> Subject: Re: [Qemu-devel] [PATCH v4 2/5] qom: add description field in > ObjectProperty struct > > On Tue, Sep 30, 2014 at 11:02:36AM +0800, arei.gong...@huawei.com wrote: > > From: Gonglei <arei.gong...@huawei.com> > > > > The descriptions can serve as documentation in the code, > > and they can be used to provide better help. > > > > When we call object_property_add_alias() adding alias properties to > > the source object on the target Object, set the object property's > > description to the source object property's. > > > I think by the above you mean "Copy property descriptions when copying alias > properties"? > Yes.
> > Cc: Paolo Bonzini <pbonz...@redhat.com> > > Cc: Michael S. Tsirkin <m...@redhat.com> > > Cc: Markus Armbruster <arm...@redhat.com> > > Signed-off-by: Gonglei <arei.gong...@huawei.com> > > --- > > include/qom/object.h | 15 +++++++++++++++ > > qom/object.c | 20 ++++++++++++++++++++ > > 2 files changed, 35 insertions(+) > > > > diff --git a/include/qom/object.h b/include/qom/object.h > > index 8a05a81..ddc600d 100644 > > --- a/include/qom/object.h > > +++ b/include/qom/object.h > > @@ -338,6 +338,7 @@ typedef struct ObjectProperty > > { > > gchar *name; > > gchar *type; > > + gchar *description; > > ObjectPropertyAccessor *get; > > ObjectPropertyAccessor *set; > > ObjectPropertyResolve *resolve; > > @@ -1274,6 +1275,20 @@ void object_property_add_alias(Object *obj, > const char *name, > > Object *target_obj, const char > *target_name, > > Error **errp); > > > > + > > Avoid duplicate empty lines please. > OK. Thanks. Best regards, -Gonglei > > +/** > > + * object_property_set_description: > > + * @obj: the object to set a property's description to > > do you mean "the object owning the property"? > > > + * @name: the name of the property > > + * @description: the description of the property on the object > > + * @errp: if an error occurs, a pointer to an area to store the error > > + * > > + * Set an object property's description. > > + * > > + */ > > +void object_property_set_description(Object *obj, const char *name, > > + const char *description, Error > **errp); > > + > > /** > > * object_child_foreach: > > * @obj: the object whose children will be navigated > > diff --git a/qom/object.c b/qom/object.c > > index 575291f..a751367 100644 > > --- a/qom/object.c > > +++ b/qom/object.c > > @@ -369,6 +369,7 @@ static void object_property_del_all(Object *obj) > > > > g_free(prop->name); > > g_free(prop->type); > > + g_free(prop->description); > > g_free(prop); > > } > > } > > @@ -803,6 +804,7 @@ void object_property_del(Object *obj, const char > *name, Error **errp) > > > > g_free(prop->name); > > g_free(prop->type); > > + g_free(prop->description); > > g_free(prop); > > } > > > > @@ -1672,10 +1674,28 @@ void object_property_add_alias(Object *obj, > const char *name, > > } > > op->resolve = property_resolve_alias; > > > > + object_property_set_description(obj, name, > > + target_prop->description, > > + &error_abort); > > + > > out: > > g_free(prop_type); > > } > > > > +void object_property_set_description(Object *obj, const char *name, > > + const char *description, Error > **errp) > > +{ > > + ObjectProperty *op; > > + > > + op = object_property_find(obj, name, errp); > > + if (!op) { > > + return; > > + } > > + > > + g_free(op->description); > > + op->description = g_strdup(description); > > +} > > + > > static void object_instance_init(Object *obj) > > { > > object_property_add_str(obj, "type", qdev_get_type, NULL, NULL); > > -- > > 2.0.4 > >