Back to index

glibc  2.9
bug-if1.c
Go to the documentation of this file.
00001 /* Copyright (C) 2004 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <errno.h>
00021 #include <limits.h>
00022 #include <stdio.h>
00023 #include <string.h>
00024 #include <net/if.h>
00025 
00026 
00027 static int
00028 do_test (void)
00029 {
00030   char buf[IF_NAMESIZE];
00031   /* Index 0 is always invalid (see RFC 3493).  */
00032   char *cp = if_indextoname (0, buf);
00033   if (cp != NULL)
00034     {
00035       printf ("invalid index returned result \"%s\"\n", cp);
00036       return 1;
00037     }
00038   else if (errno != ENXIO)
00039     {
00040       int err = errno;
00041       char errbuf1[256];
00042       char errbuf2[256];
00043 
00044       printf ("errno = %d (%s), expected %d (%s)\n",
00045              err, strerror_r (err, errbuf1, sizeof (errbuf1)),
00046              ENXIO, strerror_r (ENXIO, errbuf2, sizeof (errbuf2)));
00047       return 1;
00048     }
00049 
00050   return 0;
00051 }
00052 
00053 #define TEST_FUNCTION do_test ()
00054 #include "../test-skeleton.c"