svn commit: r358392 - head/share/man/man9

[Warner Losh]

On Thu, Feb 27, 2020, 9:55 AM John Baldwin <jhb at freebsd.org> wrote:

> On 2/27/20 7:30 AM, Warner Losh wrote:
> > Author: imp
> > Date: Thu Feb 27 15:30:13 2020
> > New Revision: 358392
> > URL: https://svnweb.freebsd.org/changeset/base/358392
> >
> > Log:
> >   _Static_assert is to be preferred to CTASSERT.
> >
> >   Document the existing prefernce that _Static_assert be used in
> preference to the
> >   old CTASSERT we used to use for compile time assertions.
>
> Actually, I think what we want to use is static_assert().  The intention in
> userland C is that _Static_assert() is an internal keyword and <assert.h>
> adds static_assert() as an alias, similar to <stdalign.h> defining alignas,
> etc.  I think what we should do for the kernel is have <sys/systm.h> define
> map static_assert to _Static_assert and replace existing _Static_assert
> usage with the proper spelling.
>

I originally did just that when people pointed out that there were hundreds
of instances in the tree of _Static_assert and less than 10 of
static_assert.

We could do a sweep and change, but I wanted to document it. Even more so
because I was originally mistaken.

Warner

John Baldwin
>