From 4fd86a71d4fbc571f3dfc9ee8a33d5c2ea2b7aa8 Mon Sep 17 00:00:00 2001
From: Charlie Gordon <qemacs@chqrlie.org>
Date: Thu, 27 Apr 2006 15:20:12 +0000
Subject: [PATCH] Defensive programming: clear ptr after free

---
 cutils.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cutils.h b/cutils.h
index 19ccad4..78448b5 100644
--- a/cutils.h
+++ b/cutils.h
@@ -30,6 +30,7 @@ static inline void qstrinit(QString *q)
 static inline void qstrfree(QString *q)
 {
     free(q->data);
+    q->data = NULL;
 }
 
 int qmemcat(QString *q, const unsigned char *data1, int len1);