Hmm, that is what I initially wanted to say :-) I should have marked in/out params more clearly... A. Quoting [John Shalf] (Nov 22 2005):
Whoops, then we really need a) size is not known, so we do two step int getMessageSize(handle); <malloc by application> int read(handle,buffer,size)
b) size is not known, but we let implementation malloc automatically char *readAutoAllocate(handle);
c) size is known, so we just do a one-step read int read(handle,buffer,size);
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