On Tue, Nov 15, 2005 Andrew de Quincey wrote:
>
> I assume it would be something like this?
>
> struct dvb_configuration {
> unsigned char tune_mode:1 /* 0=>normal tuning, 1=>frequency scanning */
> };
>
> #define FE_SET_CONFIGURATION _IOR('o', 81, struct dvb_configuration)
>
> And we'd extend dvb_configuration (or whatever) as we need to...
Nah, once we have an ioctl we want to stay binary compatible.
So just an "unsigned int flags", and I would use #defines
for the flag values, not a struct with bit fields, because
I believe this is the preferred coding style for Linux.
Johannes
