diff options
| author | Philippe Guibert <philippe.guibert@6wind.com> | 2019-03-28 17:59:27 +0100 |
|---|---|---|
| committer | Philippe Guibert <philippe.guibert@6wind.com> | 2019-03-29 15:04:17 +0100 |
| commit | 2fe55afeec519afbe4fac45c0d0b8d4331f623aa (patch) | |
| tree | 3e850f5813a5e5551b5a4a64adf02c2be8be89cf | |
| parent | 3e3708cbd38a8e25c2cf8bede4ea1c86a0911dac (diff) | |
lib: add lookup utility routine that accepts null list values
lists passed as parameter that are null, are accepted by the function.
I would even propose to silently return NULL in official
listnode_lookup() routine.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
| -rw-r--r-- | lib/linklist.c | 7 | ||||
| -rw-r--r-- | lib/linklist.h | 2 |
2 files changed, 9 insertions, 0 deletions
diff --git a/lib/linklist.c b/lib/linklist.c index 3aa7cae8b7..b8d9a47d2a 100644 --- a/lib/linklist.c +++ b/lib/linklist.c @@ -259,6 +259,13 @@ struct listnode *listnode_lookup(struct list *list, void *data) return NULL; } +struct listnode *listnode_lookup_nocheck(struct list *list, void *data) +{ + if (!list) + return NULL; + return listnode_lookup(list, data); +} + void list_delete_node(struct list *list, struct listnode *node) { if (node->prev) diff --git a/lib/linklist.h b/lib/linklist.h index 76fad45d08..aac3179fbb 100644 --- a/lib/linklist.h +++ b/lib/linklist.h @@ -341,6 +341,8 @@ extern void list_add_list(struct list *list, struct list *add); (L)->count--; \ } while (0) +extern struct listnode *listnode_lookup_nocheck(struct list *list, void *data); + #ifdef __cplusplus } #endif |