Bruce Momjian <pgman@candle.pha.pa.us> writes:
> I found the cause. I traced into printf then realized I was not in libc
> but port/snprintf.c, and I see 4096 defined for those buffers.
Uh, how is control getting to snprintf? I don't see that used either
in numeric.c or in printtup.c.
regards, tom lane