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List:       kde-core-devel
Subject:    Re: Got some bugs here
From:       Michael Brade <brade () kde ! org>
Date:       2002-01-31 10:15:52
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On Thursday 31 January 2002 03:27, Waldo Bastian wrote:
> In a cruel twist of faith this actually causes the crashes. You see, "null"
> was used as special value and null-items aren't refcounted. So the
> destructor of the object that owned these refcounted objects only dereffed
> the object if it was != "null", however, after resetting "null" to 0, 
> object-ptrs which were originally "null" now became != "null" since the
> value of "null" changed. So when we later enter the earlier mentioned
> destructor and the object still has a pointer to this null object, the
> destructor compares the pointer against "null" and incorrectly decides that
> it isn't the "null" object and that it should be dereffed. This leads to a
> crash eventually, since it now derefs the null object, which it shouldn't,
> and which had been destroyed already.
>
> Fixed in CVS.
**YAY!!** 
You are my hero, Waldo! The crashes are gone! :-)) 

Thank you thank you!

-- 
Michael Brade;                 KDE Developer, Student of Computer Science
  |-mail: echo brade !#|tr -d "c oh"|s\e\d 's/e/\@/2;s/$/.org/;s/bra/k/2'
  °--web: http://www.kde.org/people/michaelb.html

KDE 3.0: Konquering the Desktops


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