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From: dos-man 64 <ChairShot AT mail DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Is there some way to convert long filenames to short filenames?
Date: Fri, 13 Mar 2009 18:13:01 -0700 (PDT)
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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

On Mar 13, 7:35=A0pm, "Rod Pemberton" <do_not_h DOT  DOT  DOT  AT nohavenot DOT cmm> wrote:
> "dos-man 64" <ChairS DOT  DOT  DOT  AT mail DOT com> wrote in message
>
> news:c8b9dd7a-ced3-4522-9bdd-bc565c607369 AT l39g2000yqn DOT googlegroups DOT com...
>
> > The only requirement is I have to set an
> > environment variable LFN=3Dy.
>
> As DJ said, this should be automatic... =A0However, I've also have a few
> programs where I have code force LFN use, if available. =A0This is with D=
JGPP
> v2.03.
>
> #ifdef __DJGPP__
> /* if LFN driver installed, force _USE_LFN on */
> if(lfn_installed)
> {
> =A0 _crt0_startup_flags&=3D~_CRT0_FLAG_NO_LFN;
> =A0 putenv("LFN=3Dy");}
>
> #endif
>
> The variable lfn_installed gets set to one if a __dpmi_int 0x21 call to
> 0x71a0 reports that it supports long filename functions.
>
> Rod Pemberton

I'm going to try these out right now, thanks.  Hopefully I can get rid
of this dos environment variable requirement. I can imagine the horror
and disfunctionality if every program relied on dos environment
variables to run correctly, heh. It would be chaos.