9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
44 	struct asr_query *as;  in res_search_async()  local
49 	as = _res_search_async_ctx(name, class, type, ac);  in res_search_async()
52 	return (as);  in res_search_async()
59 	struct asr_query	*as;  in _res_search_async_ctx()  local
64 	if ((as = _asr_async_new(ac, ASR_SEARCH)) == NULL)  in _res_search_async_ctx()
66 	as->as_run  = res_search_async_run;  in _res_search_async_ctx()
67 	if ((as->as.search.name = strdup(name)) == NULL)  in _res_search_async_ctx()
70 	as->as.search.class = class;  in _res_search_async_ctx()
71 	as->as.search.type = type;  in _res_search_async_ctx()
73 	return (as);  in _res_search_async_ctx()
75 	if (as)  in _res_search_async_ctx()
76 		_asr_async_free(as);  in _res_search_async_ctx()
83 res_search_async_run(struct asr_query *as, struct asr_result *ar)  in res_search_async_run()  argument
89 	switch (as->as_state) {  in res_search_async_run()
93 		if (as->as.search.name[0] == '\0') {  in res_search_async_run()
95 			async_set_state(as, ASR_STATE_HALT);  in res_search_async_run()
99 		as->as.search.saved_h_errno = HERRNO_UNSET;  in res_search_async_run()
100 		async_set_state(as, ASR_STATE_NEXT_DOMAIN);  in res_search_async_run()
108 		as->as_dom_flags = 0;  in res_search_async_run()
110 		r = _asr_iter_domain(as, as->as.search.name, fqdn, sizeof(fqdn));  in res_search_async_run()
112 			async_set_state(as, ASR_STATE_NOT_FOUND);  in res_search_async_run()
120 			async_set_state(as, ASR_STATE_HALT);  in res_search_async_run()
123 		as->as_subq = _res_query_async_ctx(fqdn,  in res_search_async_run()
124 		    as->as.search.class, as->as.search.type, as->as_ctx);  in res_search_async_run()
125 		if (as->as_subq == NULL) {  in res_search_async_run()
133 			async_set_state(as, ASR_STATE_HALT);  in res_search_async_run()
136 		async_set_state(as, ASR_STATE_SUBQUERY);  in res_search_async_run()
141 		if ((r = asr_run(as->as_subq, ar)) == ASYNC_COND)  in res_search_async_run()
143 		as->as_subq = NULL;  in res_search_async_run()
146 			async_set_state(as, ASR_STATE_HALT);  in res_search_async_run()
158 			async_set_state(as, ASR_STATE_HALT);  in res_search_async_run()
167 		if (as->as_dom_flags & ASYNC_DOM_NDOTS)  in res_search_async_run()
168 			as->as.search.saved_h_errno = ar->ar_h_errno;  in res_search_async_run()
170 		if (as->as_dom_flags & ASYNC_DOM_DOMAIN) {  in res_search_async_run()
172 				as->as_flags |= ASYNC_NODATA;  in res_search_async_run()
174 				as->as_flags |= ASYNC_AGAIN;  in res_search_async_run()
177 		async_set_state(as, ASR_STATE_NEXT_DOMAIN);  in res_search_async_run()
182 		if (as->as.search.saved_h_errno != HERRNO_UNSET)  in res_search_async_run()
183 			ar->ar_h_errno = as->as.search.saved_h_errno;  in res_search_async_run()
184 		else if (as->as_flags & ASYNC_NODATA)  in res_search_async_run()
186 		else if (as->as_flags & ASYNC_AGAIN)  in res_search_async_run()
194 		async_set_state(as, ASR_STATE_HALT);  in res_search_async_run()
204 		async_set_state(as, ASR_STATE_HALT);  in res_search_async_run()
236  * This function works as a generator that constructs complete domains in
246 _asr_iter_domain(struct asr_query *as, const char *name, char * buf, size_t len)  in _asr_iter_domain()  argument
251 	switch (as->as_dom_step) {  in _asr_iter_domain()
262 			as->as_dom_flags |= ASYNC_DOM_FQDN;  in _asr_iter_domain()
263 			as->as_dom_step = DOM_DONE;  in _asr_iter_domain()
270 		as->as_dom_step = DOM_DOMAIN;  in _asr_iter_domain()
271 		as->as_dom_idx = 0;  in _asr_iter_domain()
274 		 * If "name" as enough dots, use it as-is first, as indicated  in _asr_iter_domain()
280 		if (dots >= as->as_ctx->ac_ndots) {  in _asr_iter_domain()
282 			as->as_dom_flags |= ASYNC_DOM_NDOTS;  in _asr_iter_domain()
291 		if (as->as_dom_idx < as->as_ctx->ac_domcount &&  in _asr_iter_domain()
292 		    (as->as_ctx->ac_options & RES_DNSRCH || (  in _asr_iter_domain()
293 			as->as_ctx->ac_options & RES_DEFNAMES &&  in _asr_iter_domain()
294 			as->as_dom_idx == 0 &&  in _asr_iter_domain()
297 			    name, as->as_ctx->ac_dom[as->as_dom_idx]);  in _asr_iter_domain()
298 			as->as_dom_flags |= ASYNC_DOM_DOMAIN;  in _asr_iter_domain()
300 			    as->as_ctx->ac_dom[as->as_dom_idx++], buf, len));  in _asr_iter_domain()
305 		as->as_dom_step = DOM_DONE;  in _asr_iter_domain()
308 		 * If the name was not tried as an absolute name before,  in _asr_iter_domain()
311 		if (!(as->as_dom_flags & ASYNC_DOM_NDOTS)) {  in _asr_iter_domain()
312 			DPRINT("asr: iter_domain(\"%s\") as is\n", name);  in _asr_iter_domain()
313 			as->as_dom_flags |= ASYNC_DOM_ASIS;  in _asr_iter_domain()