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From: "Ronald Landheer" <info AT rlsystems DOT net>
To: "Robert Collins" <robert DOT collins AT itdomain DOT com DOT au>, <cygwin AT cygwin DOT com>
Subject: RE: [PATCH] ls & "magic" cygdrive dir (was: RE: cygdrive stuff)
Date: Mon, 24 Sep 2001 01:46:28 +0200
Message-ID: <NFBBLOMHALONCDMPGBLFGECPCCAA.info@rlsystems.net>
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Hello Rober /et al/

>> After the overwhelming display of interest for my last mail on this
>> subject (which had gone completely unnoticed as far as I can tell), I
> I missed it - cannot even recall it :].
As did the rest of the world, I guess.. ;)

>> The patch I'm attaching is against the source 'ls.c' as found in
>> fileutils-4.1-1. It introduces three methods, of which one is called:
>> ls-cygwin-loop(). It is called whenever needed.
>> Note it only shows you that cygdrive exists. As there is no "magic
>> dir" filetype, and it's not a real directory, I'm not showing it as
>> one. My patch only does anything when there *is* no real directory -
>> if it comes through a stat() call, it is not handled.
> You've hit it on the button. stat() is what you need to patch, not ls.

(other mail)
> Sorry, a little more detail is needed, it's stat() + opendir() +
> readdir() IIRC that need altering.
You do recall correctly :)
In fact, you're right: the only thing is I was patching ls, but come to 
think of it, the cygdrive magic dir (and any other magic dir) should 
just come through a stat() call correctly, and opendir() and readdir() 
should handle it correctly.

As it's better to grab a bug by the guts than just pull its antenna's 
off, I'm back to the bug hunt (got the hat, the net and everything :)

I just have a question about the stat() implementation: there seem to be 
a lot of them (different ones for different systems, ofcourse). I should 
probably take the one from go32? (looks very DJGPP-ish to me, but that 
could just be me).

Same question (and same assumed probable answer) for opendir() and 
readdir()?

The implementations I'm referring to here are in newlib/libc/sys/go32
The reason I think it might be these is because they seem to be DOS 
implementations, and the cygwin directory (meaning 
newlib/libc/sys/cygwin) doesn't contain any implementations.
Building and examining the makefiles takes a rather long time, and as 
you - or other people on the list - probably know where these functions 
live by heart, it's a lot easier to just ask..

Greetz & Thanx!

Ronald


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