/*
* Tries to match the host name (which must be in all lowercase) against the
* comma-separated sequence of subpatterns (each possibly preceded by ! to
- * indicate negation). Returns true if there is a positive match; zero
- * otherwise.
+ * indicate negation). Returns -1 if negation matches, 1 if there is
+ * a positive match, 0 if there is no match at all.
*/
int match_hostname(const char *host, const char *pattern, unsigned int len);