87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/****************************************************************************
|
|
* libs/libc/stdio/lib_putwchar.c
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
* SPDX-FileCopyrightText: 2005-2014 Rich Felker, et al.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <limits.h>
|
|
#include <stdio.h>
|
|
#include <wchar.h>
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: putwchar
|
|
*
|
|
* Description:
|
|
* Write wide character to stdout
|
|
*
|
|
* Input Parameters:
|
|
* c - the wide character to write
|
|
*
|
|
* Returned Value:
|
|
* Return the wide character that written in to the stdout on success,
|
|
* return WEOF on fail write to the stdout
|
|
*
|
|
****************************************************************************/
|
|
|
|
wint_t putwchar_unlocked(wchar_t c)
|
|
{
|
|
#ifdef CONFIG_FILE_STREAM
|
|
return fputwc_unlocked(c, stdout);
|
|
#else
|
|
char mbc[MB_LEN_MAX];
|
|
int l;
|
|
|
|
l = wctomb(mbc, c);
|
|
if (l < 0)
|
|
{
|
|
return WEOF;
|
|
}
|
|
|
|
return write(STDOUT_FILENO, mbc, l) == l ? c : WEOF;
|
|
#endif
|
|
}
|
|
|
|
wint_t putwchar(wchar_t c)
|
|
{
|
|
wint_t w;
|
|
|
|
#ifdef CONFIG_FILE_STREAM
|
|
flockfile(stdout);
|
|
#endif
|
|
w = putwchar_unlocked(c);
|
|
#ifdef CONFIG_FILE_STREAM
|
|
funlockfile(stdout);
|
|
#endif
|
|
|
|
return w;
|
|
}
|