2 * This file is part of DisOrder.
3 * Copyright (C) 2007, 2008 Richard Kettlewell
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
21 * @brief Network interface support
26 #include <sys/socket.h>
27 #include <sys/ioctl.h>
29 #include <netinet/in.h>
36 /** @brief Return true if two socket addresses match */
37 int sockaddr_equal(const struct sockaddr *a, const struct sockaddr *b) {
38 if(a->sa_family != b->sa_family)
40 switch(a->sa_family) {
42 return ((const struct sockaddr_in *)a)->sin_addr.s_addr
43 == ((const struct sockaddr_in *)b)->sin_addr.s_addr;
45 return !memcmp(&((const struct sockaddr_in6 *)a)->sin6_addr,
46 &((const struct sockaddr_in6 *)b)->sin6_addr,
47 sizeof (struct in6_addr));
49 fatal(0, "unknown address family %d", a->sa_family);