};
#ifndef container_of
-#define container_of(ptr, type, member) ({ \
- const typeof( ((type *)0)->member ) *__mptr = (ptr); \
- (type *)( (char *)__mptr - offsetof(type,member) );})
+#define container_of(_ptr, _type, _member) ({ \
+ const typeof( ((_type *)0)->_member ) *__mptr = (_ptr); \
+ (_type *)( (char *)__mptr - offsetof(_type,_member) );})
#endif
#ifndef offsetof
-#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#define offsetof(_type, _member) ((size_t) &((_type *)0)->_member)
#endif
-#define list_for_each(list, pos) \
- for (pos = (list)->head.next; pos != ((list)->head); pos = pos->next)
+#define list_for_each(_list, _pos) \
+ for (_pos = (_list)->head.next; _pos != ((_list)->head); _pos = _pos->next)
-#define list_entry(ptr, type, member) \
- container_of(ptr, type, member)
+#define list_entry(_ptr, _type, _member, _list) \
+ (&container_of(_ptr, _type, _member)->_member == &((_list)->head) \
+ ? NULL \
+ : container_of(_ptr, _type, _member))
-#define list_for_each_entry(list, pos, member) \
- for (pos = list_entry((list)->head.next, typeof(*pos), member); \
- &pos->member != &(list)->head; \
- pos = list_entry(pos->member.next, typeof(*pos), member))
+#define list_prev_entry(_list, _pos, _member) \
+ list_entry(_pos->_member.prev, typeof(*_pos), _member, _list)
+
+#define list_next_entry(_list, _pos, _member) \
+ list_entry(_pos->_member.next, typeof(*_pos), _member, _list)
+
+#define list_for_each_entry(_list, _pos, _member) \
+ for (_pos = list_entry((_list)->head.next, typeof(*_pos), _member, _list); \
+ _pos; _pos = list_next_entry(_list, _pos, _member))
#define list_for_each_entry_continue(_list, _pos, _member) \
- for (; &_pos->_member != &(_list)->head; \
- _pos = list_entry(_pos->_member.next, typeof(*_pos), _member))
+ for (; _pos; _pos = list_next_entry(_list, _pos, _member))
+
+
+#define STATIC_LIST(_list) static struct list _list = { \
+ .head = { \
+ .next = &_list.head, \
+ .prev = &_list.head \
+ } \
+}
void list_init(struct list *list);
-void list_insert_before(struct list_item *next, struct list_item *new);
-void list_insert_after(struct list_item *prev, struct list_item *new);
+void list_insert_before(struct list_item *next, struct list_item *item);
+void list_insert_after(struct list_item *prev, struct list_item *item);
void list_remove(struct list_item *item);
-static inline void list_add(struct list *list, struct list_item *new)
+static inline void list_add(struct list *list, struct list_item *item)
{
- list_insert_after(&list->head, new);
+ list_insert_after(&list->head, item);
}
-static inline void list_add_tail(struct list *list, struct list_item *new)
+static inline void list_add_tail(struct list *list, struct list_item *item)
{
- list_insert_before(&list->head, new);
+ list_insert_before(&list->head, item);
}
#endif /* _LIST_H */