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Date:      21 Nov 1999 17:51:21 +0100
From:      Assar Westerlund <assar@sics.se>
To:        Wes Peters <wes@softweyr.com>
Cc:        "Daniel C. Sobral" <dcs@newsguy.com>, hackers@FreeBSD.ORG
Subject:   Re: Portable way to compare struct stat's?
Message-ID:  <5l7ljbkcty.fsf@foo.sics.se>
In-Reply-To: Wes Peters's message of "Sat, 20 Nov 1999 23:01:51 -0700"
References:  <XFMail.991118185611.jdp@polstra.com> <3836DF98.9A84EC44@newsguy.com> <3836F873.D3B989FE@softweyr.com> <3836FF7C.2D8236AE@newsguy.com> <38376544.96B017E9@softweyr.com> <5ln1s88o4y.fsf@foo.sics.se> <38378ACF.277A81DC@softweyr.com>

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Wes Peters <wes@softweyr.com> writes:
> Are hash collisions handled reasonably?

No, they're not handled at all. :-)  Doing that would require:

1. remembering all the nodes that we have seen and the hash values
   given to them
2. having some backup-hash to use for the node that collides and then
   re-hash it (and remember that).

The code is basically:

vap->va_fileid = hash(fid);

/assar


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