| /* Copyright (C) 1991-2016 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include <wchar.h> |
| |
| |
| /* Convert the `wchar_t' string in PWCS to a multibyte character string |
| in S, writing no more than N characters. Return the number of bytes |
| written, or (size_t) -1 if an invalid `wchar_t' was found. */ |
| size_t |
| wcstombs (char *s, const wchar_t *pwcs, size_t n) |
| { |
| mbstate_t state; |
| |
| memset (&state, '\0', sizeof state); |
| |
| /* Return how many we wrote (or maybe an error). */ |
| return __wcsrtombs (s, &pwcs, n, &state); |
| } |