Fix Windows build of test_issue373 and increase number of iterations

The functions implemented in Heap.c are not usable for Windows builds.
Therefore use only for none MSVC builds.

Increase the workload and number of connect/disconnects.
Signed-off-by: Juergen Kosel <juergen.kosel@softing.com>

test/test_issue373.c

@@ -286,15 +286,17 @@ int test_373(struct Options options)
 		goto exit;
 	}
 	MQTTAsync_setTraceLevel(MQTTASYNC_TRACE_ERROR);
-	while (connectCnt < 5)
+	while (connectCnt < 10)
 	{
-		MyLog(LOGA_INFO, "Connected %d connectCnt %d\n",connected,connectCnt);
-		mqtt_mem = Heap_get_info();
-		MyLog(LOGA_INFO, "PublishCnt %d, FailedCnt %d, Pending %d maxPending %d",
-		      goodPublishCnt,failedPublishCnt,pendingMessageCnt,pendingMessageCntMax);
-		MyLog(LOGA_INFO, "MQTT mem current %ld, max %ld",mqtt_mem->current_size,mqtt_mem->max_size);
 		if (!connected)
 		{
+			MyLog(LOGA_INFO, "Connected %d connectCnt %d\n",connected,connectCnt);
+			MyLog(LOGA_INFO, "PublishCnt %d, FailedCnt %d, Pending %d maxPending %d",
+			      goodPublishCnt,failedPublishCnt,pendingMessageCnt,pendingMessageCntMax);
+#if !defined(_WINDOWS)
+			mqtt_mem = Heap_get_info();
+			MyLog(LOGA_INFO, "MQTT mem current %ld, max %ld",mqtt_mem->current_size,mqtt_mem->max_size);
+#endif
 			/* (re)connect to the broker */
 			if (connecting)
 			{
@@ -320,20 +322,24 @@ int test_373(struct Options options)
 				rc = test373SendPublishMessage(mqttasyncContext,topicId);
 				if (rc != MQTTASYNC_SUCCESS) break;
 			}
-			MySleep(1000);
+			MySleep(100);
 		}
 	}
 	MySleep(5000);
 	MyLog(LOGA_INFO, "PublishCnt %d, FailedCnt %d, Pending %d maxPending %d",
 	      goodPublishCnt,failedPublishCnt,pendingMessageCnt,pendingMessageCntMax);
+#if !defined(_WINDOWS)
 	mqtt_mem = Heap_get_info();
 	MyLog(LOGA_INFO, "MQTT mem current %ld, max %ld",mqtt_mem->current_size,mqtt_mem->max_size);
+#endif
 	MQTTAsync_disconnect(mqttasyncContext, NULL);
-	mqtt_mem = Heap_get_info();
 	MyLog(LOGA_INFO, "PublishCnt %d, FailedCnt %d, Pending %d maxPending %d",
 	      goodPublishCnt,failedPublishCnt,pendingMessageCnt,pendingMessageCntMax);
+#if !defined(_WINDOWS)
+	mqtt_mem = Heap_get_info();
 	MyLog(LOGA_INFO, "MQTT mem current %ld, max %ld",mqtt_mem->current_size,mqtt_mem->max_size);
 	if (mqtt_mem->current_size > 0) failures++; /* consider any not freed memory as failure */
+#endif
 exit:
 	MQTTAsync_destroy(&mqttasyncContext);
 	return failures;