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From:	Achim Gratz <Stromeko AT nexgo DOT de>
To:	cygwin AT cygwin DOT com
Subject:	Re: Problematic interpretion of paths starting with double slashes
References:	<trinity-82173dac-d842-4a87-8d1f-bed9a958d178-1528793630066 AT 3c-app-gmx-bs08> <dc8418d2-2004-97f0-2d8c-ab438f007eba AT redhat DOT com> <trinity-2aa37c55-032a-4631-9d8f-657ecd85e170-1528809265158 AT 3c-app-gmx-bs08> <87efhbdbaz DOT fsf AT Rainer DOT invalid> <20180613080953 DOT GR7851 AT calimero DOT vinschen DOT de> <trinity-bc977f4a-d31b-4cf6-be60-493433b38724-1528884853707 AT 3c-app-gmx-bs06>
Date:	Wed, 13 Jun 2018 19:08:18 +0200
In-Reply-To:	<trinity-bc977f4a-d31b-4cf6-be60-493433b38724-1528884853707@3c-app-gmx-bs06> (Sven Eden's message of "Wed, 13 Jun 2018 12:14:13 +0200")
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Sven Eden writes:
> True, if /this isn't just a mount point for //this, meaning
> that the "that"s are two different files.
[…]

Again, my main objection is that the interpretation of a path should not
change based on the availability or non-availability of any host (or its
name resolution) over the network.  That's exactly the kind of thing
that will come back to bite you in the most inconvenient moment.

Regarding the discussion about Linux behaviour, I'd be happy if Linux
had an option to just make any path with two leading slashes throw an
error if that path makes it anywhere a local filesystem gets involved.
That'd be quite helpful in quickly weeding out portability problems like
the one you showed.


Regards,
Achim.
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