Method getfield

scapy/fields.py:1077–1079

(self, pkt, s)

        return s + struct.pack(self.fmt, self.i2m(pkt, val))[1:4]

    def getfield(self, pkt, s):
        # type: (Packet, bytes) -> Tuple[bytes, int]
        return s[3:], self.m2i(pkt, struct.unpack(self.fmt, b"\x00" + s[:3])[0])  # noqa: E501


class X3BytesField(ThreeBytesField, XByteField):