Win32/Src/getaddrinfo.c

219 	/* external reference: pai, error, and label free */ \
220 	(ai) = get_ai(pai, (afd), (addr)); \
237 	/* external reference: pai, error and label free */ \
238 	error = get_canonname(pai, (ai), (str)); \
303 	struct addrinfo *pai;
321 	pai = &ai;
322 	pai->ai_flags = 0;
323 	pai->ai_family = PF_UNSPEC;
324 	pai->ai_socktype = ANY;
325 	pai->ai_protocol = ANY;
326 	pai->ai_addrlen = 0;
327 	pai->ai_canonname = NULL;
328 	pai->ai_addr = NULL;
329 	pai->ai_next = NULL;
350 		memcpy(pai, hints, sizeof(*pai));
356 		if (pai->ai_socktype != ANY && pai->ai_protocol != ANY) {
358 				if (pai->ai_family != ex->e_af)
364 				if (pai->ai_socktype == ex->e_socktype
365 				 && pai->ai_protocol != ex->e_protocol) {
377 	if (MATCH_FAMILY(pai->ai_family, PF_INET, 1)
379 	 || MATCH_FAMILY(pai->ai_family, PF_INET6, 1)
382 		ai0 = *pai;
384 		if (pai->ai_family == PF_UNSPEC) {
386 			pai->ai_family = PF_INET6;
388 			pai->ai_family = PF_INET;
391 		error = get_portmatch(pai, servname);
395 		*pai = ai0;
398 	ai0 = *pai;
402 		*pai = ai0;
404 		if (!MATCH_FAMILY(pai->ai_family, ex->e_af, WILD_AF(ex)))
406 		if (!MATCH(pai->ai_socktype, ex->e_socktype, WILD_SOCKTYPE(ex)))
408 		if (!MATCH(pai->ai_protocol, ex->e_protocol, WILD_PROTOCOL(ex)))
411 		if (pai->ai_family == PF_UNSPEC)
412 			pai->ai_family = ex->e_af;
413 		if (pai->ai_socktype == ANY && ex->e_socktype != ANY)
414 			pai->ai_socktype = ex->e_socktype;
415 		if (pai->ai_protocol == ANY && ex->e_protocol != ANY)
416 			pai->ai_protocol = ex->e_protocol;
419 			error = explore_null(pai, hostname, servname, &cur->ai_next);
421 			error = explore_numeric_scope(pai, hostname, servname, &cur->ai_next);
438 	if (pai->ai_flags & AI_NUMERICHOST)
449 		*pai = ai0;
451 		if (!MATCH_FAMILY(pai->ai_family, afd->a_af, 1))
455 			*pai = ai0;
457 			if (pai->ai_family == PF_UNSPEC)
458 				pai->ai_family = afd->a_af;
460 			if (!MATCH_FAMILY(pai->ai_family, ex->e_af, WILD_AF(ex)))
462 			if (!MATCH(pai->ai_socktype, ex->e_socktype,
466 			if (!MATCH(pai->ai_protocol, ex->e_protocol,
471 			if (pai->ai_family == PF_UNSPEC)
472 				pai->ai_family = ex->e_af;
473 			if (pai->ai_socktype == ANY && ex->e_socktype != ANY)
474 				pai->ai_socktype = ex->e_socktype;
475 			if (pai->ai_protocol == ANY && ex->e_protocol != ANY)
476 				pai->ai_protocol = ex->e_protocol;
478 			error = explore_fqdn(pai, hostname, servname,
512 explore_fqdn(pai, hostname, servname, res)
513 	const struct addrinfo *pai;
544 	if (get_portmatch(pai, servname) != 0)
547 	afd = find_afd(pai->ai_family);
550 	 * post-RFC2553: should look at (pai->ai_flags & AI_ADDRCONFIG)
555 	hp = getipnodebyname(hostname, pai->ai_family, AI_ADDRCONFIG, &h_error);
558 	hp = gethostbyname2(hostname, pai->ai_family);
560 	if (pai->ai_family != AF_INET)
638 		if (af != pai->ai_family)
641 		if ((pai->ai_flags & AI_CANONNAME) == 0) {
656 				ap, pai, servname);
686 explore_null(pai, hostname, servname, res)
687 	const struct addrinfo *pai;
706 	s = socket(pai->ai_family, SOCK_DGRAM, 0);
716 	if (get_portmatch(pai, servname) != 0)
719 	afd = find_afd(pai->ai_family);
721 	if (pai->ai_flags & AI_PASSIVE) {
749 explore_numeric(pai, hostname, servname, res)
750 	const struct addrinfo *pai;
769 	if (get_portmatch(pai, servname) != 0)
772 	afd = find_afd(pai->ai_family);
773 	flags = pai->ai_flags;
799 		if (pai->ai_family == afd->a_af ||
800 		    pai->ai_family == PF_UNSPEC /*?*/) {
816 					pton, pai, servname);
838 explore_numeric_scope(pai, hostname, servname, res)
839 	const struct addrinfo *pai;
845 	return explore_numeric(pai, hostname, servname, res);
857 	if (get_portmatch(pai, servname) != 0)
860 	afd = find_afd(pai->ai_family);
862 		return explore_numeric(pai, hostname, servname, res);
866 		return explore_numeric(pai, hostname, servname, res);
878 	switch (pai->ai_family) {
890 	error = explore_numeric(pai, hostname2, servname, res);
909 get_name(addr, afd, res, numaddr, pai, servname)
914 	const struct addrinfo *pai;
978 get_canonname(pai, ai, str)
979 	const struct addrinfo *pai;
983 	if ((pai->ai_flags & AI_CANONNAME) != 0) {
993 get_ai(pai, afd, addr)
994 	const struct addrinfo *pai;
1006 	memcpy(ai, pai, sizeof(struct addrinfo));