(setf (aref a i) (uffi:deref-array s '(:array :unsigned-byte) i)))))
#+sbcl
-(defun convert-from-foreign-usb8 (sap len)
- (declare (type sb-sys:system-area-pointer sap))
- (locally
- (declare (optimize (speed 3) (safety 0)))
- (let ((result (make-array len :element-type '(unsigned-byte 8))))
- (sb-kernel:copy-from-system-area sap 0
- result (* sb-vm:vector-data-offset
- sb-vm:n-word-bits)
- (* len sb-vm:n-byte-bits))
- result)))
+(defun convert-from-foreign-usb8 (s len)
+ (let ((sap (sb-alien:alien-sap s)))
+ (declare (type sb-sys:system-area-pointer sap))
+ (locally
+ (declare (optimize (speed 3) (safety 0)))
+ (let ((result (make-array len :element-type '(unsigned-byte 8))))
+ (sb-kernel:copy-from-system-area sap 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 (sap len)
- (declare (type system:system-area-pointer sap))
- (locally
- (declare (optimize (speed 3) (safety 0)))
- (let ((result (make-array len :element-type '(unsigned-byte 8))))
- (kernel:copy-from-system-area sap 0
- result (* vm:vector-data-offset
- vm:word-bits)
- (* len vm:byte-bits))
- result)))
+(defun convert-from-foreign-usb8 (s len)
+ (let ((sap (alien:alien-sap s)))
+ (declare (type system:system-area-pointer sap))
+ (locally
+ (declare (optimize (speed 3) (safety 0)))
+ (let ((result (make-array len :element-type '(unsigned-byte 8))))
+ (kernel:copy-from-system-area sap 0
+ result (* vm:vector-data-offset
+ vm:word-bits)
+ (* len vm:byte-bits))
+ result))))