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54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/* Copyright (C) 2004-2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <string.h>
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#include <net/if.h>
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static int
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do_test (void)
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{
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char buf[IF_NAMESIZE];
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/* Index 0 is always invalid (see RFC 3493). */
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char *cp = if_indextoname (0, buf);
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if (cp != NULL)
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{
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printf ("invalid index returned result \"%s\"\n", cp);
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return 1;
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}
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else if (errno != ENXIO)
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{
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int err = errno;
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char errbuf1[256];
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char errbuf2[256];
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printf ("errno = %d (%s), expected %d (%s)\n",
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err, strerror_r (err, errbuf1, sizeof (errbuf1)),
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ENXIO, strerror_r (ENXIO, errbuf2, sizeof (errbuf2)));
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return 1;
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}
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return 0;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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