lib/hard-locale.c

   1 /* hard-locale.c -- Determine whether a locale is hard.
   2
   3    Copyright (C) 1997-1999, 2002-2004, 2006-2007, 2009-2020 Free Software
   4    Foundation, Inc.
   5
   6    This program is free software: you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  18
  19 #include <config.h>
  20
  21 #include "hard-locale.h"
  22
  23 #include <locale.h>
  24 #include <string.h>
  25
  26 bool
  27 hard_locale (int category)
  28 {
  29   char locale[SETLOCALE_NULL_MAX];
  30
  31   if (setlocale_null_r (category, locale, sizeof (locale)))
  32     return false;
  33
  34   return !(strcmp (locale, "C") == 0 || strcmp (locale, "POSIX") == 0);
  35 }