Add self-assignment check in operator=

Method 'operator=' should check its argument with 'this' pointer.

diff --git a/taglib/ape/apeitem.cpp b/taglib/ape/apeitem.cpp
index 3490173a2cda5fb622b6302a06ca530ba8f886ec..49c3a6653a40c238054f967274affc8c7106c386 100644 (file)
--- a/taglib/ape/apeitem.cpp
+++ b/taglib/ape/apeitem.cpp
@@ -86,8 +86,10 @@ APE::Item::~Item()
 
 Item &APE::Item::operator=(const Item &item)
 {
-  delete d;
-  d = new ItemPrivate(*item.d);
+  if(&item != this) {
+    delete d;
+    d = new ItemPrivate(*item.d);
+  }
   return *this;
 }