From: Martin Str|mberg <ams AT speedy DOT ludd DOT luth DOT se>
Subject: Re: Stderr redirection problems
Newsgroups: comp.os.msdos.djgpp
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Date: 12 Jul 2002 19:24:11 GMT
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Alex Oleynikov <alex AT compuweigh DOT com> wrote:
:> Ok. How about adding a file system extension (FSEXT) that handles the
:> device (say you name it "my_prn") and then you open it and fprintf()
:> as usual to it. In the extension you use the serial comm. library
:> (which name I've forgotten right now) and detect if something goes
:> wrong and set errno accordingly and return -1?

: As I said before, I have to know precisely when something happens with the
: printer and what exactly has happened. For that matter I need a
: bi-directional communication with the printer, since it is capable of
: returning its own status information back to the program on request.

Yes. And that's what you should do in the FSEXT...


Right,

						MartinS