libpthread/linuxthreads/locale.c

   1 /*  Copyright (C) 2003     Manuel Novoa III
   2  *
   3  *  This library is free software; you can redistribute it and/or
   4  *  modify it under the terms of the GNU Library General Public
   5  *  License as published by the Free Software Foundation; either
   6  *  version 2 of the License, or (at your option) any later version.
   7  *
   8  *  This library is distributed in the hope that it will be useful,
   9  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  *  Library General Public License for more details.
  12  *
  13  *  You should have received a copy of the GNU Library General Public
  14  *  License along with this library; if not, see
  15  *  <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <features.h>
  19 #include "pthread.h"
  20 #include "internals.h"
  21 #include <locale.h>
  22 #include <assert.h>
  23 #include <stdlib.h>
  24
  25 extern struct _pthread_descr_struct __pthread_initial_thread;
  26
  27 __locale_t __curlocale(void)
  28 {
  29         pthread_descr self = thread_self();
  30
  31 #ifdef NDEBUG
  32         return THREAD_GETMEM (self, locale);
  33 #else
  34         {
  35                 __locale_t r = THREAD_GETMEM (self, locale);
  36
  37                 assert(r);
  38
  39                 return r;
  40         }
  41 #endif
  42 }
  43
  44 __locale_t __curlocale_set(__locale_t newloc)
  45 {
  46         __locale_t oldloc;
  47         pthread_descr self = thread_self();
  48
  49         oldloc = THREAD_GETMEM (self, locale);
  50
  51         assert(newloc != LC_GLOBAL_LOCALE);
  52         assert(oldloc);
  53
  54         THREAD_SETMEM (self, locale, newloc);
  55
  56         return oldloc;
  57 }