Set errno for ±Inf.
[glibc/history.git] / debug / wcrtomb_chk.c
blob228430f3737a6376f0fbe537aee4db16738be078
1 /* Copyright (C) 2005 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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. */
19 #include <langinfo.h>
20 #include <locale.h>
21 #include <stdlib.h>
22 #include <wchar.h>
23 #include <locale/localeinfo.h>
26 size_t
27 __wcrtomb_chk (char *s, wchar_t wchar, mbstate_t *ps, size_t buflen)
29 /* We do not have to implement the full wctomb semantics since we
30 know that S cannot be NULL when we come here. */
31 if (buflen < MB_CUR_MAX)
32 __chk_fail ();
34 return __wcrtomb (s, wchar, ps);