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1 | /* |
2 | * This file is part of DisOrder. | |
5aff007d | 3 | * Copyright (C) 2007, 2008 Richard Kettlewell |
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4 | * |
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. | |
9 | * | |
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. | |
14 | * | |
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 | |
18 | * USA | |
19 | */ | |
717ba987 | 20 | /** @file lib/ifreq.c |
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21 | * @brief Network interface support |
22 | */ | |
23 | ||
24 | #include <config.h> | |
25 | #include "types.h" | |
26 | ||
d76cf88c | 27 | #include <sys/socket.h> |
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28 | #include <sys/ioctl.h> |
29 | #include <net/if.h> | |
30 | #include <netinet/in.h> | |
31 | #include <errno.h> | |
32 | #include <string.h> | |
33 | ||
34 | #include "ifreq.h" | |
35 | #include "mem.h" | |
36 | #include "log.h" | |
37 | ||
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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) | |
41 | return 0; | |
42 | switch(a->sa_family) { | |
43 | case AF_INET: | |
44 | return ((const struct sockaddr_in *)a)->sin_addr.s_addr | |
45 | == ((const struct sockaddr_in *)b)->sin_addr.s_addr; | |
46 | case AF_INET6: | |
47 | return !memcmp(&((const struct sockaddr_in6 *)a)->sin6_addr, | |
48 | &((const struct sockaddr_in6 *)b)->sin6_addr, | |
49 | sizeof (struct in6_addr)); | |
50 | default: | |
51 | fatal(0, "unknown address family %d", a->sa_family); | |
52 | } | |
53 | } | |
54 | ||
55 | /* | |
56 | Local Variables: | |
57 | c-basic-offset:2 | |
58 | comment-column:40 | |
59 | fill-column:79 | |
60 | indent-tabs-mode:nil | |
61 | End: | |
62 | */ |