In article <tcr-c05ac2.17212025102...@news.gmane.org>, Tobias C Rittweiler <t...@freebits.de> wrote:
> Does CFFI contain a Lisp type which represents the > machine's word size? > > I guess it could be defined as > > (deftype word-size () > `(unsigned-byte ,(* 8 (foreign-type-size :long)))) > > Are there any caveats? E.g. what about a 32bit Lisp > implementation on a 64bit architecture? > > Perhaps the type should rather be defined in each > backend. Clarification: I'm concerned about the 32bit Lisp on 64bit architecture issue, because for my purposes I'd like (make-pointer (the word-size X)) never signal a type error. -T. _______________________________________________ cffi-devel mailing list cffi-devel@common-lisp.net http://common-lisp.net/cgi-bin/mailman/listinfo/cffi-devel
