On Thursday 24 February 2005 18:43, Ingo Klöcker wrote:
> On Friday 25 February 2005 00:33, André Wöbbeking wrote:
> > On Friday 25 February 2005 00:24, Till Adam wrote:
> > > That one is typical of one of our biggest problems in KMail, the
> > > fact that message pointers can become invalid at any time.
> >
> > what about shared or guarded pointer?
>
> This would prevent crashes but lead to hard to track bugs, i.e. changes
> to the (dead) KMMsgInfo object would be lost because this object was
> already replaced by a KMMessage object. It's much easier to find the
> remaining problems when a crash occurs.
>
> As Till already wrote we will clean up this mess for KDE 4.

   Or:

   mMsg->die();

  ::die() {
     _dead = true;
  }

  ::setFoo() {
     assert(!_dead);
     ... 
 }

   Tedious, but it would give you shared pointers and alert of unexpected 
changes.

-- 
George Staikos
KDE Developer			http://www.kde.org/
Staikos Computing Services Inc.	http://www.staikos.net/