| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Test interface name <-> index conversions. |
| 2 | Copyright (C) 1997-2016 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 Lesser General Public |
| 8 | License as published by the Free Software Foundation; either |
| 9 | version 2.1 of the 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 | Lesser General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Lesser General Public |
| 17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include <errno.h> |
| 21 | #include <stdio.h> |
| 22 | #include <stdlib.h> |
| 23 | #include <string.h> |
| 24 | #include <net/if.h> |
| 25 | |
| 26 | static int |
| 27 | do_test (void) |
| 28 | { |
| 29 | int failures = 0; |
| 30 | struct if_nameindex *idx = if_nameindex (), *p; |
| 31 | if (idx == NULL) |
| 32 | { |
| 33 | if (errno != ENOSYS) |
| 34 | { |
| 35 | printf ("Couldn't get any interfaces.\n"); |
| 36 | exit (1); |
| 37 | } |
| 38 | /* The function is simply not implemented. */ |
| 39 | exit (0); |
| 40 | } |
| 41 | |
| 42 | printf ("Idx Name | Idx Name\n"); |
| 43 | |
| 44 | for (p = idx; p->if_index || p->if_name; ++p) |
| 45 | { |
| 46 | char buf[IFNAMSIZ]; |
| 47 | unsigned int ni; |
| 48 | int result; |
| 49 | printf ("%3d %15s | ", p->if_index, p->if_name); |
| 50 | printf ("%3d", ni = if_nametoindex (p->if_name)); |
| 51 | printf ("%15s", if_indextoname (p->if_index, buf)); |
| 52 | result = (ni != p->if_index || (strcmp (buf, p->if_name))); |
| 53 | if (ni == p->if_index) |
| 54 | /* We have to make sure that this is not an alias with the |
| 55 | same interface number. */ |
| 56 | if (p->if_index == if_nametoindex (buf)) |
| 57 | result = 0; |
| 58 | printf ("%10s", result ? "fail" : "okay"); |
| 59 | printf ("\n"); |
| 60 | failures += result; |
| 61 | } |
| 62 | if_freenameindex (idx); |
| 63 | return failures ? 1 : 0; |
| 64 | } |
| 65 | |
| 66 | #define TEST_FUNCTION do_test () |
| 67 | #include "../test-skeleton.c" |