;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-;; $Id: gparam.lisp,v 1.26 2007-08-20 10:50:25 espen Exp $
+;; $Id: gparam.lisp,v 1.27 2008-11-04 03:22:23 espen Exp $
(in-package "GLIB")
(defconstant +gvalue-size+ (size-of-gvalue))
(defconstant +gvalue-value-offset+
(max (size-of 'type-number) (type-alignment '(unsigned-byte 64))))
+(defconstant +gvalue-flags-offset+
+ (+ +gvalue-value-offset+ (size-of '(unsigned-byte 64))))
+(defconstant +gvalue-nocopy-contents-flag+ 27)
(defbinding (%gvalue-init "g_value_init") () nil
(value gvalue)
;; This will signal an error if the type hierarchy is unknown
(type-from-number type-number t))))))
+(let ((flags-reader nil))
+ (defun gvalue-static-p (gvalue)
+ (unless flags-reader
+ (setf flags-reader (reader-function 'unsigned-int)))
+ (prog1
+ (ldb-test (byte 1 +gvalue-nocopy-contents-flag+)
+ (funcall flags-reader gvalue +gvalue-flags-offset+))
+ (force-output))))
+
(defun gvalue-get (gvalue)
(funcall (reader-function (gvalue-type gvalue))
gvalue +gvalue-value-offset+))
gvalue +gvalue-value-offset+))
(defun gvalue-take (gvalue)
- (funcall (reader-function (gvalue-type gvalue) :ref :get)
+ (funcall (reader-function (gvalue-type gvalue)
+ :ref (if (gvalue-static-p gvalue) :peek :get))
gvalue +gvalue-value-offset+))
(defun gvalue-set (gvalue value)