On 11/05/2017 03:56 AM, Lei Yang wrote:
> Replace '%d' by '%zu' to fix the following compilation warning.
>
> memfd_test.c:517:3: warning: format ‘%d’ expects argument of
> type ‘int’,but argument 2 has type ‘size_t’ [-Wformat=]
> printf("malloc(%d) failed: %m\n", mfd_def_size * 8);
> ^
> memfd_test.c: In function ‘mfd_fail_grow_write’:
> memfd_test.c:537:3: warning: format ‘%d’ expects argument
> of type ‘int’,but argument 2 has type ‘size_t’ [-Wformat=]
> printf("malloc(%d) failed: %m\n", mfd_def_size * 8);
>
> Signed-off-by: Lei Yang <Lei.Yang@xxxxxxxxxxxxx>
> ---
> tools/testing/selftests/memfd/memfd_test.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/testing/selftests/memfd/memfd_test.c b/tools/testing/selftests/memfd/memfd_test.c
> index f94c6d1..95df9e6 100644
> --- a/tools/testing/selftests/memfd/memfd_test.c
> +++ b/tools/testing/selftests/memfd/memfd_test.c
> @@ -514,7 +514,7 @@ static void mfd_assert_grow_write(int fd)
>
> buf = malloc(mfd_def_size * 8);
> if (!buf) {
> - printf("malloc(%d) failed: %m\n", mfd_def_size * 8);
> + printf("malloc(%zu) failed: %m\n", mfd_def_size * 8);
> abort();
> }
>
> @@ -534,7 +534,7 @@ static void mfd_fail_grow_write(int fd)
>
> buf = malloc(mfd_def_size * 8);
> if (!buf) {
> - printf("malloc(%d) failed: %m\n", mfd_def_size * 8);
> + printf("malloc(%zu) failed: %m\n", mfd_def_size * 8);
> abort();
> }
>
>
Relates to gcc version perhaps. What's your gcc version?
thanks,
-- Shuah
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