0.8.21.5:
[sbcl.git] / src / code / fd-stream.lisp
index 089b759..152acf2 100644 (file)
            ((zerop bytes)) ; easy case
            ((<= bytes space)
             (if (system-area-pointer-p thing)
-                (system-area-copy thing
-                                  (* start sb!vm:n-byte-bits)
-                                  (fd-stream-obuf-sap fd-stream)
-                                  (* tail sb!vm:n-byte-bits)
-                                  (* bytes sb!vm:n-byte-bits))
+                (system-area-ub8-copy thing start
+                                       (fd-stream-obuf-sap fd-stream)
+                                       tail
+                                       bytes)
                 ;; FIXME: There should be some type checking somewhere to
                 ;; verify that THING here is a vector, not just <not a SAP>.
-                (copy-to-system-area thing
-                                     (+ (* start sb!vm:n-byte-bits)
-                                        (* sb!vm:vector-data-offset
-                                           sb!vm:n-word-bits))
-                                     (fd-stream-obuf-sap fd-stream)
-                                     (* tail sb!vm:n-byte-bits)
-                                     (* bytes sb!vm:n-byte-bits)))
+                (copy-ub8-to-system-area thing start
+                                          (fd-stream-obuf-sap fd-stream)
+                                          tail
+                                          bytes))
             (setf (fd-stream-obuf-tail fd-stream) newtail))
            ((<= bytes len)
             (flush-output-buffer fd-stream)
             (if (system-area-pointer-p thing)
-                (system-area-copy thing
-                                  (* start sb!vm:n-byte-bits)
-                                  (fd-stream-obuf-sap fd-stream)
-                                  0
-                                  (* bytes sb!vm:n-byte-bits))
+                (system-area-ub8-copy thing
+                                       start
+                                       (fd-stream-obuf-sap fd-stream)
+                                       0
+                                       bytes)
                 ;; FIXME: There should be some type checking somewhere to
                 ;; verify that THING here is a vector, not just <not a SAP>.
-                (copy-to-system-area thing
-                                     (+ (* start sb!vm:n-byte-bits)
-                                        (* sb!vm:vector-data-offset
-                                           sb!vm:n-word-bits))
-                                     (fd-stream-obuf-sap fd-stream)
-                                     0
-                                     (* bytes sb!vm:n-byte-bits)))
+                (copy-ub8-to-system-area thing
+                                          start
+                                          (fd-stream-obuf-sap fd-stream)
+                                          0
+                                          bytes))
             (setf (fd-stream-obuf-tail fd-stream) bytes))
            (t
             (flush-output-buffer fd-stream)
             (setf (fd-stream-ibuf-tail stream) 0))
            (t
             (decf tail head)
-            (system-area-copy ibuf-sap (* head sb!vm:n-byte-bits)
-                              ibuf-sap 0 (* tail sb!vm:n-byte-bits))
+            (system-area-ub8-copy ibuf-sap head
+                                   ibuf-sap 0 tail)
             (setf head 0)
             (setf (fd-stream-ibuf-head stream) 0)
             (setf (fd-stream-ibuf-tail stream) tail))))
   (declare (type index start end))
   (let* ((length (- end start))
         (string (make-string length)))
-    (copy-from-system-area sap (* start sb!vm:n-byte-bits)
-                          string (* sb!vm:vector-data-offset
-                                    sb!vm:n-word-bits)
-                          (* length sb!vm:n-byte-bits))
+    (copy-ub8-from-system-area sap start
+                               string 0
+                               length)
     string))
 
 ;;; the N-BIN method for FD-STREAMs