tests/test-setlocale1.c

   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
  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 }