From e7cce67f27bce49d8b6d09f4e66059d1fd117ebb Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Wed, 2 May 2012 13:30:54 +0200 Subject: [PATCH] qom: Add object_class_get_parent() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This simple bit of functionality was missing and we'll need it soon, so add it. Signed-off-by: Paolo Bonzini Reviewed-by: Anthony Liguori [AF: Document possible NULL return value] Signed-off-by: Andreas Färber --- include/qemu/object.h | 8 ++++++++ qom/object.c | 13 +++++++++++++ 2 files changed, 21 insertions(+) diff --git a/include/qemu/object.h b/include/qemu/object.h index d93b772..487559c 100644 --- a/include/qemu/object.h +++ b/include/qemu/object.h @@ -548,6 +548,14 @@ ObjectClass *object_class_dynamic_cast(ObjectClass *klass, const char *typename); /** + * object_class_get_parent: + * @klass: The class to obtain the parent for. + * + * Returns: The parent for @klass or %NULL if none. + */ +ObjectClass *object_class_get_parent(ObjectClass *klass); + +/** * object_class_get_name: * @klass: The class to obtain the QOM typename for. * diff --git a/qom/object.c b/qom/object.c index 6f839ad..9582230 100644 --- a/qom/object.c +++ b/qom/object.c @@ -545,6 +545,19 @@ ObjectClass *object_class_by_name(const char *typename) return type->class; } +ObjectClass *object_class_get_parent(ObjectClass *class) +{ + TypeImpl *type = type_get_parent(class->type); + + if (!type) { + return NULL; + } + + type_initialize(type); + + return type->class; +} + typedef struct OCFData { void (*fn)(ObjectClass *klass, void *opaque); -- 2.7.4