Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!wuarchive!uunet!mcsun!cernvax!chx400!bernina!iis!neeri
From: neeri@iis.ethz.ch (Matthias Ulrich Neeracher)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Why won't ResError return the right message?
Message-ID: <1991May8.153712.7375@bernina.ethz.ch>
Date: 8 May 91 15:37:12 GMT
References: <12946@pt.cs.cmu.edu> <1991May8.031012.1845@cbnewsk.att.com> <1991May8.055136.27101@neon.Stanford.EDU>
Sender: neeri@iis (Matthias Ulrich Neeracher)
Reply-To: neeri@iis.ethz.ch (Matthias Ulrich Neeracher)
Organization: Integrated Systems Laboratory, ETH, Zurich
Lines: 16
Nntp-Posting-Host: etzj-gw

In article <1991May8.055136.27101@neon.Stanford.EDU>, kaufman@neon.Stanford.EDU (Marc T. Kaufman) writes:
>And just to make it worse, *handle won't be NULL for a purged resource,
>but StripAddress(*handle) will be.  The purge and resource bits are still
>on (at least in 24 bit memory models).

Are you sure about this ? I'm 99% sure that the purge bit is not set for
purged handles. I don't know about the resource bit, but having seen that
the purge bit gets cleared for purged handles (I think I have seen it !),
I believe that all bits are cleared. Better check this out yourself, though.

Matthias

-- 
Matthias Neeracher                                      neeri@iis.ethz.ch
   "These days, though, you have to be pretty technical before you can 
    even aspire to crudeness." -- William Gibson, _Johnny Mnemonic_