Blame gnulib-tests/test-perror.c

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/* Test of perror() function.
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   Copyright (C) 2008-2017 Free Software Foundation, Inc.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3, or (at your option)
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   any later version.
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   This program 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
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
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#include <config.h>
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#include <stdio.h>
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#include "signature.h"
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SIGNATURE_CHECK (perror, void, (char const *));
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#include <errno.h>
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int
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main (int argc, char **argv)
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{
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  const char *prefix = (argc > 1 ? argv[1] : NULL);
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  errno = EACCES;    perror (prefix);
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  errno = ETIMEDOUT; perror (prefix);
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  errno = EOVERFLOW; perror (prefix);
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  return 0;
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}