From d714b8de7747f20fe42e5716d1d44f91e2b891f4 Mon Sep 17 00:00:00 2001 From: Peter Crosthwaite Date: Tue, 8 Sep 2015 17:38:43 +0100 Subject: qom: Add recursive version of object_child_for_each Useful for iterating through an entire QOM subtree. Signed-off-by: Peter Crosthwaite Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell Reviewed-by: Edgar E. Iglesias Tested-by: Edgar E. Iglesias Message-id: 1441383782-24378-2-git-send-email-peter.maydell@linaro.org --- qom/object.c | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) (limited to 'qom/object.c') diff --git a/qom/object.c b/qom/object.c index eea8edf3d3..b7b05d3ffb 100644 --- a/qom/object.c +++ b/qom/object.c @@ -775,23 +775,42 @@ void object_class_foreach(void (*fn)(ObjectClass *klass, void *opaque), 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; -- cgit v1.2.3