Re: Answers, Chapter 1: TeX (was C's sins... and others)

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Article #1920

#1920

From: Dan Bernstein
Date: Tue, 06 Nov 1990 07:02

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In article <3681@lanl.gov> jlg@lanl.gov (Jim Giles) writes:
> If pointer arithmetic across segment boundaries
> is not reliable, then pointers can't be reliably used to implement
> the memory manager (or, at least, not without considerable extra
> difficulty).

This statement is unjustified. It is, in fact, false. I am told that at
least one C IBM PC memory manager keeps track of memory separately in
each segment.

---Dan

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Message-ID: <1845:Nov607:02:2390@kramden.acf.nyu.edu>

Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!jarthur!usc!cs.utexas.edu!sun-barr!rutgers!cmcl2!kramden.acf.nyu.edu!brnstnd

References: <26726@megaron.cs.arizona.edu> <3681@lanl.gov>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!jarthur!usc!cs.utexas.edu!sun-barr!rutgers!cmcl2!kramden.acf.nyu.edu!brnstnd
From: brnstnd@kramden.acf.nyu.edu (Dan Bernstein)
Newsgroups: comp.lang.misc
Subject: Re: Answers, Chapter 1: TeX (was C's sins... and others)
Message-ID: <1845:Nov607:02:2390@kramden.acf.nyu.edu>
Date: 6 Nov 90 07:02:23 GMT
References: <26726@megaron.cs.arizona.edu> <3681@lanl.gov>
Organization: IR
Lines: 11

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