qapi: Use QNull for a more regular visit_type_null()

Make visit_type_null() take an @obj argument like its buddies.  This
helps keep the next commit simple.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Markus Armbruster 2017-06-26 18:22:59 +02:00
parent 006ca09f30
commit d2f95f4d48
15 changed files with 60 additions and 25 deletions

View file

@ -326,14 +326,20 @@ static void parse_type_number(Visitor *v, const char *name, double *obj,
*obj = val;
}
static void parse_type_null(Visitor *v, const char *name, Error **errp)
static void parse_type_null(Visitor *v, const char *name, QNull **obj,
Error **errp)
{
StringInputVisitor *siv = to_siv(v);
*obj = NULL;
if (!siv->string || siv->string[0]) {
error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
"null");
return;
}
*obj = qnull();
}
static void string_input_free(Visitor *v)