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Re: creating backups in temporary directories
From: |
Davis Herring |
Subject: |
Re: creating backups in temporary directories |
Date: |
Mon, 10 Sep 2007 12:18:36 -0700 (PDT) |
User-agent: |
SquirrelMail/1.4.8-6.el3.2lanl |
> Well, seems I misread the manual page for open/creat. I thought that
> without O_EXCL, the file would get replaced.
>
> Well, then there still is the contorted way of hard linking /tmp/foo
> to /tmp/foo~, opening /tmp/randomfilename for write, renaming it to
> /tmp/foo and then finishing the write operation.
Why not just rename /tmp/foo to /tmp/foo~, then open /tmp/foo with O_EXCL?
If it fails, then write (again with O_EXCL) to /tmp/randomfile so that
the user's work is on disk -somewhere-, and tell them that they have
enemies.
Davis
--
This product is sold by volume, not by mass. If it appears too dense or
too sparse, it is because mass-energy conversion has occurred during
shipping.
- Re: creating backups in temporary directories, (continued)
- Re: creating backups in temporary directories, Stefan Monnier, 2007/09/07
- Re: creating backups in temporary directories, Stefan Monnier, 2007/09/07
- Re: creating backups in temporary directories, Richard Stallman, 2007/09/08
- Re: creating backups in temporary directories, Stefan Monnier, 2007/09/09
- Re: creating backups in temporary directories, David Kastrup, 2007/09/09
- Re: creating backups in temporary directories, Andreas Schwab, 2007/09/09
- Re: creating backups in temporary directories, David Kastrup, 2007/09/09
- Re: creating backups in temporary directories,
Davis Herring <=
- Re: creating backups in temporary directories, David Kastrup, 2007/09/10
- Message not available
- Re: creating backups in temporary directories, Davis Herring, 2007/09/10
- Re: creating backups in temporary directories, Richard Stallman, 2007/09/11
- Re: creating backups in temporary directories, Davis Herring, 2007/09/11
- Re: creating backups in temporary directories, Richard Stallman, 2007/09/09
- Re: creating backups in temporary directories, Stefan Monnier, 2007/09/09
- Re: creating backups in temporary directories, Davis Herring, 2007/09/07
- Re: creating backups in temporary directories, Chris Moore, 2007/09/08
- Re: creating backups in temporary directories, Richard Stallman, 2007/09/08
- Re: creating backups in temporary directories, Stefan Monnier, 2007/09/09