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Mail Archives: djgpp/1999/08/12/11:21:51

Message-ID: <37B20CB2.FC6242D9@geocities.com>
From: Sahab Yazdani <beyonder69 AT geocities DOT com>
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Newsgroups: comp.os.msdos.djgpp
Subject: Re: How to convert a selector into a pointer?
References: <37b19b34 DOT 33491353 AT NotesXnt> <37B16C34 DOT 10FE AT mitre DOT org>
Lines: 16
Date: Wed, 11 Aug 1999 19:52:19 -0400
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

[SNIPPY-TY-SNIP]
> > This technique is highly unportable and is the way to do the stuff that
> Watcom lets you do with pointers in 32-bit DOS mode that wouldn't be
> prudent in a gcc-based compiler. It effectively changes the segment
> limit of your program to 0xFFFFFFFF, so that all memory becomes
> addressable. It also lets you accidentally take down the computer if
What do you mean *take down*, like totally destroy it or just make it
hang??
> you're not careful, because you can corrupt any memory that would
> normally be protected from your program. So if your computer resets, its
> not my fault.
> 
> Oh yeah, and do a __djgpp_nearptr_disable() at the end of your program
> to clean up.
> 
> moogla

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