Method readVarUint32Slow

go/fory/buffer.go:1372–1400

Slow path reading (processing byte by byte)

(err *Error)

// Slow path reading (processing byte by byte)
func (b *ByteBuffer) readVarUint32Slow(err *Error) uint32 {
	var result uint32
	var shift uint
	for {
		if b.readerIndex >= len(b.data) {
			if !b.fill(1, err) {
				return 0
			}
		}
		byteVal := b.data[b.readerIndex]
		b.readerIndex++
		if shift == 28 && byteVal > 0x0F {
			if err != nil {
				*err = DeserializationError("VarUint32 overflow")
			}
			return 0
		}
		result |= (uint32(byteVal) & 0x7F) << shift
		if byteVal < 0x80 {
			break
		}
		shift += 7
		if shift >= 35 {
			*err = DeserializationError("VarUint32 overflow")
			return 0
		}
	}
	return result
}

func (b *ByteBuffer) PutUint8(writerIndex int, value uint8) {
	b.data[writerIndex] = byte(value)