chiark / gitweb /
Shun time(), since on Linux it is not monotonic with gettimeofday().
[disorder] / lib / ifreq.c
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1/*
2 * This file is part of DisOrder.
5aff007d 3 * Copyright (C) 2007, 2008 Richard Kettlewell
81b1bf12 4 *
e7eb3a27 5 * This program is free software: you can redistribute it and/or modify
81b1bf12 6 * it under the terms of the GNU General Public License as published by
e7eb3a27 7 * the Free Software Foundation, either version 3 of the License, or
81b1bf12 8 * (at your option) any later version.
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9 *
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.
14 *
81b1bf12 15 * You should have received a copy of the GNU General Public License
e7eb3a27 16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
81b1bf12 17 */
717ba987 18/** @file lib/ifreq.c
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19 * @brief Network interface support
20 */
21
05b75f8d 22#include "common.h"
81b1bf12 23
d76cf88c 24#include <sys/socket.h>
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25#include <sys/ioctl.h>
26#include <net/if.h>
27#include <netinet/in.h>
28#include <errno.h>
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29
30#include "ifreq.h"
31#include "mem.h"
32#include "log.h"
33
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34/** @brief Return true if two socket addresses match */
35int sockaddr_equal(const struct sockaddr *a, const struct sockaddr *b) {
36 if(a->sa_family != b->sa_family)
37 return 0;
38 switch(a->sa_family) {
39 case AF_INET:
40 return ((const struct sockaddr_in *)a)->sin_addr.s_addr
41 == ((const struct sockaddr_in *)b)->sin_addr.s_addr;
42 case AF_INET6:
43 return !memcmp(&((const struct sockaddr_in6 *)a)->sin6_addr,
44 &((const struct sockaddr_in6 *)b)->sin6_addr,
45 sizeof (struct in6_addr));
46 default:
47 fatal(0, "unknown address family %d", a->sa_family);
48 }
49}
50
51/*
52Local Variables:
53c-basic-offset:2
54comment-column:40
55fill-column:79
56indent-tabs-mode:nil
57End:
58*/