X-Git-Url: https://git.distorted.org.uk/~mdw/clg/blobdiff_plain/78778e5a7a70fbc015a73398fe45c2937e556567..aa9ceddc987ea92cb20b319ff7b1a51bc176b6e8:/glib/ffi.lisp

diff --git a/glib/ffi.lisp b/glib/ffi.lisp
index 925eaf8..825facb 100644
--- a/glib/ffi.lisp
+++ b/glib/ffi.lisp
@@ -15,7 +15,7 @@
 ;; License along with this library; if not, write to the Free Software
 ;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
-;; $Id: ffi.lisp,v 1.5 2004-11-12 11:34:14 espen Exp $
+;; $Id: ffi.lisp,v 1.9 2004-12-19 15:31:26 espen Exp $
 
 (in-package "GLIB")
 
@@ -47,15 +47,22 @@
 
 
 (defun default-alien-fname (lisp-name)
-  (let* ((lisp-name-string
-	  (if (char= (char (the simple-string (string lisp-name)) 0) #\%)
-	      (subseq (the simple-string (string lisp-name)) 1)
-	    (string lisp-name)))
-	 (prefix (package-prefix *package*))
-	 (name (substitute #\_ #\- (string-downcase lisp-name-string))))
+  (let* ((name (substitute #\_ #\- (string-downcase lisp-name)))
+	 (stripped-name
+	  (cond
+	   ((and 
+	     (char= (char name 0) #\%)
+	     (string= "_p" name :start2 (- (length name) 2)))
+	    (subseq name 1 (- (length name) 2)))
+	   ((char= (char name 0) #\%)
+	    (subseq name 1))
+	   ((string= "_p" name :start2 (- (length name) 2))
+	    (subseq name 0 (- (length name) 2)))
+	   (name)))
+	 (prefix (package-prefix *package*)))
     (if (or (not prefix) (string= prefix ""))
-	name
-      (format nil "~A_~A" prefix name))))
+	stripped-name
+      (format nil "~A_~A" prefix stripped-name))))
 
 (defun default-alien-type-name (type-name)
   (let ((prefix (package-prefix *package*)))
@@ -234,6 +241,11 @@
 (def-type-method from-alien-function ())
 (def-type-method cleanup-function ())
 
+(def-type-method copy-to-alien-form (form))
+(def-type-method copy-to-alien-function ())
+(def-type-method copy-from-alien-form (form))
+(def-type-method copy-from-alien-function ())
+
 (def-type-method writer-function ())
 (def-type-method reader-function ())
 (def-type-method destroy-function ())
@@ -294,9 +306,21 @@
 
 (defmethod destroy-function ((type t) &rest args)
   (declare (ignore type args))
-  #'(lambda (location offset)
+  #'(lambda (location &optional offset)
       (declare (ignore location offset))))
 
+(defmethod copy-to-alien-form  (form (type t) &rest args)
+  (apply #'to-alien-form form type args))
+
+(defmethod copy-to-alien-function  ((type t) &rest args)
+  (apply #'to-alien-function type args))
+
+(defmethod copy-from-alien-form  (form (type t) &rest args)
+  (apply #'from-alien-form form type args))
+
+(defmethod copy-from-alien-function  ((type t) &rest args)
+  (apply #'from-alien-function type args))
+
 
 (defmethod alien-type ((type (eql 'signed-byte)) &rest args)
   (declare (ignore type))
@@ -435,7 +459,7 @@
 
 (defmethod size-of ((type (eql 'double-float)) &rest args)
   (declare (ignore type args))
-  +size-of-float+)
+  +size-of-double+)
 
 (defmethod writer-function ((type (eql 'double-float)) &rest args)
   (declare (ignore type args))
@@ -494,13 +518,17 @@
   (declare (ignore type args))
   `(let ((string ,string))
     (unless (null-pointer-p string)
-      (c-call::%naturalize-c-string string))))
+      (prog1
+	  (c-call::%naturalize-c-string string)
+	(deallocate-memory string)))))
 
 (defmethod from-alien-function ((type (eql 'string)) &rest args)
   (declare (ignore type args))
   #'(lambda (string)
       (unless (null-pointer-p string)
-	(c-call::%naturalize-c-string string))))
+	(prog1
+	    (c-call::%naturalize-c-string string)
+	  (deallocate-memory string)))))
 
 (defmethod cleanup-form (string (type (eql 'string)) &rest args)
   (declare (ignore type args))
@@ -514,6 +542,18 @@
       (unless (null-pointer-p string)
 	(deallocate-memory string))))
 
+(defmethod copy-from-alien-form (string (type (eql 'string)) &rest args)
+  (declare (ignore type args))
+  `(let ((string ,string))
+    (unless (null-pointer-p string)
+      (c-call::%naturalize-c-string string))))
+
+(defmethod copy-from-alien-function ((type (eql 'string)) &rest args)
+  (declare (ignore type args))
+  #'(lambda (string)
+      (unless (null-pointer-p string)
+	(c-call::%naturalize-c-string string))))
+
 (defmethod writer-function ((type (eql 'string)) &rest args)
   (declare (ignore type args))
   #'(lambda (string location &optional (offset 0))
@@ -709,3 +749,38 @@
   #'(lambda (value)
       (declare (ignore value))
       (values)))
+
+
+(defmethod alien-type ((type (eql 'copy-of)) &rest args)
+  (declare (ignore type))
+  (alien-type (first args)))
+
+(defmethod size-of ((type (eql 'copy-of)) &rest args)
+  (declare (ignore type))
+  (size-of (first args)))
+
+(defmethod to-alien-form (form (type (eql 'copy-of)) &rest args)
+  (declare (ignore type))
+  (copy-to-alien-form form (first args)))
+
+(defmethod to-alien-function ((type (eql 'copy-of)) &rest args)
+  (declare (ignore type))
+  (copy-to-alien-function (first args)))
+
+(defmethod from-alien-form (form (type (eql 'copy-of)) &rest args)
+  (declare (ignore type))
+  (copy-from-alien-form form (first args)))
+
+(defmethod from-alien-function ((type (eql 'copy-of)) &rest args)
+  (declare (ignore type))
+  (copy-from-alien-function (first args)))
+
+(defmethod reader-function ((type (eql 'copy-of)) &rest args)
+  (declare (ignore type))
+  (reader-function (first args)))
+
+(defmethod writer-function ((type (eql 'copy-of)) &rest args)
+  (declare (ignore type))
+  (writer-function (first args)))
+
+(export 'copy-of)