svn commit: r300718 - in head/sys: kern sys

[Hans Petter Selasky]

On 05/27/16 10:11, Konstantin Belousov wrote:
> On Fri, May 27, 2016 at 09:42:24AM +0200, Hans Petter Selasky wrote:
>> We cannot use the "bool" type in userspace at least, because
>> sizeof(bool) depends on the compiler. So the interface must use an
>> integer type at least, possibly uint8_t like now.
>
> What do you mean ?  There are ABIs, and we expect all used compilers to
> follow common arch ABI.  Old psABIs date back to time where _Bool
> did not existed yet, but now it is ubiquitious.  E.g. both i386 and
> amd64 require _Bool have a representation by single byte, with the
> byte alignment.
>
> Can you give exact examples of the inconsistencies, on any platform,
> regardless of our tier ?
>

Hi,

I was reading this article:
http://stackoverflow.com/questions/4897844/is-sizeofbool-defined

And is says:
sizeof(bool) is not required to be 1.

--HPS