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libpng: Update to upstream version 1.6.31rc01

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Fixes various issues with 1.6.30, especially ARM build.
Supersedes change in #9722.
This commit is contained in:
Rémi Verschelde
2017-07-22 18:42:17 +02:00
parent 8495acc510
commit 492999a33b
18 changed files with 275 additions and 74 deletions
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35
thirdparty/libpng/pngset.c vendored
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@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct
*
* Last changed in libpng 1.6.30 [(PENDING RELEASE)]
* Last changed in libpng 1.6.30 [June 28, 2017]
* Copyright (c) 1998-2017 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.)
@ -134,6 +134,39 @@ png_set_cHRM_XYZ(png_const_structrp png_ptr, png_inforp info_ptr, double red_X,
#endif /* cHRM */
#ifdef PNG_eXIf_SUPPORTED
void PNGAPI
png_set_eXIf(png_const_structrp png_ptr, png_inforp info_ptr,
const png_bytep eXIf_buf)
{
int i;
png_debug1(1, "in %s storage function", "eXIf");
if (png_ptr == NULL || info_ptr == NULL)
return;
png_free_data(png_ptr, info_ptr, PNG_FREE_EXIF, 0);
info_ptr->exif = png_voidcast(png_bytep, png_malloc_warn(png_ptr,
info_ptr->num_exif));
if (info_ptr->exif == NULL)
{
png_warning(png_ptr, "Insufficient memory for eXIf chunk data");
return;
}
info_ptr->free_me |= PNG_FREE_EXIF;
for (i = 0; i < info_ptr->num_exif; i++)
info_ptr->exif[i] = eXIf_buf[i];
info_ptr->valid |= PNG_INFO_eXIf;
}
#endif /* eXIf */
#ifdef PNG_gAMA_SUPPORTED
void PNGFAPI
png_set_gAMA_fixed(png_const_structrp png_ptr, png_inforp info_ptr,