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-rw-r--r--src/llist.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/llist.c b/src/llist.c
index a85cfa9..e560408 100644
--- a/src/llist.c
+++ b/src/llist.c
@@ -99,7 +99,10 @@ llist_nth (llist_t *l, int n)
{
llist_item_t *i;
- for (i = l->head; i && n > 0; n--)
+ if (n < 0)
+ return NULL;
+
+ for (i = l->head; i && n != 0; n--)
i = i->next;
return i;
@@ -267,6 +270,9 @@ llist_find_nth (llist_t *l, int n, long data, llist_fn_match_t fn_match)
{
llist_item_t *i;
+ if (n < 0)
+ return NULL;
+
for (i = l->head; i; i = i->next)
{
if (fn_match (i->data, data) && (n-- == 0))