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Mail Archives: djgpp/1997/09/11/17:17:41

From: "A. Sinan Unur" <asu1 AT cornell DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: a few questions...
Date: Thu, 11 Sep 1997 14:59:31 -0500
Organization: Cornell University
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References: <5v87rt$2j4$1 AT kurica DOT wt DOT com DOT au> <0Zxy$AA7IBG0EwOE AT jenkinsdavid DOT demon DOT co DOT uk>
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

David Jenkins wrote:

> I think Win95's DPMI sees the illegal calls and tells the program to
> forget it and carry on. BUT Dos isn't clever enough to do that, so it
> crashes.

it is the other way around. win95 is braindead, and will let most
pointer bugs go undetected. cwsdpmi catches (AFAIK) illegal dereferences
etc. so you know there is something wrong. that is a GOOD thing. if you
think your programs should be able to access all sorts of memory that
they are not supposed to, think again.

  -- Sinan

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