增加条件编译,防止RT_USING_DFS没有定义时 _sys_flen()出现编译警告:stat变量定义但没有被调用 的问题

This commit is contained in:
Meco 2020-08-05 02:47:27 +08:00
parent d1355e3027
commit f7ba4a6341
1 changed files with 4 additions and 0 deletions

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@ -9,6 +9,8 @@
* 2013-11-24 aozima fixed _sys_read()/_sys_write() issues.
* 2014-08-03 bernard If using msh, use system() implementation
* in msh.
* 2020-08-05 Meco Man fixed _sys_flen() compiling-warning when
* RT_USING_DFS is not defined
*/
#include <string.h>
@ -265,7 +267,9 @@ RT_WEAK void _sys_exit(int return_code)
*/
long _sys_flen(FILEHANDLE fh)
{
#ifdef RT_USING_DFS
struct stat stat;
#endif
if (fh < STDERR)
return -1;