diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/libinput-util.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/libinput-util.c b/src/libinput-util.c index 38594fa..eeeeca0 100644 --- a/src/libinput-util.c +++ b/src/libinput-util.c @@ -50,6 +50,9 @@ list_init(struct list *list) void list_insert(struct list *list, struct list *elm) { + assert((list->next != NULL && list->prev != NULL) || + !"list->next|prev is NULL, possibly missing list_init()"); + elm->prev = list; elm->next = list->next; list->next = elm; @@ -59,6 +62,9 @@ list_insert(struct list *list, struct list *elm) void list_remove(struct list *elm) { + assert((elm->next != NULL && elm->prev != NULL) || + !"list->next|prev is NULL, possibly missing list_init()"); + elm->prev->next = elm->next; elm->next->prev = elm->prev; elm->next = NULL; @@ -68,6 +74,9 @@ list_remove(struct list *elm) bool list_empty(const struct list *list) { + assert((list->next != NULL && list->prev != NULL) || + !"list->next|prev is NULL, possibly missing list_init()"); + return list->next == list; } |