Fix CompositKey self assignment.

2012-07-17 10:47:56 +02:00
parent f767a098d6
commit 7e9343c697
2 changed files with 9 additions and 0 deletions
--- a/src/keys/CompositeKey.cpp
+++ b/src/keys/CompositeKey.cpp
@@ -51,6 +51,11 @@ CompositeKey* CompositeKey::clone() const

 CompositeKey& CompositeKey::operator=(const CompositeKey& key)
 {
+    // handle self assignment as that would break when calling clear()
+    if (this == &key) {
+        return *this;
+    }
+
    clear();

    Q_FOREACH (const Key* subKey, key.m_keys) {