Every single file in this commit had a memory leak where a resource is

allocated in the constructor but not de-allocated in the destructor.

This commit fixes that.

9 files changed, 57 insertions, 32 deletions

diff --git a/core/apps/embeddedkonsole/TEScreen.cpp b/core/apps/embeddedkonsole/TEScreen.cpp
index 1db34d2..30ff49d 100644
--- a/core/apps/embeddedkonsole/TEScreen.cpp
+++ b/core/apps/embeddedkonsole/TEScreen.cpp
@@ -65,17 +65,17 @@
 /*! creates a `TEScreen' of `lines' lines and `columns' columns.
 */
 
-TEScreen::TEScreen(int lines, int columns)
+TEScreen::TEScreen(int _lines, int _columns) :
+  lines(_lines),
+  columns(_columns),
+  tabstops(0),
+  histCursor(0),
+  horzCursor(0)
 {
-  this->lines   = lines;
-  this->columns = columns;
 //  odebug << "Columns " << columns << "" << oendl; 
   
-  image      = (ca*) malloc(lines*columns*sizeof(ca));
-  tabstops   = NULL; initTabStops();
-
-  histCursor = 0;
-  horzCursor = 0;
+  image = new ca[lines*columns];
+  initTabStops();
 
   clearSelection();
   reset();
@@ -86,8 +86,8 @@ TEScreen::TEScreen(int lines, int columns)
 
 TEScreen::~TEScreen()
 {
-  free(image);
-  if (tabstops) free(tabstops);
+  delete [] image;
+  delete [] tabstops;
 }
 
 /* ------------------------------------------------------------------------- */
@@ -396,7 +396,7 @@ void TEScreen::resizeImage(int new_lines, int new_columns)
     }
 
       // make new image
-    ca* newimg = (ca*)malloc( new_lines * new_columns * sizeof( ca));
+    ca* newimg = new ca[new_lines * new_columns];
 
     clearSelection();
 
@@ -418,7 +418,7 @@ void TEScreen::resizeImage(int new_lines, int new_columns)
             newimg[y*new_columns+x].b = image[loc(x,y)].b;
             newimg[y*new_columns+x].r = image[loc(x,y)].r;
         }
-    free(image);
+    delete [] image;
     image = newimg;
     lines = new_lines;
     columns = new_columns;
@@ -507,7 +507,7 @@ void TEScreen::effectiveRendition()
 ca* TEScreen::getCookedImage()
 {
  int x,y;
-  ca* merged = (ca*)malloc(lines*columns*sizeof(ca));
+  ca* merged = new ca[lines*columns];
   ca dft(' ',DEFAULT_FORE_COLOR,DEFAULT_BACK_COLOR,DEFAULT_RENDITION);
 
   if (histCursor > hist.getLines()) {
@@ -623,8 +623,10 @@ void TEScreen::changeTabStop(bool set)
 
 void TEScreen::initTabStops()
 {
-  if (tabstops) free(tabstops);
-  tabstops = (bool*)malloc(columns*sizeof(bool));
+  if (tabstops)
+    delete [] tabstops;
+
+  tabstops = new bool[columns];
   // Arrg! The 1st tabstop has to be one longer than the other.
   // i.e. the kids start counting from 0 instead of 1.
   // Other programs might behave correctly. Be aware.
diff --git a/inputmethods/dasher/PPMLanguageModel.cpp b/inputmethods/dasher/PPMLanguageModel.cpp
index 137b07f..d767d16 100644
--- a/inputmethods/dasher/PPMLanguageModel.cpp
+++ b/inputmethods/dasher/PPMLanguageModel.cpp
@@ -59,7 +59,7 @@ CPPMLanguageModel::CPPMnode * CPPMLanguageModel::CPPMnode::add_symbol_to_node(in
 /////////////////////////////////////////////////////////////////////
 
 CPPMLanguageModel::CPPMLanguageModel(CAlphabet *_alphabet,int _normalization)
-	: CLanguageModel(_alphabet,_normalization)
+	: CLanguageModel(_alphabet,_normalization), root(0), m_rootcontext(0)
 {
 	root=new CPPMnode(-1);
 	m_rootcontext=new CPPMContext(root,0);
@@ -68,6 +68,7 @@ CPPMLanguageModel::CPPMLanguageModel(CAlphabet *_alphabet,int _normalization)
 
