Pierre-André Jacquod wrote: > B2DTuple(const B2DTuple& rTup) > ... > Here you dereference the null pointer, which crash. > > Ok, the basic attitude would be to let B2DTuple be Null-pointer > consistent: (checking that rTup is not NULL), but is it really a > good idea? > Hi Pierre-André,
no, what's passed is a reference, which by definition is always de-referencable - so the bug is in the calling code. > Or should I look higher in the hierarchy, saying that a NULL point > in a B2DPolygon has nothing to do and disallow it ? > Yes, the calling code somehow accesses invalid elements. Let me have a look. Cheers, -- Thorsten
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