1 /* Test of <net/if.h> functions.
2 Copyright (C) 2010 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Simon Josefsson <simon@josefsson.org>, 2010. */
21 #include <stddef.h> /* NULL */
22 #include <stdio.h> /* printf */
25 main (int argc, char *argv[])
27 struct if_nameindex ifn, *ifnp, *p;
28 void (*if_fni) (struct if_nameindex *) = if_freenameindex;
29 char *(*if_itn)(unsigned, char *) = if_indextoname;
30 struct if_nameindex *(*if_ni)(void) = if_nameindex;
31 unsigned (*if_nti)(const char *) = if_nametoindex;
36 p = ifnp = if_nameindex ();
39 printf ("if_nameindex returned NULL\n");
46 char buf[IF_NAMESIZE];
50 printf ("index %d name %s\n", p->if_index, p->if_name);
52 idx = if_nametoindex (p->if_name);
53 if (idx != p->if_index)
55 printf ("if_nametoindex (%s) = %d != %d\n",
56 p->if_name, idx, p->if_index);
60 q = if_indextoname (p->if_index, buf);
63 printf ("if_indextoname (%d) returned NULL\n", p->if_index);
68 printf ("if_indextoname (%d) buffer mismatch?\n", p->if_index);
71 if (strcmp (p->if_name, q) != 0)
73 printf ("if_indextoname (%s) = %s ?!\n", p->if_name, q);
80 if_freenameindex (ifnp);