On Thursday 07 August 2008 18:00:57 Chr wrote:
> On Thursday 07 August 2008 17:27:14 Johannes Berg wrote:
> > On Thu, 2008-08-07 at 17:27 +0200, Chr wrote:
> > > + u32:24;
> > > + u32:32;
> > > + u16:16;
> >
> > That piece looks just wrong though. Bitfields, and in a hw struct?
> well, this is a crude way to silence gcc... without the ":32"
> it complains "warning: declaration does not declare anything".
>
> Of course we/I can make lot's of u8 paddingZ[X] arrays,
> but we'll run out of Z and X in the long run ;-).
You can use this magic macro:
#define P4D_BYT3S(magic, nr_bytes) u8 __p4dding##magic[nr_bytes]
#define P4D_BYTES(line, nr_bytes) P4D_BYT3S(line, nr_bytes)
/* Magic helper macro to pad structures. Ignore those above. It's magic. */
#define PAD_BYTES(nr_bytes) P4D_BYTES( __LINE__ , (nr_bytes))
struct xyz {
//foo
PAD_BYTES(4); /* Pad 4 bytes */
//bar
};
--
Greetings Michael.
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