/* Test of setting the current locale.

   Copyright (C) 2011-2017 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include <config.h>

#include <locale.h>

#include "signature.h"

SIGNATURE_CHECK (setlocale, char *, (int, const char *));

#include <stdlib.h>

#include <string.h>

#include "macros.h"

int

main (int argc, char *argv[])

{

  char *name1;

  char *name2;

  /* Try to set the locale by implicitly looking at the LC_ALL environment

     variable.

     configure should already have checked that the locale is supported.  */

  if (setlocale (LC_ALL, "") == NULL)

    return 1;

  name1 = strdup (setlocale (LC_ALL, NULL));

  /* Reset the locale.  */

  if (setlocale (LC_ALL, "C") == NULL)

    return 1;

  /* Try to set the locale by explicitly looking at the LC_ALL environment

     variable.

     configure should already have checked that the locale is supported.  */

  if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL)

    return 1;

  name2 = strdup (setlocale (LC_ALL, NULL));

  /* Test that the two results are the same.  */

  ASSERT (strcmp (name1, name2) == 0);

  free (name1);

  free (name2);

  return 0;

}