diff options
| -rw-r--r-- | include/ouroboros/list.h | 3 | ||||
| -rw-r--r-- | src/lib/list.c | 11 |
2 files changed, 14 insertions, 0 deletions
diff --git a/include/ouroboros/list.h b/include/ouroboros/list.h index 824e6684..5f246775 100644 --- a/include/ouroboros/list.h +++ b/include/ouroboros/list.h @@ -54,6 +54,9 @@ void list_add_tail(struct list_head * e, void list_del(struct list_head * e); +void list_move(struct list_head * dst, + struct list_head * src); + bool list_is_empty(struct list_head * h); #endif diff --git a/src/lib/list.c b/src/lib/list.c index 908d3b71..01fdf6e3 100644 --- a/src/lib/list.c +++ b/src/lib/list.c @@ -70,3 +70,14 @@ bool list_is_empty(struct list_head * h) { return h->nxt == h; } + +void list_move(struct list_head * dst, + struct list_head * src) +{ + dst->nxt = src->nxt; + dst->prv = src->prv; + dst->nxt->prv = src->nxt->prv; + dst->prv->nxt = src->prv->nxt; + + list_head_init(src); +} |