On Sat, Feb 24, 2024 at 04:28:28PM -0500, Thor Lancelot Simon wrote:
> > Hello, thanks to everyone who responded with their suggestions. Using
> > various non-portable ioctls I can device size on most platforms, for
> > both block and raw devices.
> >
> > This is more convoluted than a
t...@panix.com (Thor Lancelot Simon) writes:
>Probably not a good idea to start with lseek() because if you _do_
>encounter a tape device, seeking to SEEK_END could take you an extremely
>long time.
lseek() doesn't move the tape. But the open() or close() may trigger
tape operations like loading
> Date: Sat, 24 Feb 2024 16:21:42 -0500
> From: Thor Lancelot Simon
>
> On Wed, Feb 21, 2024 at 09:20:55PM +, Taylor R Campbell wrote:
> > I think this is a bug, and it would be great if stat(2) just returned
> > the physical medium's size in st_size -- currently doing this reliably
> >
On Thu, Feb 22, 2024 at 12:08:14PM +, Sad Clouds wrote:
> Hello, thanks to everyone who responded with their suggestions. Using
> various non-portable ioctls I can device size on most platforms, for
> both block and raw devices.
>
> This is more convoluted than a single lseek() call, but it
On Wed, Feb 21, 2024 at 09:20:55PM +, Taylor R Campbell wrote:
> > Date: Wed, 21 Feb 2024 10:52:55 +
> > From: Sad Clouds
> >
> > Hello, for most operating systems determining the size of a block
> > device can be done with:
> >
> > lseek(fd, 0, SEEK_END);
> >
> > However, on NetBSD
On Thu, Feb 22, 2024 at 05:47:55AM +, Sad Clouds wrote:
> On Wed, 21 Feb 2024 12:48:34 -0800
> Jason Thorpe wrote:
>
> >
> > > On Feb 21, 2024, at 2:52???AM, Sad Clouds
> > > wrote:
> > >
> > > Hello, for most operating systems determining the size of a block
> > > device can be done
