From f56f6175de1a5c21966369c1b1624a3a42106000 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8B=AE=E5=AD=90=E7=9A=84=E9=AD=82?=
 <chenxin619315@gmail.com>
Date: Sun, 8 Nov 2015 20:41:00 +0800
Subject: [PATCH] fix the may comming bug

---
 binding/c/ip2region.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/binding/c/ip2region.c b/binding/c/ip2region.c
index 73bc909..67931b3 100644
--- a/binding/c/ip2region.c
+++ b/binding/c/ip2region.c
@@ -61,7 +61,11 @@ IP2R_API uint_t ip2region_destroy(ip2region_t ip2rObj)
 	ip2rObj->HeaderPtr = NULL;
 
 	//close the db file resource
-	fclose(ip2rObj->dbHandler);
+	if ( ip2rObj->dbHandler != NULL ) 
+	{
+		fclose(ip2rObj->dbHandler);
+		ip2rObj->dbHandler = NULL;
+	}
 
 	return 1;
 }