Re: [PATCH] Fix C++ kernel in include/linux/mtd/mtd.h

From: Alan Cox
Date: Thu Oct 12 2017 - 06:32:57 EST


On Fri, 06 Oct 2017 13:25:55 +0100
David Woodhouse <dwmw2@xxxxxxxxxxxxx> wrote:

> On Fri, 2017-10-06 at 14:13 +0200, Pavel Machek wrote:
> > > You can change 'C++' to 'C99' too, while you're at it :)
> >
> > No. They are C++ comments... as in... dangerous infection that came
> > from C++. Yes, C99 is infected, too, but still C++ is original source
> > of infection :-).
>
> C++ is a different language, and irrelevant here. You could call them
> Java comments if you want, but that would be equally silly. In the
> kernel, they are C99 comments. Valid, but not our preferred style
> (which is fair enough, unlike our idiotic refusal to use C99 integer
> types).

We might as well allow them. We are using those compiler settings so the
cases where your compilation produces different results in C99 and more
classic C are no longer a risk 8)


int main(int argc, char *argv[])
{
int x = 1//**/
-1;

if (x == 0)
puts("Ewww C99");
exit(0);
}