tests/test-setlocale2.c

   1 /* Test of setting the current locale.
   2    Copyright (C) 2011-2024 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 <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24
  25 int
  26 main ()
  27 {
  28   /* Try to set the locale by implicitly looking at the LC_ALL environment
  29      variable.  */
  30   if (setlocale (LC_ALL, "") != NULL)
  31     /* It was successful.  Check whether LC_CTYPE is non-trivial.  */
  32     if (strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
  33       {
  34         fprintf (stderr, "setlocale did not fail for implicit %s\n",
  35                  getenv ("LC_ALL"));
  36         return 1;
  37       }
  38
  39   /* Reset the locale.  */
  40   if (setlocale (LC_ALL, "C") == NULL)
  41     return 1;
  42
  43   /* Try to set the locale by explicitly looking at the LC_ALL environment
  44      variable.  */
  45   if (setlocale (LC_ALL, getenv ("LC_ALL")) != NULL)
  46     /* It was successful.  Check whether LC_CTYPE is non-trivial.  */
  47     if (strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
  48       {
  49         fprintf (stderr, "setlocale did not fail for explicit %s\n",
  50                  getenv ("LC_ALL"));
  51         return 1;
  52       }
  53
  54   return 0;
  55 }