From owner-freebsd-hackers  Fri Sep 13 23:21:50 1996
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Date: Sat, 14 Sep 1996 16:15:34 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199609140615.QAA05920@godzilla.zeta.org.au>
To: freebsd-hackers@FreeBSD.ORG, pius@iago.ienet.com
Subject: Re: How to safely remove a hard link to a directory?
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>Sorry, a short follow-up ... I just ran across an old message
>from Joerg Wunsch on the mailing list archives ... Is it still
>safe to just call unlink(2) on the directory name to remove the
>hard link?

It depends where the link goes.  It is fairly safe to remove
bogus links that you just created.

>Why does rmdir not work?

ufs_rmdir() has a fairly bogus check that the link count is 2.
If it checks it at all, then it should check that one of the
links is for ".".

Bruce