PVS-Studio static analysis corrections (1) issue #137

devices/plutosdr/deviceplutosdrbox.cpp

@@ -621,7 +621,7 @@ void DevicePlutoSDRBox::setLOPPMTenths(int ppmTenths)
     char buff[100];
     std::vector<std::string> params;
     int64_t newXO = m_xoInitial + ((m_xoInitial*ppmTenths) / 10000000L);
-    snprintf(buff, sizeof(buff), "xo_correction=%ld", newXO);
+    snprintf(buff, sizeof(buff), "xo_correction=%ld", (long int) newXO);
     params.push_back(std::string(buff));
     set_params(DEVICE_PHY, params);
     m_LOppmTenths = ppmTenths;

httpserver/httpconnectionhandlerpool.cpp

@@ -93,9 +93,9 @@ void HttpConnectionHandlerPool::cleanup()
         {
             if (++idleCounter > maxIdleHandlers)
             {
-                delete handler;
                 pool.removeOne(handler);
                 qDebug("HttpConnectionHandlerPool: Removed connection handler (%p), pool size is now %i",handler,pool.size());
+                delete handler;
                 break; // remove only one handler in each interval
             }
         }

httpserver/httpcookie.cpp

@@ -12,6 +12,7 @@ HttpCookie::HttpCookie()
     version=1;
     maxAge=0;
     secure=false;
+    httpOnly=false;
 }
 
 HttpCookie::HttpCookie(const QByteArray name, const QByteArray value, const int maxAge, const QByteArray path, const QByteArray comment, const QByteArray domain, const bool secure, const bool httpOnly)

httpserver/httprequest.cpp

@@ -488,13 +488,16 @@ void HttpRequest::parseMultiPartFile()
                     #ifdef SUPERVERBOSE
                         qDebug("HttpRequest::parseMultiPartFile: finishing writing to uploaded file");
                     #endif
-                    uploadedFile->resize(uploadedFile->size()-2);
-                    uploadedFile->flush();
-                    uploadedFile->seek(0);
                     parameters.insert(fieldName,fileName);
-                    qDebug("HttpRequest::parseMultiPartFile: set parameter %s=%s",fieldName.data(),fileName.data());
+                    if (uploadedFile)
-                    uploadedFiles.insert(fieldName,uploadedFile);
+                    {
-                    qDebug("HttpRequest::parseMultiPartFile: uploaded file size is %i",(int) uploadedFile->size());
+                        uploadedFile->resize(uploadedFile->size()-2);
+                        uploadedFile->flush();
+                        uploadedFile->seek(0);
+                        qDebug("HttpRequest::parseMultiPartFile: set parameter %s=%s",fieldName.data(),fileName.data());
+                        uploadedFiles.insert(fieldName,uploadedFile);
+                        qDebug("HttpRequest::parseMultiPartFile: uploaded file size is %i",(int) uploadedFile->size());
+                    }
                 }
                 if (line.contains(boundary+"--"))
                 {

plugins/channeltx/modatv/atvmod.cpp

@@ -451,7 +451,7 @@ void ATVMod::pullVideo(Real& sample)
                 if (camera.m_videoFPSCount < camera.m_videoFPSManualEnable ? camera.m_videoFPSManual : camera.m_videoFPS)
                 {
                     camera.m_videoPrevFPSCount = (int) camera.m_videoFPSCount;
-                    camera.m_videoFPSCount += camera.m_videoFPSManualEnable ? camera.m_videoFPSqManual : camera.m_videoFPSq;
+                    camera.m_videoFPSCount += (camera.m_videoFPSManualEnable ? camera.m_videoFPSqManual : camera.m_videoFPSq);
                 }
                 else
                 {

plugins/channeltx/modatv/atvmodgui.cpp

@@ -129,8 +129,12 @@ bool ATVModGUI::handleMessage(const Message& message)
         }
         else if (status == 2) // camera FPS scan is finished
         {
-            m_camBusyFPSMessageBox->close();
+            if (m_camBusyFPSMessageBox)
-            if (m_camBusyFPSMessageBox) delete m_camBusyFPSMessageBox;
+            {
+                m_camBusyFPSMessageBox->close();
+                delete m_camBusyFPSMessageBox;
+            }
+
             m_camBusyFPSMessageBox = 0;
         }
 

