rt-thread/components/libc/compilers/dlib/syscall_lseek.c

27 lines
617 B
C

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2015-01-28 Bernard first version
*/
#include <rtthread.h>
#include <LowLevelIOInterface.h>
#include <unistd.h>
#pragma module_name = "?__lseek"
long __lseek(int handle, long offset, int whence)
{
if (handle == _LLIO_STDOUT ||
handle == _LLIO_STDERR ||
handle == _LLIO_STDIN)
return _LLIO_ERROR;
#ifdef RT_USING_POSIX
return lseek(handle, offset, whence);
#else
return _LLIO_ERROR;
#endif /* RT_USING_POSIX */
}