Add remaining interops tests to sync_client_test.c

src/MQTTClient.c

@@ -1246,6 +1246,14 @@ int MQTTClient_subscribeMany(MQTTClient handle, int count, char** topic, int* qo
 		Thread_lock_mutex(mqttclient_mutex);
 		if (pack != NULL)
 		{
+			Suback* sub = (Suback*)pack;	
+			ListElement* current = NULL;
+			i = 0;
+			while (ListNextElement(sub->qoss, &current))
+			{
+				int* reqqos = (int*)(current->content);
+				qos[i++] = *reqqos;
+			}	
 			rc = MQTTProtocol_handleSubacks(pack, m->c->net.socket);
 			m->pack = NULL;
 		}

src/MQTTPacket.c

@@ -384,9 +384,9 @@ char* readUTF(char** pptr, char* enddata)
  * @param pptr pointer to the input buffer - incremented by the number of bytes used & returned
  * @return the character read
  */
-char readChar(char** pptr)
+unsigned char readChar(char** pptr)
 {
-	char c = **pptr;
+	unsigned char c = **pptr;
 	(*pptr)++;
 	return c;
 }
@@ -533,8 +533,8 @@ int MQTTPacket_send_ack(int type, int msgid, int dup, networkHandles *net)
 	header.byte = 0;
 	header.bits.type = type;
 	header.bits.dup = dup;
-  if (type == PUBREL)
-    header.bits.qos = 1;
+	if (type == PUBREL)
+	    header.bits.qos = 1;
 	writeInt(&ptr, msgid);
 	if ((rc = MQTTPacket_send(net, header, buf, 2, 1)) != TCPSOCKET_INTERRUPTED)
 		free(buf);

src/MQTTPacket.h

@@ -202,7 +202,7 @@ int MQTTPacket_encode(char* buf, int length);
 int MQTTPacket_decode(networkHandles* net, int* value);
 int readInt(char** pptr);
 char* readUTF(char** pptr, char* enddata);
-char readChar(char** pptr);
+unsigned char readChar(char** pptr);
 void writeChar(char** pptr, char c);
 void writeInt(char** pptr, int anInt);
 void writeUTF(char** pptr, char* string);

src/utf-8.c

@@ -127,11 +127,17 @@ int UTF8_validate(int len, char* data)
 	int rc = 0;
 
 	FUNC_ENTRY;
+	if (len == 0)
+	{
+		rc = 1;
+		goto exit;
+	}
 	curdata = UTF8_char_validate(len, data);
 	while (curdata && (curdata < data + len))
 		curdata = UTF8_char_validate(len, curdata);
 
 	rc = curdata != NULL;
+exit:
 	FUNC_EXIT_RC(rc);
 	return rc;
 }