Jean Delvare <[email protected]> writes:
> On Tue, 17 Jul 2007 20:38:28 -0700, Greg KH wrote:
>> Isn't there some glibc
>> function that can detect the mount point of a filesystem or directory?
>> Something in glibc parses /proc/mounts for something, I can't remember
>> what it is right now though, sorry.
>
> Maybe getmntent(3)? Sure I could use this, but how expensive compared
> to a single stat(2).
How about comparing the device numbers of /sys and its parent? If they
are different then /sys is a mount point.
Andreas.
--
Andreas Schwab, SuSE Labs, [email protected]
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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