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From: Alex Riesen <Alexander.Riesen@synopsys.com>
To: Paul Larson <plars@austin.ibm.com>
Subject: Re: [PATCH] 2.4.19-pre3 - readv/writev should return EINVAL for count=0
Date: Thu, 21 Mar 2002 08:34:08 +0100	[thread overview]
Message-ID: <20020321083408.C1350@riesen-pc.gr05.synopsys.com> (raw)
In-Reply-To: <1016650428.2202.98.camel@plars.austin.ibm.com>

I would disagree. According to the spec "The iovcnt argument is valid
if greater than 0 and less than or equal to {IOV_MAX}, as defined in
<limits.h>" (http://www.opengroup.org/onlinepubs/007904975/).
The behaviour you want to achieve is described as optional, besides
there is programs depending on the old behaviour (of my own at least :).
It's very handy to skip extra zero-parameter check...
-alex

On Wed, Mar 20, 2002 at 12:53:47PM -0600, Paul Larson wrote:
> This is a minor patch against 2.4.19-pre3 for readv/writev to have it
> return EINVAL if count=0 is passed to it.  According to the man page and
> also the specifications for readv/writev, this is the correct behaviour.
> 

  parent reply	other threads:[~2002-03-21  7:35 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-03-20 18:53 Paul Larson
2002-03-20 23:48 ` Alan Cox
2002-03-21  7:34 ` Alex Riesen [this message]
2002-03-21 13:28   ` Paul Larson
2002-03-21 14:12     ` Alex Riesen

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