[cffi-devel] Re: setf in with-foreign-slots cannot work with LispWorks 5.0 (64bit Linux)

[Chun Tian (binghe)]

2007年6月6日 星期三、Stephen Compall さんは書きました:
> On Wed, 2007-05-23 at 12:33 +0800, Chun Tian (binghe) wrote:
> > I'll ask LW support if it's possible to support (signed-byte 64) and
> > (unsigned-byte 64).
>
> Did you ever hear back about this?

Yes, I asked LispWorks Support and got this answer:

> >>>>> On Wed, 23 May 2007 13:43:54 +0800, Chun Tian (binghe) said:
> >
> > Hi,
> >
> > Recently I found the CFFI package cannot use in LW 5.0 on 64bit Linux.
> > Follow code cannot compile:
> >
> > (in-package :cffi)
> >
> > (defcstruct c-type
> >   (c-long :long))
> >
> > (defvar a (foreign-alloc 'c-type))
> >
> > (with-foreign-slots ((c-long) a c-type)
> >   (setf c-long 0))
> >
> > A CFFI developers said, because LW's foreign-typed-aref doesn't support
> > (signed-byte 64) and (unsigned-byte 64) now, I've checked LW's Foreign
> > Language Interface User Guide and Reference Manual, and found that's
> > true:
> >
> > http://www.lispworks.com/documentation/lw50/FLI/html/fli-98.htm#pgfId-114
> >9659
> >
> > So this is a CFFI bug, but I wonder if it's possible that LW will support
> > this?
>
> Yes, we will add support for this in a future release.
>
> Regards,
>
> Martin Simmons
> LispWorks Technical Support
> http://www.lispworks.com/support/

So, LispWorks will support this in "a future release", no useful patch for 
current release available...

-- 
'()