liblist-c

C type-agnostic linked-list library
git clone https://git.sinitax.com/sinitax/liblist-c
Log | Files | Refs | LICENSE | sfeed.txt
commit efac3865ae725607eac0280be984b614c1ea2f88
parent e7393433f3699126f4453d973129305300333581
Author: Louis Burda <quent.burda@gmail.com>
Date:   Sat, 12 Feb 2022 15:10:49 +0100

Allow negative tail offsets for list_at

Diffstat:

Msrc/list.c | 5++++-


1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/list.c b/src/list.c
@@ -96,7 +96,10 @@ list_at(struct list *list, int n)
 {
 	ASSERT(list != NULL);
 
-	return link_iter(list->head.next, n);
+	if (n >= 0)
+		return link_iter_fwd(list->head.next, n);
+	else
+		return link_iter_bwd(&list->tail, -n);
 }
 
 struct link *