From 2f26ae3fc68a9436ecfcb58d527c3206fa3cd7dd Mon Sep 17 00:00:00 2001
From: Jarle Ladstein <jarle.ladstein@sintef.no>
Date: Fri, 10 Jan 2014 10:38:58 +0100
Subject: [PATCH] Do not call nc_close on null object in NcFile destructor

---
 cxx4/ncFile.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cxx4/ncFile.cpp b/cxx4/ncFile.cpp
index d6db805..9a7fe55 100644
--- a/cxx4/ncFile.cpp
+++ b/cxx4/ncFile.cpp
@@ -17,7 +17,8 @@ NcFile::~NcFile()
   // causes undefined behaviour! so just printing a warning message
   try
   {
-    ncCheck(nc_close(myId),__FILE__,__LINE__);
+    if (!nullObject)
+      ncCheck(nc_close(myId),__FILE__,__LINE__);
   }
   catch (NcException &e) 
   {