func newDecoder(rc io.ReadCloser) *decoder { return &decoder{ br: bufio.NewReader(rc), c: rc, crc: crc.New(0, crcTable), } }
func newEncoder(w io.Writer, prevCrc uint32) *encoder { return &encoder{ bw: bufio.NewWriter(w), crc: crc.New(prevCrc, crcTable), } }
func (d *decoder) updateCRC(prevCrc uint32) { d.crc = crc.New(prevCrc, crcTable) }