12 #ifndef NETLINK_LIST_H_ 13 #define NETLINK_LIST_H_ 22 static inline void __nl_list_add(
struct nl_list_head *obj,
32 static inline void nl_list_add_tail(
struct nl_list_head *obj,
35 __nl_list_add(obj, head->prev, head);
38 static inline void nl_list_add_head(
struct nl_list_head *obj,
41 __nl_list_add(obj, head, head->next);
46 obj->next->prev = obj->prev;
47 obj->prev->next = obj->next;
50 static inline int nl_list_empty(
struct nl_list_head *head)
52 return head->next == head;
55 #define nl_container_of(ptr, type, member) ({ \ 56 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 57 (type *)( (char *)__mptr - ((size_t) &((type *)0)->member));}) 59 #define nl_list_entry(ptr, type, member) \ 60 nl_container_of(ptr, type, member) 62 #define nl_list_at_tail(pos, head, member) \ 63 ((pos)->member.next == (head)) 65 #define nl_list_at_head(pos, head, member) \ 66 ((pos)->member.prev == (head)) 68 #define NL_LIST_HEAD(name) \ 69 struct nl_list_head name = { &(name), &(name) } 71 #define nl_list_for_each_entry(pos, head, member) \ 72 for (pos = nl_list_entry((head)->next, typeof(*pos), member); \ 73 &(pos)->member != (head); \ 74 (pos) = nl_list_entry((pos)->member.next, typeof(*(pos)), member)) 76 #define nl_list_for_each_entry_safe(pos, n, head, member) \ 77 for (pos = nl_list_entry((head)->next, typeof(*pos), member), \ 78 n = nl_list_entry(pos->member.next, typeof(*pos), member); \ 79 &(pos)->member != (head); \ 80 pos = n, n = nl_list_entry(n->member.next, typeof(*n), member)) 82 #define nl_init_list_head(head) \ 83 do { (head)->next = (head); (head)->prev = (head); } while (0)