69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/*
|
|
* File : syscall_write.c
|
|
* This file is part of RT-Thread RTOS
|
|
* COPYRIGHT (C) 2006 - 2015, RT-Thread Development Team
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2015-01-28 Bernard first version
|
|
*/
|
|
|
|
#include <rtthread.h>
|
|
#ifdef RT_USING_DFS
|
|
#include <dfs_posix.h>
|
|
#endif
|
|
#include <yfuns.h>
|
|
#include "libc.h"
|
|
|
|
#pragma module_name = "?__write"
|
|
|
|
size_t __write(int handle, const unsigned char *buf, size_t len)
|
|
{
|
|
#ifdef RT_USING_DFS
|
|
int size;
|
|
#endif
|
|
|
|
if ((handle == _LLIO_STDOUT) || (handle == _LLIO_STDERR))
|
|
{
|
|
#ifndef RT_USING_CONSOLE
|
|
return _LLIO_ERROR;
|
|
#else
|
|
|
|
#ifdef RT_USING_POSIX
|
|
return libc_stdio_write((void*)buf, len);
|
|
#else
|
|
rt_device_t console_device;
|
|
|
|
console_device = rt_console_get_device();
|
|
if (console_device != 0) rt_device_write(console_device, 0, buf, len);
|
|
|
|
return len;
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
if (handle == _LLIO_STDIN) return _LLIO_ERROR;
|
|
|
|
#ifndef RT_USING_DFS
|
|
return _LLIO_ERROR;
|
|
#else
|
|
size = write(handle, buf, len);
|
|
return size;
|
|
#endif
|
|
}
|
|
|