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Date:      Thu, 09 Jul 2009 00:42:09 +0200 (CEST)
From:      Alexander Best <alexbestms@math.uni-muenster.de>
To:        Bob Bishop <rb@gid.co.uk>, Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?= <des@des.no>
Cc:        freebsd-hackers@freebsd.org, "Paul B. Mahol" <onemda@gmail.com>
Subject:   Re: mmap/munmap with zero length
Message-ID:  <permail-2009070822420980e26a0b00007515-a_best01@message-id.uni-muenster.de>
In-Reply-To: <F8DAE450-4157-4DE7-BE80-13D237A3768C@gid.co.uk>

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so. doesn't that mean that actually freebsd's mmap implementation needs to =
be
changed in order to return an error if one tries to allocate space with len=
=3D0?

alex

Bob Bishop schrieb am 2009-07-06:
> Hi,

> On 6 Jul 2009, at 13:14, Dag-Erling Sm=F8rgrav wrote:

> >Allocating or mapping a zero-length region is not necessarily a bug.

> POSIX says it is, IIRC.

> --
> Bob Bishop
> rb@gid.co.uk






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