Luke, use the source. Looking in hv.c I see the following possible causes for a NULL return:

Notice that only a bad HV * arg will cause a 0 return and running out of memory won't - the program will just croak() with an Out of Memory error.

-sam

In reply to Re: When does hv_store() fail? by samtregar
in thread When does hv_store() fail? by rsteinke

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