Every file in this commit makes a call to a function which returns a value.

Each file also didn't check the return value.

This commit changes it so that every single non-checked call in these files
is checked.

14 files changed, 109 insertions, 92 deletions

diff --git a/core/multimedia/opieplayer/om3u.cpp b/core/multimedia/opieplayer/om3u.cpp
index 48aa47e..68ea015 100644
--- a/core/multimedia/opieplayer/om3u.cpp
+++ b/core/multimedia/opieplayer/om3u.cpp
@@ -49,3 +49,4 @@ Om3u::Om3u( const QString &filePath, int mode)
   f.setName(filePath);
-  f.open(mode);
+  if ( !f.open(mode) )
+      owarn << "Failed to open file " << f.name() << oendl;
 }
diff --git a/libopie2/opiemm/opieexif.cpp b/libopie2/opiemm/opieexif.cpp
index de49937..653216c 100644
--- a/libopie2/opiemm/opieexif.cpp
+++ b/libopie2/opiemm/opieexif.cpp
@@ -207,3 +207,3 @@ int ExifData::ReadJpegSections (QFile & infile, ReadMode_t ReadMode)
 
-                    size = QMAX( 0ul, infile.size()-infile.at() );
+                    size = infile.size()-infile.at();
                     Data = (uchar *)malloc(size);
@@ -811,3 +811,7 @@ bool ExifData::scan(const QString & path)
     QFile f(path);
-    f.open(IO_ReadOnly);
+    if ( !f.open(IO_ReadOnly) ) {
+	owarn << "Unable to open file " << f.name() << " readonly" << oendl;
+	DiscardData();
+	return false;
+    }
 
diff --git a/noncore/apps/opie-console/filereceive.cpp b/noncore/apps/opie-console/filereceive.cpp
index 452be60..41e6888 100644
--- a/noncore/apps/opie-console/filereceive.cpp
+++ b/noncore/apps/opie-console/filereceive.cpp
@@ -5,2 +5,3 @@
 
+#include <opie2/odebug.h>
 #include <qsocketnotifier.h>
@@ -150,3 +151,4 @@ void FileReceive::slotExec() {
     char buf[2];
-    ::read(m_term[0], buf, 1 );
+    if (::read(m_term[0], buf, 1 ) == -1)
+	owarn << "read of m_term[0] failed" << oendl;
     delete m_proc;
diff --git a/noncore/apps/opie-console/filetransfer.cpp b/noncore/apps/opie-console/filetransfer.cpp
index 7eebc65..6e2d2d5 100644
--- a/noncore/apps/opie-console/filetransfer.cpp
+++ b/noncore/apps/opie-console/filetransfer.cpp
@@ -6,2 +6,3 @@
 
+#include <opie2/odebug.h>
 #include <qsocketnotifier.h>
@@ -236,3 +237,4 @@ void FileTransfer::slotExec() {
     char buf[2];
-    ::read(m_term[0], buf, 1 );
+    if (::read(m_term[0], buf, 1 ) == -1)
+	owarn << "read of m_term[0] failed" << oendl;
     delete m_proc;
diff --git a/noncore/apps/opie-console/logger.cpp b/noncore/apps/opie-console/logger.cpp
index 6620faf..0fdeca0 100644
--- a/noncore/apps/opie-console/logger.cpp
+++ b/noncore/apps/opie-console/logger.cpp
@@ -2,2 +2,3 @@
 #include <qtextstream.h>
+#include <opie2/odebug.h>
 
