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Re: port-filename and path canonicalization

From: Ludovic Courtès
Subject: Re: port-filename and path canonicalization
Date: Thu, 22 Apr 2010 00:26:43 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)


Thien-Thi Nguyen <address@hidden> writes:

> That is, if a file port supports ‘file-port-directory’, then how
> to use/restrict the resulting object is left up to higher layers,
> where it belongs.

I would put it the other way round: if an application wants to implement
‘file-port-directory’, then it’s its responsibility to associate the
necessary information (and authority) with open file ports (those under
its control, that is.)

It’s an application of the principle of least authority.


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