update espMqttclient

lib/espMqttClient/src/Packets/Packet.cpp

@@ -100,7 +100,7 @@ Packet::Packet(espMqttClientTypes::Error& error,
   (password ? 2 + strlen(password) : 0);
 
   // allocate memory
-  if (!_allocate(remainingLength)) {
+  if (!_allocate(remainingLength, false)) {
     error = espMqttClientTypes::Error::OUT_OF_MEMORY;
     return;
   }
@@ -300,8 +300,8 @@ Packet::Packet(espMqttClientTypes::Error& error, MQTTPacketType type)
 }
 
 
-bool Packet::_allocate(size_t remainingLength) {
-  if (EMC_GET_FREE_MEMORY() < EMC_MIN_FREE_MEMORY) {
+bool Packet::_allocate(size_t remainingLength, bool check) {
+  if (check && EMC_GET_FREE_MEMORY() < EMC_MIN_FREE_MEMORY) {
     emc_log_w("Packet buffer not allocated: low memory");
     return false;
   }

lib/espMqttClient/src/Packets/Packet.h

@@ -12,12 +12,12 @@ the LICENSE file.
 #include <stddef.h>
 
 #include "Constants.h"
-#include "Config.h"
+#include "../Config.h"
 #include "../TypeDefs.h"
 #include "../Helpers.h"
 #include "../Logging.h"
 #include "RemainingLength.h"
-#include "String.h"
+#include "StringUtil.h"
 
 namespace espMqttClientInternals {
 
@@ -97,7 +97,7 @@ class Packet {
   , _payloadStartIndex(0)
   , _payloadEndIndex(0)
   , _getPayload(nullptr) {
-    static_assert(sizeof...(Args) % 2 == 0);
+    static_assert(sizeof...(Args) % 2 == 0, "Subscribe should be in topic/qos pairs");
     size_t numberTopics = 2 + (sizeof...(Args) / 2);
     SubscribeItem list[numberTopics] = {topic1, qos1, topic2, qos2, args...};
     _createSubscribe(error, list, numberTopics);
@@ -133,7 +133,7 @@ class Packet {
 
  private:
   // pass remainingLength = total size - header - remainingLengthLength!
-  bool _allocate(size_t remainingLength);
+  bool _allocate(size_t remainingLength, bool check = true);
 
   // fills header and returns index of next available byte in buffer
   size_t _fillPublishHeader(uint16_t packetId,

lib/espMqttClient/src/Packets/StringUtil.cpp

@@ -6,7 +6,7 @@ For a copy, see <https://opensource.org/licenses/MIT> or
 the LICENSE file.
 */
 
-#include "String.h"
+#include "StringUtil.h"
 
 namespace espMqttClientInternals {