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[libpng17] Catch up with recent libpng16 changes; unknown handling and spelling

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corrections
This commit is contained in:
John Bowler
2013-09-30 08:28:05 -05:00
committed by Glenn Randers-Pehrson
parent d9f60caf72
commit 7657ac14f2
15 changed files with 315 additions and 100 deletions
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11
pngpriv.h
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@@ -1334,7 +1334,7 @@ PNG_INTERNAL_FUNCTION(void,png_handle_zTXt,(png_structrp png_ptr,
PNG_INTERNAL_FUNCTION(void,png_check_chunk_name,(png_structrp png_ptr,
png_uint_32 chunk_name),PNG_EMPTY);
#ifdef PNG_READ_SUPPORTED
#ifdef PNG_SET_UNKNOWN_CHUNKS_SUPPORTED
PNG_INTERNAL_FUNCTION(void,png_handle_unknown,(png_structrp png_ptr,
png_inforp info_ptr, png_uint_32 length, int keep),PNG_EMPTY);
/* This is the function that gets called for unknown chunks. The 'keep'
@@ -1343,16 +1343,15 @@ PNG_INTERNAL_FUNCTION(void,png_handle_unknown,(png_structrp png_ptr,
* just skips the chunk or errors out if it is critical.
*/
#ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
#ifdef PNG_SET_UNKNOWN_CHUNKS_SUPPORTED
#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) ||\
defined(PNG_HANDLE_AS_UNKNOWN_SUPPORTED)
PNG_INTERNAL_FUNCTION(int,png_chunk_unknown_handling,
(png_const_structrp png_ptr, png_uint_32 chunk_name),PNG_EMPTY);
/* Exactly as the API png_handle_as_unknown() except that the argument is a
* 32-bit chunk name, not a string.
*/
#endif
#endif /* PNG_READ_UNKNOWN_CHUNKS_SUPPORTED */
#endif /* PNG_READ_SUPPORTED */
#endif /* READ_UNKNOWN_CHUNKS || HANDLE_AS_UNKNOWN */
#endif /* PNG_SET_UNKNOWN_CHUNKS_SUPPORTED */
/* Handle the transformations for reading and writing */
#ifdef PNG_READ_TRANSFORMS_SUPPORTED