35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
|
/* 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 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
|
||
|
|
<https://www.gnu.org/licenses/>. */
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <wchar.h>
|
||
|
|
|
||
|
|
|
||
|
|
/* 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. */
|
||
|
|
size_t
|
||
|
|
mbstowcs (wchar_t *pwcs, const char *s, size_t n)
|
||
|
|
{
|
||
|
|
mbstate_t state;
|
||
|
|
|
||
|
|
memset (&state, '\0', sizeof state);
|
||
|
|
/* Return how many we wrote (or maybe an error). */
|
||
|
|
return __mbsrtowcs (pwcs, &s, n, &state);
|
||
|
|
}
|