+ (simple-base-string (vector-sap ,value))
+ (simple-string (vector-sap (coerce ,value 'simple-base-string)))))
+
+(/show0 "host-c-call.lisp 42")
+
+(define-alien-type-class (utf8-string :include pointer :include-args (to)))
+
+(define-alien-type-translator utf8-string ()
+ (make-alien-utf8-string-type
+ :to (parse-alien-type 'char (sb!kernel:make-null-lexenv))))
+
+(define-alien-type-method (utf8-string :unparse) (type)
+ (declare (ignore type))
+ 'utf8-string)
+
+(define-alien-type-method (utf8-string :lisp-rep) (type)
+ (declare (ignore type))
+ '(or simple-string null (alien (* char))))
+
+(define-alien-type-method (utf8-string :naturalize-gen) (type alien)
+ (declare (ignore type))
+ `(if (zerop (sap-int ,alien))
+ nil
+ (%naturalize-utf8-string ,alien)))
+
+(define-alien-type-method (utf8-string :deport-gen) (type value)
+ (declare (ignore type))
+ `(etypecase ,value
+ (null (int-sap 0))
+ ((alien (* char)) (alien-sap ,value))
+ (simple-base-string (vector-sap ,value))
+ (simple-string (vector-sap (%deport-utf8-string ,value)))))
+
+(/show0 "host-c-call.lisp end of file")