Jeremy Drake wrote:
> I don't know if this has been discussed before, but you are aware that it
> is not dictated by the C standard that sizeof(long) == sizeof(void*)?

As evidenced by this piece of code in postgres.h:

typedef unsigned long Datum;    /* XXX sizeof(long) >= sizeof(void *) */

> The best counter-example I know is Windows x64, where sizeof(long) == 4
> while sizeof(void*) == 8.

Yes, and there is lots of work left to do to support that.

-- 
Peter Eisentraut
http://developer.postgresql.org/~petere/

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