Re: Add "-Wimplicit-fallthrough" to default flags (was Re: pgsql:Support FETCH FIRST WITH TIES)

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От Andrew Dunstan
Тема Re: Add "-Wimplicit-fallthrough" to default flags (was Re: pgsql:Support FETCH FIRST WITH TIES)
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Msg-id 00bc9cc4-cace-3dd9-c064-dd058975f7ef@2ndQuadrant.com
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Ответ на Re: Add "-Wimplicit-fallthrough" to default flags (was Re: pgsql:Support FETCH FIRST WITH TIES)  (Julien Rouhaud <rjuju123@gmail.com>)
Ответы Re: Add "-Wimplicit-fallthrough" to default flags (was Re: pgsql:Support FETCH FIRST WITH TIES)  (Julien Rouhaud <rjuju123@gmail.com>)
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On 5/11/20 7:29 AM, Julien Rouhaud wrote:
> On Mon, May 11, 2020 at 6:47 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Alvaro Herrera <alvherre@2ndquadrant.com> writes:
>>> On 2020-May-06, Alvaro Herrera wrote:
>>>> This doesn't allow whitespace between "fall" and "through", which means
>>>> we generate 217 such warnings currently.  Or we can just use
>>>> -Wimplicit-fallthrough=3, which does allow whitespace (among other
>>>> detritus).
>>> If we're OK with patching all those places, I volunteer to do so.  Any
>>> objections?  Or I can keep it at level 3, which can be done with minimal
>>> patching.
>> If we're gonna do it at all, I think we should go for the level 4
>> warnings.  Level 3's idea of a fallthrough comment is too liberal
>> for my tastes...
> Here's a patch that also takes care of cleaning all warning due to the
> level 4 setting (at least the one I got with my other config options).
> I went with "FALLTHRU" as this seemed more used.
>
> Note that timezone/zic.c would also have to be changed.



Since this is external code maybe we should leave that at level 3? I
think that should be doable via a Makefile override.


cheers


andrew


-- 
Andrew Dunstan                https://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services




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