From 6af6f650d1999800e2fbb6bc5d587b4f917cb133 Mon Sep 17 00:00:00 2001
From: ac-stef <ac_stef@users.sf.net>
Date: Sat, 22 Apr 2017 12:41:51 +0200
Subject: [PATCH] fix double free in opengzfile

Now gzstream->open consistently does not keep a copy of the input stream
in case of failure - no matter the type of failure.
---
 source/src/stream.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/src/stream.cpp b/source/src/stream.cpp
index d68dde60..471b21c0 100644
--- a/source/src/stream.cpp
+++ b/source/src/stream.cpp
@@ -594,7 +594,7 @@ struct gzstream : stream
 
         if(reading)
         {
-            if(!checkheader()) { stopreading(); return false; }
+            if(!checkheader()) { stopreading(); file = NULL; return false; }
         }
         else if(writing) writeheader();
         return true;