Re: pg_malloc() versus malloc(0)

Dimitri Fontaine <dimitri(at)2ndQuadrant(dot)fr> writes:
> Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
>> Namely, that on platforms where malloc(0) returns NULL instead of
>> a pointer to a zero-size block, pg_malloc thinks it's a failure
>> and aborts the program.

> What's the use case for malloc(0) anyway?

See getAggregates() for an example. Yeah, we could add a special-case
code path for no aggregates, but it would be annoying and error-prone.

regards, tom lane