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Re: Not used parameter: how to disable the warning

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On 07/23/11 04:04 AM, Kenneth Brody wrote:
> On 7/21/2011 6:47 PM, Ian Collins wrote:
>> On 07/22/11 10:35 AM, pozz wrote:
>>> Is there a universal method (valid for all C compilers) that avoids the
>>> compiler to generate a warning about a not used parameter of a function?
> [...]
>> I guess this points to another useful C++ feature that could easily be added
>> to C (allowing an unused parameter name to be omitted):
>>
>> int sum(int a, int b, int )
>> {
>> return a + b;
>> }
>
> It's not always that simple.  Sometimes the parameter is unused only because
> of some #if.
>
> int sum(int a, int b, int foo)
>       {
> #if USE_FOO
>       DoSomething("sum",foo);
> #endif
>       return(a+b);
>       }

I would guess such cases are rare.  Anyway, they still don't negate the 
elegance of the solution.

-- 
Ian Collins

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Not used parameter: how to disable the warning pozz <pozzugno@gmail.com> - 2011-07-22 00:35 +0200
  Re: Not used parameter: how to disable the warning Ian Collins <ian-news@hotmail.com> - 2011-07-22 10:47 +1200
    Re: Not used parameter: how to disable the warning "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-07-22 02:13 -0700
    Re: Not used parameter: how to disable the warning Kenneth Brody <kenbrody@spamcop.net> - 2011-07-22 12:04 -0400
      Re: Not used parameter: how to disable the warning Ian Collins <ian-news@hotmail.com> - 2011-07-23 09:34 +1200
  Re: Not used parameter: how to disable the warning Harald van Dijk <truedfx@gmail.com> - 2011-07-21 16:06 -0700
  Re: Not used parameter: how to disable the warning pete <pfiland@mindspring.com> - 2011-07-21 20:49 -0400
  Re: Not used parameter: how to disable the warning Geoff <geoff@invalid.invalid> - 2011-07-21 17:52 -0700
  Re: Not used parameter: how to disable the warning Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-07-21 20:52 -0400
  Re: Not used parameter: how to disable the warning Seebs <usenet-nospam@seebs.net> - 2011-07-22 02:51 +0000
  Re: Not used parameter: how to disable the warning rudolf <r.thered@gmail.com> - 2011-07-21 20:08 -0700
    Re: Not used parameter: how to disable the warning Ian Collins <ian-news@hotmail.com> - 2011-07-22 15:15 +1200
  Re: Not used parameter: how to disable the warning Ralf Damaschke <rwspam@gmx.de> - 2011-07-22 09:01 +0000
  Re: Not used parameter: how to disable the warning Roberto Waltman <usenet@rwaltman.com> - 2011-07-22 17:56 -0400

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