release/src/router/minidlna/getifaddr.h

   1 /* MiniUPnP project
   2  * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
   3  *
   4  * Copyright (c) 2006, Thomas Bernard
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are met:
   9  *     * Redistributions of source code must retain the above copyright
  10  *       notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above copyright
  12  *       notice, this list of conditions and the following disclaimer in the
  13  *       documentation and/or other materials provided with the distribution.
  14  *     * The name of the author may not be used to endorse or promote products
  15  *       derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  21  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  27  * POSSIBILITY OF SUCH DAMAGE.
  28  */
  29 #ifndef __GETIFADDR_H__
  30 #define __GETIFADDR_H__
  31 #include <arpa/inet.h>
  32
  33 #define MACADDR_IS_ZERO(x) \
  34   ((x[0] == 0x00) && \
  35    (x[1] == 0x00) && \
  36    (x[2] == 0x00) && \
  37    (x[3] == 0x00) && \
  38    (x[4] == 0x00) && \
  39    (x[5] == 0x00))
  40
  41 /* getifaddr()
  42  * take a network interface name and write the
  43  * ip v4 address as text in the buffer
  44  * returns: 0 success, -1 failure */
  45 int
  46 getifaddr(const char * ifname, char * buf, int len);
  47
  48 int
  49 getsysaddr(char * buf, int len);
  50
  51 int
  52 getsyshwaddr(char * buf, int len);
  53
  54 int
  55 get_remote_mac(struct in_addr ip_addr, unsigned char * mac);
  56
  57 #endif
  58