Re: spamprobe-1.1x7 released

On Tue, Mar 29, 2005 at 08:52:05AM -0500, Brian Burton wrote:
> Ray wrote:
> >Why not use rename(2)?  I'm not sure about other UNIX-like OSes,
> >but OpenBSD's rename(2) claims:
> >
> >     rename() guarantees that if _to_ already exists, an instance
> >     of _to_ will always exist, even if the system should crash in
> >     the middle of the operation.
> 
> Well, actually, it does use rename(2).  I was speaking generally.  It 
> uses rename(), rename(), and unlink().

In that case, why not just rename() once?  Or if you really don't
trust the operating system's guarantee, hard link the old file to
a backup, rename() and overwrite the old file with the new one,
then unlink the backup.  Both methods avoid having a missing file.

-Ray-


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