Each file in this commit has an instance where a pointer is checked at

one point in the code and then not checked in another point in the code.
If it needed to be checked once, it needs to be checked the other time. If not
the application could segfault.

3 files changed, 36 insertions, 33 deletions

diff --git a/noncore/apps/checkbook/mainwindow.cpp b/noncore/apps/checkbook/mainwindow.cpp
index d9e2047..8e2e2e3 100644
--- a/noncore/apps/checkbook/mainwindow.cpp
+++ b/noncore/apps/checkbook/mainwindow.cpp
@@ -234,24 +234,25 @@ void MainWindow::slotEdit()
 {
     // get name and open it
     QListViewItem *curritem = cbList->currentItem();
     if ( !curritem )
         return;
     openBook( curritem );
 }
 
 
 // --- openBook ---------------------------------------------------------------
 void MainWindow::openBook(QListViewItem *curritem)
 {
+    if ( !curritem ) return;
     // find book in List
     QString currname=curritem->text(posName);
     CBInfo *cb = checkbooks->first();
     while ( cb ) {
         if ( cb->name() == currname )
             break;
         cb = checkbooks->next();
     }
     if ( !cb ) return;
 
     //
     buildFilename( currname );
@@ -268,28 +269,26 @@ void MainWindow::openBook(QListViewItem *curritem)
         }
         delete pw;
     }
 
     _cfg.setLastBook( currname );
     Checkbook *currcb = new Checkbook( this, cb, &_cfg );
     if ( QPEApplication::execDialog( currcb ) == QDialog::Accepted )
     {
         QString newname = cb->name();
         if ( currname != newname )
         {
             // Update name if changed
-            if( curritem ) {
                 curritem->setText( posName, newname );
                 cbList->sort();
-            }
             _cfg.setLastBook( newname );
 
             // Remove old file
             QFile f( tempFilename );
             if ( f.exists() )
                 f.remove();
 
             // Get new filename
             buildFilename( newname );
             cb->setFilename( tempFilename );
         }
 
diff --git a/noncore/apps/opie-console/procctl.cpp b/noncore/apps/opie-console/procctl.cpp
index a44529b..5239e26 100644
--- a/noncore/apps/opie-console/procctl.cpp
+++ b/noncore/apps/opie-console/procctl.cpp
@@ -40,25 +40,28 @@ void ProcCtl::remove( pid_t pi ) {
     if (m_last->pid == pi ) {
         con = m_last;
         m_last = con->prev;
         delete con;
         return;
     }
 
     con = m_last;
     ProcContainer* forw = 0l;
     while (con ) {
         /* remove it */
         if ( pi == con->pid ) {
+            if (forw)
             forw->prev = con->prev;
+	    else
+		forw = con->prev;
             delete con;
             return;
         }
 
         forw = con;
         con = con->prev;
     }
 
 }
 void ProcCtl::remove( ProcContainer con ) {
     remove( con.pid );
 }
diff --git a/noncore/apps/tinykate/libkate/document/katedocument.cpp b/noncore/apps/tinykate/libkate/document/katedocument.cpp
index b82a86a..692fd46 100644
--- a/noncore/apps/tinykate/libkate/document/katedocument.cpp
+++ b/noncore/apps/tinykate/libkate/document/katedocument.cpp
@@ -2006,56 +2006,56 @@ QColor &KateDocument::cursorCol(int x, int y) {
 void KateDocument::paintTextLine(QPainter &paint, int line, int xStart, int xEnd, bool showTabs)
 {
   paintTextLine (paint, line, 0, xStart, xEnd, showTabs);
 }
 
 void KateDocument::paintTextLine(QPainter &paint, int line, int y, int xStart, int xEnd, bool showTabs)
 {
   TextLine::Ptr textLine;
   int len;
   const QChar *s;
   int z, x;
   QChar ch;
-  Attribute *a = 0L;
+  Attribute *attrptr = 0L;
   int attr, nextAttr;
   int xs;
   int xc, zc;
 
   if (line > lastLine()) {
     paint.fillRect(0, y, xEnd - xStart,fontHeight, colors[0]);
     return;
   }
 
   textLine = getTextLine(line);
   len = textLine->length();
   s = textLine->getText();
 