 CPPMLanguageModel::~CPPMLanguageModel()
 {
+	delete m_rootcontext;
 	delete root;
 }
 
diff --git a/noncore/apps/opie-reader/Bkmks.cpp b/noncore/apps/opie-reader/Bkmks.cpp
index 440d8be..28f6318 100644
--- a/noncore/apps/opie-reader/Bkmks.cpp
+++ b/noncore/apps/opie-reader/Bkmks.cpp
@@ -10,7 +10,12 @@
 
 const unsigned long BkmkFile::magic = ((unsigned long)'q' << 24) | ((unsigned long)'t' << 16) | ((unsigned long)'r' << 8) | ((unsigned long)BKMKTYPE);
 
-Bkmk::Bkmk(const unsigned char* _nm, unsigned short _nmlen, const unsigned char* _anno, unsigned short _annolen, unsigned int _p)
+Bkmk::Bkmk(const unsigned char* _nm, unsigned short _nmlen, const unsigned char* _anno, unsigned short _annolen, unsigned int _p) :
+  m_name(0),
+  m_namelen(0),
+  m_anno(0),
+  m_annolen(0),
+  m_position(0)
 {
     init(_nm, _nmlen, _anno, _annolen, _p);
 }
@@ -20,6 +25,17 @@ Bkmk::Bkmk(const tchar* _nm, const unsigned char* _anno, unsigned short annolen,
     init(_nm, sizeof(tchar)*(ustrlen(_nm)+1), _anno, annolen, _p);
 }
 
+Bkmk::Bkmk(const Bkmk& rhs) :
+  m_name(0),
+  m_namelen(0),
+  m_anno(0),
+  m_annolen(0),
+  m_position(0)
+{
+    init(rhs.name(), sizeof(tchar)*(ustrlen(rhs.name())+1), rhs.anno(),
+         sizeof(tchar)*(ustrlen(rhs.anno())+1), rhs.value());
+}
+
 Bkmk::Bkmk(const tchar* _nm, const tchar* _anno, unsigned int _p) : m_position(_p)
 {
     if (_anno == NULL)
diff --git a/noncore/apps/opie-reader/Bkmks.h b/noncore/apps/opie-reader/Bkmks.h
index c2275e2..985e158 100644
--- a/noncore/apps/opie-reader/Bkmks.h
+++ b/noncore/apps/opie-reader/Bkmks.h
@@ -20,15 +20,12 @@ class Bkmk
     unsigned char m_red,m_green,m_blue, m_level;
     void init(const void*, unsigned short, const void*, unsigned short, unsigned int);
  public:
-    Bkmk() : m_name(NULL), m_namelen(0), m_anno(NULL), m_annolen(0), m_position(0) {};
+    Bkmk() : m_name(0), m_namelen(0), m_anno(0), m_annolen(0), m_position(0) {};
     Bkmk(const unsigned char* _nm, unsigned short _nmlen, const unsigned char* _anno, unsigned short _annolen, unsigned int _p);
     Bkmk(const tchar* _nm, const unsigned char* _anno, unsigned short _annolen, unsigned int _p);
     Bkmk(const tchar* _nm, const tchar* _anno, unsigned int _p);
     Bkmk(const tchar* _nm, const tchar* _anno, unsigned int _p, unsigned int _p2);
-    Bkmk(const Bkmk& rhs) : m_name(NULL), m_anno(NULL)
-	{
-	    *this = rhs;
-	}
+    Bkmk(const Bkmk& rhs);
     ~Bkmk();
     unsigned int value() const { return m_position; }
     void value(unsigned int _v) { m_position = _v; }
diff --git a/noncore/apps/opie-reader/StyleConsts.cpp b/noncore/apps/opie-reader/StyleConsts.cpp
index 77c9d3b..c19fa3d 100644
--- a/noncore/apps/opie-reader/StyleConsts.cpp
+++ b/noncore/apps/opie-reader/StyleConsts.cpp
@@ -4,6 +4,13 @@
 
 GraphicLink::~GraphicLink() { delete graphic; }
 
+pmstore::pmstore(bool _canScale, QImage* p, bool isLnk, unsigned long tgt) :
+  count(1),
+  m_isScaleable(_canScale)
+{
+    graphic = new GraphicLink(p, isLnk, tgt);
+}
+
 pmstore::~pmstore()
 { 
 ////    qDebug("Deleting image");
diff --git a/noncore/apps/opie-reader/StyleConsts.h b/noncore/apps/opie-reader/StyleConsts.h
index 4b7ff4b..5fd9669 100644
--- a/noncore/apps/opie-reader/StyleConsts.h
+++ b/noncore/apps/opie-reader/StyleConsts.h
@@ -21,15 +21,13 @@ struct GraphicLink
     ~GraphicLink();
 };
 
