Re: Is that an acceptable interface change?

["Jesper Juhl" <jesper.juhl@gmail.com>]

On 3/6/06, Olivier Galibert <galibert@pobox.com> wrote:
> On Mon, Mar 06, 2006 at 08:52:48AM +0100, Arjan van de Ven wrote:
> > On Mon, 2006-03-06 at 02:17 +0100, Olivier Galibert wrote:
> > > I'm looking at the changes in the asound.h file, and especially at
> > > commit 512bbd6a85230f16389f0dd51925472e72fc8a91, and I've been
> > > wondering if it's acceptable compatibility-wise.  All the structures
> > > passed through ioctl (and ALSA is 100% ioctl) have been renamed from
> > > sndrv_* to snd_*.  That breaks source compatibility but not binary
> > > compatibility.
> >
> > only if you are "stupid" enough to use kernel headers in your userspace!
> > Which you shouldn't do normally
>
> Does that mean it is the responsability of whoever packages the
> headers for userspace consumption to rename the structs back?  Or that
> every application should come with its own copy of the kernel headers
> it may need and be ready for massive source-level breakage when
> rebasing?
>
> I'm just trying to understand if we care about source compatibility
> for userspace or not.
>

Userspace apps should not include kernel headers, period.
So, userspace applications really shouldn't care.

--
Jesper Juhl <jesper.juhl@gmail.com>
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