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From:   Brendan Higgins <brendanhiggins@google.com>
Date:   Tue, 26 Jul 2022 01:27:14 -0400
Message-ID: <CAFd5g45ur97hajOqLctnRNQkaYfRXfacdUpRY9mw8X6ot8OPjA@mail.gmail.com>
Subject: Re: [PATCH RESEND v2] Documentation: KUnit: Fix example with
 compilation error
To:     =?UTF-8?B?TWHDrXJhIENhbmFs?= <mairacanal@riseup.net>
Cc:     Jonathan Corbet <corbet@lwn.net>, davidgow@google.com,
        linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com,
        linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
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On Wed, Jul 20, 2022 at 2:57 PM Ma=C3=ADra Canal <mairacanal@riseup.net> wr=
ote:
>
> The Parameterized Testing example contains a compilation error, as the
> signature for the description helper function is void(*)(const struct
> sha1_test_case *, char *), and the struct is non-const. This is
> warned by Clang:
>
> error: initialization of =E2=80=98void (*)(struct sha1_test_case *, char =
*)=E2=80=99
> from incompatible pointer type =E2=80=98void (*)(const struct sha1_test_c=
ase *,
> char *)=E2=80=99 [-Werror=3Dincompatible-pointer-types]
> 33 | KUNIT_ARRAY_PARAM(sha1, cases, case_to_desc);
>    |                                ^~~~~~~~~~~~
> ../include/kunit/test.h:1339:70: note: in definition of macro
> =E2=80=98KUNIT_ARRAY_PARAM=E2=80=99
> 1339 |                         void
>    (*__get_desc)(typeof(__next), char *) =3D get_desc; \
>
> Signed-off-by: Ma=C3=ADra Canal <mairacanal@riseup.net>

Thanks!

Reviewed-by: Brendan Higgins <brendanhiggins@google.com>