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[14/16] qom: Introduce type_get_instance_size()

Message ID 1377302436-25193-15-git-send-email-afaerber@suse.de
State New
Headers show

Commit Message

Andreas Färber Aug. 24, 2013, midnight UTC 
Helper to obtain the instance_size for a type.

Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 include/qom/object.h | 8 ++++++++
 qom/object.c         | 7 +++++++
 2 files changed, 15 insertions(+)
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Patch

diff --git a/include/qom/object.h b/include/qom/object.h
index 1a7b71a..96b9ab4 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -659,6 +659,14 @@  const char *object_get_typename(Object *obj);
 Type type_register_static(const TypeInfo *info);
 
 /**
+ * type_get_instance_size:
+ * @typename: The name of the #Type to obtain the object size for.
+ *
+ * Returns: The instance size of an object of type @typename.
+ */
+size_t type_get_instance_size(const char *typename);
+
+/**
  * type_register:
  * @info: The #TypeInfo of the new type
  *
diff --git a/qom/object.c b/qom/object.c
index e90e382..71322c3 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -337,6 +337,13 @@  void object_initialize(void *data, size_t size, const char *typename)
     object_initialize_with_type(data, size, type);
 }
 
+size_t type_get_instance_size(const char *typename)
+{
+    TypeImpl *type = type_get_by_name(typename);
+
+    return type->instance_size;
+}
+
 static inline bool object_property_is_child(ObjectProperty *prop)
 {
     return strstart(prop->type, "child<", NULL);