| /* Copyright (C) 2004-2016 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@redhat.com>, 2004. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <errno.h> |
| #include <limits.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <net/if.h> |
| |
| |
| static int |
| do_test (void) |
| { |
| char buf[IF_NAMESIZE]; |
| /* Index 0 is always invalid (see RFC 3493). */ |
| char *cp = if_indextoname (0, buf); |
| if (cp != NULL) |
| { |
| printf ("invalid index returned result \"%s\"\n", cp); |
| return 1; |
| } |
| else if (errno != ENXIO) |
| { |
| int err = errno; |
| char errbuf1[256]; |
| char errbuf2[256]; |
| |
| printf ("errno = %d (%s), expected %d (%s)\n", |
| err, strerror_r (err, errbuf1, sizeof (errbuf1)), |
| ENXIO, strerror_r (ENXIO, errbuf2, sizeof (errbuf2))); |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| #define TEST_FUNCTION do_test () |
| #include "../test-skeleton.c" |