@@ -10,3 +11,4 @@ Logger::Logger(const QString fileName) {
 	m_file.setName(fileName);
-	m_file.open(IO_ReadWrite);
+	if ( !m_file.open(IO_ReadWrite) )
+	    owarn << "failed to open " << m_file.name() << oendl;
 }
diff --git a/noncore/apps/opie-console/mainwindow.cpp b/noncore/apps/opie-console/mainwindow.cpp
index 18c0434..aba7244 100644
--- a/noncore/apps/opie-console/mainwindow.cpp
+++ b/noncore/apps/opie-console/mainwindow.cpp
@@ -826,3 +826,4 @@ void MainWindow::slotSaveHistory() {
     QFile file(filename);
-    file.open(IO_WriteOnly );
+    if ( !file.open(IO_WriteOnly ) ) return;
+
     QTextStream str(&file );
diff --git a/noncore/apps/opie-console/script.cpp b/noncore/apps/opie-console/script.cpp
index faea412..8d35776 100644
--- a/noncore/apps/opie-console/script.cpp
+++ b/noncore/apps/opie-console/script.cpp
@@ -8,3 +8,4 @@ Script::Script(const QString fileName) {
     QFile file(fileName);
-    file.open(IO_ReadOnly );
+    if ( !file.open(IO_ReadOnly ) )
+	return;
     m_script = file.readAll();
@@ -14,3 +15,4 @@ void Script::saveTo(const QString fileName) const {
     QFile file(fileName);
-    file.open(IO_WriteOnly);
+    if ( !file.open(IO_WriteOnly) )
+	return;
     file.writeBlock(m_script);
diff --git a/noncore/apps/opie-gutenbrowser/gutenbrowser.cpp b/noncore/apps/opie-gutenbrowser/gutenbrowser.cpp
index 733db17..8b02f9f 100644
--- a/noncore/apps/opie-gutenbrowser/gutenbrowser.cpp
+++ b/noncore/apps/opie-gutenbrowser/gutenbrowser.cpp
@@ -847,18 +847,12 @@ bool Gutenbrowser::load( const char *fileName) {
 void Gutenbrowser::Search() {
-
-			//    if( searchDlg->isHidden())
-		{
-				odebug << "Starting search dialog" << oendl;
-				searchDlg = new SearchDialog( this, "Etext Search", true);
-				searchDlg->setCaption( tr( "Etext Search" ));
-					//        searchDlg->setLabel( "- searches etext");
-				connect( searchDlg,SIGNAL( search_signal()),this,SLOT( search_slot()));
-				connect( searchDlg,SIGNAL( search_done_signal()),this,SLOT( searchdone_slot()));
-
-				QString resultString;
-				QString string = searchDlg->searchString;
-				Lview->deselect();
-				searchDlg->show();
-				searchDlg->result();
-		}
+	odebug << "Starting search dialog" << oendl;
+	searchDlg = new SearchDialog( this, "Etext Search", true);
+	searchDlg->setCaption( tr( "Etext Search" ));
+	connect( searchDlg,SIGNAL( search_signal()),this,SLOT( search_slot()));
+	connect( searchDlg,SIGNAL( search_done_signal()),this,SLOT( searchdone_slot()));
+
+	QString resultString;
+	QString string = searchDlg->searchString;
+	Lview->deselect();
+	searchDlg->show();
 }
diff --git a/noncore/apps/opie-gutenbrowser/helpwindow.cpp b/noncore/apps/opie-gutenbrowser/helpwindow.cpp
index 4bdac02..f444a2e 100644
--- a/noncore/apps/opie-gutenbrowser/helpwindow.cpp
+++ b/noncore/apps/opie-gutenbrowser/helpwindow.cpp
@@ -195,9 +195,10 @@ HelpWindow::~HelpWindow()
     for ( ; it != mHistory.end(); ++it )
-  history.append( *it );
+        history.append( *it );
 
     QFile f( QDir::currentDirPath() + "/.history" );
-    f.open( IO_WriteOnly );
-    QDataStream s( &f );
-    s << history;
-    f.close();
+    if ( f.open( IO_WriteOnly ) ) {
+        QDataStream s( &f );
+        s << history;
+        f.close();
+    }
 
@@ -206,6 +207,8 @@ HelpWindow::~HelpWindow()
     for ( ; it2 != mBookmarks.end(); ++it2 )
-  bookmarks.append( *it2 );
+        bookmarks.append( *it2 );
 
     QFile f2( QDir::currentDirPath() + "/.bookmarks" );
-    f2.open( IO_WriteOnly );
+    if ( !f2.open( IO_WriteOnly ) )
+	return;
+
     QDataStream s2( &f2 );
@@ -215,12 +218,2 @@ HelpWindow::~HelpWindow()
 
