21b940887a
with something with a different size ... well we segfault. The reason was that the logic in the PML OB1 call the convertor based on the length of he data on the wire and not the length of the data that the receiver expects. In other words, this is only half a patch :) It fix the problem, but we still have to make sure the unpack is not called at all when the receiver expect ZERO bytes. This commit was SVN r18474.
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