rt-thread/components/libc/dlib/syscalls.c

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2015-01-31 11:13:50 +08:00
/*
* File : syscalls.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_file.h>
#endif
#include <yfuns.h>
#pragma module_name = "?__close"
int __close(int handle)
{
if (handle == _LLIO_STDOUT ||
handle == _LLIO_STDERR ||
handle == _LLIO_STDIN)
return _LLIO_ERROR;
#ifdef RT_USING_DFS
return close(handle);
#else
return 0;
#endif
}
#pragma module_name = "?remove"
int remove(const char *val)
{
#ifdef RT_USING_DFS
dfs_file_unlink(val);
#endif
return 0;
}
#pragma module_name = "?__lseek"
long __lseek(int handle, long offset, int whence)
{
#ifdef RT_USING_DFS
#endif
if (handle == _LLIO_STDOUT ||
handle == _LLIO_STDERR ||
handle == _LLIO_STDIN)
return _LLIO_ERROR;
return lseek(handle, offset, whence);
}