In the last episode (Jun 22), Mike Meyer said:
> In <[EMAIL PROTECTED]>, Andrew <[EMAIL PROTECTED]> 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.
statfs only works on mounted filesystems, not arbitrary block devices.
/usr/sbin/diskinfo uses ioctl(fd, DIOCGMEDIASIZE, &mediasize), where
mediasize is an off_t.
--
Dan Nelson
[EMAIL PROTECTED]
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