xref: /nrf52832-nimble/rt-thread/components/libc/compilers/dlib/syscall_lseek.c (revision 104654410c56c573564690304ae786df310c91fc) 
1*10465441SEvalZero /*
2*10465441SEvalZero  * Copyright (c) 2006-2018, RT-Thread Development Team
3*10465441SEvalZero  *
4*10465441SEvalZero  * SPDX-License-Identifier: Apache-2.0
5*10465441SEvalZero  *
6*10465441SEvalZero  * Change Logs:
7*10465441SEvalZero  * Date           Author       Notes
8*10465441SEvalZero  * 2015-01-28     Bernard      first version
9*10465441SEvalZero  */
10*10465441SEvalZero #include <rtthread.h>
11*10465441SEvalZero #ifdef RT_USING_DFS
12*10465441SEvalZero #include <dfs_posix.h>
13*10465441SEvalZero #endif
14*10465441SEvalZero #include <yfuns.h>
15*10465441SEvalZero 
16*10465441SEvalZero #pragma module_name = "?__lseek"
__lseek(int handle,long offset,int whence)17*10465441SEvalZero long __lseek(int handle, long offset, int whence)
18*10465441SEvalZero {
19*10465441SEvalZero     if (handle == _LLIO_STDOUT ||
20*10465441SEvalZero         handle == _LLIO_STDERR ||
21*10465441SEvalZero         handle == _LLIO_STDIN)
22*10465441SEvalZero         return _LLIO_ERROR;
23*10465441SEvalZero 
24*10465441SEvalZero #ifdef RT_USING_DFS
25*10465441SEvalZero     return lseek(handle, offset, whence);
26*10465441SEvalZero #else
27*10465441SEvalZero     return _LLIO_ERROR;
28*10465441SEvalZero #endif
29*10465441SEvalZero }
30