Author: alg
Date: Mon Sep 1 10:32:51 2014
New Revision: 1621730
URL: http://svn.apache.org/r1621730
Log:
i125519 check GraphicObject existance before accessing it
Modified:
openoffice/trunk/main/svtools/source/graphic/grfmgr2.cxx
Modified: openoffice/trunk/main/svtools/source/graphic/grfmgr2.cxx
URL:
http://svn.apache.org/viewvc/openoffice/trunk/main/svtools/source/graphic/grfmgr2.cxx?rev=1621730&r1=1621729&r2=1621730&view=diff
==============================================================================
--- openoffice/trunk/main/svtools/source/graphic/grfmgr2.cxx (original)
+++ openoffice/trunk/main/svtools/source/graphic/grfmgr2.cxx Mon Sep 1
10:32:51 2014
@@ -358,8 +358,33 @@ void GraphicManager::ImplCheckSizeOfSwap
// do not swap out when we have less than 16KB data objects
if(nSizeBytes >= (16 * 1024))
{
- pObj->FireSwapOutRequest();
- nUsedSize = (nSizeBytes < nUsedSize) ? nUsedSize -
nSizeBytes : 0;
+ // #125519# need to check if GraphicObject is still alive
+ GraphicObject* pObj2 = 0;
+ bool bExists(false);
+
+ for(pObj2 = (GraphicObject*)maObjList.First(); !bExists &&
pObj2; pObj2 = (GraphicObject*)maObjList.Next())
+ {
+ if(pObj2 && pObj2 == pObj)
+ {
+ bExists = true;
+ }
+ }
+
+ if(bExists)
+ {
+ // #125519# okay, swap it out
+ pObj->FireSwapOutRequest();
+ nUsedSize = (nSizeBytes < nUsedSize) ? nUsedSize -
nSizeBytes : 0;
+ }
+ else
+ {
+ // #125519# error: object was deleted while still a
member in aCandidates. This means that
+ // an earlier call to pObj->FireSwapOutRequest() on an
other GraphicObject has as
+ // a side effect *deleted* and thus removed another
GraphicObject from the local
+ // list (maObjList). This must of course be avoided.
+ // To check without need to run in debugger,
optionally temporarily reactivate the beep below
+ // Sound::Beep();
+ }
}
}
}
