On Tue, Mar 24, 2009 at 10:12 PM, Martijn van Oosterhout <[email protected]> wrote: > Not really a GCC extension, but you could have the macro check that it > can take the address of the arguments, which amounts to almost the same > thing. It only doesn't work on constants.
No, there are all kinds of complex expressions which are lvalues -- anything ending in a pointer dereference for example, which is precisely the most likely kind of expression to introduce seg fault if something is unexpectedly null . -- greg -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
