qtest: Factor out qtest_qmp_receive()

Signed-off-by: Andreas Färber <afaerber@suse.de>

tests/libqtest.c

@@ -345,14 +345,10 @@ static void qmp_response(JSONMessageParser *parser, QList *tokens)
     qmp->response = (QDict *)obj;
 }
 
-QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap)
+QDict *qtest_qmp_receive(QTestState *s)
 {
     QMPResponseParser qmp;
 
-    /* Send QMP request */
-    socket_sendf(s->qmp_fd, fmt, ap);
-
-    /* Receive reply */
     qmp.response = NULL;
     json_message_parser_init(&qmp.parser, qmp_response);
     while (!qmp.response) {
@@ -376,6 +372,15 @@ QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap)
     return qmp.response;
 }
 
+QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap)
+{
+    /* Send QMP request */
+    socket_sendf(s->qmp_fd, fmt, ap);
+
+    /* Receive reply */
+    return qtest_qmp_receive(s);
+}
+
 QDict *qtest_qmp(QTestState *s, const char *fmt, ...)
 {
     va_list ap;

tests/libqtest.h

@@ -82,6 +82,14 @@ void qtest_qmpv_discard_response(QTestState *s, const char *fmt, va_list ap);
  */
 QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap);
 
+/**
+ * qtest_receive:
+ * @s: #QTestState instance to operate on.
+ *
+ * Reads a QMP message from QEMU and returns the response.
+ */
+QDict *qtest_qmp_receive(QTestState *s);
+
 /**
  * qtest_get_irq:
  * @s: #QTestState instance to operate on.
@@ -366,6 +374,16 @@ QDict *qmp(const char *fmt, ...);
  */
 void qmp_discard_response(const char *fmt, ...);
 
+/**
+ * qmp_receive:
+ *
+ * Reads a QMP message from QEMU and returns the response.
+ */
+static inline QDict *qmp_receive(void)
+{
+    return qtest_qmp_receive(global_qtest);
+}
+
 /**
  * get_irq:
  * @num: Interrupt to observe.