1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/* Copyright (C) 1991, 1992, 1995, 1996 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.
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.
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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <stdlib.h>
#include <wchar.h>
extern mbstate_t __no_r_state; /* Defined in mbtowc.c. */
/* 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.
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 `wcsrtombs'. */
size_t
wcstombs (char *s, const wchar_t *pwcs, 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;
/* Return how many we wrote (or maybe an error). */
return written;
}
|
