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From: Richard Henderson <rth@twiddle.net>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Riku Voipio <riku.voipio@iki.fi>,
	Claudio Fontana <claudio.fontana@huawei.com>,
	qemu-devel@nongnu.org, patches@linaro.org
Subject: Re: [Qemu-devel] [PATCH] linux-user: Allow getdents to be provided by getdents64
Date: Mon, 03 Jun 2013 08:15:31 -0700	[thread overview]
Message-ID: <51ACB313.60007@twiddle.net> (raw)
In-Reply-To: <1370193044-24535-1-git-send-email-peter.maydell@linaro.org>

On 06/02/2013 10:10 AM, Peter Maydell wrote:
> +                    tde->d_ino = tswapal(ino);
> +                    tde->d_off = tswapal(off);
> +                    tde->d_reclen = tswap16(treclen);
> +                    memmove(tde->d_name, de->d_name, namelen + 1);

Wouldn't it be better to do the memmove first?  Then you really are reading all
of the dirent64 data first, like your comment says.

> +                    /* The target_dirent type is in what was formerly a padding
> +                     * byte at the end of the structure:
> +                     */
> +                    *(((char *)tde) + treclen - 1) = type;

Maybe easier to read as

  ((char *)tde)[treclen - 1] = type

?


r~

  reply	other threads:[~2013-06-03 15:15 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-02 17:10 [Qemu-devel] [PATCH] linux-user: Allow getdents to be provided by getdents64 Peter Maydell
2013-06-03 15:15 ` Richard Henderson [this message]
2013-06-03 15:45   ` Peter Maydell
2013-06-03 15:58     ` Richard Henderson
2013-06-03 16:17       ` Peter Maydell
  -- strict thread matches above, loose matches on Subject: below --
2013-06-03 11:11 Laurent Vivier
2013-06-03 11:28 ` Peter Maydell
2013-06-03 11:50   ` Laurent Vivier

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