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From: Ian Collins <ian-news@hotmail.com>
Newsgroups: comp.lang.c
Subject: Re: Octal
Date: Mon, 2 Jan 2017 09:38:21 +1300
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Xref: csiph.com comp.lang.c:100810

On 01/ 2/17 09:11 AM, Stefan Ram wrote:
> Ian Collins <ian-news@hotmail.com> writes:
>> On 01/ 2/17 08:54 AM, Stefan Ram wrote:
>>> Ian Collins <ian-news@hotmail.com> writes:
>>>> I wonder why C hasn't adopted the simple rule from C++: if a parameter
>>>> isn't going to be used, don't give it a name.
>>> There's a style checker for C++ in clang, and when I write:
>> It should be telling that control reaches end of non-void function...
>
>    I was referring to »clang-tidy« with »-checks=* -Weverything -W -Wall«.

Note this is a guideline, not a language standard rule.

If you refer to the relevant style guideline 
(https://google.github.io/styleguide/cppguide.html#Function_Declarations_and_Definitions) 
it includes the note:

"Parameter names may be omitted only if the parameter is unused and its 
purpose is obvious."

So clang-tidy is being over zealous.

-- 
Ian