good evening; > On 2017-09-07, at 16:13, Attila Lendvai <att...@lendvai.name> wrote: > >> (let ((lhs-quad (cffi:foreign-slot-value lhs '(:struct liblmdb:val) >> 'liblmdb:mv-data)) >> (rhs-quad (cffi:foreign-slot-value rhs '(:struct liblmdb:val) >> 'liblmdb:mv-data))) >> (declare (dynamic-extent lhs-quad rhs-quad)) >> (%compare-quad lhs-quad rhs-quad))) > > try to use (cffi:with-foreign-object (lhs :pointer) …)
the lhs/rhs variables are parameters to the callback. if i understand your suggestion, you mean the lhs-quad/rhs-quad variables. this leaves still the question, how to set their value from the respective passed argument structures. best regards, from berlin, --- james anderson | ja...@dydra.com | http://dydra.com
