Date: Sun, 09 Mar 2003 17:56:05 +0200
From: "Eli Zaretskii" <eliz AT elta DOT co DOT il>
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To: rich AT phekda DOT freeserve DOT co DOT uk
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In-reply-to: <3E6B2DB0.D315AA68@phekda.freeserve.co.uk> (message from Richard
	Dawe on Sun, 09 Mar 2003 12:04:00 +0000)
Subject: Re: New POSIX: pwrite, revision 2 [PATCH]
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> Date: Sun, 09 Mar 2003 12:04:00 +0000
> From: Richard Dawe <rich AT phekda DOT freeserve DOT co DOT uk>
> > 
> > Yes, I agree: we should fail the function for character devices.
> 
> Why should it fail for character devices?
> 
> If I've understood the draft of new POSIX correctly, pwrite is allowed on
> devices that do not support seeks. From the section describing write on the
> write & pwrite page, it says:
> 
> "On a file not capable of seeking, writing shall always take place starting at
> the current position. The value of a file offset associated with such a device
> is undefined."
> 
> It does not say in the pwrite section that pwrite is not allowed on devices
> that do not support seeks.

In that case, I don't think we should fail the function at all.

Sorry for not reading the standard before reviewing your code.