY_SUPPORTED) || \
+    defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
 void PNGAPI
 png_set_read_user_transform_fn(png_structp png_ptr, png_user_transform_ptr
   read_user_transform_fn)
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -1,12 +1,15 @@

 /* pngrutil.c - utilities to read a PNG file
 *
- * Last changed in libpng 1.2.38 [June 17, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
+ * Last changed in libpng 1.2.38 [June 29, 2009]
 * Copyright (c) 1998-2009 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.)
 *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
+ *
 * This file contains routines that are only called from within
 * libpng itself during the course of reading an image.
 */
--- a/pngset.c
+++ b/pngset.c
@@ -1,12 +1,15 @@

 /* pngset.c - storage of image information into info struct
 *
- * Last changed in libpng 1.2.38 [June 17, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
+ * Last changed in libpng 1.2.38 [June 29, 2009]
 * Copyright (c) 1998-2009 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.)
 *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
+ *
 * The functions here are used during reads to store data from the file
 * into the info struct, and during writes to store application data
 * into the info struct for writing into the file.  This abstracts the
--- a/pngtrans.c
+++ b/pngtrans.c
@@ -2,10 +2,13 @@
 /* pngtrans.c - transforms the data in a row (used by both readers and writers)
 *
 * Last changed in libpng 1.2.36 [May 14, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2009 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.)
+ *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
 */

 #define PNG_INTERNAL
@@ -634,8 +637,8 @@ png_do_bgr(png_row_infop row_info, png_bytep row)
 #endif /* PNG_READ_BGR_SUPPORTED or PNG_WRITE_BGR_SUPPORTED */

 #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
-    defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \
-    defined(PNG_LEGACY_SUPPORTED)
+    defined(PNG_LEGACY_SUPPORTED) || \
+    defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
 void PNGAPI
 png_set_user_transform_info(png_structp png_ptr, png_voidp
   user_transform_ptr, int user_transform_depth, int user_transform_channels)
--- a/pngwio.c
+++ b/pngwio.c
@@ -2,11 +2,14 @@
 /* pngwio.c - functions for data output
 *
 * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2009 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.)
 *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
+ *
 * This file provides a location for all output.  Users who need
 * special handling are expected to write functions that have the same
 * arguments as these and perform similar functions, but that possibly
--- a/pngwrite.c
+++ b/pngwrite.c
@@ -2,10 +2,13 @@
 /* pngwrite.c - general routines to write a PNG file
 *
 * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2009 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.)
+ *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
 */

 /* Get internal access to png.h */
--- a/pngwtran.c
+++ b/pngwtran.c
@@ -2,10 +2,13 @@
 /* pngwtran.c - transforms the data in a row for PNG writers
 *
 * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2009 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.)
+ *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
 */

 #define PNG_INTERNAL
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -2,10 +2,13 @@
 /* pngwutil.c - utilities to write a PNG file
 *
 * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
 * Copyright (c) 1998-2009 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.)
+ *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
 */

 #define PNG_INTERNAL