release/src/router/openvpn/tap-win32/endian.h

   1 /*
   2  *  TAP-Win32/TAP-Win64 -- A kernel driver to provide virtual tap
   3  *                         device functionality on Windows.
   4  *
   5  *  This code was inspired by the CIPE-Win32 driver by Damion K. Wilson.
   6  *
   7  *  This source code is Copyright (C) 2002-2009 OpenVPN Technologies, Inc.,
   8  *  and is released under the GPL version 2 (see below), however due
   9  *  to the extra costs of supporting Windows Vista, OpenVPN Solutions
  10  *  LLC reserves the right to change the terms of the TAP-Win32/TAP-Win64
  11  *  license for versions 9.1 and higher prior to the official release of
  12  *  OpenVPN 2.1.
  13  *
  14  *  This program is free software; you can redistribute it and/or modify
  15  *  it under the terms of the GNU General Public License version 2
  16  *  as published by the Free Software Foundation.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License
  24  *  along with this program (see the file COPYING included with this
  25  *  distribution); if not, write to the Free Software Foundation, Inc.,
  26  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  27  */
  28
  29 #ifdef TAP_LITTLE_ENDIAN
  30 #define ntohs(x) RtlUshortByteSwap(x)
  31 #define htons(x) RtlUshortByteSwap(x)
  32 #define ntohl(x) RtlUlongByteSwap(x)
  33 #define htonl(x) RtlUlongByteSwap(x)
  34 #else
  35 #define ntohs(x) ((USHORT)(x))
  36 #define htons(x) ((USHORT)(x))
  37 #define ntohl(x) ((ULONG)(x))
  38 #define htonl(x) ((ULONG)(x))
  39 #endif