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[libpng17] Reverted incorrect test on unknown chunk location.

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This commit is contained in:
Glenn Randers-Pehrson
2015-03-08 08:15:19 -05:00
parent 3e4bd8c261
commit 127bede89c
4 changed files with 3 additions and 21 deletions
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12
pngset.c
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@@ -1213,17 +1213,6 @@ png_set_unknown_chunks(png_structrp png_ptr,
return;
}
if ((np->location & (PNG_HAVE_IHDR|PNG_HAVE_PLTE|PNG_AFTER_IDAT)) == 0)
{
png_free(png_ptr, np);
np = NULL;
png_chunk_report(png_ptr,
"invalid chunk location in png_set_unknown_chunks",
PNG_CHUNK_WRITE_ERROR);
return;
}
png_free(png_ptr, info_ptr->unknown_chunks);
info_ptr->unknown_chunks = np; /* safe because it is initialized */
info_ptr->free_me |= PNG_FREE_UNKN;
@@ -1302,7 +1291,6 @@ png_set_unknown_chunk_location(png_const_structrp png_ptr, png_inforp info_ptr,
}
#endif /* STORE_UNKNOWN_CHUNKS */
#ifdef PNG_MNG_FEATURES_SUPPORTED
png_uint_32 PNGAPI
png_permit_mng_features (png_structrp png_ptr, png_uint_32 mng_features)