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inet/bug-if1.c
52 строки
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* Copyright (C) 2004-2026 Free Software Foundation, Inc. This file is part of the GNU C Library. 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 <https://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"