Method Len

dns/dns.go:76–97

Len returns the length of the RData field, based on its type

()

// Len returns the length of the RData field, based on its type
func (s SimpleRecord) Len() uint16 {
	emptyString := s.RData == ""
	switch s.Type {
	case int(dns.TypeA):
		if emptyString {
			return 0
		}
		return net.IPv4len
	case int(dns.TypeCNAME):
		if emptyString || s.RData == "." {
			return 1
		}
		return uint16(len(s.RData) + 1)
	case int(dns.TypeAAAA):
		if emptyString {
			return 0
		}
		return net.IPv6len
	default:
		return 0
	}
}

var invalidHostMatcher = regexp.MustCompile(invalidHostLabel)