- ;; Choose optimized routine
- #-(or cmu sbcl)
- (native-to-string char-ptr)
- #+(or cmu sbcl)
- (uffi:convert-from-foreign-string char-ptr)))))))
-
-
-(uffi:def-function "strlen"
- ((str (* :unsigned-char)))
- :returning :unsigned-int)
-
-(defun native-to-string (s)
- (declare (optimize (speed 3) (space 0) (safety 0) (compilation-speed 0))
- (type char-ptr-def s))
- (let* ((len (strlen s))
- (str (make-string len)))
- (declare (fixnum len)
- (simple-string str))
- (do ((i 0))
- ((= i len))
- (declare (fixnum i))
- (setf (schar str i)
- (code-char (uffi:deref-array s '(:array :unsigned-char) i)))
- (incf i))
- str))
-
-#-allegro
-(defun native-to-string (s)
- (declare (optimize (speed 3) (space 0) (safety 0) (compilation-speed 0))
- (type char-ptr-def s))
- (let* ((len (strlen s))
- (str (make-string len)))
- (declare (fixnum len)
- (simple-string str))
- (do ((i 0))
- ((= i len))
- (declare (fixnum i))
- (setf (schar str i)
- (code-char (uffi:deref-array s '(:array :unsigned-char) i)))
- (incf i))
- str))
-
-#+allegro
-(excl:ics-target-case
- (:+ics
- (defun native-to-string (s)
- (declare (optimize (speed 3) (space 0) (safety 0) (compilation-speed 0))
- (type char-ptr-def s))
- (let* ((len (strlen s))
- (str (make-string len)))
- (declare (fixnum len)
- (simple-string str))
- (do ((i 0))
- ((= i len))
- (declare (fixnum i))
- (setf (schar str i)
- (code-char (uffi:deref-array s '(:array :unsigned-char) i)))
- (incf i))
- str)))
- (:-ics
- (defun native-to-string (s)
- (declare (optimize (speed 3) (space 0) (safety 0) (compilation-speed 0))
- (type char-ptr-def s))
- (let* ((len (strlen s))
- (len4 (floor len 4))
- (str (make-string len)))
- (declare (fixnum len)
- (type (simple-array (signed-byte 32) (*)) str))
- (do ((i 0))
- ((= i len4))
- (declare (fixnum i))
- (setf (aref (the (simple-array (signed-byte 32) (*)) str) i)
- (uffi:deref-array s '(:array :signed-int) i))
- (incf i))
- (do ((i (* 4 len4)))
- ((= i len))
- (declare (fixnum i))
- (setf (aref (the (simple-array (signed-byte 8) (*)) str) i)
- (uffi:deref-array s '(:array :unsigned-char) i))
- (incf i))
- str))