diff options
Diffstat (limited to 'src/linkedlist.h')
| -rw-r--r-- | src/linkedlist.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/linkedlist.h b/src/linkedlist.h index fc1b8db..a056093 100644 --- a/src/linkedlist.h +++ b/src/linkedlist.h @@ -57,6 +57,14 @@ void __list_add(struct list_head *new, struct list_head *next); void prefetch(const void *x); +/* Return the last element in the list. */ +#define list_last(last, head, member) \ +{ \ + last = list_entry((head)->prev, typeof(*last), member); \ + if (&last->member == (head)) \ + last = NULL; \ +} + /** * container_of - cast a member of a structure out to the containing structure @@ -180,3 +188,4 @@ void prefetch(const void *x); if (&first->member == (head)) \ first = NULL; \ } + |