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From: Florian Weimer <fweimer@redhat.com>
To: Jeff Layton <jlayton@redhat.com>, libc-alpha@sourceware.org
Cc: linux-fsdevel@vger.kernel.org,
	Michael Kerrisk <mtk.manpages@gmail.com>,
	"Carlos O'Donell" <carlos@redhat.com>,
	Yuriy Kolerov <Yuriy.Kolerov@synopsys.com>
Subject: Re: [glibc PATCH] fcntl: put F_OFD_* constants under #ifdef __USE_FILE_OFFSET64
Date: Wed, 17 Aug 2016 19:34:35 +0200	[thread overview]
Message-ID: <024779d0-2800-8e43-b65c-180eca70cc8b@redhat.com> (raw)
In-Reply-To: <1471445251-2450-1-git-send-email-jlayton@redhat.com>

On 08/17/2016 04:47 PM, Jeff Layton wrote:
> The Linux kernel expects a flock64 structure whenever you use OFD locks
> with fcntl64. Unfortunately, you can currently build a 32-bit program
> that passes in a struct flock when it calls fcntl64.
>
> Only define the F_OFD_* constants when __USE_FILE_OFFSET64 is also
> defined, so that the build fails in this situation rather than
> producing a broken binary.

Doesn't this affect legacy POSIX-style locks as well, under very similar 
circumstances?

Thanks,
Florian

  parent reply	other threads:[~2016-08-17 17:35 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-17 14:47 [glibc PATCH] fcntl: put F_OFD_* constants under #ifdef __USE_FILE_OFFSET64 Jeff Layton
2016-08-17 15:44 ` Joseph Myers
2016-08-17 17:49   ` Jeff Layton
2016-08-17 17:56     ` Joseph Myers
2016-08-17 18:23       ` Jeff Layton
2016-08-17 16:13 ` Mike Frysinger
2016-08-17 17:34 ` Florian Weimer [this message]
2016-08-17 17:39   ` Jeff Layton
2016-08-17 18:02     ` Florian Weimer
2016-08-17 18:21       ` Jeff Layton
2016-08-17 18:51         ` Florian Weimer
2016-08-17 19:20           ` Jeff Layton
2016-08-18  8:44             ` Florian Weimer
2016-08-18  8:58               ` Andreas Schwab
2016-08-17 20:52           ` Andreas Schwab
2016-08-18  8:45             ` Florian Weimer
2016-08-17 18:43 ` Mike Frysinger
2016-08-17 19:15   ` Jeff Layton
2016-08-17 19:59     ` Michael Kerrisk (man-pages)
2016-08-17 20:05       ` Jeff Layton
2016-08-17 20:37         ` Mike Frysinger
2016-08-17 20:57           ` Jeff Layton
2016-08-17 21:35             ` Mike Frysinger
2016-08-17 21:48               ` Jeff Layton
2016-08-18  9:00                 ` Florian Weimer
2016-08-23 11:03                   ` Cyril Hrubis
2016-08-23 11:36                     ` Jeff Layton
2016-08-23 11:38                       ` Cyril Hrubis
2016-08-23 21:10                         ` Michael Kerrisk (man-pages)
2016-11-14 13:45                           ` Cyril Hrubis
2016-11-22 18:41                             ` Florian Weimer
2016-08-18  8:57             ` Florian Weimer
2016-08-17 20:03     ` Mike Frysinger
2016-08-17 21:30       ` Cyril Hrubis

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