qapi: Fix Visitor contract for start_alternate()

The contract demands v->start_alternate() for input and dealloc
visitors, but visit_start_alternate() actually requires it for input
and clone visitors.  Fix the contract, and delete superfluous
qapi_dealloc_start_alternate().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200424084338.26803-8-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2020-04-24 10:43:30 +02:00
parent 8e08bf4ea2
commit 8b7ce95b46
2 changed files with 2 additions and 10 deletions

View File

@ -67,13 +67,12 @@ struct Visitor
/* Must be set */
void (*end_list)(Visitor *v, void **list);
/* Must be set by input and dealloc visitors to visit alternates;
* optional for output visitors. */
/* Must be set by input and clone visitors to visit alternates */
void (*start_alternate)(Visitor *v, const char *name,
GenericAlternate **obj, size_t size,
Error **errp);
/* Optional, needed for dealloc visitor */
/* Optional */
void (*end_alternate)(Visitor *v, void **obj);
/* Must be set */

View File

@ -34,12 +34,6 @@ static void qapi_dealloc_end_struct(Visitor *v, void **obj)
}
}
static void qapi_dealloc_start_alternate(Visitor *v, const char *name,
GenericAlternate **obj, size_t size,
Error **errp)
{
}
static void qapi_dealloc_end_alternate(Visitor *v, void **obj)
{
if (obj) {
@ -123,7 +117,6 @@ Visitor *qapi_dealloc_visitor_new(void)
v->visitor.type = VISITOR_DEALLOC;
v->visitor.start_struct = qapi_dealloc_start_struct;
v->visitor.end_struct = qapi_dealloc_end_struct;
v->visitor.start_alternate = qapi_dealloc_start_alternate;
v->visitor.end_alternate = qapi_dealloc_end_alternate;
v->visitor.start_list = qapi_dealloc_start_list;
v->visitor.next_list = qapi_dealloc_next_list;