Re: [Sbcl-devel] alien struct (or mem-block) offset

[Christophe R. <cs...@ca...>]

"Nathan Froyd" <fr...@gm...> writes:

> Could you please use TRUNCATE instead, so we avoid passing rationals
> to SYSTEM-AREA-UB8-COPY?  Brownie points if you make :EXTRACT-GEN use
> TRUNCATE, too.

Hrm.  Wouldn't the case where a rational were produced from that
division be indicative of an error somewhere else?  Maybe
  (let ((byte-offset (/ offset n-byte-bits)))
    (declare (integer byte-offset))
    (system-area-ub8-copy ...))
would be better?

Best,

Christophe