]>
Commit | Line | Data |
---|---|---|
8f2ece69 UD |
1 | /* Test interface name <-> index conversions. |
2 | Copyright (C) 1997 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | Contributed by Philip Blundell <Philip.Blundell@pobox.com>. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Library General Public License as | |
8 | published by the Free Software Foundation; either version 2 of the | |
9 | License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Library General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Library General Public | |
17 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
18 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #include <errno.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <net/if.h> | |
26 | ||
27 | int | |
28 | main (void) | |
29 | { | |
30 | int failures = 0; | |
31 | struct if_nameindex *idx = if_nameindex (), *p; | |
32 | if (idx == NULL) | |
33 | { | |
34 | if (errno != ENOSYS) | |
35 | { | |
36 | printf ("Couldn't get any interfaces.\n"); | |
37 | exit (1); | |
38 | } | |
39 | /* The function is simply not implemented. */ | |
40 | exit (0); | |
41 | } | |
42 | ||
43 | printf ("Idx Name | Idx Name\n"); | |
44 | ||
45 | for (p = idx; p->if_index || p->if_name; ++p) | |
46 | { | |
47 | char buf[IFNAMSIZ]; | |
9a0a462c UD |
48 | unsigned int ni; |
49 | int result; | |
8f2ece69 UD |
50 | printf ("%3d %15s | ", p->if_index, p->if_name); |
51 | printf ("%3d", ni = if_nametoindex (p->if_name)); | |
52 | printf ("%15s", if_indextoname (p->if_index, buf)); | |
53 | result = (ni != p->if_index || (strcmp (buf, p->if_name))); | |
9756dfe1 UD |
54 | if (ni == p->if_index) |
55 | /* We have to make sure that this is not an alias with the | |
56 | same interface number. */ | |
57 | if (p->if_index == if_nametoindex (buf)) | |
58 | result = 0; | |
8f2ece69 UD |
59 | printf ("%10s", result ? "fail" : "okay"); |
60 | printf ("\n"); | |
61 | failures += result; | |
62 | } | |
63 | if_freenameindex (idx); | |
64 | exit (failures ? 1 : 0); | |
65 | } |