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qapi: Document visit_type_any() issues with keyval input

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It's already documented in keyval.c (commit 0ee9ae7), but visitor.h
can use a note, too.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1495471335-23707-3-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Markus Armbruster 2017-05-22 18:42:13 +02:00
parent 5891c388bb
commit 8339fa266c
1 changed files with 4 additions and 0 deletions
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4
include/qapi/visitor.h
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@ -607,6 +607,10 @@ void visit_type_number(Visitor *v, const char *name, double *obj,
* @obj must be non-NULL. Input visitors set *@obj to the value;
* other visitors will leave *@obj unchanged. *@obj must be non-NULL
* for output visitors.
*
* Note that some kinds of input can't express arbitrary QObject.
* E.g. the visitor returned by qobject_input_visitor_new_keyval()
* can't create numbers or booleans, only strings.
*/
void visit_type_any(Visitor *v, const char *name, QObject **obj, Error **errp);