dllist.h File Reference

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Classes
struct	list_head

Macros
#define	list_entry(ptr, type, member)    ((type *)((char *)(ptr) - (unsigned long)(&((type *)0)->member)))
#define	list_init(head)
#define	list_add(entry, head)
#define	list_del(entry)
#define	list_empty(head)   ((head)->next == head)
#define	list_for_each(ptr, head)    for (ptr = (head)->next; ptr != head; ptr = ptr->next)

Macro Definition Documentation

list_add

#define list_add	(		entry,
			head
	)

Value:

    do {                                        \
        struct list_head *h = head, *e = entry; \
        h->next->prev = e;                      \
        e->next       = h->next;                \
        e->prev       = h;                      \
        h->next       = e;                      \
    } while (0);

list_del

#define list_del

(

entry

)

Value:

    do {                               \
        struct list_head *e = entry;   \
        e->prev->next       = e->next; \
        e->next->prev       = e->prev; \
        e->prev = e->next = e;         \
    } while (0);

list_empty

#define list_empty

(

head

)

((head)->next == head)

list_entry

#define list_entry	(		ptr,
			type,
			member
	)		((type *)((char *)(ptr) - (unsigned long)(&((type *)0)->member)))

list_for_each

#define list_for_each	(		ptr,
			head
	)		for (ptr = (head)->next; ptr != head; ptr = ptr->next)

list_init

#define list_init

(

head

)

Value:

    do {                            \
        struct list_head *h = head; \
        h->prev = h->next = h;      \
    } while (0);