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#1 (**permalink**) 04-15-2008, 09:06 PM

int
pg_fe_sendauth(AuthRequest areq, PGconn *conn, const char *hostname,
const char *password, char *PQerrormsg)
{
#ifndef KRB5
(void) hostname; /* not used */
#endif

....

(fe-auth.c)

What does that code actually *do*?

//Magnus

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#2 (**permalink**) 04-15-2008, 09:06 PM

* Magnus Hagander (magnus@hagander.net) wrote:
> #ifndef KRB5
> (void) hostname; /* not used */
> #endif
[...]
> What does that code actually *do*?

Stop the compiler from complaining about an unused argument.

Thanks,

Stephen

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#3 (**permalink**) 04-15-2008, 09:06 PM

On 7/19/07, Magnus Hagander <magnus@hagander.net> wrote:
> int
> pg_fe_sendauth(AuthRequest areq, PGconn *conn, const char *hostname,
> const char *password, char *PQerrormsg)
> {
> #ifndef KRB5
> (void) hostname; /* not used */
> #endif
>
> ...
>
> (fe-auth.c)
>
> What does that code actually *do*?

Somebody tried to work around "unused argument" warning?

--
marko

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#4 (**permalink**) 04-15-2008, 09:06 PM

On Thu, Jul 19, 2007 at 06:41:17AM -0400, Stephen Frost wrote:
> * Magnus Hagander (magnus@hagander.net) wrote:
> > #ifndef KRB5
> > (void) hostname; /* not used */
> > #endif
> [...]
> > What does that code actually *do*?
>
> Stop the compiler from complaining about an unused argument.

That makes sense, except my compiled didn't warn even when I took it out
:-) Ah, well, thanks for clearifying.

//Magnus

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#5 (**permalink**) 04-15-2008, 09:06 PM

* Magnus Hagander (magnus@hagander.net) wrote:
> On Thu, Jul 19, 2007 at 06:41:17AM -0400, Stephen Frost wrote:
> > Stop the compiler from complaining about an unused argument.
>
> That makes sense, except my compiled didn't warn even when I took it out
> :-) Ah, well, thanks for clearifying.

It depends on the compiler you're using.. My recollection is that
it shows up at least w/ gcc and -Wall and/or -pedantic.

Thanks,

Stephen

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Can someone explain this code?