1 /* 2 * Copyright (c) 2006-2018, RT-Thread Development Team 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 * 6 * Change Logs: 7 * Date Author Notes 8 * 2015-01-28 Bernard first version 9 */ 10 #include <rtthread.h> 11 #ifdef RT_USING_DFS 12 #include <dfs_posix.h> 13 #endif 14 #include <yfuns.h> 15 16 #pragma module_name = "?__lseek" 17 long __lseek(int handle, long offset, int whence) 18 { 19 if (handle == _LLIO_STDOUT || 20 handle == _LLIO_STDERR || 21 handle == _LLIO_STDIN) 22 return _LLIO_ERROR; 23 24 #ifdef RT_USING_DFS 25 return lseek(handle, offset, whence); 26 #else 27 return _LLIO_ERROR; 28 #endif 29 } 30