[U-Boot] [PATCH 2/2] musb: sunxi: Implement dfu_usb_get_reset()

[Albert ARIBAUD]

Hello Ian,

On Sun, 25 Oct 2015 19:22:00 +0000, Ian Campbell
<ijc+uboot at hellion.org.uk> wrote:
> On Sun, 2015-10-25 at 14:22 +0100, Albert ARIBAUD wrote:
> > On Sun, 25 Oct 2015 12:40:45 +0000, Ian Campbell
> > > Doesn't the bool return type already cause that to happen? (from the
> > > PoV of the caller at least)
> > 
> > When all is said and done, a C bool is a C int,
> 
> Not if it is a _Bool (via stdbool.h or some other way).
> 
> A _Bool is always either 0 or 1, and scalar value which is converted to
> a _Bool is converted to either 0 or 1.
>
> > So no, types, bool or otherwise, do not cause any implicit '!!' to
> > happen.
> 
> I believe this is not correct when _Bool is used.
> 
> In u-boot a bool is indeed a _Bool (or at least I don't see any other
> typedef's and I can see various includes on stdbool.h, I therefore
> didn't feel the need to check how bool is arrived at in this particular
> file).

What you write is possibly correct for C++, but certainly not for C,
for which booleans are integers, with no compiler-enforced constraint
on their value domains.

Amicalement,
-- 
Albert.1