Messages in this thread | | | Date | Fri, 12 Feb 1999 21:40:07 +0100 | From | Janos Farkas <Janos.Farkas-nouce/priv-#> | Subject | Re: rmdir of one's pwd (was Re: rmdir of a busy directory) |
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[Linus and Andreas stripped from mass-Cc, they surely know about it.]
On 1999-02-12 at 09:49:14, Linus Torvalds wrote: > On 12 Feb 1999, Andreas Schwab wrote: > > This patch is wrong, it also forbids `rmdir ../foo'. Only a path ending > > in '.' is special. Think about it: to find out the real name of the entry > > to unlink you'll have find its link in the parent directory. With `.' you > > simply don't have enough information about what to unlink. > > Actually, you do. > > _I_ think "." just means "current working directory".
For forgetful people, this is all well known, and discussed before, with additional details, just look in any linux-kernel archive, and search for the subject 'rmdir(".") works, and causes havoc'. One example is at:
http://www.uwsg.indiana.edu/hypermail/linux/kernel/9708.0/date.html
(Yup, about 18 months old.. Breaks my unreleased theory about each dubious topic coming up 12 months later with a solution :)
There was a more serious bug then, but rmdir(".") is just interesting, and nice, IMHO too. But as sct said, opendir(".") later on showing an empty dir is not quite intuitive.
-- Janos - Don't worry, my address is real. I'm just bored of spam.
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