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 fatal(0, "unknown address family %d", a
->sa_family
);