From 372858f921785d0bae370be687995c2147218fca Mon Sep 17 00:00:00 2001
From: guo <guozhanxin@rt-thread.com>
Date: Wed, 27 Oct 2021 17:39:22 +0800
Subject: [PATCH] [finsh] Fix formatting issues

---
 components/finsh/shell.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/components/finsh/shell.c b/components/finsh/shell.c
index 7305bb0370..6938ed1f24 100644
--- a/components/finsh/shell.c
+++ b/components/finsh/shell.c
@@ -145,18 +145,17 @@ void finsh_set_prompt_mode(rt_uint32_t prompt_mode)
 int finsh_getchar(void)
 {
 #ifdef RT_USING_DEVICE
+    char ch = 0;
 #ifdef RT_USING_POSIX
-    int c;
-    if(read(STDIN_FILENO,&c,1)>0)
+    if(read(STDIN_FILENO, &ch, 1) > 0)
     {
-        return c;
+        return ch;
     }
     else
     {
         return -1; /* EOF */
     }
 #else
-    char ch = 0;
     rt_device_t device;
 
     RT_ASSERT(shell != RT_NULL);
-- 
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