summaryrefslogtreecommitdiff
path: root/src/include/list.h
blob: 084c8f015f88b60188452b4de2f35635a72fe20d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
/*
 * Copyright 2012 Google Inc.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but without any warranty; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef __BASE_LIST_H__
#define __BASE_LIST_H__

#include <stddef.h>
#include <stdint.h>

#include "base/container_of.h"

typedef struct ListNode {
	struct ListNode *next;
	struct ListNode *prev;
} ListNode;

// Remove ListNode node from the doubly linked list it's a part of.
void list_remove(ListNode *node);
// Insert ListNode node after ListNode after in a doubly linked list.
void list_insert_after(ListNode *node, ListNode *after);
// Insert ListNode node before ListNode before in a doubly linked list.
void list_insert_before(ListNode *node, ListNode *before);

#define list_for_each(ptr, head, member)                                \
	for ((ptr) = container_of((head).next, typeof(*(ptr)), member); \
		&((ptr)->member);                                       \
		(ptr) = container_of((ptr)->member.next,                \
			typeof(*(ptr)), member))

#endif /* __BASE_LIST_H__ */