linux-kernel - Re: Access Control Lists for tmpfs

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Message-ID: <Pine.LNX.4.61.0609060855060.10504@yvahk01.tjqt.qr>
Date:	Wed, 6 Sep 2006 09:02:17 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Andreas Gruenbacher <agruen@...e.de>
cc:	linux-kernel@...r.kernel.org, Andrew Morton <akpm@...l.org>,
	James Morris <jmorris@...ei.org>,
	Kay Sievers <kay.sievers@...y.org>
Subject: Re: Access Control Lists for tmpfs


>+static int
>+shmem_get_acl_access(struct inode *inode, const char *name, void *buffer,
>+		     size_t size)
>+{
>+	if (strcmp(name, "") != 0)
>+		return -EINVAL;

An interesting thing (tested in userspace):

  strcmp(somestring, "")

will only evaluate to *sometring=='\0' if I add -static to CFLAGS.



Jan Engelhardt
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