function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
$update_pcat = true) {
+ /* Labels are no currently supported */
+
+ if ($feed_id < 0) {
+ return -1;
+ }
+
$prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
if (!$is_cat) {