Coding question: finding the size of a block device

Dave Cornejo dave at dogwood.com
Thu Jun 22 21:46:08 UTC 2006


There are no block devices in FreeBSD, only character devices

http://www.freebsd.org/doc/en_US.ISO8859-1/books/arch-handbook/driverbasics-block.html

dave c

> In <1151008839.2360.30.camel at LatitudeFC5.network>, Andrew <andrew.chace at gmail.com> typed:
> > So I guess my question is: is there a POSIX compatible function that
> > will allow me to check the size of a given block device?
> 
> I'd be surprised - POSIX doesn't seem to deal with block devices at all.
> 
> Checking the sources to df, it uses statfs to get the
> information. Linux appears to have it as well, so it may be portable.
> 
> 	<mike
> -- 
> Mike Meyer <mwm at mired.org>		http://www.mired.org/consulting.html
> Independent Network/Unix/Perforce consultant, email for more information.
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