-/* Copyright (C) 1991, 1992, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 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 Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
#include <stdlib.h>
+#include <string.h>
#include <wchar.h>
-extern mbstate_t __no_r_state; /* Defined in mbtowc.c. */
-
/* Convert the string of multibyte characters in S to `wchar_t's in
PWCS, writing no more than N. Return the number written,
- or (size_t) -1 if an invalid multibyte character is encountered.
-
- Attention: this function should NEVER be intentionally used.
- The interface is completely stupid. The state is shared between
- all conversion functions. You should use instead the restartable
- version `mbsrtowcs'. */
+ or (size_t) -1 if an invalid multibyte character is encountered. */
size_t
mbstowcs (wchar_t *pwcs, const char *s, size_t n)
{
- mbstate_t save_shift = __no_r_state;
- size_t written;
-
- written = __mbsrtowcs (pwcs, &s, n, &__no_r_state);
-
- /* Restore the old shift state. */
- __no_r_state = save_shift;
+ mbstate_t state;
+ memset (&state, '\0', sizeof state);
/* Return how many we wrote (or maybe an error). */
- return written;
+ return __mbsrtowcs (pwcs, &s, n, &state);
}