blob: 06d422d30eb5c3c3d76e09bed3ed761847b4b1dd (
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.
* Copyright 2018-present Facebook, Inc.
*
* Taken from depthcharge: src/base/list.c
*
* 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.
*/
#include <list.h>
void list_remove(struct list_node *node)
{
if (node->prev)
node->prev->next = node->next;
if (node->next)
node->next->prev = node->prev;
}
void list_insert_after(struct list_node *node, struct list_node *after)
{
node->next = after->next;
node->prev = after;
after->next = node;
if (node->next)
node->next->prev = node;
}
void list_insert_before(struct list_node *node, struct list_node *before)
{
node->prev = before->prev;
node->next = before;
before->prev = node;
if (node->prev)
node->prev->next = node;
}
|
