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Date:      Fri, 4 Jun 1999 22:00:50 -0400 (EDT)
From:      Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
To:        Barney Wolff <barney@databus.com>
Cc:        freebsd-net@FreeBSD.ORG
Subject:   Re: subtle SIOCGIFCONF bug
Message-ID:  <199906050200.WAA12746@khavrinen.lcs.mit.edu>
In-Reply-To: <375884220.6584@databus.databus.com>
References:  <375884220.6584@databus.databus.com>

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<<On Fri, 4 Jun 1999 21:19 EDT, Barney Wolff <barney@databus.com> said:

> You have not said specifically what about SIOCGIFCONF is bad, that
> could possibly justify the incredible statement that one should
> use a non-portable technique when a portable technique is available.
> SIOGIFCONF works on Unixware, Solaris, HP-UX, Irix and FreeBSD, just
> to list systems I can access right now.

No, it doesn't work.  It just seems to work because you don't have
enough interfaces or addresses configured.  (And furthermore, compare
what contortions an ioctl-based implementation would have to go
through to deal with the differences in all those systems.  So much
for portability!)

-GAWollman

--
Garrett A. Wollman   | O Siem / We are all family / O Siem / We're all the same
wollman@lcs.mit.edu  | O Siem / The fires of freedom 
Opinions not those of| Dance in the burning flame
MIT, LCS, CRS, or NSA|                     - Susan Aglukark and Chad Irschick


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