[vtk-developers] vtkImageConvolve crashes when malloc fails

[Francois Bertel]

In the standard, delete NULL is perfectly OK.

In reality, there is a gap between what the standard says and what
some compilers or some versions of some compilers support.

On Wed, Jun 4, 2008 at 11:45 AM, Sean McBride <sean at rogue-research.com> wrote:
> On 6/4/08 10:37 AM, Amy Squillacote said:
>
>>Actually, I think I was thinking of the "new" operator.
>
> Ah, yes.  I'm not a language lawyer, but I believe the current C++
> standard says that new _must_ throw an exception on failure, not return
> null.  (At least by default, I think there is a 'nothrow' option.)  I
> believe VS didn't/doesn't honour the standard here.
>
> Another thing many people don't know is that it's perfectly ok to pass
> null to delete.  So there is never a need to write:
>
> if (anObject)
>  delete anObject;
>
> --
> ____________________________________________________________
> Sean McBride, B. Eng                 sean at rogue-research.com
> Rogue Research                        www.rogue-research.com
> Mac Software Developer              Montréal, Québec, Canada
>
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François Bertel, PhD | Kitware Inc. Suite 204
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