+ /* Now convert the id_pair array over to mapped uid/gid values. */
+ if (am_root && preserve_uid && !numeric_ids) {
+ for (i = 0; i < pair_cnt; i++)
+ pair_list[i].uid = match_uid(pair_list[i].uid);
+ }
+ if (preserve_gid && (!am_root || !numeric_ids)) {
+ for (i = 0; i < pair_cnt; i++)
+ pair_list[i].gid = match_gid(pair_list[i].gid);
+ }
+}
+
+struct id_pair *id_pair(uid_t uid, gid_t gid)
+{
+ static int j = 0;
+
+ if (pair_cnt) {
+ int start = j;
+ /* We start our search where we left off because
+ * the IDs usually come in clumps. */
+ do {
+ if (uid == pair_list[j].uid && gid == pair_list[j].gid)
+ return pair_list + j;
+ if (++j == pair_cnt)
+ j = 0;
+ } while (j != start);
+ }