472 	ns_mod		 mod;  in nss_load_module()  local
475 	memset(&mod, 0, sizeof(mod));  in nss_load_module()
476 	mod.name = strdup(source);  in nss_load_module()
477 	if (mod.name == NULL) {  in nss_load_module()
485 		mod.handle = nss_builtin_handle;  in nss_load_module()
490 		if (snprintf(buf, sizeof(buf), "nss_%s.so.%d", mod.name,  in nss_load_module()
493 		mod.handle = libc_dlopen(buf, RTLD_LOCAL|RTLD_LAZY);  in nss_load_module()
494 		if (mod.handle == NULL) {  in nss_load_module()
499 			nss_log(LOG_DEBUG, "%s, %s", mod.name, dlerror());  in nss_load_module()
503 		fn = (nss_module_register_fn)dlfunc(mod.handle,  in nss_load_module()
506 			(void)dlclose(mod.handle);  in nss_load_module()
507 			mod.handle = NULL;  in nss_load_module()
508 			nss_log(LOG_ERR, "%s, %s", mod.name, dlerror());  in nss_load_module()
512 	mod.mtab = fn(mod.name, &mod.mtabsize, &mod.unregister);  in nss_load_module()
513 	if (mod.mtab == NULL || mod.mtabsize == 0) {  in nss_load_module()
514 		if (mod.handle != nss_builtin_handle)  in nss_load_module()
515 			(void)dlclose(mod.handle);  in nss_load_module()
516 		mod.handle = NULL;  in nss_load_module()
517 		nss_log(LOG_ERR, "%s, registration failed", mod.name);  in nss_load_module()
520 	if (mod.mtabsize > 1)  in nss_load_module()
521 		qsort(mod.mtab, mod.mtabsize, sizeof(mod.mtab[0]),  in nss_load_module()
524 	_nsmod = vector_append(&mod, _nsmod, &_nsmodsize, sizeof(*_nsmod));  in nss_load_module()
531 ns_mod_free(ns_mod *mod)  in ns_mod_free()  argument
534 	free(mod->name);  in ns_mod_free()
535 	if (mod->handle == NULL)  in ns_mod_free()
537 	if (mod->unregister != NULL)  in ns_mod_free()
538 		mod->unregister(mod->mtab, mod->mtabsize);  in ns_mod_free()
539 	if (mod->handle != nss_builtin_handle)  in ns_mod_free()
540 		(void)dlclose(mod->handle);  in ns_mod_free()
573 	ns_mod	*mod;  in nss_method_lookup()  local
583 	mod = vector_search(&source, _nsmod, _nsmodsize, sizeof(*_nsmod),  in nss_method_lookup()
585 	if (mod != NULL && mod->handle != NULL) {  in nss_method_lookup()
588 		match = bsearch(&key, mod->mtab, mod->mtabsize,  in nss_method_lookup()
589 		    sizeof(mod->mtab[0]), mtab_compare);  in nss_method_lookup()