diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/compress/flate/inflate.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/compress/flate/inflate.go b/src/compress/flate/inflate.go index 13855d6bc0..42261e9b61 100644 --- a/src/compress/flate/inflate.go +++ b/src/compress/flate/inflate.go @@ -465,6 +465,14 @@ func (f *decompressor) readHuffman() error { return CorruptInputError(f.roffset) } + // As an optimization, we can initialize the min bits to read at a time + // for the HLIT tree to the length of the EOB marker since we know that + // every block must terminate with one. This preserves the property that + // we never read any extra bytes after the end of the DEFLATE stream. + if f.h1.min < f.bits[endBlockMarker] { + f.h1.min = f.bits[endBlockMarker] + } + return nil } |