From 422ca1432f7b44f2a9f3ad94a65d36927da021fa Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Wed, 12 Sep 2018 16:53:03 +0400 Subject: [PATCH] qom/object: add some interface asserts MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit An interface can't have any instance size or callback, or itself implement other interfaces (this is unsupported). Signed-off-by: Marc-André Lureau Message-Id: <20180912125303.29158-1-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini --- qom/object.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/qom/object.c b/qom/object.c index 75d1d48944..9222b23172 100644 --- a/qom/object.c +++ b/qom/object.c @@ -286,7 +286,14 @@ static void type_initialize(TypeImpl *ti) if (ti->instance_size == 0) { ti->abstract = true; } - + if (type_is_ancestor(ti, type_interface)) { + assert(ti->instance_size == 0); + assert(ti->abstract); + assert(!ti->instance_init); + assert(!ti->instance_post_init); + assert(!ti->instance_finalize); + assert(!ti->num_interfaces); + } ti->class = g_malloc0(ti->class_size); parent = type_get_parent(ti);