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Re: [PATCH] automation/eclair_analysis: deviate common/unlzo.c for MISRA Rule 7.3
- To: alessandro.zucchelli@xxxxxxxxxxx, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 20 Jun 2024 16:10:22 +0200
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- Cc: consulting@xxxxxxxxxxx, Simone Ballarin <simone.ballarin@xxxxxxxxxxx>, Doug Goldstein <cardoe@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 20 Jun 2024 14:10:34 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 20.06.2024 15:19, Alessandro Zucchelli wrote:
> On 2024-06-20 03:17, Stefano Stabellini wrote:
>> On Tue, 18 Jun 2024, Jan Beulich wrote:
>>> On 18.06.2024 11:54, Alessandro Zucchelli wrote:
>>>> The file contains violations of Rule 7.3 which states as following: The
>>>> lowercase character `l' shall not be used in a literal suffix.
>>>>
>>>> This file defines a non-compliant constant used in a macro expanded in a
>>>> non-excluded file, so this deviation is needed in order to avoid
>>>> a spurious violation involving both files.
>>>
>>> Imo it would be nice to be specific in such cases: Which constant? And
>>> which macro expanded in which file?
>>
>> Hi Alessandro,
>> if you give me the details, I could add it to the commit message on
>> commit
>
> The file common/unlzo.c defines the non-compliant constant
> LZO_BLOCK_SIZE as
> "256*1024l" (note the 'l'). This file is excluded from ECLAIR analysis
> but
> as the constant is used in macro xmalloc_bytes, expanded in non-excluded
> file
> include/xen/xmalloc.h, thus these specific violations need this
> configuration
> in order to be excluded.
Would it perhaps be easier to swap the l for an L?
Jan
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