1 /* Test listing of network interface addresses.
2 Copyright (C) 2002-2014 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library 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 GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
24 #include <netinet/in.h>
25 #include <arpa/inet.h>
30 addr_string (struct sockaddr *sa, char *buf, size_t size)
35 switch (sa->sa_family)
38 return inet_ntop (AF_INET, &((struct sockaddr_in *) sa)->sin_addr,
41 return inet_ntop (AF_INET6, &((struct sockaddr_in6 *) sa)->sin6_addr,
57 printf ("sa_family=%d %08x\n", sa->sa_family,
58 *(int*)&((struct sockaddr_in *) sa)->sin_addr.s_addr);
59 return "<unexpected sockaddr family>";
67 struct ifaddrs *ifaces, *ifa;
69 if (getifaddrs (&ifaces) < 0)
73 printf ("Couldn't get any interfaces: %s.\n", strerror (errno));
76 /* The function is simply not implemented. */
81 Name Flags Address Netmask Broadcast/Destination");
83 for (ifa = ifaces; ifa != NULL; ifa = ifa->ifa_next)
85 char abuf[64], mbuf[64], dbuf[64];
86 printf ("%-15s%#.4x %-15s %-15s %-15s\n",
87 ifa->ifa_name, ifa->ifa_flags,
88 addr_string (ifa->ifa_addr, abuf, sizeof (abuf)),
89 addr_string (ifa->ifa_netmask, mbuf, sizeof (mbuf)),
90 addr_string (ifa->ifa_broadaddr, dbuf, sizeof (dbuf)));
95 return failures ? 1 : 0;
98 #define TEST_FUNCTION do_test ()
99 #include "../test-skeleton.c"