Re: [PATCH] driver core: Add the ability to unbind drivers to devices from userspace

[Greg KH <greg@kroah.com>]

On Thu, Jul 28, 2005 at 08:54:53AM -0400, Jon Smirl wrote:
> On 7/28/05, Mitchell Blank Jr <mitch@sfgoth.com> wrote:
> > Greg KH wrote:
> > > > +   /* locate trailng white space */
> > > > +   z = y = x;
> > > > +   while (y - buffer->page < count) {
> > > > +           y++;
> > > > +           z = y;
> > > > +           while (isspace(*y) && (y - buffer->page < count)) {
> > > > +                   y++;
> > > > +           }
> > > > +   }
> > > > +   count = z - x;
> > >
> > > Hm, I _think_ this works, but I need someone else to verify this...
> > > Anyone else?
> > 
> > It looks sane-ish to me, but also more complicated than need be.  Why can't
> > you just do something like:
> > 
> >         while (count > 0 && isspace(x[count - 1]))
> >                 count--;
> > 
> > -Mitch
> > 
> 
> Do we need to deal with UTF8 here? I did the forward loop because you
> can't parse UTF8 backwards. If UTF8 is possible I need to change the
> pointer inc function.

No, we don't need to handle UTF8.  Or if we do, then we better not make
a general filter function, as it will be a mess.

thanks,

greg k-h