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Re: Problem cat'ing in terminal: buffer overflow?


Thanks for the informative reply. I wasn't flaming, just interested about
the reason behind this behavior. My bad if I didn't figure it out. All you
had to do is spell VT100 really.
Thanks again,


> From: Michael Schmitz <schmitz@zirkon.biophys.uni-duesseldorf.de>
> Date: Sat, 10 Nov 2001 20:56:17 +0100 (CET)
> To: Laurent de Segur <ldesegur@mac.com>
> Cc: Michael Schmitz <schmitz@opal.biophys.uni-duesseldorf.de>,
> debian-powerpc@lists.debian.org
> Subject: Re: Problem cat'ing in terminal: buffer overflow?
> Resent-From: debian-powerpc@lists.debian.org
>> No, no, reset works. What I don't understand is the corruption happening
>> before the prompt sign and the typed chars getting screwed up after the dump
>> is done. It seems that outputting non-ascii chars just overflow some
>> buffers. Do you think it's ok? Curious,
> I think that's what you rightly deserve for pumping random garbage to the
> screen. How the hell do you think scrolling regions, cursor position
> movement and character set switching works? Am I one of the very few that
> remember what 'vt100' actually means, or even used such a beast? Jeez...
> Read up on terminals, terminal emulation and related topics before
> someone comes throwing the Orange Wall (tm) at you, please.
> Your random non-ASCII bytes instructed the terminal to have the cursor
> jump around at random, switch to an alternate character set, output some
> characters, jump around some more, scribble more garbage on the screen,
> etc. etc. ... Just what you asked for, really.
> There's no buffer overflow or any other problem to be seen here. Nothing
> really happened. Move along.
> Michael
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