-(defun char-ptr-points-to-null (char-ptr)
- "Returns T if foreign character pointer refers to 'NULL' string. Only called for numeric entries"
- ;; Uses short cut and returns T if first character is #\N. It should
- ;; never be non-numeric
- (declare (type char-ptr-def char-ptr))
- (let ((char (uffi:ensure-char-character
- (uffi:deref-pointer char-ptr :char))))
- (eql char #\N)))
-
-(defun convert-raw-field (char-ptr types index)
- (let ((type (if (listp types)
- (nth index types)
- types)))
- (cond
- ((and (or (eq type :double) (eq type :int32) (eq type :int)
- (eq type :int64))
- (char-ptr-points-to-null char-ptr))
- nil)
- (t
- (case type
- (:double
- (atof char-ptr))
- ((or :int32 :int)
- (atoi char-ptr))
- (:int64
- (uffi:with-foreign-object (high32-ptr :int)
- (let ((low32 (atol64 char-ptr high32-ptr))
- (high32 (uffi:deref-pointer high32-ptr :int)))
- (if (zerop high32)
- low32
- (make-64-bit-integer high32 low32)))))
- (t
- ;; Choose optimized routine
- #-(or cmu sbcl lispworks scl)
- (native-to-string char-ptr)
- #+(or cmu sbcl lispworks scl)
- (uffi:convert-from-foreign-string char-ptr)))))))
-
-
-(uffi:def-function "strlen"
- ((str (* :unsigned-char)))
- :returning :unsigned-int)
-
-#-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))
-
-#+(and allegro 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))
-
-#-(and allegro 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 :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))
-
-
-
+(defun strtoul (char-ptr)
+ (declare (optimize (speed 3) (safety 0) (space 0))
+ (type char-ptr-def char-ptr))
+ (c-strtoul char-ptr uffi:+null-cstring-pointer+ 10))
+
+(defun convert-raw-field (char-ptr type &key length encoding)
+ (declare (optimize (speed 3) (safety 0) (space 0))
+ (type char-ptr-def char-ptr))
+ (cond
+ ((uffi:null-pointer-p char-ptr)
+ nil)
+ (t
+ (case type
+ (:double
+ (atof char-ptr))
+ (:int
+ (atol char-ptr))
+ (:int32
+ (atoi char-ptr))
+ (:uint32
+ (strtoul char-ptr))
+ (:uint
+ (strtoul char-ptr))
+ ((:int64 :uint64)
+ (uffi:with-foreign-object (high32-ptr :unsigned-int)
+ (let ((low32 (atol64 char-ptr high32-ptr))
+ (high32 (uffi:deref-pointer high32-ptr :unsigned-int)))
+ (if (zerop high32)
+ low32
+ (make-64-bit-integer high32 low32)))))
+ (:blob
+ (if length
+ (uffi:convert-from-foreign-usb8 char-ptr length)
+ (error "Can't return blob since length is not specified.")))
+ (t
+ (uffi:convert-from-foreign-string char-ptr
+ :null-terminated-p nil
+ :length length
+ :encoding encoding))))))