From 9e6faf16bfb749c15738e112d78df1b73d55d27f Mon Sep 17 00:00:00 2001
From: Yerolling <2911328695@qq.com>
Date: Tue, 24 May 2022 21:20:33 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E4=BA=86PrintState=E5=87=BD?=
 =?UTF-8?q?=E6=95=B0?=
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---
 src/bus_io.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bus_io.c b/src/bus_io.c
index d17ffcc..ab623a8 100644
--- a/src/bus_io.c
+++ b/src/bus_io.c
@@ -155,7 +155,7 @@ void PrintState(char *str)
     rail_node_t *p = NULL;
     char target[25], clockwise[25], counterclockwise[25];
 
-    for (count = 0, p = rails; flag==1 || p != NULL; p = p->next_node, count++)
+    for (count = 0, p = rails; flag==1 || p != rails; p = p->next_node, count++)
     {
         flag=0;
         target[count] = '0';