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#ifndef foolisthfoo
#define foolisthfoo
struct list_head {
struct list_head *next;
struct list_head *prev;
};
#define LIST_HEAD_INIT(name) { &(name), &(name) }
#define LIST_HEAD(name) struct list_head name = LIST_HEAD_INIT(name)
static inline void list_init(struct list_head *list)
{
list->next = list;
list->prev = list;
}
static inline void list_del(struct list_head *list)
{
list->next->prev = list->prev;
list->prev->next = list->next;
}
static inline void list_add(struct list_head *new, struct list_head *list)
{
list->next->prev = new;
new->next = list->next;
new->prev = list;
list->next = new;
}
static inline void list_replace(struct list_head *old, struct list_head *new)
{
old->prev->next = new;
old->next->prev = new;
new->next = old->next;
new->prev = old->prev;
old->next = old->prev = NULL;
}
static inline bool list_empty(struct list_head *list)
{
return list->next == list;
}
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
#define list_entry(ptr, type, member) \
container_of(ptr, type, member)
#define list_first_entry(ptr, type, member) \
list_entry((ptr)->next, type, member)
#define list_next_entry(pos, member) \
list_entry((pos)->member.next, typeof(*(pos)), member)
#define list_for_each(pos, head) \
for (pos = (head)->next; pos != (head); pos = pos->next)
#define list_for_each_entry(pos, head, member) \
for (pos = list_first_entry(head, typeof(*pos), member); \
&pos->member != (head); \
pos = list_next_entry(pos, member))
#define list_for_each_entry_safe(pos, n, head, member) \
for (pos = list_entry((head)->next, typeof(*pos), member), \
n = list_entry(pos->member.next, typeof(*pos), member); \
&pos->member != (head); \
pos = n, n = list_entry(n->member.next, typeof(*n), member))
#endif
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