Removed the unused variable warning in the new WEB API endpoint, changed the way sent files are handled regarding the sent bytes count both for the FTPServer and WEBServer

src/app/FTPServer.h

@@ -19,9 +19,6 @@ class FTPServer : public TCPServer<T>
     enum FTPMsgCode {_150, _200, _215, _220, _221, _230, _226, _227, _250, _257, _331, _350, _451, _5_502, _504, _530, _550 };
 
     FTPServer(uint16_t port = 21, SDClass *sdClass = NULL, const char *login = NULL, const char *password = NULL, uint8_t maxClient = MAX_CLIENT, uint16_t clientCommandDataBufferSize = 255) : TCPServer<T>(port, maxClient, clientCommandDataBufferSize),
-      _login(NULL),
-      _password(NULL),
-      _dataPort(1024),
       _dataServer(_dataPort),
       _sdClass(sdClass)
     {
@@ -918,7 +915,7 @@ class FTPServer : public TCPServer<T>
         if (fileToSend)
         {
           *fts = OK;
-          size_t readBytes(0);
+          size_t readBytes(0), sentBytes(0);
           fileToSend.seek(client->_fileSentBytes);
           
           if(fileToSend.available())
@@ -934,14 +931,14 @@ class FTPServer : public TCPServer<T>
             }
 
             readBytes = fileToSend.read(sendBuffer, mallocAcceptedSize);
-            client->_dataClient.write(sendBuffer, readBytes);
+            sentBytes = client->_dataClient.write(sendBuffer, readBytes);
 
             free(sendBuffer);
 
-            client->_fileSentBytes += readBytes;
+            client->_fileSentBytes += sentBytes;
 
             #ifdef DEBUG_FTPS
-            Serial.printf("File : bytes sent : %u - free stack : %u\n", readBytes, ESP.getFreeContStack());
+            Serial.printf("File : bytes read : %u, bytes sent : %u - free stack : %u\n", readBytes, sentBytes, ESP.getFreeContStack());
             #endif
           }
           else //The whole file has been sent
@@ -1031,10 +1028,10 @@ class FTPServer : public TCPServer<T>
       }
     }
     
-    char *_login;
+    char *_login = nullptr;
-    char *_password;
+    char *_password = nullptr;
     char *_FTPDir =  nullptr;
-    uint16_t _dataPort;
+    uint16_t _dataPort = 1024;
     
     WiFiServer _dataServer; //In passive mode, the FTP server opens two different ports (one for the commands and the other for the data stream)
     SDClass *_sdClass;

src/app/WEBServer.h

@@ -575,7 +575,7 @@ class WEBServer : public TCPServer<T>, public HttpConstants
       {
         File pageToSend;
         char *filePath(NULL), *header(NULL);
-        size_t readBytes(0);
+        size_t readBytesFromFS(0), sentBytesFromSocket(0);
         //We check what kind of http verb it is
         switch(client->_httpRequestData.HRM)
         {
@@ -715,16 +715,16 @@ class WEBServer : public TCPServer<T>, public HttpConstants
                 return false; //Not clean but what else can I do. Should never happen anyway.
               }
               
-              readBytes = pageToSend.read(sendBuffer,mallocAcceptedSize);
+              readBytesFromFS = pageToSend.read(sendBuffer,mallocAcceptedSize);
-              client->_client.write(sendBuffer, readBytes);
+              sentBytesFromSocket = client->_client.write(sendBuffer, readBytesFromFS);
 
               free(sendBuffer);
 
               #ifdef DEBUG_WEBS
-              Serial.printf("Bytes sent : %u, got allocated buffer size : %u - free stack : %u\n", readBytes, mallocAcceptedSize, ESP.getFreeContStack());
+              Serial.printf("Bytes read from FS : %u, Bytes sent : %u, got allocated buffer size : %u - free stack : %u\n", readBytesFromFS, sentBytesFromSocket, mallocAcceptedSize, ESP.getFreeContStack());
               #endif
 
-              client->_fileSentBytes += readBytes; //We save the number of bytes sent so that we can reopen the file to this position later on.
+              client->_fileSentBytes += sentBytesFromSocket; //We save the number of bytes sent so that we can reopen the file to this position later on.
             }
             else 
             {

src/app/webApi.cpp

@@ -560,6 +560,8 @@ boolean ioSetModeApi(WEBServer<WEBClient>::HttpRequestData &HRD, WiFiClient *wc,
 
 boolean otaUpdateApi(WEBServer<WEBClient>::HttpRequestData &HRD, WiFiClient *wc, void *pData)
 {
+  (void)HRD;
+  (void)pData;
   Serial.printf("OTA Update resquest\n");
 
   char buffer[500];