1: /* Free data allocated by a call to setlocale_r
    2:    Copyright (C) 1996, 1997, 2000, 2002, 2005 Free Software Foundation, Inc.
    3:    This file is part of the GNU C Library.
    4:    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
    5: 
    6:    The GNU C Library is free software; you can redistribute it and/or
    7:    modify it under the terms of the GNU Lesser General Public
    8:    License as published by the Free Software Foundation; either
    9:    version 2.1 of the License, or (at your option) any later version.
   10: 
   11:    The GNU C Library 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 GNU
   14:    Lesser General Public License for more details.
   15: 
   16:    You should have received a copy of the GNU Lesser General Public
   17:    License along with the GNU C Library; if not, write to the Free
   18:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   19:    02111-1307 USA.  */
   20: 
   21: #include <locale.h>
   22: #include <stdlib.h>
   23: #include <bits/libc-lock.h>
   24: 
   25: #include "localeinfo.h"
   26: 
   27: 
   28: /* Lock for protecting global data.  */
   29: __libc_lock_define (extern , __libc_setlocale_lock attribute_hidden)
   30: 
   31: 
   32: void
   33: __freelocale (__locale_t dataset)
   34: {
   35:   int cnt;
   36: 
   37:   /* This static object is returned for newlocale (LC_ALL_MASK, "C").  */
   38:   if (dataset == _nl_C_locobj_ptr)
   39:     return;
   40: 
   41:   /* We modify global data (the usage counts).  */
   42:   __libc_lock_lock (__libc_setlocale_lock);
   43: 
   44:   for (cnt = 0; cnt < __LC_LAST; ++cnt)
   45:     if (cnt != LC_ALL && dataset->__locales[cnt]->usage_count != UNDELETABLE)
   46:       /* We can remove the data.  */
   47:       _nl_remove_locale (cnt, dataset->__locales[cnt]);
   48: 
   49:   /* It's done.  */
   50:   __libc_lock_unlock (__libc_setlocale_lock);
   51: 
   52:   /* Free the locale_t handle itself.  */
   53:   free (dataset);
   54: }
   55: weak_alias (__freelocale, freelocale)