Method readVarUint64Slow

go/fory/buffer.go:1228–1253

Slow path (read byte by byte)

(err *Error)

// Slow path (read byte by byte)
func (b *ByteBuffer) readVarUint64Slow(err *Error) uint64 {
	var result uint64
	var shift uint
	for i := 0; i < 8; i++ {
		if b.readerIndex >= len(b.data) {
			if !b.fill(1, err) {
				return 0
			}
		}
		byteVal := b.data[b.readerIndex]
		b.readerIndex++
		result |= (uint64(byteVal) & 0x7F) << shift
		if byteVal < 0x80 {
			return result
		}
		shift += 7
	}
	if b.readerIndex >= len(b.data) {
		if !b.fill(1, err) {
			return 0
		}
	}
	byteVal := b.data[b.readerIndex]
	b.readerIndex++
	return result | (uint64(byteVal) << 56)
}

// Auxiliary function
func (b *ByteBuffer) remaining() int {