-//  void HelpWindow::about()
-//  {
-//      QMessageBox::about( this, "Gutenbrowser", "<p>Thanks to Trolltech for this</p>" );
-//  }
-
-//  void HelpWindow::aboutQt()
-//  {
-//      QMessageBox::aboutQt( this, "QBrowser" );
-//  }
-
 void HelpWindow::openFile()
@@ -294,11 +287,14 @@ void HelpWindow::readHistory()
 {
-    if ( QFile::exists( QDir::currentDirPath() + "/.history" ) ) {
-  QFile f( QDir::currentDirPath() + "/.history" );
-  f.open( IO_ReadOnly );
-  QDataStream s( &f );
-  s >> history;
-  f.close();
-  while ( history.count() > 20 )
-      history.remove( history.begin() );
-    }
+    if ( !QFile::exists( QDir::currentDirPath() + "/.history" ) )
+	return;
+
+    QFile f( QDir::currentDirPath() + "/.history" );
+    if ( !f.open( IO_ReadOnly ) )
+	return;
+
+    QDataStream s( &f );
+    s >> history;
+    f.close();
+    while ( history.count() > 20 )
+        history.remove( history.begin() );
 }
@@ -307,9 +303,11 @@ void HelpWindow::readBookmarks()
 {
-    if ( QFile::exists( QDir::currentDirPath() + "/.bookmarks" ) ) {
-  QFile f( QDir::currentDirPath() + "/.bookmarks" );
-  f.open( IO_ReadOnly );
-  QDataStream s( &f );
-  s >> bookmarks;
-  f.close();
-    }
+    if ( !QFile::exists( QDir::currentDirPath() + "/.bookmarks" ) )
+	return;
+
+    QFile f( QDir::currentDirPath() + "/.bookmarks" );
+    if ( !f.open( IO_ReadOnly ) )
+        return;
+    QDataStream s( &f );
+    s >> bookmarks;
+    f.close();
 }
diff --git a/noncore/graphics/opie-eye/slave/bmp_slave.cpp b/noncore/graphics/opie-eye/slave/bmp_slave.cpp
index 2fa825f..0efadac 100644
--- a/noncore/graphics/opie-eye/slave/bmp_slave.cpp
+++ b/noncore/graphics/opie-eye/slave/bmp_slave.cpp
@@ -84,6 +84,4 @@ namespace {
         memset(&m_Header,0,sizeof(pBmpHeader));
-        _inputfile.open(IO_Raw|IO_ReadOnly);
-        if (!_inputfile.isOpen()) {
+        if (!_inputfile.open(IO_Raw|IO_ReadOnly))
             return;
-        }
         QDataStream s(&_inputfile);
diff --git a/noncore/net/ftplib/ftplib.c b/noncore/net/ftplib/ftplib.c
index 421f855..efcd6f0 100644
--- a/noncore/net/ftplib/ftplib.c
+++ b/noncore/net/ftplib/ftplib.c
@@ -960,3 +960,4 @@ GLOBALDEF int FtpWrite(void *buf, int len, netbuf *nData)
       {
-          socket_wait(nData);
+          if (socket_wait(nData) < 0)
+	      fprintf(stderr, "FtpWrite: socket_wait failed with %s\n", nData->ctrl->response);
           i = net_write(nData->handle, buf, len);
@@ -1341,3 +1342,6 @@ GLOBALDEF void FtpQuit(netbuf *nControl)
         return;
-    FtpSendCmd("QUIT",'2',nControl);
+    if (FtpSendCmd("QUIT",'2',nControl) == 1) {
+        if (ftplib_debug > 2)
+	    fprintf(stderr, "FtpQuit: FtpSendCmd(QUIT) failed\n");
+    }
     net_close(nControl->handle);
diff --git a/noncore/todayplugins/stockticker/stockticker/helpwindow.cpp b/noncore/todayplugins/stockticker/stockticker/helpwindow.cpp
index 410d642..2498bf9 100644
--- a/noncore/todayplugins/stockticker/stockticker/helpwindow.cpp
+++ b/noncore/todayplugins/stockticker/stockticker/helpwindow.cpp
@@ -181,9 +181,10 @@ HelpWindow::~HelpWindow()
     for ( ; it != mHistory.end(); ++it )
-  history.append( *it );
+        history.append( *it );
 
     QFile f( QDir::currentDirPath() + "/.history" );
-    f.open( IO_WriteOnly );
-    QDataStream s( &f );
-    s << history;
-    f.close();
+    if ( f.open( IO_WriteOnly ) ) {
+        QDataStream s( &f );
+        s << history;
+        f.close();
+    }
 
