mirror of
https://github.com/OpenVPN/openvpn.git
synced 2024-09-20 12:02:28 +02:00
6fbf66fad3
It includes the --topology feature, and TAP-Win32 driver changes to allow non-admin access. git-svn-id: http://svn.openvpn.net/projects/openvpn/branches/BETA21/openvpn@580 e7ae566f-a301-0410-adde-c780ea21d3b5
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/*
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* OpenVPN -- An application to securely tunnel IP networks
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* over a single UDP port, with support for SSL/TLS-based
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* session authentication and key exchange,
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* packet encryption, packet authentication, and
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* packet compression.
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*
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* Copyright (C) 2002-2005 OpenVPN Solutions LLC <info@openvpn.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program 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 (see the file COPYING included with this
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* distribution); if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef CIRC_LIST_H
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#define CIRC_LIST_H
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#include "basic.h"
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#include "integer.h"
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#include "error.h"
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#define CIRC_LIST(name, type) \
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struct name { \
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int x_head; \
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int x_size; \
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int x_cap; \
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int x_sizeof; \
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type x_list[EMPTY_ARRAY_SIZE]; \
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}
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#define CIRC_LIST_PUSH(obj, item) \
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{ \
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(obj)->x_head = modulo_add ((obj)->x_head, -1, (obj)->x_cap); \
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(obj)->x_list[(obj)->x_head] = (item); \
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(obj)->x_size = min_int ((obj)->x_size + 1, (obj)->x_cap); \
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}
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#define CIRC_LIST_SIZE(obj) \
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((obj)->x_size)
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#define CIRC_LIST_INDEX(obj, index) \
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modulo_add ((obj)->x_head, \
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index_verify ((index), (obj)->x_size, __FILE__, __LINE__), \
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(obj)->x_cap)
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#define CIRC_LIST_ITEM(obj, index) \
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((obj)->x_list[CIRC_LIST_INDEX((obj), (index))])
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#define CIRC_LIST_RESET(obj) \
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{ \
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(obj)->x_head = 0; \
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(obj)->x_size = 0; \
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}
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#define CIRC_LIST_ALLOC(dest, list_type, size) \
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{ \
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const int so = sizeof (list_type) + sizeof ((dest)->x_list[0]) * (size); \
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(dest) = (list_type *) malloc (so); \
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check_malloc_return (dest); \
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memset ((dest), 0, so); \
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(dest)->x_cap = size; \
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(dest)->x_sizeof = so; \
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}
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#define CIRC_LIST_FREE(dest) \
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free (dest)
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#endif
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