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Re: _canonical_path not working on *BSD

X-seq: zsh-workers 24744
From: Peter Stephenson <pws@xxxxxxx>
To: Baptiste Daroussin <baptiste.daroussin@xxxxxxxxx>
Subject: Re: _canonical_path not working on *BSD
Date: Wed, 26 Mar 2008 15:34:09 +0000
Cc: zsh-workers@xxxxxxxxxx, Pea <zsh@xxxxxxxxxxxx>
In-reply-to: <20080326162710.20476ooqf5nlulwc@xxxxxxxxxxxxxxx>
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References: <20080326114413.80713vrmznwpnyuc@xxxxxxxxxxxxxxx> <20080326150552.52b3f1c4@news01> <20080326162710.20476ooqf5nlulwc@xxxxxxxxxxxxxxx>

Baptiste Daroussin wrote:
> This only work on OpenBSD, readlink on FreeBSD doesn't allow -f.

I think that means the function won't do what it's designed to do,
right?  So in that case we should test if readlink accepts -f and if it
doesn't, then return immediately.  However, that may not be a trivial
test.  How about something like

[[ -n $(readlink -f / 2>&1 >/dev/null) ]]

(for which we could cache the result)?  Or is testing that
"readlink -f / >&/dev/null" returns status 0 good enough?

-- 
Peter Stephenson <pws@xxxxxxx>                  Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223 692070

Follow-Ups:
- Re: _canonical_path not working on *BSD
  - From: Clint Adams
- Re: _canonical_path not working on *BSD
  - From: Pea

References:
- _canonical_path not working on *BSD
  - From: Baptiste Daroussin
- Re: _canonical_path not working on *BSD
  - From: Peter Stephenson
- Re: _canonical_path not working on *BSD
  - From: Baptiste Daroussin

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