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Re: [PATCH] x86/common: Use const char * for string literals
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 17 Jul 2023 09:59:07 +0200
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- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Roberto Bagnara <roberto.bagnara@xxxxxxxxxxx>, Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Mon, 17 Jul 2023 07:59:22 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 14.07.2023 13:00, Andrew Cooper wrote:
> For pre-ANSI-C compatibility reasons, string literals have a mutable type, but
> it is undefined behaviour to mutate them.
>
> Swap char *'s to const char *'s for variables which hold string literals.
>
> This fixes several violations of MISRA Rule 7.4:
>
> A string literal shall not be assigned to an object unless the object's type
> is "pointer to const-qualified char".
>
> No functional change.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
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