On Fri, Jul 05, 2024 at 04:19:57PM +0200, ??? wrote:
> Then you need to update your knowledge: this is now standard C23.
It's a pity that C23 includes a handful of reasonable things along
with all the foolishness. It would be easier for everyone to just
ignore it entirely.
--
David A. Holland
d
At Fri, 5 Jul 2024 10:03:05 -0400 (EDT), Mouse
wrote:
Subject: Re: compilers and unused args in functions
>
> One is
>
> (void)arg;
This is, in my opinion, the one correct way to explicitly and with
intent "use" an otherwise unused variable or parameter.
It is afte
On Fri, Jul 05, 2024 at 10:03:05AM -0400, Mouse wrote:
> In...C++, I think it is?, you can do this by declaring the unused arg
> without a name, as in
>
> void fxn(int arg1, int)
> {
> ...
> }
>
> but as far as I know nobody's picked that up in C. (It strikes me as a
> very sensible approach.)
> One of those functions needs a 2nd arg, which means that to keep
> compatible function profiles these days, I need to add the extra arg
> to all of them
Or complicate the call sites, yes.
> In the ancient past I would have just added an extra arg to the one
> that needs it, and the call site, a
Date:Fri, 5 Jul 2024 10:20:23 +0200
From:=?UTF-8?Q?J=C3=B6rg_Sonnenberger?=
Message-ID:
| How do you know which functions take one argument and which two?
They all take two now. That was the question (now answered) - what
should I do with the extra arg in those
On 7/5/24 6:36 AM, Robert Elz wrote:
In sh, I have a whole set of functions that are called
via a function pointer in a data struct
(*p->func)(arg);
One of those functions needs a 2nd arg, which means that
to keep compatible function profiles these days, I need
to add the extra arg t
Date:Fri, 5 Jul 2024 08:00:46 +0200
From:Roland Illig
Message-ID:
| Do you really need all these functions in a single table?
Yes. This is for when a variable is set, the var struct has a
function for those few variables that need some special action to
be taken
Am 05.07.2024 um 06:36 schrieb Robert Elz:
> In sh, I have a whole set of functions that are called
> via a function pointer in a data struct
>
> (*p->func)(arg);
>
> One of those functions needs a 2nd arg, which means that
> to keep compatible function profiles these days, I need
> to add th
On Fri, Jul 05, 2024 at 11:36:06 +0700, Robert Elz wrote:
> So, now I have all these functions (but one) with an arg they don't
> need, and have no use for.
>
> I could add something stupid like
> arg = arg;
> or something to use the value (but then the compiler is likely to
> warn about ar
