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kamailio/lib/cds/list.h

54 lines
1.6 KiB

/*
* Copyright (C) 2005 iptelorg GmbH
*
* This file is part of ser, a free SIP server.
*
* ser 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
*
* For a license to use the ser software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* ser 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __LIST_H
#define __LIST_H
#define DOUBLE_LINKED_LIST_ADD(first,last,e) do { \
if (last) last->next = (e); \
else first = (e); \
(e)->next = NULL; \
(e)->prev = last; \
last = (e); \
} while (0)
#define DOUBLE_LINKED_LIST_REMOVE(first,last,e) do { \
if ((e)->next) (e)->next->prev = (e)->prev; \
else last = (e)->prev; \
if ((e)->prev) (e)->prev->next = (e)->next; \
else first = (e)->next; \
(e)->next = NULL; \
(e)->prev = NULL; \
} while (0)
#define LINKED_LIST_ADD(first,last,e) do { \
if (last) last->next = (e); \
else first = (e); \
(e)->next = NULL; \
last = (e); \
} while (0)
#endif