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glibc  2.9
wcrtomb_chk.c
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00001 /* Copyright (C) 2005 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <langinfo.h>
00020 #include <locale.h>
00021 #include <stdlib.h>
00022 #include <wchar.h>
00023 #include <locale/localeinfo.h>
00024 
00025 
00026 size_t
00027 __wcrtomb_chk (char *s, wchar_t wchar, mbstate_t *ps, size_t buflen)
00028 {
00029   /* We do not have to implement the full wctomb semantics since we
00030      know that S cannot be NULL when we come here.  */
00031   if (buflen < MB_CUR_MAX)
00032     __chk_fail ();
00033 
00034   return __wcrtomb (s, wchar, ps);
00035 }