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From: Xiao Yang <yangx.jy@cn.fujitsu.com>
To: Eryu Guan <guaneryu@gmail.com>
Cc: darrick.wong@oracle.com, fstests@vger.kernel.org
Subject: Re: [PATCH] generic/486: Get rid of the redundant error=%d printing
Date: Wed, 16 May 2018 20:25:54 -0700 (PDT)	[thread overview]
Message-ID: <5AFCF642.2040507@cn.fujitsu.com> (raw)
In-Reply-To: <20180517031645.GE29080@desktop.hz.ali.com>

On 2018/05/17 11:16, Eryu Guan wrote:
> On Thu, May 17, 2018 at 09:36:10AM +0800, Xiao Yang wrote:
>> 1) Without the fix, perror() can indicate the actual error(ENODATA).
>> 2) After calling perror() and redirecting the output of perror()
>>     to a file, errno seems to be set to EINVAL unexpectedly.
>>     See the following mail for detailed info:
>>     https://www.spinics.net/lists/fstests/msg09675.html
>>
>> Signed-off-by: Xiao Yang<yangx.jy@cn.fujitsu.com>
>> ---
>>   src/attr_replace_test.c | 1 -
>>   1 file changed, 1 deletion(-)
>>
>> diff --git a/src/attr_replace_test.c b/src/attr_replace_test.c
>> index 23adc07..33fa74d 100644
>> --- a/src/attr_replace_test.c
>> +++ b/src/attr_replace_test.c
>> @@ -11,7 +11,6 @@
>>   #include<sys/stat.h>
>>
>>   #define die() do { perror(""); \
>> -fprintf(stderr, "error=%d at line %d\n", errno, __LINE__); \
> We can remove the error number in fprintf, but I think the line number
> info is still useful (at least it helped me when I was reviewing the
> test).
Hi Eryu,

OK, we just remove errno in fprintf() as below:

fprintf(stderr, "error at line %d\n", __LINE__);

Thanks,
Xiao Yang

> Thanks,
> Eryu
>
>>   exit(1); } while (0)
>>
>>   #define fail(...) do { \
>> -- 
>> 1.8.3.1
>>
>>
>>
>> --
>> To unsubscribe from this list: send the line "unsubscribe fstests" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
>




  reply	other threads:[~2018-05-17  3:25 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-16  8:00 [PATCH] generic/486: print correct errno Xiao Yang
2018-05-16 15:27 ` Darrick J. Wong
2018-05-17  1:36   ` [PATCH] generic/486: Get rid of the redundant error=%d printing Xiao Yang
2018-05-17  3:16     ` Eryu Guan
2018-05-17  3:25       ` Xiao Yang [this message]
2018-05-17  3:32       ` [PATCH v3] " Xiao Yang
2018-05-17 14:55         ` Darrick J. Wong

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