if (mark_seen(p, seen_p) && !still_interesting)
                                extra--;
                        p->object.flags |= flags;
-                       insert_by_date(p, list_p);
+                       commit_list_insert_by_date(p, list_p);
                }
        }
 
                 */
                commit->object.flags |= flag;
                if (commit->object.flags == flag)
-                       insert_by_date(commit, &list);
+                       commit_list_insert_by_date(commit, &list);
                rev[num_rev] = commit;
        }
        for (i = 0; i < num_rev; i++)
        if (0 <= extra)
                join_revs(&list, &seen, num_rev, extra);
 
-       sort_by_date(&seen);
+       commit_list_sort_by_date(&seen);
 
        if (merge_base)
                return show_merge_base(seen, num_rev);