Re: [PATCH 2/2] selftests/nolibc: add sizeof test for the new 64bit data types

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> On 2023-05-30 14:42:56+0800, Zhangjin Wu wrote:
> > These test cases are required to make sure the new added data types are
> > really 64bit based.
> > 
> > Signed-off-by: Zhangjin Wu <falcon@xxxxxxxxxxx>
> > ---
> >  tools/testing/selftests/nolibc/nolibc-test.c | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> > 
> > diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
> > index 20d184da9a2b..43ce4d34b596 100644
> > --- a/tools/testing/selftests/nolibc/nolibc-test.c
> > +++ b/tools/testing/selftests/nolibc/nolibc-test.c
> > @@ -721,6 +721,14 @@ int run_stdlib(int min, int max)
> >  #else
> >  # warning "__SIZEOF_LONG__ is undefined"
> >  #endif /* __SIZEOF_LONG__ */
> > +		CASE_TEST(sizeof_time_t);           EXPECT_EQ(1, 8,                sizeof(time_t)); break;
> > +		CASE_TEST(sizeof_timespec);         EXPECT_EQ(1, 16,               sizeof(struct timespec)); break;
> > +#ifdef NOLIBC
> > +		CASE_TEST(sizeof_itimerspec);       EXPECT_EQ(1, 32,               sizeof(struct itimerspec)); break;
> > +#endif
> > +		CASE_TEST(sizeof_timeval);          EXPECT_EQ(1, 16,               sizeof(struct timeval)); break;
> > +		CASE_TEST(sizeof_itimerval);        EXPECT_EQ(1, 32,               sizeof(struct itimerval)); break;
> > +		CASE_TEST(sizeof_off_t);            EXPECT_EQ(1, 8,                sizeof(off_t)); break;
> 
> These will break on 32bit glibc configurations.
> (At least on x86)

Yes, I added a big #ifdef at first, but narrowed it down after a default
x86_64 gcc+glibc test, 32bit has been ignored from my mind ;-(

Will add the big #ifdef back.

Thanks,
Zhangjin

> 
> >  		case __LINE__:
> >  			return ret; /* must be last */
> >  		/* note: do not set any defaults so as to permit holes above */
> > -- 



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