#+mcl `(ccl:pref ,ptr ,(convert-from-uffi-type type :deref))
)
-#+mcl
+#+(and mcl (not openmcl))
(defmacro deref-pointer-set (ptr type value)
`(setf (ccl:pref ,ptr ,(convert-from-uffi-type type :deref)) ,value))
-#+mcl
+#+(and mcl (not openmcl))
(defsetf deref-pointer deref-pointer-set)
(defmacro ensure-char-character (obj)
(progn ,@body)
(free-foreign-object ,var)))
#+(or cmu scl)
- (let ((obj (gensym)))
- `(alien:with-alien ((,obj ,(convert-from-uffi-type (eval type) :allocate)))
- (let ((,var (alien:addr ,obj)))
- ,@body)))
+ (let ((obj (gensym))
+ (ctype (convert-from-uffi-type (eval type) :allocate)))
+ (if (and (consp ctype) (eq 'array (car ctype)))
+ `(alien:with-alien ((,obj ,ctype))
+ (let* ((,var ,obj))
+ ,@body))
+ `(alien:with-alien ((,obj ,ctype))
+ (let* ((,var (alien:addr ,obj)))
+ ,@body))))
#+sbcl
(let ((obj (gensym))
(ctype (convert-from-uffi-type (eval type) :allocate)))
`(define-symbol-macro ,lisp-name
'(error "DEF-FOREIGN-VAR not (yet) defined for ~A"
(lisp-implementation-type)))))
+
+#-(or sbcl cmu)
+(defun convert-from-foreign-usb8 (s len)
+ (declare (optimize (speed 3) (space 0) (safety 0) (compilation-speed 0))
+ (fixnum len))
+ (let ((a (make-array len :element-type '(unsigned-byte 8))))
+ (dotimes (i len a)
+ (declare (fixnum i))
+ (setf (aref a i) (uffi:deref-array s '(:array :unsigned-byte) i)))))
+
+#+sbcl
+(defun convert-from-foreign-usb8 (s len)
+ (declare (type sb-sys:system-area-pointer sap))
+ (locally
+ (declare (optimize (speed 3) (safety 0)))
+ (let ((result (make-array len :element-type '(unsiged-byte 8))))
+ (sb-kernel:copy-from-system-area s 0
+ result (* sb-vm:vector-data-offset
+ sb-vm:n-word-bits)
+ (* len sb-vm:n-byte-bits))
+ result)))
+
+#+cmu
+(defun convert-from-foreign-usb8 (s le)
+ (declare (type system:system-area-pointer sap))
+ (locally
+ (declare (optimize (speed 3) (safety 0)))
+ (let ((result (make-array len :element-type '(unsiged-byte 8))))
+ (kernel:copy-from-system-area s 0
+ result (* vm:vector-data-offset
+ vm:word-bits)
+ (* len vm:byte-bits))
+ result)))
+