Line data Source code
1 : /* Test of command line argument processing.
2 : Copyright (C) 2009-2016 Free Software Foundation, Inc.
3 :
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.
8 :
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.
13 :
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/>. */
16 :
17 : /* Written by Bruno Haible <bruno@clisp.org>, 2009. */
18 :
19 : #include <config.h>
20 :
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. */
23 : #define _GL_NO_LARGE_FILES
24 :
25 : #if GNULIB_TEST_GETOPT_GNU
26 : # include <getopt.h>
27 :
28 : # ifndef __getopt_argv_const
29 : # define __getopt_argv_const const
30 : # endif
31 : # include "signature.h"
32 : SIGNATURE_CHECK (getopt_long, int, (int, char *__getopt_argv_const *,
33 : char const *, struct option const *,
34 : int *));
35 : SIGNATURE_CHECK (getopt_long_only, int, (int, char *__getopt_argv_const *,
36 : char const *, struct option const *,
37 : int *));
38 :
39 : #endif
40 :
41 : #include <unistd.h>
42 :
43 : #include "signature.h"
44 : SIGNATURE_CHECK (getopt, int, (int, char * const[], char const *));
45 :
46 : #include <stdio.h>
47 : #include <stdlib.h>
48 : #include <string.h>
49 :
50 : /* This test intentionally remaps stderr. So, we arrange to have fd 10
51 : (outside the range of interesting fd's during the test) set up to
52 : duplicate the original stderr. */
53 :
54 : #define BACKUP_STDERR_FILENO 10
55 : #define ASSERT_STREAM myerr
56 : #include "macros.h"
57 :
58 : static FILE *myerr;
59 :
60 : #include "test-getopt.h"
61 : #if GNULIB_TEST_GETOPT_GNU
62 : # include "test-getopt_long.h"
63 : #endif
64 :
65 : int
66 1 : main (void)
67 : {
68 : /* This test validates that stderr is used correctly, so move the
69 : original into fd 10. */
70 1 : if (dup2 (STDERR_FILENO, BACKUP_STDERR_FILENO) != BACKUP_STDERR_FILENO
71 1 : || (myerr = fdopen (BACKUP_STDERR_FILENO, "w")) == NULL)
72 0 : return 2;
73 :
74 1 : ASSERT (freopen ("test-getopt.tmp", "w", stderr) == stderr);
75 :
76 : /* These default values are required by POSIX. */
77 1 : ASSERT (optind == 1);
78 1 : ASSERT (opterr != 0);
79 :
80 1 : setenv ("POSIXLY_CORRECT", "1", 1);
81 1 : test_getopt ();
82 :
83 : #if GNULIB_TEST_GETOPT_GNU
84 1 : test_getopt_long_posix ();
85 : #endif
86 :
87 1 : unsetenv ("POSIXLY_CORRECT");
88 1 : test_getopt ();
89 :
90 : #if GNULIB_TEST_GETOPT_GNU
91 1 : test_getopt_long ();
92 1 : test_getopt_long_only ();
93 : #endif
94 :
95 1 : ASSERT (fclose (stderr) == 0);
96 1 : ASSERT (remove ("test-getopt.tmp") == 0);
97 :
98 1 : return 0;
99 : }
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