libqtest: Simplify qmp_fd_vsend() a bit

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-9-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2018-08-06 08:53:29 +02:00
parent 4ff184689b
commit 69f0cb661a
1 changed files with 7 additions and 11 deletions

View File

@ -488,24 +488,20 @@ QDict *qtest_qmp_receive(QTestState *s)
*/
void qmp_fd_vsend(int fd, const char *fmt, va_list ap)
{
va_list ap_copy;
QObject *qobj;
/* qobject_from_jsonv() silently eats leading 0xff as invalid
* JSON, but we want to test sending them over the wire to force
* resyncs */
/*
* qobject_from_vjsonf_nofail() chokes on leading 0xff as invalid
* JSON, but tests/test-qga.c needs to send that to test QGA
* synchronization
*/
if (*fmt == '\377') {
socket_send(fd, fmt, 1);
fmt++;
}
/* Going through qobject ensures we escape strings properly.
* This seemingly unnecessary copy is required in case va_list
* is an array type.
*/
va_copy(ap_copy, ap);
qobj = qobject_from_jsonv(fmt, &ap_copy, &error_abort);
va_end(ap_copy);
/* Going through qobject ensures we escape strings properly */
qobj = qobject_from_vjsonf_nofail(fmt, ap);
/* No need to send anything for an empty QObject. */
if (qobj) {