linux-kernel - Re: [PATCH 2/4] Drivers: hv: Support the newly introduced KVP messages in the driver

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Message-ID: <Pine.LNX.4.44L0.1203111157590.5402-100000@netrider.rowland.org>
Date:	Sun, 11 Mar 2012 12:01:27 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Dan Carpenter <dan.carpenter@...cle.com>
cc:	"K. Y. Srinivasan" <kys@...rosoft.com>,
	<gregkh@...uxfoundation.org>, <linux-kernel@...r.kernel.org>,
	<devel@...uxdriverproject.org>, <virtualization@...ts.osdl.org>,
	<ohering@...e.com>
Subject: Re: [PATCH 2/4] Drivers: hv: Support the newly introduced KVP messages
 in the driver

On Sun, 11 Mar 2012, Dan Carpenter wrote:

> Btw I don't know if utf16s_to_utf8s() counts the NUL char or not.
> It feels like maybe we could end up with ->value_size equal to
> HV_KVP_EXCHANGE_MAX_VALUE_SIZE + 1.

It does not count NUL characters.  If it encounters a NUL character in
the input, it stops right away without copying that character to the
output.  If it reaches the end of the input, it does not add a
terminating NUL character to the output.

Alan Stern

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