r10100: move function so that deref-array macro is defined

diff --git a/src/aggregates.lisp b/src/aggregates.lisp
index 4160864817e5701ad8a7bec4af0c57ccf64134c4..5fdc9081d430acc5e83ec570f01d3d99764d00f2 100644 (file)
--- a/src/aggregates.lisp
+++ b/src/aggregates.lisp
@@ -213,3 +213,37 @@ of the enum-name name, separator-string, and field-name"
   `(ccl::def-foreign-type nil 
                          (:union ,name ,@(process-struct-fields name fields)))
 )
+
+
+#-(or sbcl cmu)
+(defun convert-from-foreign-usb8 (s len)
+  (declare (optimize (speed 3) (space 0) (safety 0) (compilation-speed 0))
+          (fixnum len))
+  (let ((a (make-array len :element-type '(unsigned-byte 8))))
+    (dotimes (i len a)
+      (declare (fixnum i))
+      (setf (aref a i) (uffi:deref-array s '(:array :unsigned-byte) i)))))
+
+#+sbcl
+(defun convert-from-foreign-usb8 (s len)
+  (declare (type sb-sys:system-area-pointer sap))
+  (locally
+      (declare (optimize (speed 3) (safety 0)))
+    (let ((result (make-array len :element-type '(unsiged-byte 8))))
+      (sb-kernel:copy-from-system-area s 0
+                                      result (* sb-vm:vector-data-offset
+                                                sb-vm:n-word-bits)
+                                      (* len sb-vm:n-byte-bits))
+      result)))
+
+#+cmu
+(defun convert-from-foreign-usb8 (s le)
+  (declare (type system:system-area-pointer sap))
+  (locally
+      (declare (optimize (speed 3) (safety 0)))
+    (let ((result (make-array len :element-type '(unsiged-byte 8))))
+      (kernel:copy-from-system-area s 0
+                                   result (* vm:vector-data-offset
+                                             vm:word-bits)
+                                   (* len vm:byte-bits))
+      result)))