Re: ltdl.c and 1.4.1 (type conflicts)

[Tim Mooney]

In regard to: Re: ltdl.c and 1.4.1 (type conflicts), Gary V. Vaughan said...:

>Except that the function argument takes an lt_ptr which it passes
>through to a callback function.  Sometimes it is a pointer to a
>structure that the callback uses, other times it is a pointer to a
>function.  Creating two identical functions, but for whether they pass
>through a pointer to a function or a pointer to something else is not
>a good idea... I really think that the warning from xlc is
>misconceived.

Except it's not just xlc, it's Sun's Forte 6.1, recent versions of the
Tru64 UNIX C compiler, HP-UX 10.20's ANSI C compiler, and possibly others.
Even gcc 3.x can be made to warn about it.  ;-)

None of them error out on it, but they all warn that it's "against the
standard".  Maybe that's changed with C9X, so it's no longer a problem --
I don't know.

In any case, since no one has pointed out a compiler that won't accept this,
it's probably not worth worrying about at this point.

>Indeed.  But K&R vs. ANSI is not the reason for this problem.  Anyway,
>supporting K&R is really not at all difficult, so I have no problem at
>all with doing it.

As long as it's not a problem for you, great!  Hopefully it never becomes
an issue.

Tim
-- 
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