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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 08:47:45 -0700 (PDT)
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On Mar 13, 3:25=A0am, "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:275d23ac-69e7-4da0-88a0-a807a182477e AT a39g2000yqc DOT googlegroups DOT com...
> So, the questions are:
> 1) What environment are you using: real mode 16-bit DOS without LFN, Open=
DOS
> with LFN, or a Windows dosbox with LFN? =A0I.e., does it support LFN's?
> 2) How are you attempting to use LFN's in your program? =A0Are you using
> DJGPP's functions? =A0Or, are you calling the LFN API directly?

I'm a windows 98 SE user. I can certainly use the appliction from Real-
mode, but mostly I'm using from within windows.

I really don't know what the LFN API is.  This is my first time using
this compiler.  I was pleasantly surprised that I even was able to get
the application to recompile at all.  It's pretty compatible with the
borland compiler. As stated, I had a bit of trouble with a few of the
non-ansi functions like getcwd, and getdisk(). The getdisk() function
gave me a lot of trouble, so I created a new function using int86( ).

>
> FYI, I don't usually use the LFN functionality of DJGPP. =A0What I typica=
lly
> do is use SFNs only. =A0The reason is because I need LFN's to work with t=
he
> OpenWatcom C compiler too which doesn't have LFN support or it only had S=
FN
> support when I started using it... =A0It might have LFNs in the current
> version. =A0If I need to display an LFN, I convert from SFN to LFN callin=
g the
> LFN API directly. =A0If I'm passed an LFN, I convert from LFN to SFN call=
ing
> the LFN API directly and then use the SFN. =A0To obtain or convert betwee=
n
> SFNs and LFNs, you need only two of the LFN API's calls - except for
> renaming an LFN. =A0I use __dpmi_int() to call the 0x71a0 and 0x7160 LFN
> functions to determine: 1) if LFN's are available and 2) to obtain the LF=
N,
> SFN, or fullpathname from an LFN or SFN. =A0This works with both MS-DOS v=
7.10
> and Win98SE dosbox, DJGPP and OpenWatcom. =A0Once these two functions are
> written, it's "cut-n-paste".
>
> Rod Pemberton

I've been using this app for quite a few years.  I definitely improved
it last night.  However, it's always been my dream to have this
program work with long filenames.

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