From f7ba4a63413cf6a0d64ea03f7cb63eb58d1ad099 Mon Sep 17 00:00:00 2001
From: Meco <920369182@qq.com>
Date: Wed, 5 Aug 2020 02:47:27 +0800
Subject: 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
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---
 components/libc/compilers/armlibc/stubs.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'components')

diff --git a/components/libc/compilers/armlibc/stubs.c b/components/libc/compilers/armlibc/stubs.c
index b6ffb37b0f..8acde16495 100644
--- a/components/libc/compilers/armlibc/stubs.c
+++ b/components/libc/compilers/armlibc/stubs.c
@@ -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;
-- 
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