totalStreamsSize := compressedSize
	if (hdr & 3) == 2 {
		// Compressed_Literals_Block.
		// Read new huffman tree.

		if len(r.huffmanTable) < 1<<maxHuffmanBits {
			r.huffmanTable = make([]uint16, 1<<maxHuffmanBits)
		}

		huffmanTableBits, hoff, err := r.readHuff(data, off, r.huffmanTable)
		if err != nil {
			return 0, nil, err
		}
		r.huffmanTableBits = huffmanTableBits

		if totalStreamsSize < hoff-off {