dns-domain: re-introduce dns_name_is_empty()

2022-01-24 06:06:59 +09:00
parent 7c0601102a
commit 7bdf419830
1 changed files with 4 additions and 0 deletions
@@ -60,6 +60,10 @@ static inline int dns_name_is_valid_ldh(const char *s) {
        return 1;
 }

+static inline bool dns_name_is_empty(const char *s) {
+        return isempty(s) || streq(s, ".");
+}
+
 void dns_name_hash_func(const char *s, struct siphash *state);
 int dns_name_compare_func(const char *a, const char *b);
 extern const struct hash_ops dns_name_hash_ops;