qom: Add recursive version of object_child_for_each
Useful for iterating through an entire QOM subtree.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1441383782-24378-2-git-send-email-peter.maydell@linaro.org
diff --git a/qom/object.c b/qom/object.c
index eea8edf..b7b05d3 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -775,23 +775,42 @@
enumerating_types = false;
}
-int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque),
- void *opaque)
+static int do_object_child_foreach(Object *obj,
+ int (*fn)(Object *child, void *opaque),
+ void *opaque, bool recurse)
{
ObjectProperty *prop, *next;
int ret = 0;
QTAILQ_FOREACH_SAFE(prop, &obj->properties, node, next) {
if (object_property_is_child(prop)) {
- ret = fn(prop->opaque, opaque);
+ Object *child = prop->opaque;
+
+ ret = fn(child, opaque);
if (ret != 0) {
break;
}
+ if (recurse) {
+ do_object_child_foreach(child, fn, opaque, true);
+ }
}
}
return ret;
}
+int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque),
+ void *opaque)
+{
+ return do_object_child_foreach(obj, fn, opaque, false);
+}
+
+int object_child_foreach_recursive(Object *obj,
+ int (*fn)(Object *child, void *opaque),
+ void *opaque)
+{
+ return do_object_child_foreach(obj, fn, opaque, true);
+}
+
static void object_class_get_list_tramp(ObjectClass *klass, void *opaque)
{
GSList **list = opaque;