From 04b5a461799f9be12c72b67a2da87163478fb5d6 Mon Sep 17 00:00:00 2001
From: bernard <bernard.xiong@gmail.com>
Date: Wed, 12 Mar 2014 16:25:59 +0800
Subject: [PATCH] [Finsh] fix the shell prompt issue.

---
 components/finsh/shell.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/components/finsh/shell.c b/components/finsh/shell.c
index 0f1e1c625e..4313fcf6b2 100644
--- a/components/finsh/shell.c
+++ b/components/finsh/shell.c
@@ -60,14 +60,16 @@ const char* finsh_get_prompt()
 {
     #define _MSH_PROMPT "msh "
     #define _PROMPT 	"finsh "
-    static char finsh_prompt[RT_CONSOLEBUF_SIZE + 1] = {_PROMPT};
+    static char finsh_prompt[RT_CONSOLEBUF_SIZE + 1] = {0};
 
 #ifdef FINSH_USING_MSH
     if (msh_is_used()) strcpy(finsh_prompt, _MSH_PROMPT);
+    else
 #endif
+    strcpy(finsh_prompt, _PROMPT);
 
     /* get current working directory */
-    getcwd(&finsh_prompt[rt_strlen(finsh_prompt)], RT_CONSOLEBUF_SIZE - 8);
+    getcwd(&finsh_prompt[rt_strlen(finsh_prompt)], RT_CONSOLEBUF_SIZE - rt_strlen(finsh_prompt));
     strcat(finsh_prompt, ">");
 
     return finsh_prompt;