Newsgroups: comp.sys.atari.st.tech
Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!ira.uka.de!math.fu-berlin.de!fauern!faui43.informatik.uni-erlangen.de!csbrod
From: csbrod@immd4.informatik.uni-erlangen.de (Claus Brod)
Subject: Re: rsrc_gaddr(), etc.
Message-ID: <1991May6.111622.17413@informatik.uni-erlangen.de>
Keywords: rsrc_gaddr, pointers to fields
Organization: CSD., University of Erlangen, Germany
References: <1991May6.023631.1912@ux1.cso.uiuc.edu>
Date: Mon, 6 May 1991 11:16:22 GMT
Lines: 22

mts10271@uxa.cso.uiuc.edu (Michael T Stepniczka) writes:

>	I have been trying to figure out how to get the address
>of an object in a tree using rsrc_gaddr() without any success.
>The problem is that I have 2 trees, and in each tree several objects.
>I can't seem to get the address of object 1 from tree 0 and object 1
>from tree 1- I get the same address (obj. 1 from tree 0) for both
>of them.  Is there some way to have the rsrc_gaddr distinguish the

If you have already got the address of the object tree, the
address of any object n in the tree can be calculated as

	tree address + n*sizeof(OBJECT)

sizeof(OBJECT) equals to 24.

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Claus Brod, Am Felsenkeller 2,			Things. Take. Time.
D-8772 Marktheidenfeld, West Germany		(Piet Hein)
csbrod@medusa.informatik.uni-erlangen.de
Claus Brod@wue.maus.de
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