From 5891799085e1349c2e4caf95608d3bc3b4b9d05a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20A=C3=9Fmus?= <superstippi@gmx.de>
Date: Wed, 8 Mar 2006 19:03:44 +0000
Subject: [PATCH] * this should improve the performance of operator=

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16658 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/kits/interface/Region.cpp | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/kits/interface/Region.cpp b/src/kits/interface/Region.cpp
index 303916b74d..ae62091ddd 100644
--- a/src/kits/interface/Region.cpp
+++ b/src/kits/interface/Region.cpp
@@ -413,17 +413,19 @@ BRegion &
 BRegion::operator=(const BRegion &region)
 {
 	if (&region != this) {
-		free(data);
 		bound = region.bound;
 		count = region.count;
-		data_size = region.data_size;
-		
+
+		// handle reallocation if we're too small to contain
+		// the other region
+		set_size(region.data_size);
+
+		// TODO: what is this supposed to do??
 		if (data_size <= 0)
 			data_size = 1;
 			
-		data = (clipping_rect *)malloc(data_size * sizeof(clipping_rect));
-		
-		memcpy(data, region.data, count * sizeof(clipping_rect));
+		if (data)
+			memcpy(data, region.data, count * sizeof(clipping_rect));
 	}
 	
 	return *this;