Function resolvehost

resolve.c:495–550

}

inline struct hostent* resolvehost(char* name, int no_ip_test)
{
	static struct hostent *he = NULL;
#ifdef HAVE_GETIPNODEBYNAME
	int err;
	static struct hostent *he2 = NULL;
#endif
	struct timeval start;
	struct ip_addr *ip;
	str s;

	if (!no_ip_test) {
		s.s = (char *)name;
		s.len = strlen(name);

		/* check if it's an ip address */
		if ((ip = str2ip(&s)) || (ip = str2ip6(&s))) {
			/* we are lucky, this is an ip address */
			return ip_addr2he(&s, ip);
		}
	}

	start_expire_timer(start, execdnsthreshold);

	if (dns_try_ipv6) {
		/* try ipv6 */
	#ifdef HAVE_GETHOSTBYNAME2
		if (dnscache_fetch_func)
	        he = own_gethostbyname2(name,AF_INET6);
		else
			he = gethostbyname2(name, AF_INET6);

	#elif defined HAVE_GETIPNODEBYNAME
		/* on solaris 8 getipnodebyname has a memory leak,
		 * after some time calls to it will fail with err=3
		 * solution: patch your solaris 8 installation */
		if (he2) freehostent(he2);
		he = he2 = getipnodebyname(name, AF_INET6, 0, &err);
	#else
		#error "neither gethostbyname2 or getipnodebyname present"
	#endif
		if (he != 0)
			/* return the inet6 result if exists */
			goto out;
	}

	if (dnscache_fetch_func)
		he = own_gethostbyname2(name,AF_INET);
	else
		he = gethostbyname(name);

out:
	_stop_expire_timer(start, execdnsthreshold, "dns",
	            name, strlen(name), 0, dns_slow_queries, dns_total_queries);
	return he;
}

struct hostent * own_gethostbyaddr(void *addr, socklen_t len, int af)