1 | /* Copyright (C) 1991-2016 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 | <http://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <stdlib.h> |
19 | #include <string.h> |
20 | #include <wchar.h> |
21 | |
22 | |
23 | /* Convert the string of multibyte characters in S to `wchar_t's in |
24 | PWCS, writing no more than N. Return the number written, |
25 | or (size_t) -1 if an invalid multibyte character is encountered. |
26 | |
27 | Attention: this function should NEVER be intentionally used. |
28 | The interface is completely stupid. The state is shared between |
29 | all conversion functions. You should use instead the restartable |
30 | version `mbsrtowcs'. */ |
31 | size_t |
32 | mbstowcs (wchar_t *pwcs, const char *s, size_t n) |
33 | { |
34 | mbstate_t state; |
35 | |
36 | memset (&state, '\0', sizeof state); |
37 | /* Return how many we wrote (or maybe an error). */ |
38 | return __mbsrtowcs (pwcs, &s, n, &state); |
39 | } |
40 | |