Fix Windows 64 bit warnings

src/comm/MAVLinkSimulationWaypointPlanner.cc

@@ -890,7 +890,7 @@ void MAVLinkSimulationWaypointPlanner::mavlink_handler (const mavlink_message_t*
                 } else {
                     if (verbose) qDebug("Got MAVLINK_MSG_ID_MISSION_ITEM_REQUEST_LIST from %u but have no waypoints, staying in \n", msg->sysid);
                 }
-                protocol_current_count = waypoints->size();
+                protocol_current_count = static_cast<uint16_t>(waypoints->size());
                 send_waypoint_count(msg->sysid,msg->compid, protocol_current_count);
             } else {
                 if (verbose) qDebug("Ignored MAVLINK_MSG_ID_MISSION_ITEM_REQUEST_LIST because i'm doing something else already (state=%i).\n", current_state);
@@ -999,7 +999,7 @@ void MAVLinkSimulationWaypointPlanner::mavlink_handler (const mavlink_message_t*
                     send_waypoint_ack(protocol_current_partner_systemid, protocol_current_partner_compid, 0);
 
                     if (current_active_wp_id > waypoints_receive_buffer->size()-1) {
-                        current_active_wp_id = waypoints_receive_buffer->size() - 1;
+                        current_active_wp_id = static_cast<uint16_t>(waypoints_receive_buffer->size()) - 1;
                     }
 
                     // switch the waypoints list

src/qgcunittest/MockMavlinkFileServer.cc

@@ -86,7 +86,7 @@ void MockMavlinkFileServer::_listCommand(QGCUASFileManager::Request* request, ui
         char *bufPtr = (char *)&ackResponse.data[0];
         for (int i=0; i<_fileList.size(); i++) {
             strcpy(bufPtr, _fileList[i].toStdString().c_str());
-            size_t cchFilename = strlen(bufPtr);
+            uint8_t cchFilename = static_cast<uint8_t>(strlen(bufPtr));
             Q_ASSERT(cchFilename);
             ackResponse.hdr.size += cchFilename + 1;
             bufPtr += cchFilename + 1;

src/uas/QGCUASFileManager.cc

@@ -159,8 +159,9 @@ void QGCUASFileManager::_listAckResponse(Request* listAck)
 
         // get the length of the name
         uint8_t cBytesLeft = cBytes - offset;
-        size_t nlen = strnlen(ptr, cBytesLeft);
+        uint8_t nlen = static_cast<uint8_t>(strnlen(ptr, cBytesLeft));
         if ((*ptr == 'S' && nlen > 1) || (*ptr != 'S' && nlen < 2)) {
+        if (nlen < 2) {
             _currentOperation = kCOIdle;
             _emitErrorMessage(tr("Incorrectly formed list entry: '%1'").arg(ptr));
             return;
@@ -315,7 +316,7 @@ void QGCUASFileManager::listDirectory(const QString& dirPath)
 void QGCUASFileManager::_fillRequestWithString(Request* request, const QString& str)
 {
     strncpy((char *)&request->data[0], str.toStdString().c_str(), sizeof(request->data));
-    request->hdr.size = strnlen((const char *)&request->data[0], sizeof(request->data));
+    request->hdr.size = static_cast<uint8_t>(strnlen((const char *)&request->data[0], sizeof(request->data)));
 }
 
 void QGCUASFileManager::_sendListCommand(void)

src/uas/UAS.cc

@@ -1953,7 +1953,7 @@ QImage UAS::getImage()
         QString header("P5\n%1 %2\n%3\n");
         header = header.arg(imageWidth).arg(imageHeight).arg(imgColors);
 
-        QByteArray tmpImage(header.toStdString().c_str(), header.toStdString().size());
+        QByteArray tmpImage(header.toStdString().c_str(), header.length());
         tmpImage.append(imageRecBuffer);
 
         //qDebug() << "IMAGE SIZE:" << tmpImage.size() << "HEADER SIZE: (15):" << header.size() << "HEADER: " << header;

src/ui/QGCMAVLinkInspector.cc

@@ -293,7 +293,7 @@ void QGCMAVLinkInspector::refreshView()
     {
         const char* msgname = messageInfo[i].name;
 
-        int namelen = strnlen(msgname, 5);
+        size_t namelen = strnlen(msgname, 5);
 
         if (namelen < 3) {
             continue;

src/ui/configuration/FlightModeConfig.cc

@@ -181,9 +181,9 @@ void FlightModeConfig::activeUASSet(UASInterface *uas)
     }
 
     // Set up the combo boxes
-    for (size_t i=0; i<_cModes; i++) {
+    for (int i=0; i<_cModes; i++) {
         // Fill each combo box with the available flight modes
-        for (size_t j=0; j<_cModeInfo; j++) {
+        for (int j=0; j<_cModeInfo; j++) {
             _rgCombo[i]->addItem(_rgModeInfo[j].label, QVariant(QChar((char)_rgModeInfo[j].value)));
         }
         
@@ -260,13 +260,13 @@ void FlightModeConfig::parameterChanged(int uas, int component, QString paramete
         }
     } else {
         // Loop over the flight mode params looking for a match
-        for (size_t i=0; i<_cModes; i++) {
+        for (int i=0; i<_cModes; i++) {
             if (parameterName == _rgModeParam[i]) {
                 // We found a match, i is now the index of the combo box which displays that mode slot
                 // Loop over the mode info till we find the matching value, this tells us which row in the
                 // combo box to select.
                 QComboBox* combo = _rgCombo[i];
-                for (size_t j=0; j<_cModeInfo; j++) {
+                for (int j=0; j<_cModeInfo; j++) {
                     if (_rgModeInfo[j].value == iValue) {
                         combo->setCurrentIndex(j);
                         return;

src/ui/configuration/FlightModeConfig.h

@@ -58,9 +58,9 @@ private:
     static const FlightModeInfo_t   _rgModeInfoRotor[];
     static const FlightModeInfo_t   _rgModeInfoRover[];
     const FlightModeInfo_t*         _rgModeInfo;
-    size_t                          _cModeInfo;
+    int                             _cModeInfo;
     
-    static const size_t _cModes = 6;
+    static const int _cModes = 6;
 
     static const char*  _rgModeParamFixedWing[_cModes];
     static const char*  _rgModeParamRotor[_cModes];