   // skip to first visible character
   x = 0;
   z = 0;
   do {
     xc = x;
     zc = z;
     if (z == len) break;
     ch = s[z];//textLine->getChar(z);
     if (ch == '\t') {
       x += m_tabWidth - (x % m_tabWidth);
     } else {
-     a = &m_attribs[textLine->getAttr(z)];
+     attrptr = &m_attribs[textLine->getAttr(z)];
 
-   if (a->bold && a->italic)
+     if (attrptr->bold && attrptr->italic)
       x += myFontMetricsBI.width(ch);
-    else if (a->bold)
+     else if (attrptr->bold)
       x += myFontMetricsBold.width(ch);
-    else if (a->italic)
+     else if (attrptr->italic)
       x += myFontMetricsItalic.width(ch);
     else
       x += myFontMetrics.width(ch);
     }
     z++;
   } while (x <= xStart);
 
   // draw background
   xs = xStart;
   attr = textLine->getRawAttr(zc);
   while (x < xEnd)
   {
@@ -2070,31 +2070,31 @@ void KateDocument::paintTextLine(QPainter &paint, int line, int y, int xStart, i
       xs = x;
       attr = nextAttr;
     }
 
     if (z == len) break;
 
     ch = s[z];//textLine->getChar(z);
 
     if (ch == '\t')
       x += m_tabWidth - (x % m_tabWidth);
     else
     {
-      a = &m_attribs[textLine->getAttr(z)];
+      attrptr = &m_attribs[textLine->getAttr(z)];
 
-      if (a->bold && a->italic)
+      if (attrptr->bold && attrptr->italic)
         x += myFontMetricsBI.width(ch);
-      else if (a->bold)
+      else if (attrptr->bold)
         x += myFontMetricsBold.width(ch);
-      else if (a->italic)
+      else if (attrptr->italic)
         x += myFontMetricsItalic.width(ch);
       else
         x += myFontMetrics.width(ch);
     }
     z++;
   }
 
   if (attr & taSelected)
     paint.fillRect(xs - xStart, y, xEnd - xs, fontHeight, colors[1]);
   else
     paint.fillRect(xs - xStart, y, xEnd - xs, fontHeight, colors[0]);
 
@@ -2105,90 +2105,88 @@ void KateDocument::paintTextLine(QPainter &paint, int line, int y, int xStart, i
   z = zc;
   y += fontAscent;// -1;
   attr = -1;
   while (z < len) {
     ch = s[z];//textLine->getChar(z);
     if (ch == '\t') {
       if (z > zc) {
         //this should cause no copy at all
         QConstString str((QChar *) &s[zc], z - zc /*+1*/);
         QString s = str.string();
         paint.drawText(x - xStart, y, s);
 
-   if (a->bold && a->italic)
+        if (attrptr && attrptr->bold && attrptr->italic)
       x += myFontMetricsBI.width(s);
-    else if (a->bold)
+        else if (attrptr && attrptr->bold)
       x += myFontMetricsBold.width(s);
-    else if (a->italic)
+        else if (attrptr && attrptr->italic)
       x += myFontMetricsItalic.width(s);
     else
       x += myFontMetrics.width(s);
       }
       zc = z +1;
 
       if (showTabs) {
         nextAttr = textLine->getRawAttr(z);
         if (nextAttr != attr) {
           attr = nextAttr;
-          a = &m_attribs[attr & taAttrMask];
+          attrptr = &m_attribs[attr & taAttrMask];
 
-          if (attr & taSelected) paint.setPen(a->selCol);
-            else paint.setPen(a->col);
+          if (attr & taSelected) paint.setPen(attrptr->selCol);
+            else paint.setPen(attrptr->col);
 
-   if (a->bold && a->italic)
+          if (attrptr->bold && attrptr->italic)
      paint.setFont(myFontBI);
-    else if (a->bold)
+          else if (attrptr->bold)
       paint.setFont(myFontBold);
-    else if (a->italic)
+          else if (attrptr->italic)
       paint.setFont(myFontItalic);
     else
       paint.setFont(myFont);
         }
 
