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-rw-r--r--pngset.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/pngset.c b/pngset.c
index 92db3890a..6aec77850 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1,8 +1,8 @@
/* pngset.c - storage of image information into info struct
*
- * Last changed in libpng 1.5.7 [December 15, 2011]
- * Copyright (c) 1998-2011 Glenn Randers-Pehrson
+ * Last changed in libpng 1.5.10 [(PENDING RELEASE)]
+ * Copyright (c) 1998-2012 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.)
*
@@ -1281,4 +1281,20 @@ png_set_benign_errors(png_structp png_ptr, int allowed)
png_ptr->flags &= ~PNG_FLAG_BENIGN_ERRORS_WARN;
}
#endif /* PNG_BENIGN_ERRORS_SUPPORTED */
+
+#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED
+ /* Do not report invalid palette index; added at libng-1.5.10 */
+void PNGAPI
+png_set_check_for_invalid_index(png_structp png_ptr, int allowed)
+{
+ png_debug(1, "in png_set_check_for_invalid_index");
+
+ if (allowed)
+ png_ptr->num_palette_max = 0;
+
+ else
+ png_ptr->num_palette_max = -1;
+}
+#endif
+
#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */