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libpng: Update to 1.6.43

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This commit is contained in:
Jakub Marcowski
2024-03-09 15:10:17 +01:00
parent bfa866c318
commit 41268d7faa
18 changed files with 406 additions and 335 deletions
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12
thirdparty/libpng/pngread.c vendored
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@ -1,7 +1,7 @@
/* pngread.c - read a PNG file
*
* Copyright (c) 2018-2019 Cosmin Truta
* Copyright (c) 2018-2024 Cosmin Truta
* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
* Copyright (c) 1996-1997 Andreas Dilger
* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
@ -568,7 +568,11 @@ png_read_row(png_structrp png_ptr, png_bytep row, png_bytep dsp_row)
#endif
#ifdef PNG_READ_TRANSFORMS_SUPPORTED
if (png_ptr->transformations)
if (png_ptr->transformations
# ifdef PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED
|| png_ptr->num_palette_max >= 0
# endif
)
png_do_read_transformations(png_ptr, &row_info);
#endif
@ -785,7 +789,7 @@ png_read_end(png_structrp png_ptr, png_inforp info_ptr)
#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED
/* Report invalid palette index; added at libng-1.5.10 */
if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE &&
png_ptr->num_palette_max > png_ptr->num_palette)
png_ptr->num_palette_max >= png_ptr->num_palette)
png_benign_error(png_ptr, "Read palette index exceeding num_palette");
#endif
@ -1049,6 +1053,8 @@ void PNGAPI
png_read_png(png_structrp png_ptr, png_inforp info_ptr,
int transforms, voidp params)
{
png_debug(1, "in png_read_png");
if (png_ptr == NULL || info_ptr == NULL)
return;