cvs commit: src/sys/compat/linux linux_ioctl.c
jhb at FreeBSD.org
Thu Mar 24 13:07:12 PST 2005
On Thursday 24 March 2005 04:05 pm, Stefan Farfeleder wrote:
> On Thu, Mar 24, 2005 at 03:55:59PM -0500, John Baldwin wrote:
> > On Thursday 24 March 2005 03:19 pm, Brooks Davis wrote:
> > > On Thu, Mar 24, 2005 at 09:09:43PM +0100, Stefan Farfeleder wrote:
> > > > On Thu, Mar 24, 2005 at 12:02:10PM -0800, Brooks Davis wrote:
> > > > > Prior to C99, I think #error wasn't specified. C99 does specify
> > > > > it.
> > > >
> > > > C89/90 had #error too.
> > >
> > > I stand corrected. Now that I think about it, all but the perverse
> > > preprocessors would implement #error just by blowing up on an unknown
> > > directive so even that isn't an issue. In any case, I've made the
> > > change and the new code is at least shorter. It's really only there
> > > for people mucking with kernel internals who should be able to figure
> > > out what it means.
> > We could always just change CTASSERT() to use #error if that is better.
> Unfortunately you can't use preprocessor directives in the replacement
> list of a macro.
John Baldwin <jhb at FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
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