Re: [HACKERS] [PATCH] Suppress Clang 3.9 warnings - Mailing list pgsql-hackers

From David Steele
Subject Re: [HACKERS] [PATCH] Suppress Clang 3.9 warnings
Date
Msg-id dc2a33c7-a498-c277-592e-30a9ad8c7926@pgmasters.net
Whole thread Raw
In response to Re: [HACKERS] [PATCH] Suppress Clang 3.9 warnings  (Fabien COELHO <coelho@cri.ensmp.fr>)
Responses Re: [HACKERS] [PATCH] Suppress Clang 3.9 warnings  (Aleksander Alekseev <a.alekseev@postgrespro.ru>)
List pgsql-hackers
Hi Aleksander,

On 2/22/17 9:43 AM, Fabien COELHO wrote:
> 
> Hello Aleksander,
> 
>> ```
>> xloginsert.c:742:18: warning: implicit conversion from 'int' to 'char'
>> changes value from 253 to -3 [-Wconstant-conversion]
>> ```
> 
> There is a bunch of these in "xlog.c" as well, and the same code is used
> in "pg_resetwal.c".
> 
>> Patch that fixes these warnings is attached to this email.
> 
> My 0.02€:
> 
> I'm not at ease at putting the thing bluntly under the carpet with a cast.
> 
> Why not update the target type to "unsigned char" instead, so that no
> cast is needed and the value compatibility is checked by the compiler? I
> guess there would be some more changes (question is how much), but it
> would be cleaner.

There's been no discussion or new patch on this thread recently.  If you
are planning to address the issues raised please plan to do so by
Thursday, March 16th.

If no new patch is submitted by that date I will mark this patch
"Returned with Feedback".

Thanks,
-- 
-David
david@pgmasters.net



pgsql-hackers by date:

Previous
From: Tom Lane
Date:
Subject: Re: [HACKERS] [COMMITTERS] pgsql: Improve postmaster's logging of listen socket creation.
Next
From: Ashutosh Sharma
Date:
Subject: Re: [HACKERS] WAL Consistency checking for hash indexes