From: Christoph Hellwig <hch@infradead.org>
To: David Howells <dhowells@redhat.com>
Cc: torvalds@transmeta.com, linux-kernel@vger.kernel.org
Subject: Re: bcopy()
Date: Mon, 7 Oct 2002 15:16:05 +0100 [thread overview]
Message-ID: <20021007151605.A11001@infradead.org> (raw)
In-Reply-To: <12660.1033999032@warthog.cambridge.redhat.com>; from dhowells@redhat.com on Mon, Oct 07, 2002 at 02:57:12PM +0100
On Mon, Oct 07, 2002 at 02:57:12PM +0100, David Howells wrote:
>
> Hi Linus,
>
> The implementation of bcopy() in lib/string.c (and some other places such as
> the XFS header files) is incorrect as it implements bcopy as memcpy. This is
> wrong: bcopy should be the equivalent of memmove (which handles overlapping
> areas correctly).
Kernel bcopy in traditional unix versions never supported overlapping.
That's what ovbcopy() is/was for.
next prev parent reply other threads:[~2002-10-07 14:11 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-07 13:57 bcopy() David Howells
2002-10-07 14:16 ` Christoph Hellwig [this message]
2002-10-07 15:45 ` bcopy() Linus Torvalds
[not found] <5.1.0.14.2.20021007195409.00b54a98@pop.gmx.net>
2002-10-07 18:08 ` bcopy() Linus Torvalds
2002-10-07 18:14 ` bcopy() Matthew Wilcox
2002-10-07 18:17 ` bcopy() Linus Torvalds
2002-10-07 18:17 ` bcopy() Christoph Hellwig
2002-10-07 18:21 ` bcopy() Linus Torvalds
2002-10-07 18:31 ` bcopy() Stan Bubrouski
2002-10-08 19:03 ` bcopy() Kai Henningsen
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