Function decodeLEB128ByteReader

plumbing/format/packfile/patch_delta.go:464–485

(input io.ByteReader)

}

func decodeLEB128ByteReader(input io.ByteReader) (uint, error) {
	var num, sz uint
	for {
		if sz*7 > uintBits-7 {
			return 0, ErrLengthOverflow
		}

		b, err := input.ReadByte()
		if err != nil {
			return 0, err
		}

		num |= (uint(b) & payload) << (sz * 7) // concats 7 bits chunks
		sz++

		if uint(b)&continuation == 0 {
			break
		}
	}

	return num, nil
}

func isCopyFromSrc(cmd byte) bool {
	return (cmd & continuation) != 0