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[master] Change some instances of PNG_READ_UNKNOWN_CHUNKS_SUPPORTED

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to PNG_HANDLE_AS_UNKNOWN to make it possible to build a libpng that can
use the png_set_keep_unknown_chunks() mechanism to ignore unused chunks
without having to save unknown chunks.
This commit is contained in:
Glenn Randers-Pehrson
2009-06-15 20:50:00 -05:00
parent b278e91338
commit bbe589da44
7 changed files with 75 additions and 63 deletions
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8
pngset.c
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@@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct
*
* Last changed in libpng 1.2.37 [June 4, 2009]
* Last changed in libpng 1.2.38 [June 12, 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)
@@ -1004,7 +1004,7 @@ png_set_sPLT(png_structp png_ptr,
}
#endif /* PNG_sPLT_SUPPORTED */
#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
#if defined(PNG_HANDLE_AS_UNKNOWN_SUPPORTED)
void PNGAPI
png_set_unknown_chunks(png_structp png_ptr,
png_infop info_ptr, png_unknown_chunkp unknowns, int num_unknowns)
@@ -1035,8 +1035,8 @@ png_set_unknown_chunks(png_structp png_ptr,
png_unknown_chunkp to = np + info_ptr->unknown_chunks_num + i;
png_unknown_chunkp from = unknowns + i;
png_memcpy((png_charp)to->name,
(png_charp)from->name,
png_memcpy((png_charp)to->name,
(png_charp)from->name,
png_sizeof(from->name));
to->name[png_sizeof(to->name)-1] = '\0';
to->size = from->size;