debug/wctomb_chk.c

   1 /* Copyright (C) 2005 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library 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 GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <locale.h>
  20 #include <stdlib.h>
  21 #include <wcsmbs/wcsmbsload.h>
  22
  23
  24 extern mbstate_t __no_r_state attribute_hidden; /* Defined in mbtowc.c.  */
  25
  26
  27 int
  28 __wctomb_chk (char *s, wchar_t wchar, size_t buflen)
  29 {
  30   /* We do not have to implement the full wctomb semantics since we
  31      know that S cannot be NULL when we come here.  */
  32   if (buflen < MB_CUR_MAX)
  33     __chk_fail ();
  34
  35   return __wcrtomb (s, wchar, &__no_r_state);
  36 }