From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Fri, 15 Jul 2011 22:58:32 +0000 (+0000)
Subject: Ensure we don't modify a shared object in wxOSX wxRegion::DoOffset().
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/0aab87fddd7cb1a350132772de9d379e1485616e?ds=sidebyside

Ensure we don't modify a shared object in wxOSX wxRegion::DoOffset().

Call AllocExclusive() before modifying the object.

Closes #13338.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@68279 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/src/osx/carbon/region.cpp b/src/osx/carbon/region.cpp
index 8f3eeb884f..ffd0f106d9 100644
--- a/src/osx/carbon/region.cpp
+++ b/src/osx/carbon/region.cpp
@@ -191,6 +191,8 @@ bool wxRegion::DoOffset(wxCoord x, wxCoord y)
         // nothing to do
         return true;
 
+    AllocExclusive();
+
     verify_noerr( HIShapeOffset( M_REGION , x , y ) ) ;
 
     return true ;