-//        paint.drawLine(x - xStart, y -2, x - xStart, y);
-//        paint.drawLine(x - xStart, y, x - xStart + 2, y);
         paint.drawPoint(x - xStart, y);
         paint.drawPoint(x - xStart +1, y);
         paint.drawPoint(x - xStart, y -1);
       }
       x += m_tabWidth - (x % m_tabWidth);
     } else {
       nextAttr = textLine->getRawAttr(z);
       if (nextAttr != attr) {
         if (z > zc) {
           QConstString str((QChar *) &s[zc], z - zc /*+1*/);
           QString s = str.string();
           paint.drawText(x - xStart, y, s);
 
-   if (a->bold && a->italic)
+          if (attrptr->bold && attrptr->italic)
       x += myFontMetricsBI.width(s);
-    else if (a->bold)
+          else if (attrptr->bold)
       x += myFontMetricsBold.width(s);
-    else if (a->italic)
+          else if (attrptr->italic)
       x += myFontMetricsItalic.width(s);
     else
       x += myFontMetrics.width(s);
           zc = z;
         }
         attr = nextAttr;
-        a = &m_attribs[attr & taAttrMask];
+        attrptr = &m_attribs[attr & taAttrMask];
 
-        if (attr & taSelected) paint.setPen(a->selCol);
-          else paint.setPen(a->col);
+        if (attr & taSelected) paint.setPen(attrptr->selCol);
+          else paint.setPen(attrptr->col);
 
-   if (a->bold && a->italic)
+        if (attrptr->bold && attrptr->italic)
      paint.setFont(myFontBI);
-    else if (a->bold)
+        else if (attrptr->bold)
       paint.setFont(myFontBold);
-    else if (a->italic)
+        else if (attrptr->italic)
       paint.setFont(myFontItalic);
     else
       paint.setFont(myFont);
       }
     }
     z++;
   }
   if (z > zc) {
     QConstString str((QChar *) &s[zc], z - zc /*+1*/);
     paint.drawText(x - xStart, y, str.string());
   }
 }
@@ -2218,25 +2216,27 @@ bool KateDocument::doSearch(SConfig &sc, const QString &searchFor) {
         col = 0;
       }
       searchEnd = selectEnd;
     } else searchEnd = lastLine();
 
     while (line <= searchEnd) {
       textLine = getTextLine(line);
       tlen = textLine->length();
       if (tlen > bufLen) {
         delete [] t;
         bufLen = (tlen + 255) & (~255);
         t = new QChar[bufLen];
-      }
+      } else if (!t)
+	  t = new QChar[bufLen];
+
       memcpy(t, textLine->getText(), tlen*sizeof(QChar));
       if (sc.flags & KateView::sfSelected) {
         pos = 0;
         do {
           pos = textLine->findSelected(pos);
           newPos = textLine->findUnselected(pos);
           memset(&t[pos], 0, (newPos - pos)*sizeof(QChar));
           pos = newPos;
         } while (pos < tlen);
       }
 
       QString text(t, tlen);
@@ -2279,25 +2279,26 @@ bool KateDocument::doSearch(SConfig &sc, const QString &searchFor) {
         col = -1;
       }
       searchEnd = selectStart;
     } else searchEnd = 0;
 
     while (line >= searchEnd) {
       textLine = getTextLine(line);
       tlen = textLine->length();
       if (tlen > bufLen) {
         delete [] t;
         bufLen = (tlen + 255) & (~255);
         t = new QChar[bufLen];
-      }
+      } else if (!t)
+        t = new QChar[bufLen];
       memcpy(t, textLine->getText(), tlen*sizeof(QChar));
       if (sc.flags & KateView::sfSelected) {
         pos = 0;
         do {
           pos = textLine->findSelected(pos);
           newPos = textLine->findUnselected(pos);
           memset(&t[pos], 0, (newPos - pos)*sizeof(QChar));
           pos = newPos;
         } while (pos < tlen);
       }
 
       if (col < 0 || col > tlen) col = tlen;