commit 5b5dcf8b88d2fa385d36ac0caac73e6ffa9e93e4
author Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Sat Jul 17 22:45:44 2004 -0500
committer Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Mon Apr 06 16:07:38 2009 -0500
tree 4857e88604592e70aac59c20c5fa620f73343c92
parent 761bf9f06f3c544e6fb6ed46f3b08a363cf19b81

Imported from libpng-1.2.6beta3.tar

pngwrite.c

diff --git a/pngwrite.c b/pngwrite.c
index 55a9585..f292c6f 100644
--- a/pngwrite.c
+++ b/pngwrite.c
@@ -1,9 +1,9 @@
 
 /* pngwrite.c - general routines to write a PNG file
  *
- * libpng 1.2.6beta2 - November 1, 2002
+ * libpng 1.2.6beta3 - July 18, 2004
  * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2002 Glenn Randers-Pehrson
+ * Copyright (c) 1998-2004 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.)
  */
@@ -105,7 +105,8 @@
        {
          int keep=png_handle_as_unknown(png_ptr, up->name);
          if (keep != HANDLE_CHUNK_NEVER &&
-            up->location && (!(up->location & PNG_HAVE_PLTE)) &&
+            up->location && !(up->location & PNG_HAVE_PLTE) &&
+            !(up->location & PNG_HAVE_IDAT) &&
             ((up->name[3] & 0x20) || keep == HANDLE_CHUNK_ALWAYS ||
             (png_ptr->flags & PNG_FLAG_KEEP_UNSAFE_CHUNKS)))
          {