mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 19:30:10 +00:00
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/* Copyright (C) 1991, 1992, 1995-1999, 2002, 2008
|
|
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>
|
|
#include <gconv.h>
|
|
#include <wcsmbs/wcsmbsload.h>
|
|
|
|
|
|
/* Shared with __wctomb_chk. */
|
|
mbstate_t __wctomb_state attribute_hidden;
|
|
|
|
/* Convert WCHAR into its multibyte character representation,
|
|
putting this in S and returning its length.
|
|
|
|
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 `wcrtomb'. */
|
|
int
|
|
wctomb (char *s, wchar_t wchar)
|
|
{
|
|
/* If S is NULL the function has to return null or not null
|
|
depending on the encoding having a state depending encoding or
|
|
not. */
|
|
if (s == NULL)
|
|
{
|
|
const struct gconv_fcts *fcts;
|
|
|
|
/* Get the conversion functions. */
|
|
fcts = get_gconv_fcts (_NL_CURRENT_DATA (LC_CTYPE));
|
|
|
|
/* This is an extension in the Unix standard which does not directly
|
|
violate ISO C. */
|
|
memset (&__wctomb_state, '\0', sizeof __wctomb_state);
|
|
|
|
return fcts->tomb->__stateful;
|
|
}
|
|
|
|
return __wcrtomb (s, wchar, &__wctomb_state);
|
|
}
|
|
libc_hidden_def (wctomb)
|