fixed some heap error

Author: tctlrd

src/log.esp

@@ -111,7 +111,7 @@ void sendLogFile(int page, String fileName, int logFileType, AsyncWebSocketClien
 	AsyncWebSocketMessageBuffer *buffer = ws.makeBuffer(len);
 	if (buffer)
 	{
-		serializeJson(root, (char *)buffer->get(), len + 1);
+		serializeJson(root, (char *)buffer->get(), len);
 		client->text(buffer);
 		if (logFileType == LOGTYPE_EVENTLOG)
 			client->text("{\"command\":\"result\",\"resultof\":\"eventlist\",\"result\": true}");
@@ -264,7 +264,7 @@ void sendFileList(int page, AsyncWebSocketClient *client)
 	AsyncWebSocketMessageBuffer *buffer = ws.makeBuffer(len);
 	if (buffer)
 	{
-		serializeJson(root, (char *)buffer->get(), len + 1);
+		serializeJson(root, (char *)buffer->get(), len);
 		client->text(buffer);
 		client->text("{\"command\":\"result\",\"resultof\":\"listfiles\",\"result\": true}");
 	}

src/rfid.esp

@@ -459,7 +459,7 @@ void rfidOutsideMessaging()
 		AsyncWebSocketMessageBuffer *buffer = ws.makeBuffer(len);
 		if (buffer)
 		{
-			serializeJson(root, (char *)buffer->get(), len + 1);
+			serializeJson(root, (char *)buffer->get(), len);
 			ws.textAll(buffer);
 		}
 		mqttPublishAccess(epoch, "false", "Denied", "Unknown", uid, " ");
@@ -480,7 +480,7 @@ void rfidOutsideMessaging()
 		AsyncWebSocketMessageBuffer *buffer = ws.makeBuffer(len);
 		if (buffer)
 		{
-			serializeJson(root, (char *)buffer->get(), len + 1);
+			serializeJson(root, (char *)buffer->get(), len);
 			ws.textAll(buffer);
 		}
 	}

src/wsResponses.esp

@@ -85,7 +85,7 @@ void sendUserList(int page, AsyncWebSocketClient *client)
 	AsyncWebSocketMessageBuffer *buffer = ws.makeBuffer(len);
 	if (buffer)
 	{
-		serializeJson(root, (char *)buffer->get(), len + 1);
+		serializeJson(root, (char *)buffer->get(), len);
 		if (client)
 		{
 			client->text(buffer);
@@ -196,7 +196,7 @@ void sendStatus(AsyncWebSocketClient *client)
 
 	if (buffer)
 	{
-		serializeJson(root, (char *)buffer->get(), len + 1);
+		serializeJson(root, (char *)buffer->get(), len);
 		if (client)
 		{
 			client->text(buffer);
@@ -245,10 +245,10 @@ void printScanResult(int networksFound)
 		item["hidden"] = false; // WiFi.isHidden(indices[i]) ? true : false;
 	}
 	size_t len = measureJson(root);
-	AsyncWebSocketMessageBuffer *buffer = ws.makeBuffer(len); //  creates a buffer (len + 1) for you.
+	AsyncWebSocketMessageBuffer *buffer = ws.makeBuffer(len); //  creates a buffer (len) for you.
 	if (buffer)
 	{
-		serializeJson(root, (char *)buffer->get(), len + 1);
+		serializeJson(root, (char *)buffer->get(), len);
 		ws.textAll(buffer);
 	}
 	WiFi.scanDelete();
@@ -263,7 +263,7 @@ void sendTime(AsyncWebSocketClient *client)
 	AsyncWebSocketMessageBuffer *buffer = ws.makeBuffer(len);
 	if (buffer)
 	{
-		serializeJson(root, (char *)buffer->get(), len + 1);
+		serializeJson(root, (char *)buffer->get(), len);
 		if (client)
 		{
 			client->text(buffer);