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/* Test of command line argument processing.
Copyright (C) 2009-2013 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2009. */
#include <config.h>
/* None of the files accessed by this test are large, so disable the
ftell link warning if we are not using the gnulib ftell module. */
#define _GL_NO_LARGE_FILES
#if GNULIB_TEST_GETOPT_GNU
# include <getopt.h>
# ifndef __getopt_argv_const
# define __getopt_argv_const const
# endif
# include "signature.h"
SIGNATURE_CHECK (getopt_long, int, (int, char *__getopt_argv_const *,
char const *, struct option const *,
int *));
SIGNATURE_CHECK (getopt_long_only, int, (int, char *__getopt_argv_const *,
char const *, struct option const *,
int *));
#endif
#include <unistd.h>
#include "signature.h"
SIGNATURE_CHECK (getopt, int, (int, char * const[], char const *));
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* This test intentionally remaps stderr. So, we arrange to have fd 10
(outside the range of interesting fd's during the test) set up to
duplicate the original stderr. */
#define BACKUP_STDERR_FILENO 10
#define ASSERT_STREAM myerr
#include "macros.h"
static FILE *myerr;
#include "test-getopt.h"
#if GNULIB_TEST_GETOPT_GNU
# include "test-getopt_long.h"
#endif
int
main (void)
{
/* This test validates that stderr is used correctly, so move the
original into fd 10. */
if (dup2 (STDERR_FILENO, BACKUP_STDERR_FILENO) != BACKUP_STDERR_FILENO
|| (myerr = fdopen (BACKUP_STDERR_FILENO, "w")) == NULL)
return 2;
ASSERT (freopen ("test-getopt.tmp", "w", stderr) == stderr);
/* These default values are required by POSIX. */
ASSERT (optind == 1);
ASSERT (opterr != 0);
setenv ("POSIXLY_CORRECT", "1", 1);
test_getopt ();
#if GNULIB_TEST_GETOPT_GNU
test_getopt_long_posix ();
#endif
unsetenv ("POSIXLY_CORRECT");
test_getopt ();
#if GNULIB_TEST_GETOPT_GNU
test_getopt_long ();
test_getopt_long_only ();
#endif
ASSERT (fclose (stderr) == 0);
ASSERT (remove ("test-getopt.tmp") == 0);
return 0;
}
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