- errno = 0;
- ret = getgrnam_r(name, gbufp, buf, len, &gbufp);
- if (ret != 0) {
- *errnop = old_errno;
+
+ if (fct_start == NULL &&
+ __nss_group_lookup(&startp, fct_name, &fct_start) != 0) {
+ free(buf);
+ return NSS_STATUS_UNAVAIL;
+ }
+ nip = startp;
+ fct.ptr = fct_start;
+ do {
+ if (fct.l == _nss_nonlocal_getgrnam_r)
+ status = NSS_STATUS_NOTFOUND;
+ else
+ status = DL_CALL_FCT(fct.l, (name, &gbuf, buf, len, errnop));
+ if (status == NSS_STATUS_TRYAGAIN && *errnop == ERANGE)
+ break;
+ } while (__nss_next(&nip, fct_name, &fct.ptr, status, 0) == 0);
+
+ if (status != NSS_STATUS_SUCCESS)
+ goto get_local_group_done;
+
+ n = snprintf(buffer, buflen, "%s", gbuf.gr_name);
+ if (n < 0 || n >= buflen) {
+ *errnop = ERANGE;