[Konsole-devel] fillUnusedArea - bug: 301442, 246484

[Kurt Hindenburg]

This code looks wrong; remind me where this is used?  The charsToFill is
either 0 or a negative number in my testing.  If the scroll back is huge,
the charsToFill will go beyond what a -int can handle.  Also, if
charsToFill is negative don't bother calling fillWithDefaultChar.

Thoughts?
   Kurt


void ScreenWindow::fillUnusedArea()
    int screenEndLine = _screen->getHistLines() + _screen->getLines() - 1;
    int windowEndLine = currentLine() + windowLines() - 1;

    int unusedLines = windowEndLine - screenEndLine;
    int charsToFill = unusedLines * windowColumns();

    Screen::fillWithDefaultChar(_windowBuffer + _windowBufferSize -
charsToFill, charsToFill);
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