| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2004 Free Software Foundation, Inc. |
| 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 |
| 16 | License along with the GNU C Library; if not, write to the Free |
| 17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 18 | 02111-1307 USA. */ |
| 19 | |
| 20 | #include <errno.h> |
| 21 | #include <limits.h> |
| 22 | #include <stdio.h> |
| 23 | #include <string.h> |
| 24 | #include <net/if.h> |
| 25 | |
| 26 | |
| 27 | static int |
| 28 | do_test (void) |
| 29 | { |
| 30 | char buf[IF_NAMESIZE]; |
| 31 | /* Index 0 is always invalid (see RFC 3493). */ |
| 32 | char *cp = if_indextoname (0, buf); |
| 33 | if (cp != NULL) |
| 34 | { |
| 35 | printf ("invalid index returned result \"%s\"\n", cp); |
| 36 | return 1; |
| 37 | } |
| 38 | else if (errno != ENXIO) |
| 39 | { |
| 40 | int err = errno; |
| 41 | char errbuf1[256]; |
| 42 | char errbuf2[256]; |
| 43 | |
| 44 | printf ("errno = %d (%s), expected %d (%s)\n", |
| 45 | err, strerror_r (err, errbuf1, sizeof (errbuf1)), |
| 46 | ENXIO, strerror_r (ENXIO, errbuf2, sizeof (errbuf2))); |
| 47 | return 1; |
| 48 | } |
| 49 | |
| 50 | return 0; |
| 51 | } |
| 52 | |
| 53 | #define TEST_FUNCTION do_test () |
| 54 | #include "../test-skeleton.c" |