From 6c6eafb05b11efda309ce9cfdbb0a89c5df3d74f Mon Sep 17 00:00:00 2001
From: An Leenders <an@Fluffy.(none)>
Date: Tue, 25 Jan 2011 17:38:19 +0100
Subject: [PATCH] cpp cleanliness: check for assignment to self

---
 svtools/source/control/ruler.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/svtools/source/control/ruler.cxx b/svtools/source/control/ruler.cxx
index 7ce2b5c9e14f..d1b94e6d72dc 100644
--- a/svtools/source/control/ruler.cxx
+++ b/svtools/source/control/ruler.cxx
@@ -193,6 +193,9 @@ ImplRulerData::~ImplRulerData()
 
 ImplRulerData& ImplRulerData::operator=( const ImplRulerData& rData )
 {
+    if( this == &rData )
+        return *this;
+
     delete[] pLines;
     delete[] pArrows;
     delete[] pBorders;