plugins/samplesink/filesink/filesinkthread.h

@@ -55,7 +55,7 @@ public:
 private:
 	QMutex m_startWaitMutex;
 	QWaitCondition m_startWaiter;
-	bool m_running;
+	volatile bool m_running;
 
 	std::ofstream* m_ofstream;
 	std::size_t m_bufsize;

plugins/samplesource/filesource/filesourceinput.cpp

@@ -112,7 +112,7 @@ void FileSourceInput::seekFileStream(int seekPercentage)
 {
 	QMutexLocker mutexLocker(&m_mutex);
 
-	if ((m_ifstream.is_open()) && !m_fileSourceThread->isRunning())
+	if ((m_ifstream.is_open()) && m_fileSourceThread && !m_fileSourceThread->isRunning())
 	{
 		int seekPoint = ((m_recordLength * seekPercentage) / 100) * m_sampleRate;
 		m_fileSourceThread->setSamplesCount(seekPoint);

plugins/samplesource/filesource/filesourcethread.h

@@ -52,7 +52,7 @@ public:
 private:
 	QMutex m_startWaitMutex;
 	QWaitCondition m_startWaiter;
-	bool m_running;
+	volatile bool m_running;
 
 	std::ifstream* m_ifstream;
 	quint8  *m_fileBuf;

plugins/samplesource/testsource/testsourcethread.h

@@ -61,7 +61,7 @@ public:
 private:
 	QMutex m_startWaitMutex;
 	QWaitCondition m_startWaiter;
-	bool m_running;
+	volatile bool m_running;
 
 	qint16  *m_buf;
     quint32 m_bufsize;

sdrbase/dsp/samplesourcefifo.cpp

@@ -14,6 +14,7 @@
 // along with this program. If not, see <http://www.gnu.org/licenses/>.          //
 ///////////////////////////////////////////////////////////////////////////////////
 
+#include <algorithm>
 #include <assert.h>
 #include "samplesourcefifo.h"
 
@@ -40,7 +41,8 @@ void SampleSourceFifo::resize(uint32_t size)
 
 void SampleSourceFifo::init()
 {
-    memset(&m_data[0], 0, sizeof(2*m_size*sizeof(Sample)));
+    static Sample zero = {0,0};
+    std::fill(m_data.begin(), m_data.end(), zero);
     m_ir = 0;
     m_iw = m_size/2;
     m_init = true;

sdrgui/CMakeLists.txt

@@ -36,7 +36,6 @@ set(sdrgui_SOURCES
     gui/rollupwidget.cpp
     gui/samplingdevicecontrol.cpp
     gui/samplingdevicedialog.cpp
-    gui/scale.cpp
     gui/scaleengine.cpp
     gui/tickedslider.cpp
     gui/transverterbutton.cpp
@@ -92,7 +91,6 @@ set(sdrgui_HEADERS
     gui/rollupwidget.h
     gui/samplingdevicecontrol.h
     gui/samplingdevicedialog.h
-    gui/scale.h
     gui/scaleengine.h
     gui/tickedslider.h
     gui/transverterbutton.h

sdrgui/dsp/scopevismulti.cpp

@@ -542,7 +542,10 @@ bool ScopeVisMulti::handleMessage(const Message& message)
         if (m_preTriggerDelay != triggerPre)
         {
             m_preTriggerDelay = triggerPre;
-            m_glScope->setTriggerPre(m_preTriggerDelay);
+
+            if (m_glScope) {
+                m_glScope->setTriggerPre(m_preTriggerDelay);
+            }
         }
 
         if (freeRun != m_freeRun)

sdrgui/dsp/scopevisng.cpp

@@ -595,7 +595,10 @@ bool ScopeVisNG::handleMessage(const Message& message)
         if (m_preTriggerDelay != triggerPre)
         {
             m_preTriggerDelay = triggerPre;
-            m_glScope->setTriggerPre(m_preTriggerDelay);
+
+            if (m_glScope) {
+                m_glScope->setTriggerPre(m_preTriggerDelay);
+            }
         }
 
         if (freeRun != m_freeRun)

sdrgui/gui/glscopemultigui.cpp

@@ -224,7 +224,7 @@ bool GLScopeMultiGUI::deserialize(const QByteArray& data)
         ui->verticalXY->setEnabled(false);
         ui->polar->setEnabled(false);
 
