84  * Check a single label.  If allow_wildcard is true, and the presented name
86  * Otherwise, for both the presented and expected values, do a case-insensitive
91 label_match(const char *presented, size_t plen, const char *expected,  in label_match()  argument
96     if (allow_wildcard && plen == 1 && presented[0] == '*') {  in label_match()
105         if (ascii_tolower(presented[i]) != ascii_tolower(expected[i]))  in label_match()
113 domain_match(const char *presented, size_t plen, const char *expected)  in domain_match()  argument
120     p = presented;  in domain_match()
122     while (p < presented + plen && *r != '\0') {  in domain_match()
123         q = memchr(p, '.', plen - (p - presented));  in domain_match()
125             q = presented + plen;  in domain_match()
129         p = q < presented + plen ? q + 1 : q;  in domain_match()
135     if (p == presented + plen && *r == '\0')  in domain_match()