release/src/router/openvpn/basic.h

   1 /*
   2  *  OpenVPN -- An application to securely tunnel IP networks
   3  *             over a single UDP port, with support for SSL/TLS-based
   4  *             session authentication and key exchange,
   5  *             packet encryption, packet authentication, and
   6  *             packet compression.
   7  *
   8  *  Copyright (C) 2002-2009 OpenVPN Technologies, Inc. <sales@openvpn.net>
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License version 2
  12  *  as published by the Free Software Foundation.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program (see the file COPYING included with this
  21  *  distribution); if not, write to the Free Software Foundation, Inc.,
  22  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24
  25 #ifndef BASIC_H
  26 #define BASIC_H
  27
  28 /* bool definitions */
  29 #ifndef bool
  30 #define bool int
  31 #endif
  32
  33 #ifndef true
  34 #define true 1
  35 #endif
  36
  37 #ifndef false
  38 #define false 0
  39 #endif
  40
  41 #define BOOL_CAST(x) ((x) ? (true) : (false))
  42
  43 /* size of an array */
  44 #define SIZE(x) (sizeof(x)/sizeof(x[0]))
  45
  46 /* clear an object */
  47 #define CLEAR(x) memset(&(x), 0, sizeof(x))
  48
  49 #endif