Hi Zhangjin! On 2023-08-01 13:48:19+0800, Zhangjin Wu wrote: > > These warnings will be enabled later so avoid triggering them. > > > > Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx> > > --- > > tools/testing/selftests/nolibc/nolibc-test.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c > > index cb17cccd0bc7..82714051c72f 100644 > > --- a/tools/testing/selftests/nolibc/nolibc-test.c > > +++ b/tools/testing/selftests/nolibc/nolibc-test.c > > @@ -749,7 +749,7 @@ static int test_mmap_munmap(void) > > }; > > > > page_size = getpagesize(); > > - if (page_size < 0) > > + if (page_size == 0) > > return -1; > > > > It was my mistake before, but do we need to align with the one used in > test_getpagesize(): > > static int test_getpagesize(void) > { > long x = getpagesize(); > int c; > > if (x < 0) > return x; > > Use 'long' instead of 'size_t' to declare page_size? Good point. Given that getpagesize() is documented as returning "int" I guess we should actually change the implementation in nolibc. > Thanks, > Zhangjin > > > /* find a right file to mmap, existed and accessible */ > > @@ -998,7 +998,7 @@ static int run_stdlib(int min, int max) > > #define EXPECT_VFPRINTF(c, expected, fmt, ...) \ > > ret += expect_vfprintf(llen, c, expected, fmt, ##__VA_ARGS__) > > > > -static int expect_vfprintf(int llen, size_t c, const char *expected, const char *fmt, ...) > > +static int expect_vfprintf(int llen, int c, const char *expected, const char *fmt, ...) > > { > > int ret, fd, w, r; > > char buf[100]; > > > > -- > > 2.41.0