release/src/router/miniupnpd/testgetifaddr.c

   1 /* $Id: testgetifaddr.c,v 1.2 2010/04/07 16:31:21 nanard Exp $ */
   2 /* MiniUPnP project
   3  * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
   4  * (c) 2006-2008 Thomas Bernard
   5  * This software is subject to the conditions detailed
   6  * in the LICENCE file provided within the distribution */
   7 #include <stdio.h>
   8 #include <syslog.h>
   9 #include "getifaddr.h"
  10
  11 int main(int argc, char * * argv) {
  12         char addr[16];
  13         if(argc < 2) {
  14                 fprintf(stderr, "Usage:\t%s interface_name\n", argv[0]);
  15                 return 1;
  16         }
  17         openlog("testgetifaddr", LOG_CONS|LOG_PERROR, LOG_USER);
  18         if(getifaddr(argv[1], addr, sizeof(addr)) < 0) {
  19                 fprintf(stderr, "Cannot get address for interface %s.\n", argv[1]);
  20                 return 1;
  21         }
  22         printf("Interface %s has IP address %s.\n", argv[1], addr);
  23         return 0;
  24 }