484 	ns_mod		 mod;  in nss_load_module()  local
487 	memset(&mod, 0, sizeof(mod));  in nss_load_module()
488 	mod.name = strdup(source);  in nss_load_module()
489 	if (mod.name == NULL) {  in nss_load_module()
497 		mod.handle = nss_builtin_handle;  in nss_load_module()
512 		if (snprintf(buf, sizeof(buf), "nss_%s.so.%d", mod.name,  in nss_load_module()
515 		mod.handle = libc_dlopen(buf, RTLD_LOCAL|RTLD_LAZY);  in nss_load_module()
516 		if (mod.handle == NULL) {  in nss_load_module()
521 			nss_log(LOG_DEBUG, "%s, %s", mod.name, dlerror());  in nss_load_module()
525 		fn = (nss_module_register_fn)dlfunc(mod.handle,  in nss_load_module()
528 			(void)dlclose(mod.handle);  in nss_load_module()
529 			mod.handle = NULL;  in nss_load_module()
530 			nss_log(LOG_ERR, "%s, %s", mod.name, dlerror());  in nss_load_module()
534 	mod.mtab = fn(mod.name, &mod.mtabsize, &mod.unregister);  in nss_load_module()
535 	if (mod.mtab == NULL || mod.mtabsize == 0) {  in nss_load_module()
536 		if (mod.handle != nss_builtin_handle)  in nss_load_module()
537 			(void)dlclose(mod.handle);  in nss_load_module()
538 		mod.handle = NULL;  in nss_load_module()
539 		nss_log(LOG_ERR, "%s, registration failed", mod.name);  in nss_load_module()
542 	if (mod.mtabsize > 1)  in nss_load_module()
543 		qsort(mod.mtab, mod.mtabsize, sizeof(mod.mtab[0]),  in nss_load_module()
546 	_nsmod = vector_append(&mod, _nsmod, &_nsmodsize, sizeof(*_nsmod));  in nss_load_module()
553 ns_mod_free(ns_mod *mod)  in ns_mod_free()  argument
556 	free(mod->name);  in ns_mod_free()
557 	if (mod->handle == NULL)  in ns_mod_free()
559 	if (mod->unregister != NULL)  in ns_mod_free()
560 		mod->unregister(mod->mtab, mod->mtabsize);  in ns_mod_free()
561 	if (mod->handle != nss_builtin_handle && !exiting)  in ns_mod_free()
562 		(void)dlclose(mod->handle);  in ns_mod_free()
592 	ns_mod	*mod;  in nss_method_lookup()  local
602 	mod = vector_search(&source, _nsmod, _nsmodsize, sizeof(*_nsmod),  in nss_method_lookup()
604 	if (mod != NULL && mod->handle != NULL) {  in nss_method_lookup()
607 		match = bsearch(&key, mod->mtab, mod->mtabsize,  in nss_method_lookup()
608 		    sizeof(mod->mtab[0]), mtab_compare);  in nss_method_lookup()