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[master] Imported from libpng-1.6.23.tar

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Glenn Randers-Pehrson
2016-06-09 06:44:58 -05:00
parent 87c14c528a
commit 5a8b04137f
37 changed files with 636 additions and 249 deletions
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14
pngset.c
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@@ -1,8 +1,8 @@
/* pngset.c - storage of image information into info struct
*
* Last changed in libpng 1.6.21 [January 15, 2016]
* Copyright (c) 1998-2015 Glenn Randers-Pehrson
* Last changed in libpng 1.6.23 [June 9, 2016]
* Copyright (c) 1998-2016 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.)
*
@@ -952,12 +952,14 @@ png_set_tRNS(png_structrp png_ptr, png_inforp info_ptr,
png_free_data(png_ptr, info_ptr, PNG_FREE_TRNS, 0);
/* Changed from num_trans to PNG_MAX_PALETTE_LENGTH in version 1.2.1 */
png_ptr->trans_alpha = info_ptr->trans_alpha = png_voidcast(png_bytep,
png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH));
if (num_trans > 0 && num_trans <= PNG_MAX_PALETTE_LENGTH)
{
/* Changed from num_trans to PNG_MAX_PALETTE_LENGTH in version 1.2.1 */
info_ptr->trans_alpha = png_voidcast(png_bytep,
png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH));
memcpy(info_ptr->trans_alpha, trans_alpha, (png_size_t)num_trans);
}
png_ptr->trans_alpha = info_ptr->trans_alpha;
}
if (trans_color != NULL)