@@ -367,6 +367,13 @@ typedef void (ObjectPropertyRelease)(Object *obj,
*/
typedef void (ObjectPropertyInit)(Object *obj, ObjectProperty *prop);
+/**
+ * ObjectPropertyGetDefault:
+ *
+ * Get an allocated string representation of the default value.
+ */
+typedef char *(ObjectPropertyGetDefault)(ObjectProperty *prop);
+
struct ObjectProperty
{
gchar *name;
@@ -377,6 +384,7 @@ struct ObjectProperty
ObjectPropertyResolve *resolve;
ObjectPropertyRelease *release;
ObjectPropertyInit *init;
+ ObjectPropertyGetDefault *get_default;
void *opaque;
};
@@ -1233,6 +1241,15 @@ bool object_property_get_bool(Object *obj, const char *name,
void object_property_set_int(Object *obj, int64_t value,
const char *name, Error **errp);
+/**
+ * object_property_get_defaut:
+ * @prop: the property to get default value
+ *
+ * Return an allocated string that represents the default property
+ * value or NULL.
+ */
+char *object_property_get_default(ObjectProperty *prop);
+
/**
* object_property_get_int:
* @obj: the object
@@ -1429,6 +1429,15 @@ int64_t object_property_get_int(Object *obj, const char *name,
return retval;
}
+char *object_property_get_default(ObjectProperty *prop)
+{
+ if (!prop->get_default) {
+ return NULL;
+ }
+
+ return prop->get_default(prop);
+}
+
void object_property_set_uint(Object *obj, uint64_t value,
const char *name, Error **errp)
{
The new callback will be used in following "object: add object_property_set_defaut_{bool,str,int,uint}()" and "vl: print default value in object help" patches. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> --- include/qom/object.h | 17 +++++++++++++++++ qom/object.c | 9 +++++++++ 2 files changed, 26 insertions(+)