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From: "xuyang2018.jy@fujitsu.com" <xuyang2018.jy@fujitsu.com>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: Theodore Ts'o <tytso@mit.edu>,
	"fweimer@redhat.com" <fweimer@redhat.com>,
	"fstests@vger.kernel.org" <fstests@vger.kernel.org>,
	"libc-alpha@sourceware.org" <libc-alpha@sourceware.org>
Subject: Re: [PATCH] src/ext4_resize.c: set errno to 0 before the strtoull call
Date: Wed, 19 Jan 2022 02:07:30 +0000	[thread overview]
Message-ID: <61E772A4.3030608@fujitsu.com> (raw)
In-Reply-To: <87fspl6s44.fsf@igel.home>

on 2022/1/18 22:22, Andreas Schwab wrote:
> On Jan 18 2022, xuyang2018.jy@fujitsu.com wrote:
> 
>> Now, I use glibc-2.34 and run the following program[1] but the errno is
>> not 0 in the beginning. So is this a known bug on glibc-2.34(Theodore
>> doesn't meet this problem on glicb-2.31)?
>>
>> [1]https://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git/tree/src/ext4_resize.c
> 
> Note that there is a call to open preceding the strtoull call, so no
> guarantees can be made about the value of errno before the latter.
I just tried, the errno is 1 before open syscall.

Best Regards
Yang Xu
> 

  parent reply	other threads:[~2022-01-19  2:07 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-17  7:36 [PATCH] src/ext4_resize.c: set errno to 0 before the strtoull call Yang Xu
2022-01-17 17:07 ` Darrick J. Wong
2022-01-18  2:32 ` Theodore Ts'o
2022-01-18  2:43   ` xuyang2018.jy
2022-01-18  3:56     ` Theodore Ts'o
2022-01-18  5:27       ` xuyang2018.jy
2022-01-18 11:23         ` Adhemerval Zanella
2022-01-18 11:26           ` Florian Weimer
2022-01-18 11:49             ` Adhemerval Zanella
2022-01-18 12:00               ` Florian Weimer
2022-01-18 12:04               ` Andreas Schwab
2022-01-18 12:26                 ` Adhemerval Zanella
2022-01-18 14:02         ` Florian Weimer
     [not found]           ` <61E7AC82.8080801@fujitsu.com>
2022-01-19  7:19             ` xuyang2018.jy
2022-01-19 13:57               ` Cristian Rodríguez
2022-01-19 14:07                 ` Cristian Rodríguez
2022-01-19 14:50                   ` Andrew G. Morgan
2022-01-19 20:13                     ` Theodore Ts'o
2022-01-18 14:22         ` Andreas Schwab
2022-01-18 14:29           ` H.J. Lu
2022-01-19  2:07           ` xuyang2018.jy [this message]
2022-01-19  8:23             ` Andreas Schwab

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