-        ui->traceMode->setCurrentIndex(intValue);
+        ui->traceMode->setCurrentIndex(0);
         d.readS32(1, &intValue, (int) GLScopeMulti::DisplayX);
         m_glScope->setDisplayMode((GLScopeMulti::DisplayMode) intValue);
 

sdrgui/gui/glscopenggui.cpp

@@ -220,7 +220,7 @@ bool GLScopeNGGUI::deserialize(const QByteArray& data)
         ui->verticalXY->setEnabled(false);
         ui->polar->setEnabled(false);
 
-        ui->traceMode->setCurrentIndex(intValue);
+        ui->traceMode->setCurrentIndex(0);
         d.readS32(1, &intValue, (int) GLScopeNG::DisplayX);
         m_glScope->setDisplayMode((GLScopeNG::DisplayMode) intValue);
 

sdrgui/gui/scale.cpp

@@ -1,129 +0,0 @@
-///////////////////////////////////////////////////////////////////////////////////
-// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
-// written by Christian Daniel                                                   //
-//                                                                               //
-// This program is free software; you can redistribute it and/or modify          //
-// it under the terms of the GNU General Public License as published by          //
-// the Free Software Foundation as version 3 of the License, or                  //
-//                                                                               //
-// This program is distributed in the hope that it will be useful,               //
-// but WITHOUT ANY WARRANTY; without even the implied warranty of                //
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
-// GNU General Public License V3 for more details.                               //
-//                                                                               //
-// You should have received a copy of the GNU General Public License             //
-// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
-///////////////////////////////////////////////////////////////////////////////////
-
-#include <QPainter>
-#include "gui/scale.h"
-
-Scale::Scale(QWidget* parent) :
-	QWidget(parent)
-{
-}
-
-void Scale::setOrientation(Qt::Orientation orientation)
-{
-	m_orientation = orientation;
-	m_scaleEngine.setOrientation(orientation);
-	m_scaleEngine.setFont(font());
-	QFontMetrics fm(font());
-	switch(m_orientation) {
-		case Qt::Horizontal:
-			m_scaleEngine.setSize(width());
-			setMinimumWidth(0);
-			setMaximumWidth(QWIDGETSIZE_MAX);
-			setMinimumHeight(3 + fontMetrics().ascent());
-			setMaximumHeight(3 + fontMetrics().ascent());
-			break;
-		case Qt::Vertical:
-			m_scaleEngine.setSize(height());
-			setMinimumWidth(30);
-			setMaximumWidth(30);
-			setMinimumHeight(0);
-			setMaximumHeight(QWIDGETSIZE_MAX);
-			break;
-	}
-}
-
-void Scale::setRange(Unit::Physical physicalUnit, float rangeMin, float rangeMax)
-{
-	m_scaleEngine.setRange(physicalUnit, rangeMin, rangeMax);
-	update();
-}
-
-void Scale::paintEvent(QPaintEvent*)
-{
-	QPainter painter(this);
-	const ScaleEngine::TickList& tickList = m_scaleEngine.getTickList();
-	QFontMetricsF fontMetrics(font());
-	const ScaleEngine::Tick* tick;
-	int i;
-	float bottomLine;
-
-	switch(m_orientation) {
-		case Qt::Horizontal: {
-			painter.setPen(Qt::black);
-
-			// Zwischenlinien für x-Achse zeichnen
-			for(i = 0; i < tickList.count(); i++) {
-				tick = &tickList[i];
-				if(!tick->major)
-					painter.drawLine(QLineF(tick->pos, 0, tick->pos, 1));
-			}
-
-			// Skala am Rand zeichnen
-			painter.drawLine(QLineF(0, 0, width() - 1, 0));
-
-			// Hauptlinien und Beschriftung für x-Achse zeichnen
-			for(i = 0; i < tickList.count(); i++) {
-				tick = &tickList[i];
-				if(tick->major) {
-					painter.drawLine(QLineF(tick->pos - 1, 0, tick->pos - 1, 3));
-					if(tick->textSize > 0) {
-						painter.drawText(QPointF(tick->textPos, 3 + fontMetrics.ascent()), tick->text);
-					}
-				}
-			}
-			break;
-		}
-		case Qt::Vertical: {
-			bottomLine = height() - 1;
-			painter.setPen(Qt::black);
-
-			// Zwischenlinien für y-Achse zeichnen
-			for(i = 0; i < tickList.count(); i++) {
-				tick = &tickList[i];
-				if(!tick->major)
-					painter.drawLine(QLineF(width() - 2, bottomLine - tick->pos, width() - 1, bottomLine - tick->pos));
-			}
-
-			// Skala am Rand zeichnen
-			painter.drawLine(QLineF(width() - 1, 0, width() - 1, height() - 1));
-
-			// Hauptlinien und Beschriftung für y-Achse zeichnen
-			for(i = 0; i < tickList.count(); i++) {
-				tick = &tickList[i];
-				if(tick->major) {
-					painter.drawLine(QLineF(width() - 4, bottomLine - tick->pos, width() - 1, bottomLine - tick->pos));
-					if(tick->textSize > 0)
-						painter.drawText(QPointF(width() - 4 - tick->textSize, bottomLine - tick->textPos), tick->text);
-				}
-			}
-
-		}
-	}
-}
-
-void Scale::resizeEvent(QResizeEvent*)
-{
-	switch(m_orientation) {
-		case Qt::Horizontal:
-			m_scaleEngine.setSize(width());
-			break;
-		case Qt::Vertical:
-			m_scaleEngine.setSize(height());
-			break;
-	}
-}

