From: Rick Currie <rcurrie AT paccar DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: DJGPP under WinNT?
Date: Wed, 12 Nov 1997 13:03:08 -0800
Organization: PACCAR Technical Center
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Eli Zaretskii wrote:
> 
> On Tue, 11 Nov 1997, Weiqi Gao wrote:
> 
> > How hard would it be to make the "long filename API" available in
> > NT?
> 
> I'd guess it's not easy, otherwise somebody would have done it by
> now.
> 
> > Can someone outside Microsoft do it?
> 
> With a lot of work, probably.
> 
> > I'll start by begging the DJGPP masters.  I'm also perfectly willing to
> > volunteer my time, if it has to come to that.  I'll have to learn about
> > all the issues involved, which I understand is not a trivial task.
> 
> I don't think you need a lot of DJGPP knowledge at this stage.  The
> easiest way to accomplish this would be to write a Win32 VxD that
> will handle the LFN API functions of Interrupt 21h.  I don't know
> whether RSXNT allows to write VxDs, but if it does, you need to know
> how to write a VxD, which calls for a Win32 device-driver guru, not
> for a DJGPP guru.
> 
> Failing that, you will need to find an NT VxD or service that can be
> called to provide LFNs, and then find a way for a DOS program to call
> that service.  Again, this requires a lot of WinNT-specific knowledge.

Er... a minor point. Windows NT does not use VxD's.  It uses kernel mode
drivers, somewhat similar to UN*X.  These are entirely different animals
from VxD's.

RJ