+(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))))))