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b168057a | 1 | /* Copyright (C) 2004-2015 Free Software Foundation, Inc. |
5a6ae8da UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2004. | |
4 | ||
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. | |
9 | ||
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. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
5a6ae8da UD |
18 | |
19 | #include <errno.h> | |
20 | #include <limits.h> | |
21 | #include <stdio.h> | |
e1be0bc5 | 22 | #include <string.h> |
5a6ae8da UD |
23 | #include <net/if.h> |
24 | ||
25 | ||
26 | static int | |
27 | do_test (void) | |
28 | { | |
5a6ae8da | 29 | char buf[IF_NAMESIZE]; |
16ac7d45 UD |
30 | /* Index 0 is always invalid (see RFC 3493). */ |
31 | char *cp = if_indextoname (0, buf); | |
5a6ae8da UD |
32 | if (cp != NULL) |
33 | { | |
34 | printf ("invalid index returned result \"%s\"\n", cp); | |
35 | return 1; | |
36 | } | |
37 | else if (errno != ENXIO) | |
38 | { | |
39 | int err = errno; | |
40 | char errbuf1[256]; | |
41 | char errbuf2[256]; | |
42 | ||
43 | printf ("errno = %d (%s), expected %d (%s)\n", | |
44 | err, strerror_r (err, errbuf1, sizeof (errbuf1)), | |
45 | ENXIO, strerror_r (ENXIO, errbuf2, sizeof (errbuf2))); | |
46 | return 1; | |
47 | } | |
48 | ||
49 | return 0; | |
50 | } | |
51 | ||
52 | #define TEST_FUNCTION do_test () | |
53 | #include "../test-skeleton.c" |