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),
// 1MB buffer
buf: make([]byte, 1024*1024),
uint64buf: make([]byte, 8),
}
}
func (d *decoder) updateCRC(prevCrc uint32) {
d.crc = crc.New(prevCrc, crcTable)
}
