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From: Cyril Hrubis <chrubis@suse.cz>
To: Yang Xu <xuyang2018.jy@fujitsu.com>
Cc: ltp@lists.linux.it
Subject: Re: [LTP] [PATCH 1/2] syscalls/statx01: Fix compiler warning because of PRIu64
Date: Fri, 19 Nov 2021 11:52:14 +0100	[thread overview]
Message-ID: <YZeB3uZAXqz0Phkk@yuki> (raw)
In-Reply-To: <1637310522-19620-1-git-send-email-xuyang2018.jy@fujitsu.com>

Hi!
> warning: format ???%lu??? expects argument of type ???long unsigned int???,
> but argument 5 has type ???__u64??? {aka ???long long unsigned int???}

This is strange, the stx_size is either defined as uint64_t in our
fallback code or as __u64 in the system headers. It should really match
the PRIu64.

I see the warnings on my system as well, it looks like
/usr/include/asm-generic/int-ll64.h is used even on 64bit system e.g.
x86_64 that does not make any sense.

> Signed-off-by: Yang Xu <xuyang2018.jy@fujitsu.com>
> ---
>  testcases/kernel/syscalls/statx/statx01.c | 8 ++++----
>  testcases/kernel/syscalls/statx/statx02.c | 4 ++--
>  2 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/testcases/kernel/syscalls/statx/statx01.c b/testcases/kernel/syscalls/statx/statx01.c
> index 2358dd7bc..1289366b9 100644
> --- a/testcases/kernel/syscalls/statx/statx01.c
> +++ b/testcases/kernel/syscalls/statx/statx01.c
> @@ -79,11 +79,11 @@ static void test_normal_file(void)
>  
>  	if (buff.stx_size == SIZE)
>  		tst_res(TPASS,
> -			"stx_size(%"PRIu64") is correct", buff.stx_size);
> +			"stx_size(%"PRIu64") is correct", (uint64_t)buff.stx_size);
>  	else
>  		tst_res(TFAIL,
>  			"stx_size(%"PRIu64") is different from expected(%u)",
> -			buff.stx_size, SIZE);
> +			(uint64_t)buff.stx_size, SIZE);
>  
>  	if ((buff.stx_mode & ~(S_IFMT)) == MODE)
>  		tst_res(TPASS, "stx_mode(%u) is correct", buff.stx_mode);
> @@ -94,10 +94,10 @@ static void test_normal_file(void)
>  
>  	if (buff.stx_blocks <= buff.stx_blksize/512 * 2)
>  		tst_res(TPASS, "stx_blocks(%"PRIu64") is valid",
> -			buff.stx_blocks);
> +			(uint64_t)buff.stx_blocks);
>  	else
>  		tst_res(TFAIL, "stx_blocks(%"PRIu64") is invalid",
> -			buff.stx_blocks);
> +			(uint64_t)buff.stx_blocks);
>  
>  }
>  
> diff --git a/testcases/kernel/syscalls/statx/statx02.c b/testcases/kernel/syscalls/statx/statx02.c
> index 08ea940cb..63133a3b7 100644
> --- a/testcases/kernel/syscalls/statx/statx02.c
> +++ b/testcases/kernel/syscalls/statx/statx02.c
> @@ -50,11 +50,11 @@ static void test_empty_path(void)
>  
>  	if (buf.stx_size == SIZE)
>  		tst_res(TPASS,
> -			"stx_size(%"PRIu64") is correct", buf.stx_size);
> +			"stx_size(%"PRIu64") is correct", (uint64_t)buf.stx_size);
>  	else
>  		tst_res(TFAIL,
>  			"stx_size(%"PRIu64") is not same as expected(%u)",
> -			buf.stx_size, SIZE);
> +			(uint64_t)buf.stx_size, SIZE);
>  
>  }
>  
> -- 
> 2.23.0
> 
> 
> -- 
> Mailing list info: https://lists.linux.it/listinfo/ltp

-- 
Cyril Hrubis
chrubis@suse.cz

-- 
Mailing list info: https://lists.linux.it/listinfo/ltp

  parent reply	other threads:[~2021-11-19 10:51 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-19  8:28 [LTP] [PATCH 1/2] syscalls/statx01: Fix compiler warning because of PRIu64 Yang Xu
2021-11-19  8:28 ` [LTP] [PATCH 2/2] syscalls/stat*: Add nlink member check Yang Xu
2021-11-19 13:07   ` Cyril Hrubis
2021-11-24  2:37     ` xuyang2018.jy
2021-11-19 10:52 ` Cyril Hrubis [this message]
2021-11-29 12:26 ` [LTP] [PATCH 1/2] syscalls/statx01: Fix compiler warning because of PRIu64 Cyril Hrubis
2021-11-30  3:06   ` xuyang2018.jy

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