[mpich-devel] MPIR_ERRTEST_ARGNULL and count=0 (or type_size=0)

[Lisandro Dalcin]

On 29 May 2013 22:49, Jeff Hammond <jhammond at alcf.anl.gov> wrote:
> It seems that I didn't understand MPI_BOTTOM completely, so the error
> checks needed to be different than described below, but the high-level
> issues are the same.
>
> Interested parties may consult
> http://trac.mpich.org/projects/mpich/ticket/1863 for details and
> further discussion.
>

Please take a look at the macro MPIR_ERRTEST_USERBUFFER .



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Lisandro Dalcin
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