fix possible nil

This commit is contained in:
Chris Lu 2020-01-08 08:49:18 -08:00
parent 9995d3bcb5
commit 943f4986ef

View file

@ -69,6 +69,9 @@ func (t *TTL) ToBytes(output []byte) {
}
func (t *TTL) ToUint32() (output uint32) {
if t == nil || t.Count == 0 {
return 0
}
output = uint32(t.Count) << 8
output += uint32(t.Unit)
return output