From: Jamie Lokier <jamie@shareable.org>
To: Oleg Drokin <green@linuxhacker.ru>
Cc: linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 1/3] VFS "stat light" out of fstatat, and fine grained flags
Date: Sun, 12 Apr 2009 21:50:48 +0100 [thread overview]
Message-ID: <20090412205048.GI4394@shareable.org> (raw)
In-Reply-To: <20090407231524.GA1569655@fiona.linuxhacker.ru>
Oleg Drokin wrote:
> Also it adds AT_STAT_SELF flag to mean that the stat should be executed not
> on a path, but on the passed filedecriptor itself.
Do you think this is more attractive?
ret = fstatat(fd, 0, &stat, AT_STAT_SELF|AT_STAT_TYPE|AT_STAT_SIZE);
Or this?
ret = fstatat(fd, 0, &stat, AT_STAT_TYPE|AT_STAT_SIZE);
Where 0 in the path automatically means AT_STAT_SELF.
Or this?
ret = fstatat(fd, AT_STAT_SELF, &stat, AT_STAT_TYPE|AT_STAT_SIZE);
Where AT_STAT_SELF is defined as (const char *)-1 in system headers,
to better catch null pointer application bugs.
-- Jamie
next prev parent reply other threads:[~2009-04-12 20:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-07 23:15 [PATCH 1/3] VFS "stat light" out of fstatat, and fine grained flags Oleg Drokin
2009-04-07 23:25 ` Jeff Garzik
2009-04-08 6:56 ` forwarding -fsdevel to -kernel (was Re: [PATCH 1/3] VFS "stat ...) flags Miklos Szeredi
2009-04-08 7:35 ` David Miller
2009-04-12 20:50 ` Jamie Lokier [this message]
2009-04-12 21:46 ` [PATCH 1/3] VFS "stat light" out of fstatat, and fine grained flags Oleg Drokin
2009-04-21 10:20 ` VFS "stat light" fstatat, inconsistent *at() function interfaces Jamie Lokier
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