RE: [PATCH] bluetooth.h: __ variants of u8 and friends are not neccessary inside kernel
From: David Laight
Date: Thu Oct 06 2016 - 09:03:04 EST
From: Joe Perches
> Sent: 06 October 2016 12:39
> On Thu, 2016-10-06 at 09:41 +0000, David Laight wrote:
> > From: Joe Perches
> > > No worries, and bool is the same ,size as u8.
> > That is not guaranteed at all.
> > One of the ARM ABI defined bool to be the size of int.
> Really? What kernel has sizeof(_Bool) != 1 ?
Probably none, but I know systems have used larger bool.
I found this:
> with egcs-2.90.29 980515 (egcs-1.0.3 release) on alphaev56-dec-osf4.0d
> bool = 8
> short = 2
> int = 4
> long = 8
I'm pretty sure something newer than an old alpha ABI used 4 byte bool.