diff options
Diffstat (limited to 'util_double_list.h')
| -rw-r--r-- | util_double_list.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/util_double_list.h b/util_double_list.h index 27e0761b..5d01f52d 100644 --- a/util_double_list.h +++ b/util_double_list.h @@ -98,6 +98,12 @@ static inline void list_delinit(struct list_head *item) #define LIST_ENTRY(__type, __item, __field) \ ((__type *)(((char *)(__item)) - offsetof(__type, __field))) +#define LIST_FIRST_ENTRY(__ptr, __type, __field) \ + LIST_ENTRY(__type, (__ptr)->next, __field) + +#define LIST_LAST_ENTRY(__ptr, __type, __field) \ + LIST_ENTRY(__type, (__ptr)->prev, __field) + #define LIST_IS_EMPTY(__list) \ ((__list)->next == (__list)) |