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/*
* 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.
*/
#include "base/list.h"
void list_remove(ListNode *node)
{
if (node->prev)
node->prev->next = node->next;
if (node->next)
node->next->prev = node->prev;
}
void list_insert_after(ListNode *node, ListNode *after)
{
node->next = after->next;
node->prev = after;
after->next = node;
if (node->next)
node->next->prev = node;
}
void list_insert_before(ListNode *node, ListNode *before)
{
node->prev = before->prev;
node->next = before;
before->prev = node;
if (node->prev)
node->prev->next = node;
}
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