r9278: addition openmcl fix

[uffi.git] / src / strings.lisp

diff --git a/src/strings.lisp b/src/strings.lisp
index 0585d43ada673ff958cd16b92c0edff088343214..0f01e97ba1245103f0c8f8b5affaaa3f0ef019dc 100644 (file)
--- a/src/strings.lisp
+++ b/src/strings.lisp
@@ -188,25 +188,33 @@ that LW/CMU automatically converts strings from c-calls."
   #+mcl
   `(if (ccl:%null-ptr-p ,obj)
      nil
-     (ccl:%get-cstring ,obj 0 ,@(if length (list length) nil)))
+    #+(and mcl (not openmcl)) (ccl:%get-cstring ,obj 0 ,@(if length (list length) nil))
+    #+openmcl (let ((str (ccl:%get-cstring ,obj)))
+               ,(if length '(subseq str 0 length) 'str)))
   )
 
 
 (defmacro allocate-foreign-string (size &key (unsigned t))
-  #+(or cmu scl)
+  #+ignore
   (let ((array-def (gensym)))
     `(let ((,array-def (list 'alien:array 'c-call:char ,size)))
        (eval `(alien:cast (alien:make-alien ,,array-def) 
                          ,(if ,unsigned 
                               '(* (alien:unsigned 8))
                             '(* (alien:signed 8)))))))
+
+  #+(or cmu scl)
+  `(alien:make-alien ,(if unsigned 
+                            '(alien:unsigned 8)
+                            '(alien:signed 8))
+    ,size)
+
   #+sbcl
-  (let ((array-def (gensym)))
-    `(let ((,array-def (list 'sb-alien:array 'char ,size)))
-       (eval `(sb-alien:cast (sb-alien:make-alien ,,array-def) 
-                         ,(if ,unsigned 
-                              '(* (sb-alien:unsigned 8))
-                            '(* (sb-alien:signed 8)))))))
+  `(sb-alien:make-alien ,(if unsigned 
+                            '(sb-alien:unsigned 8)
+                            '(sb-alien:signed 8))
+    ,size)
+
   #+lispworks
   `(fli:allocate-foreign-object :type 
                                ,(if unsigned 
@@ -224,10 +232,10 @@ that LW/CMU automatically converts strings from c-calls."
   )
 
 (defun foreign-string-length (foreign-string)
-  #+allegro `(ff:foreign-strlen ,ptr)
+  #+allegro `(ff:foreign-strlen ,foreign-string)
   #-allegro
   `(loop with size = 0
-    until (char= (deref-array ,ptr '(:array :unsigned-char) size) #\Null)
+    until (char= (deref-array ,foreign-string '(:array :unsigned-char) size) #\Null)
     do (incf size)
     finally return size))
 
@@ -312,10 +320,10 @@ that LW/CMU automatically converts strings from c-calls."
                                    (* length sb-vm:n-byte-bits))
       result)))
 
-
-(def-function "strlen"
-    ((str (* :unsigned-char)))
-  :returning :unsigned-int)
+(eval-when (:compile-toplevel :load-toplevel :execute)
+   (def-function "strlen"
+     ((str (* :unsigned-char)))
+     :returning :unsigned-int))
 
 (def-type char-ptr-def (* :unsigned-char))