Re: execl() sentinel

Tom Lane wrote:
> It's too bad that gcc doesn't have a
> -Wno-snarkiness-about-system-headers-thank-you switch.

It does have a switch to *add* snarkiness about system headers, but does
not do it by default.

The problem in this case is that an uncast null pointer constant is not
always a sufficient sentinel for variadic functions, as explained here:
<http://c-faq.com/null/null2.html>.

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