Re: [PATCH 1/3] libtracefs utest: Silence string-plus-int warnings

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On Mon, Apr 26, 2021 at 4:25 AM Tzvetomir Stoyanov
<tz.stoyanov@xxxxxxxxx> wrote:
>
> On Fri, Apr 23, 2021 at 6:54 AM Ian Rogers <irogers@xxxxxxxxxx> wrote:
> >
> > Fix warnings of the form:
> >
> > utest/tracefs-utest.c:476:35: error: adding 'int' to a string does not append to the string [-Werror,-Wstring-plus-int]
> >         CU_TEST(strstr(kprobes, KPROBE_1 + 2) != NULL);
> >         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
> >
>
> Hi Ian,
> Thanks for testing and sending this patch. What
> compiler/version/options you are using to get these warnings ?
> The whole patchset looks good to me.

(Re-send with plain-text mode enabled).

Thanks, the compiler is clang 12.

Ian

>
> Acked-by: Tzvetomir Stoyanov <tz.stoyanov@xxxxxxxxx>
>
>
>
> > Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
> > ---
> >  utest/tracefs-utest.c | 6 +++---
> >  1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/utest/tracefs-utest.c b/utest/tracefs-utest.c
> > index edb3a3d..c5efd5f 100644
> > --- a/utest/tracefs-utest.c
> > +++ b/utest/tracefs-utest.c
> > @@ -453,21 +453,21 @@ static void test_instance_file(void)
> >         CU_TEST(ret == strlen(KPROBE_1));
> >         kprobes = tracefs_instance_file_read(NULL, KPROB_EVTS, &size);
> >         CU_TEST(kprobes != NULL);
> > -       CU_TEST(strstr(kprobes, KPROBE_1 + 2) != NULL);
> > +       CU_TEST(strstr(kprobes, &KPROBE_1[2]) != NULL);
> >         free(kprobes);
> >
> >         ret = tracefs_instance_file_append(NULL, KPROB_EVTS, KPROBE_2);
> >         CU_TEST(ret == strlen(KPROBE_2));
> >         kprobes = tracefs_instance_file_read(NULL, KPROB_EVTS, &size);
> >         CU_TEST(kprobes != NULL);
> > -       CU_TEST(strstr(kprobes, KPROBE_2 + 2) != NULL);
> > +       CU_TEST(strstr(kprobes, &KPROBE_2[2]) != NULL);
> >         free(kprobes);
> >
> >         ret = tracefs_instance_file_append(NULL, KPROB_EVTS, KPROBE_1_RM);
> >         CU_TEST(ret == strlen(KPROBE_1_RM));
> >         kprobes = tracefs_instance_file_read(NULL, KPROB_EVTS, &size);
> >         CU_TEST(kprobes != NULL);
> > -       CU_TEST(strstr(kprobes, KPROBE_1 + 2) == NULL);
> > +       CU_TEST(strstr(kprobes, &KPROBE_1[2]) == NULL);
> >         free(kprobes);
> >
> >         ret = tracefs_instance_file_clear(NULL, KPROB_EVTS);
> > --
> > 2.31.1.498.g6c1eba8ee3d-goog
> >
>
>
> --
> Tzvetomir (Ceco) Stoyanov
> VMware Open Source Technology Center



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