@@ -192,6 +193,7 @@ HelpWindow::~HelpWindow()
     for ( ; it2 != mBookmarks.end(); ++it2 )
-  bookmarks.append( *it2 );
+        bookmarks.append( *it2 );
 
     QFile f2( QDir::currentDirPath() + "/.bookmarks" );
-    f2.open( IO_WriteOnly );
+    if ( !f2.open( IO_WriteOnly ) )
+	return;
     QDataStream s2( &f2 );
@@ -233,9 +235,10 @@ void HelpWindow::readHistory()
     if ( QFile::exists( QDir::currentDirPath() + "/.history" ) ) {
-  QFile f( QDir::currentDirPath() + "/.history" );
-  f.open( IO_ReadOnly );
-  QDataStream s( &f );
-  s >> history;
-  f.close();
-  while ( history.count() > 20 )
-      history.remove( history.begin() );
+        QFile f( QDir::currentDirPath() + "/.history" );
+        if ( !f.open( IO_ReadOnly ) )
+	    return;
+        QDataStream s( &f );
+        s >> history;
+        f.close();
+        while ( history.count() > 20 )
+            history.remove( history.begin() );
     }
@@ -246,7 +249,8 @@ void HelpWindow::readBookmarks()
     if ( QFile::exists( QDir::currentDirPath() + "/.bookmarks" ) ) {
-  QFile f( QDir::currentDirPath() + "/.bookmarks" );
-  f.open( IO_ReadOnly );
-  QDataStream s( &f );
-  s >> bookmarks;
-  f.close();
+        QFile f( QDir::currentDirPath() + "/.bookmarks" );
+            if ( !f.open( IO_ReadOnly ) )
+                return;
+        QDataStream s( &f );
+        s >> bookmarks;
+        f.close();
     }
diff --git a/noncore/todayplugins/weather/weatherpluginwidget.cpp b/noncore/todayplugins/weather/weatherpluginwidget.cpp
index fe54051..27624c5 100644
--- a/noncore/todayplugins/weather/weatherpluginwidget.cpp
+++ b/noncore/todayplugins/weather/weatherpluginwidget.cpp
@@ -106,3 +106,4 @@ void WeatherPluginWidget::retreiveData()
 	connect( proc, SIGNAL( processExited(Opie::Core::OProcess*) ), this, SLOT( dataRetrieved(Opie::Core::OProcess*) ) );
-	proc->start();
+	if ( !proc->start() )
+	    weatherLabel->setText( tr( "Could not start wget process." ) );
 }
@@ -144,3 +145,3 @@ void WeatherPluginWidget::displayWeather()
 		tmpstr.append( dataStr );
-        weatherIcon->setPixmap( Opie::Core::OResource::loadPixmap( tmpstr, Opie::Core::OResource::SmallIcon ) );
+        	weatherIcon->setPixmap( Opie::Core::OResource::loadPixmap( tmpstr, Opie::Core::OResource::SmallIcon ) );
 	}
diff --git a/noncore/tools/opie-sh/inputdialog.cpp b/noncore/tools/opie-sh/inputdialog.cpp
index 8046795..1dd8bf7 100644
--- a/noncore/tools/opie-sh/inputdialog.cpp
+++ b/noncore/tools/opie-sh/inputdialog.cpp
@@ -42,7 +42,9 @@ InputDialog::InputDialog(int w, int h, int newtype, QString labelString, QString
 			QFile file(filename);
-			file.open(IO_ReadOnly);
-			QTextStream stream(&file);
-			QString string = stream.read();
+			if (file.open(IO_ReadOnly))
+			{
+				QTextStream stream(&file);
+				QString string = stream.read();
 
-			comboBox->insertStringList(QStringList::split('\n', string));
+				comboBox->insertStringList(QStringList::split('\n', string));
+			}
 		}
@@ -65,7 +67,9 @@ InputDialog::InputDialog(int w, int h, int newtype, QString labelString, QString
 			QFile file(filename);
-			file.open(IO_ReadOnly);
-			QTextStream stream(&file);
-			QString string = stream.read();
+			if (file.open(IO_ReadOnly))
+			{
+				QTextStream stream(&file);
+				QString string = stream.read();
 
-			listBox->insertStringList(QStringList::split('\n', string));
+				listBox->insertStringList(QStringList::split('\n', string));
+			}
 		}