1 /* Copyright (C) 2005-2022 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, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <locale.h>
19 #include <stdlib.h>
20 #include <wcsmbs/wcsmbsload.h>
21
22
23 extern mbstate_t __wctomb_state attribute_hidden; /* Defined in wctomb.c. */
24
25
26 int
__wctomb_chk(char * s,wchar_t wchar,size_t buflen)27 __wctomb_chk (char *s, wchar_t wchar, size_t buflen)
28 {
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 ();
33
34 return __wcrtomb (s, wchar, &__wctomb_state);
35 }
36