From 3d584266e5df5fb8dfc59b660434ad2e2108d044 Mon Sep 17 00:00:00 2001
From: Grissiom <chaos.proton@gmail.com>
Date: Tue, 21 Oct 2014 16:01:08 +0800
Subject: [PATCH] finsh: allow user to disable the FINSH_USING_HISTORY

---
 components/finsh/shell.h | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/components/finsh/shell.h b/components/finsh/shell.h
index 448f9e6fbe..92fa4bccb2 100644
--- a/components/finsh/shell.h
+++ b/components/finsh/shell.h
@@ -33,7 +33,17 @@
 #include <rtthread.h>
 #include "finsh.h"
 
-#define FINSH_USING_HISTORY
+/* For historical reasons, users don't define FINSH_USING_HISTORY in rtconfig.h
+ * but expect the history feature. So you sould define FINSH_USING_HISTORY to 0
+ * to disable it from the rtconfig.h. */
+#ifdef FINSH_USING_HISTORY
+#    if FINSH_USING_HISTORY == 0
+#        undef FINSH_USING_HISTORY
+#    endif
+#else
+#    define FINSH_USING_HISTORY
+#endif
+
 #ifndef FINSH_THREAD_PRIORITY
 #define FINSH_THREAD_PRIORITY 20
 #endif