Messages in this thread | | | From | David Laight <> | Subject | RE: [PATCH] bluetooth.h: __ variants of u8 and friends are not neccessary inside kernel | Date | Thu, 6 Oct 2016 13:00:19 +0000 |
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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.
David
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