Kate F <[EMAIL PROTECTED]> writes:
> ... does PostgreSQL replace my system's snprintf() prototype with
> its own implementation's?
We do on some platforms where configure decides the system version
is deficient ... I don't recall the exact conditions at the moment.
I wouldn't really have expected that to happen on any *BSD, but you
could look into the generated Makefile.global to find out.
> For reference, the relevant part of C99:
> 7.19.6.5 2 If n is zero, nothing is written, and s may be a null
> pointer.
For reference, the relevant part of the Single Unix Spec:
If the value of n is zero on a call to snprintf(), an
unspecified value less than 1 is returned.
So the behavior you'd like to depend on is unportable anyway, and
that coding will get rejected if submitted as a Postgres patch.
regards, tom lane
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