On 4/11/25 2:00 PM, Thomas Weißschuh wrote:
> With -Wmissing-prototypes the compiler will warn about non-static
> functions which don't have a prototype defined.
> As they are not used from a different compilation unit they don't need to
> be defined globally.
> 
> Avoid the issue by marking the functions static.
> 
> Signed-off-by: Thomas Weißschuh <thomas.weisssc...@linutronix.de>
Reviewed-by: Muhammad Usama Anjum <usama.an...@collabora.com>

> ---
>  tools/testing/selftests/kselftest_harness.h | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/tools/testing/selftests/kselftest_harness.h 
> b/tools/testing/selftests/kselftest_harness.h
> index 
> 2b350ed60b2bf1cbede8e3a9b4ac5fe716900144..5822bc0b86a3c623fd34830fb8b541b27672a00b
>  100644
> --- a/tools/testing/selftests/kselftest_harness.h
> +++ b/tools/testing/selftests/kselftest_harness.h
> @@ -258,7 +258,7 @@
>   * A bare "return;" statement may be used to return early.
>   */
>  #define FIXTURE_SETUP(fixture_name) \
> -     void fixture_name##_setup( \
> +     static void fixture_name##_setup( \
>               struct __test_metadata __attribute__((unused)) *_metadata, \
>               FIXTURE_DATA(fixture_name) __attribute__((unused)) *self, \
>               const FIXTURE_VARIANT(fixture_name) \
> @@ -307,7 +307,7 @@
>       __FIXTURE_TEARDOWN(fixture_name)
>  
>  #define __FIXTURE_TEARDOWN(fixture_name) \
> -     void fixture_name##_teardown( \
> +     static void fixture_name##_teardown( \
>               struct __test_metadata __attribute__((unused)) *_metadata, \
>               FIXTURE_DATA(fixture_name) __attribute__((unused)) *self, \
>               const FIXTURE_VARIANT(fixture_name) \
> @@ -987,7 +987,7 @@ static void __timeout_handler(int sig, siginfo_t *info, 
> void *ucontext)
>       kill(-(t->pid), SIGKILL);
>  }
>  
> -void __wait_for_test(struct __test_metadata *t)
> +static void __wait_for_test(struct __test_metadata *t)
>  {
>       struct sigaction action = {
>               .sa_sigaction = __timeout_handler,
> @@ -1205,9 +1205,9 @@ static bool test_enabled(int argc, char **argv,
>       return !has_positive;
>  }
>  
> -void __run_test(struct __fixture_metadata *f,
> -             struct __fixture_variant_metadata *variant,
> -             struct __test_metadata *t)
> +static void __run_test(struct __fixture_metadata *f,
> +                    struct __fixture_variant_metadata *variant,
> +                    struct __test_metadata *t)
>  {
>       struct __test_xfail *xfail;
>       char test_name[1024];
> 


-- 
Regards,
Usama

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