-struct pmstore
+class pmstore
 {
+  public:
     unsigned int count;
     bool m_isScaleable;
     GraphicLink*     graphic;
-    pmstore(bool _canScale, QImage* p, bool isLnk, unsigned long tgt) : count(1), m_isScaleable(_canScale)
-	{
-	    graphic = new GraphicLink(p, isLnk, tgt);
-	}
+    pmstore(bool _canScale, QImage* p, bool isLnk, unsigned long tgt);
     ~pmstore();
 };
 
diff --git a/noncore/apps/opie-write/qrichtext.cpp b/noncore/apps/opie-write/qrichtext.cpp
index c27eb1e..f040f1e 100644
--- a/noncore/apps/opie-write/qrichtext.cpp
+++ b/noncore/apps/opie-write/qrichtext.cpp
@@ -6060,7 +6060,7 @@ static QMap<QString, QPixmapInt> *pixmap_map = 0;
 
 QTextImage::QTextImage( QTextDocument *p, const QMap<QString, QString> &attr, const QString& context,
 			QMimeSourceFactory &factory )
-    : QTextCustomItem( p )
+    : QTextCustomItem( p ), reg( 0 )
 {
     width = height = 0;
     if ( attr.contains("width") )
@@ -6068,7 +6068,6 @@ QTextImage::QTextImage( QTextDocument *p, const QMap<QString, QString> &attr, co
     if ( attr.contains("height") )
 	height = attr["height"].toInt();
 
-    reg = 0;
     QString imageName = attr["src"];
 
     if (!imageName)
@@ -6149,6 +6148,7 @@ QTextImage::QTextImage( QTextDocument *p, const QMap<QString, QString> &attr, co
 
 QTextImage::~QTextImage()
 {
+    delete reg;
     if ( pixmap_map && pixmap_map->contains( imgId ) ) {
 	QPixmapInt& pmi = pixmap_map->operator[](imgId);
 	pmi.ref--;
@@ -6160,7 +6160,6 @@ QTextImage::~QTextImage()
 	    }
 	}
     }
-    delete reg;
 }
 
 QString QTextImage::richText() const
diff --git a/noncore/apps/tinykate/libkate/document/katehighlight.cpp b/noncore/apps/tinykate/libkate/document/katehighlight.cpp
index 539d356..89024f7 100644
--- a/noncore/apps/tinykate/libkate/document/katehighlight.cpp
+++ b/noncore/apps/tinykate/libkate/document/katehighlight.cpp
@@ -389,13 +389,18 @@ const QChar *HlAnyChar::checkHgl(const QChar *s, int len, bool)
 }
 
 HlRegExpr::HlRegExpr(int attribute, int context,QString regexp)
-  : HlItem(attribute, context) {
+  : HlItem(attribute, context), Expr(0) {
 
     handlesLinestart=regexp.startsWith("^");
     if(!handlesLinestart) regexp.prepend("^");
     Expr=new QRegExp3(regexp);
 }
 
+HlRegExpr::~HlRegExpr()
+{
+    delete Expr;
+}
+
 const QChar *HlRegExpr::checkHgl(const QChar *s, int len, bool lineStart)
 {
   if ((!lineStart) && handlesLinestart) return 0;
diff --git a/noncore/apps/tinykate/libkate/document/katehighlight.h b/noncore/apps/tinykate/libkate/document/katehighlight.h
index fddf585..f0be27b 100644
--- a/noncore/apps/tinykate/libkate/document/katehighlight.h
+++ b/noncore/apps/tinykate/libkate/document/katehighlight.h
@@ -184,7 +184,7 @@ class HlAnyChar : public HlItem {
 class HlRegExpr : public HlItem {
   public:
   HlRegExpr(int attribute, int context,QString expr);
-  ~HlRegExpr(){delete Expr;};
+  ~HlRegExpr();
   virtual const QChar *checkHgl(const QChar *, int len, bool);
   QRegExp3 *Expr;
   bool handlesLinestart;