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From: singer@endor.harvard.edu (Richard Siegel)
Newsgroups: comp.sys.mac
Subject: Re: When to HLock
Message-ID: <2957@husc6.UUCP>
Date: Thu, 8-Oct-87 08:10:03 EDT
Article-I.D.: husc6.2957
Posted: Thu Oct  8 08:10:03 1987
Date-Received: Sun, 11-Oct-87 02:47:10 EDT
References: <960@mntgfx.MENTOR.COM>
Sender: news@husc6.UUCP
Reply-To: singer@endor.UUCP (Richard Siegel)
Organization: THINK Technologies, Inc., Bedford, MA
Lines: 19

In article <960@mntgfx.MENTOR.COM> tomc@mntgfx.MENTOR.COM (Tom Carstensen) writes:
>Question: Do you need to HLock in the following
>kind of situation?:
>
>TEHandle TheText;
>lines = (**TheText).nLines

	No, since you're not calling a routine that might compact the heap,
you're OK. Besides, you're double-dereferencing the handle, which is
equally safe.

		--Rich

**The opinions stated herein are my own opinions and do not necessarily
represent the policies or opinions of my employer (THINK Technologies, Inc).

* Richard M. Siegel | {decvax, ucbvax, sun}!harvard!endor!singer    *
* Customer Support  | singer@endor.harvard.edu			    *
* THINK Technologies, Inc.  (No snappy quote)                       *