2 * This file is part of DisOrder.
3 * Copyright (C) 2007 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
27 #include <sys/socket.h>
28 #include <sys/ioctl.h>
30 #include <netinet/in.h>
38 /** @brief Return true if two socket addresses match */
39 int sockaddr_equal(const struct sockaddr
*a
, const struct sockaddr
*b
) {
40 if(a
->sa_family
!= b
->sa_family
)
42 switch(a
->sa_family
) {
44 return ((const struct sockaddr_in
*)a
)->sin_addr
.s_addr
45 == ((const struct sockaddr_in
*)b
)->sin_addr
.s_addr
;
47 return !memcmp(&((const struct sockaddr_in6
*)a
)->sin6_addr
,
48 &((const struct sockaddr_in6
*)b
)->sin6_addr
,
49 sizeof (struct in6_addr
));
51 fatal(0, "unknown address family %d", a
->sa_family
);