| 1 | /* Test of command line argument processing.
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| 2 | Copyright (C) 2009-2012 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software: you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 3 of the License, or
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| 7 | (at your option) any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this program. If not, see <http://www.gnu.org/licenses/>. */
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| 16 |
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| 17 | /* Written by Bruno Haible <bruno@clisp.org>, 2009. */
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| 18 |
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| 19 | #include <config.h>
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| 20 |
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| 21 | /* None of the files accessed by this test are large, so disable the
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| 22 | ftell link warning if we are not using the gnulib ftell module. */
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| 23 | #define _GL_NO_LARGE_FILES
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| 24 |
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| 25 | #if GNULIB_TEST_GETOPT_GNU
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| 26 | # include <getopt.h>
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| 27 |
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| 28 | # ifndef __getopt_argv_const
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| 29 | # define __getopt_argv_const const
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| 30 | # endif
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| 31 | # include "signature.h"
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| 32 | SIGNATURE_CHECK (getopt_long, int, (int, char *__getopt_argv_const *,
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| 33 | char const *, struct option const *,
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| 34 | int *));
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| 35 | SIGNATURE_CHECK (getopt_long_only, int, (int, char *__getopt_argv_const *,
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| 36 | char const *, struct option const *,
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| 37 | int *));
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| 38 |
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| 39 | #endif
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| 40 |
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| 41 | #include <unistd.h>
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| 42 |
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| 43 | #include "signature.h"
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| 44 | SIGNATURE_CHECK (getopt, int, (int, char * const[], char const *));
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| 45 |
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| 46 | #include <stdio.h>
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| 47 | #include <stdlib.h>
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| 48 | #include <string.h>
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| 49 |
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| 50 | /* This test intentionally remaps stderr. So, we arrange to have fd 10
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| 51 | (outside the range of interesting fd's during the test) set up to
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| 52 | duplicate the original stderr. */
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| 53 |
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| 54 | #define BACKUP_STDERR_FILENO 10
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| 55 | #define ASSERT_STREAM myerr
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| 56 | #include "macros.h"
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| 57 |
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| 58 | static FILE *myerr;
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| 59 |
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| 60 | #include "test-getopt.h"
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| 61 | #if GNULIB_TEST_GETOPT_GNU
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| 62 | # include "test-getopt_long.h"
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| 63 | #endif
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| 64 |
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| 65 | int
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| 66 | main (void)
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| 67 | {
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| 68 | /* This test validates that stderr is used correctly, so move the
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| 69 | original into fd 10. */
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| 70 | if (dup2 (STDERR_FILENO, BACKUP_STDERR_FILENO) != BACKUP_STDERR_FILENO
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| 71 | || (myerr = fdopen (BACKUP_STDERR_FILENO, "w")) == NULL)
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| 72 | return 2;
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| 73 |
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| 74 | ASSERT (freopen ("test-getopt.tmp", "w", stderr) == stderr);
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| 75 |
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| 76 | /* These default values are required by POSIX. */
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| 77 | ASSERT (optind == 1);
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| 78 | ASSERT (opterr != 0);
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| 79 |
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| 80 | setenv ("POSIXLY_CORRECT", "1", 1);
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| 81 | test_getopt ();
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| 82 |
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| 83 | #if GNULIB_TEST_GETOPT_GNU
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| 84 | test_getopt_long_posix ();
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| 85 | #endif
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| 86 |
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| 87 | unsetenv ("POSIXLY_CORRECT");
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| 88 | test_getopt ();
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| 89 |
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| 90 | #if GNULIB_TEST_GETOPT_GNU
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| 91 | test_getopt_long ();
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| 92 | test_getopt_long_only ();
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| 93 | #endif
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| 94 |
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| 95 | ASSERT (fclose (stderr) == 0);
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| 96 | ASSERT (remove ("test-getopt.tmp") == 0);
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| 97 |
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| 98 | return 0;
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| 99 | }
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