From owner-freebsd-current Sun Jun 17 14:29: 6 2001 Delivered-To: freebsd-current@freebsd.org Received: from earth.backplane.com (earth-nat-cw.backplane.com [208.161.114.67]) by hub.freebsd.org (Postfix) with ESMTP id 8B8B637B401 for ; Sun, 17 Jun 2001 14:29:01 -0700 (PDT) (envelope-from dillon@earth.backplane.com) Received: (from dillon@localhost) by earth.backplane.com (8.11.3/8.11.2) id f5HLSe108208; Sun, 17 Jun 2001 14:28:40 -0700 (PDT) (envelope-from dillon) Date: Sun, 17 Jun 2001 14:28:40 -0700 (PDT) From: Matt Dillon Message-Id: <200106172128.f5HLSe108208@earth.backplane.com> To: "Andrey A. Chernov" Cc: Jordan Hubbard , bde@zeta.org.au, imp@harmony.village.org, steveo@eircom.net, david@catwhisker.org, current@FreeBSD.ORG Subject: Re: symlink(2) [Was: Re: tcsh.cat] References: <200106170518.f5H5I6V44586@harmony.village.org> <20010617113141A.jkh@osd.bsdi.com> <20010617231418.A60728@nagual.pp.ru> Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG :On Sun, Jun 17, 2001 at 11:31:41 -0700, Jordan Hubbard wrote: :> It seems your argument to disallow null symlinks got somehow taken :> as an argument to disallow all "invalid" symlinks then. : : :To say it more clear: now I even not against ""-symlinks making ability, :such strings are valid per POSIX after all, as already noticed in this :discussion. I am against _resolving_ them to illegal "" name (and to "." :in pathnames) which cause all errors that Bruce describe. : :-- :Andrey A. Chernov This is a reasonable distinction to make. If someone actually tried to open() a ""'d symlink an argument can be made to return a specific error rather then trying to resolve it. I'm not sure it's worth it, though. It just doesn't come up that often and there are a thousand other ways you can hogtie yourself in the system that takes less effort. -Matt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message