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[devel] Reset zlib datastream after detecting oversized compressed chunk

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Glenn Randers-Pehrson 2010-02-12 13:55:01 -06:00
parent 9b0956fed1
commit 4748a3346e
1 changed files with 10 additions and 6 deletions
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4
pngrutil.c
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@ -248,9 +248,13 @@ png_measure_decompressed_chunk(png_structp png_ptr, int comp_type,
if ((PNG_USER_CHUNK_MALLOC_MAX > 0) && if ((PNG_USER_CHUNK_MALLOC_MAX > 0) &&
text_size >= PNG_USER_CHUNK_MALLOC_MAX - 1) text_size >= PNG_USER_CHUNK_MALLOC_MAX - 1)
#endif #endif
{
inflateReset(&png_ptr->zstream);
png_ptr->zstream.avail_in = 0;
return 0; return 0;
} }
} }
}
if (ret == Z_STREAM_END) if (ret == Z_STREAM_END)
break; break;