Re: LANANA: To Pending Device Number Registrants

From: H. Peter Anvin (hpa@transmeta.com)
Date: Wed May 16 2001 - 14:36:11 EST


Richard Gooch wrote:
>
> Geert Uytterhoeven writes:
> > On Tue, 15 May 2001, Richard Gooch wrote:
> > > Alan Cox writes:
> > > > > len = readlink ("/proc/self/3", buffer, buflen);
> > > > > if (strcmp (buffer + len - 2, "cd") != 0) {
> > > > > fprintf (stderr, "Not a CD-ROM! Bugger off.\n");
> > > > > exit (1);
> > > >
> > > > And on my box cd is the cabbage dicer whoops
> > >
> > > Actually, no, because it's guaranteed that a trailing "/cd" is a
> > > CD-ROM. That's the standard.
> >
> > Then check for `/cd' at the end instead of `cd' :-)
>
> Argh! What I wrote in text is what I meant to say. The code didn't
> match. No wonder people seemed to be missing the point. So the line of
> code I actually meant was:
> if (strcmp (buffer + len - 3, "/cd") != 0) {
>

This is still a really bad idea. You don't want to tie this kind of
things to the name.

        -hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt
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