sdrgui/gui/scale.h

@@ -1,37 +0,0 @@
-///////////////////////////////////////////////////////////////////////////////////
-// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
-// written by Christian Daniel                                                   //
-//                                                                               //
-// This program is free software; you can redistribute it and/or modify          //
-// it under the terms of the GNU General Public License as published by          //
-// the Free Software Foundation as version 3 of the License, or                  //
-//                                                                               //
-// This program is distributed in the hope that it will be useful,               //
-// but WITHOUT ANY WARRANTY; without even the implied warranty of                //
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
-// GNU General Public License V3 for more details.                               //
-//                                                                               //
-// You should have received a copy of the GNU General Public License             //
-// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
-///////////////////////////////////////////////////////////////////////////////////
-
-#include <QWidget>
-#include "gui/scaleengine.h"
-#include "util/export.h"
-
-class SDRANGEL_API Scale : public QWidget {
-	Q_OBJECT
-
-public:
-	Scale(QWidget* parent = NULL);
-
-	void setOrientation(Qt::Orientation orientation);
-	void setRange(Unit::Physical physicalUnit, float rangeMin, float rangeMax);
-
-private:
-	Qt::Orientation m_orientation;
-	ScaleEngine m_scaleEngine;
-
-	void paintEvent(QPaintEvent*);
-	void resizeEvent(QResizeEvent*);
-};

sdrgui/sdrgui.pro

@@ -75,7 +75,6 @@ SOURCES += mainwindow.cpp\
         gui/samplingdevicecontrol.cpp\
         gui/samplingdevicedialog.cpp\
         gui/mypositiondialog.cpp\
-        gui/scale.cpp\
         gui/scaleengine.cpp\
         gui/transverterbutton.cpp\
         gui/transverterdialog.cpp\
@@ -126,7 +125,6 @@ HEADERS  += mainwindow.h\
         gui/samplingdevicecontrol.h\
         gui/samplingdevicedialog.h\
         gui/mypositiondialog.h\
-        gui/scale.h\
         gui/scaleengine.h\
         gui/tickedslider.h\
         gui/transverterbutton.h\