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 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU 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, see <http://www.gnu.org/licenses/>.
19 * @brief Network interface support
24 #include <sys/socket.h>
25 #include <sys/ioctl.h>
27 #include <netinet/in.h>
34 /** @brief Return true if two socket addresses match */
35 int sockaddr_equal(const struct sockaddr *a, const struct sockaddr *b) {
36 if(a->sa_family != b->sa_family)
38 switch(a->sa_family) {
40 return ((const struct sockaddr_in *)a)->sin_addr.s_addr
41 == ((const struct sockaddr_in *)b)->sin_addr.s_addr;
43 return !memcmp(&((const struct sockaddr_in6 *)a)->sin6_addr,
44 &((const struct sockaddr_in6 *)b)->sin6_addr,
45 sizeof (struct in6_addr));
47 disorder_fatal(0, "unknown address family %d", a->sa_family);