qapi: Introduce a first class 'null' type

I expect the 'null' type to be useful mostly for members of alternate
types.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2017-06-26 19:25:14 +02:00
parent d2f95f4d48
commit 4d2d5c41a9
8 changed files with 31 additions and 8 deletions

View file

@ -93,9 +93,9 @@ static inline QType qobject_type(const QObject *obj)
return obj->type;
}
typedef struct QNull {
struct QNull {
QObject base;
} QNull;
};
extern QNull qnull_;