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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* 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 = "?__read"
size_t __read(int handle, unsigned char *buf, size_t len)
{
#ifdef RT_USING_DFS
int size;
#endif
if (handle == _LLIO_STDIN)
{
#ifdef RT_USING_POSIX
return libc_stdio_read(buf, len);
#else
return _LLIO_ERROR;
#endif
}
if ((handle == _LLIO_STDOUT) || (handle == _LLIO_STDERR))
return _LLIO_ERROR;
#ifndef RT_USING_DFS
return _LLIO_ERROR;
#else
size = read(handle, buf, len);
return size;
#endif
}
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