1 /* Test of setting the current locale.
2    Copyright (C) 2011-2021 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 <https://www.gnu.org/licenses/>.  */
16 
17 #include <config.h>
18 
19 #include <locale.h>
20 
21 #include "signature.h"
22 SIGNATURE_CHECK (setlocale, char *, (int, const char *));
23 
24 #include <stdlib.h>
25 #include <string.h>
26 
27 #include "macros.h"
28 
29 int
main(int argc,char * argv[])30 main (int argc, char *argv[])
31 {
32   char *name1;
33   char *name2;
34 
35   /* Try to set the locale by implicitly looking at the LC_ALL environment
36      variable.
37      configure should already have checked that the locale is supported.  */
38   if (setlocale (LC_ALL, "") == NULL)
39     return 1;
40 
41   name1 = strdup (setlocale (LC_ALL, NULL));
42 
43   /* Reset the locale.  */
44   if (setlocale (LC_ALL, "C") == NULL)
45     return 1;
46 
47   /* Try to set the locale by explicitly looking at the LC_ALL environment
48      variable.
49      configure should already have checked that the locale is supported.  */
50   if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL)
51     return 1;
52 
53   name2 = strdup (setlocale (LC_ALL, NULL));
54 
55   ASSERT (name1);
56   ASSERT (name2);
57 
58   /* Test that the two results are the same.  */
59   ASSERT (strcmp (name1, name2) == 0);
60   free (name1);
61   free (name2);
62 
63   return 0;
64 }
65