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54 lines
1.6 KiB
54 lines
1.6 KiB
/*
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* Copyright (C) 2005 iptelorg GmbH
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*
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* This file is part of ser, a free SIP server.
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*
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* ser is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* For a license to use the ser software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* ser is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __LIST_H
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#define __LIST_H
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#define DOUBLE_LINKED_LIST_ADD(first,last,e) do { \
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if (last) last->next = (e); \
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else first = (e); \
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(e)->next = NULL; \
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(e)->prev = last; \
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last = (e); \
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} while (0)
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#define DOUBLE_LINKED_LIST_REMOVE(first,last,e) do { \
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if ((e)->next) (e)->next->prev = (e)->prev; \
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else last = (e)->prev; \
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if ((e)->prev) (e)->prev->next = (e)->next; \
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else first = (e)->next; \
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(e)->next = NULL; \
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(e)->prev = NULL; \
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} while (0)
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#define LINKED_LIST_ADD(first,last,e) do { \
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if (last) last->next = (e); \
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else first = (e); \
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(e)->next = NULL; \
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last = (e); \
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} while (0)
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#endif
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