1 /* Test of command line argument processing.
2 Copyright (C) 2009 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2009. */
21 /* None of the files accessed by this test are large, so disable the
22 ftell link warning if we are not using the gnulib ftell module. */
24 # undef GL_LINK_WARNING
25 # define GL_LINK_WARNING(ignored) ((void) 0)
31 # ifndef __getopt_argv_const
32 # define __getopt_argv_const const
34 # include "signature.h"
35 SIGNATURE_CHECK (getopt_long, int, (int, char *__getopt_argv_const *,
36 char const *, struct option const *,
38 SIGNATURE_CHECK (getopt_long_only, int, (int, char *__getopt_argv_const *,
39 char const *, struct option const *,
46 #include "signature.h"
47 SIGNATURE_CHECK (getopt, int, (int, char * const[], char const *));
53 /* This test intentionally remaps stderr. So, we arrange to have fd 10
54 (outside the range of interesting fd's during the test) set up to
55 duplicate the original stderr. */
57 #define BACKUP_STDERR_FILENO 10
58 #define ASSERT_STREAM myerr
63 #include "test-getopt.h"
65 # include "test-getopt_long.h"
71 /* This test validates that stderr is used correctly, so move the
72 original into fd 10. */
73 if (dup2 (STDERR_FILENO, BACKUP_STDERR_FILENO) != BACKUP_STDERR_FILENO
74 || (myerr = fdopen (BACKUP_STDERR_FILENO, "w")) == NULL)
77 ASSERT (freopen ("test-getopt.tmp", "w", stderr) == stderr);
79 /* These default values are required by POSIX. */
83 setenv ("POSIXLY_CORRECT", "1", 1);
87 test_getopt_long_posix ();
90 unsetenv ("POSIXLY_CORRECT");
95 test_getopt_long_only ();
98 ASSERT (fclose (stderr) == 0);
99 ASSERT (remove ("test-getopt.tmp") == 0);