memset(db->settings, 0, sizeof(struct settings*) * settings_num(service));
idset = nmem_malloc(service->nmem, sizeof(*idset));
idset->precedence = 0;
memset(db->settings, 0, sizeof(struct settings*) * settings_num(service));
idset = nmem_malloc(service->nmem, sizeof(*idset));
idset->precedence = 0;