utils llist: Added sdb_llist_get().

[sysdb.git] / src / utils / llist.c

diff --git a/src/utils/llist.c b/src/utils/llist.c
index 0a4665d09296c2387bcf1f369f81f5e751c20fa4..c56cdbda098b581c9d957aeebb7db9c1725ffdf0 100644 (file)
--- a/src/utils/llist.c
+++ b/src/utils/llist.c
@@ -304,6 +304,22 @@ sdb_llist_insert_sorted(sdb_llist_t *list,
        return status;
 } /* sdb_llist_insert_sorted */
 
+sdb_object_t *
+sdb_llist_get(sdb_llist_t *list, size_t i)
+{
+       sdb_llist_elem_t *elem;
+       size_t j;
+
+       if ((! list) || (i >= list->length))
+               return NULL;
+
+       for (elem = list->head, j = 0; j < i; elem = elem->next, ++j)
+               /* iterate */;
+
+       assert(elem);
+       return elem->obj;
+} /* sdb_llist_get */
+
 sdb_object_t *
 sdb_llist_search(sdb_llist_t *list,
                sdb_llist_lookup_cb lookup, const void *user_data)
@@ -458,5 +474,13 @@ sdb_llist_iter_remove_current(sdb_llist_iter_t *iter)
        return 0;
 } /* sdb_llist_iter_remove */
 
+size_t
+sdb_llist_len(sdb_llist_t *list)
+{
+       if (! list)
+               return 0;
+       return list->length;
+} /* sdb_llist_len */
+
 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */