From 35cdcd3b958460dfe6da40ff68f673d1fdca1aaf Mon Sep 17 00:00:00 2001
From: Tsuda Kageyu <tsuda.kageyu@gmail.com>
Date: Sat, 22 Jun 2013 16:12:57 +0900
Subject: [PATCH] Added a missing check if an Opus file is open

---
 taglib/ogg/opus/opusfile.cpp | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/taglib/ogg/opus/opusfile.cpp b/taglib/ogg/opus/opusfile.cpp
index 8d3af7af..91ec5a09 100644
--- a/taglib/ogg/opus/opusfile.cpp
+++ b/taglib/ogg/opus/opusfile.cpp
@@ -59,18 +59,20 @@ public:
 // public members
 ////////////////////////////////////////////////////////////////////////////////
 
-Opus::File::File(FileName file, bool readProperties,
-                   Properties::ReadStyle propertiesStyle) : Ogg::File(file)
+Opus::File::File(FileName file, bool readProperties, Properties::ReadStyle propertiesStyle) 
+  : Ogg::File(file)
+  , d(new FilePrivate())
 {
-  d = new FilePrivate;
-  read(readProperties, propertiesStyle);
+  if(isOpen())
+    read(readProperties, propertiesStyle);
 }
 
-Opus::File::File(IOStream *stream, bool readProperties,
-                   Properties::ReadStyle propertiesStyle) : Ogg::File(stream)
+Opus::File::File(IOStream *stream, bool readProperties, Properties::ReadStyle propertiesStyle) 
+  : Ogg::File(stream)
+  , d(new FilePrivate())
 {
-  d = new FilePrivate;
-  read(readProperties, propertiesStyle);
+  if(isOpen())
+    read(readProperties, propertiesStyle);
 }
 
 Opus::File::~File()