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Re: Reverting mknod

From: Eric Blake <ebb9 at byu dot net>
To: Michael Ambrus <ambrmi09 at gmail dot com>
Cc: newlib at sourceware dot org
Date: Mon, 23 Apr 2007 07:18:56 -0600
Subject: Re: Reverting mknod
References: <81c474d20704230604q5a6c79fby749c4b6c2e44c8c3@mail.gmail.com> <81c474d20704230606h48339155jf4e972decc0b75cc@mail.gmail.com>

According to Michael Ambrus on 4/23/2007 7:06 AM:
> What does the standard say should be the opposite of mknod?
> 
> Or in other words: how do I remove a file of any type?

remove() will delete any file type (by either calling unlink or rmdir as
appropriate).

> 
> I thought it would be unlink, but I'm not certain and the info at
> opengroup doesn't seem to support it.

Actually, according to opengroup, unlink is required to work on all file
types except directories, and on some implementations, it even works on
directories (although with superuser privileges, and even then you
shouldn't normally do that, as it can lead to filesystem corruption).

-- 
Don't work too hard, make some time for fun as well!

Eric Blake             ebb9@byu.net

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References:
- Reverting mknod
  - From: Michael Ambrus

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