From cd29cab883a6a7a0e028ca6756daa2f3cc8d51f6 Mon Sep 17 00:00:00 2001
From: Caolán McNamara <caolanm@redhat.com>
Date: Thu, 26 Jun 2014 09:35:13 +0100
Subject: check for self-assign

Change-Id: I6ffaaa36f2e594a2e8155589a4d7000db21ab30b
---
 tools/source/generic/bigint.cxx | 3 +++
 tools/source/generic/poly2.cxx  | 3 +++
 2 files changed, 6 insertions(+)

(limited to 'tools')

diff --git a/tools/source/generic/bigint.cxx b/tools/source/generic/bigint.cxx
index e7a98b5eebec..3311efd459b5 100644
--- a/tools/source/generic/bigint.cxx
+++ b/tools/source/generic/bigint.cxx
@@ -616,6 +616,9 @@ BigInt::operator double() const
 
 BigInt& BigInt::operator=( const BigInt& rBigInt )
 {
+    if (this == &rBigInt)
+        return *this;
+
     if ( rBigInt.bIsBig )
         memcpy( (void*)this, (const void*)&rBigInt, sizeof( BigInt ) );
     else
diff --git a/tools/source/generic/poly2.cxx b/tools/source/generic/poly2.cxx
index 7ef7df199f4f..0262a36a0af6 100644
--- a/tools/source/generic/poly2.cxx
+++ b/tools/source/generic/poly2.cxx
@@ -521,6 +521,9 @@ Polygon& PolyPolygon::operator[]( sal_uInt16 nPos )
 
 PolyPolygon& PolyPolygon::operator=( const PolyPolygon& rPolyPoly )
 {
+    if (this == &rPolyPoly)
+        return *this;
+
     DBG_ASSERT( rPolyPoly.mpImplPolyPolygon->mnRefCount < 0xFFFFFFFE, "PolyPolygon: RefCount overflow" );
 
     rPolyPoly.mpImplPolyPolygon->mnRefCount++;
-- 
cgit