From: Alex Shi <alex.shi@linux.alibaba.com>
To: Chen Zhou <chenzhou10@huawei.com>, harryxiyou@gmail.com, corbet@lwn.net
Cc: mchehab+huawei@kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] docs/zh_CN: update sysfs.txt about show() usage
Date: Wed, 10 Jun 2020 13:24:02 +0800 [thread overview]
Message-ID: <6df52c93-5f95-38b3-a724-46cdb78605ef@linux.alibaba.com> (raw)
In-Reply-To: <20200610025333.84010-1-chenzhou10@huawei.com>
Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com>
Thanks
Alex
在 2020/6/10 上午10:53, Chen Zhou 写道:
> Update the show() usage according to the English version.
>
> Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
> ---
> Documentation/translations/zh_CN/filesystems/sysfs.txt | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/translations/zh_CN/filesystems/sysfs.txt b/Documentation/translations/zh_CN/filesystems/sysfs.txt
> index fcf620049d11..9481e3ed2a06 100644
> --- a/Documentation/translations/zh_CN/filesystems/sysfs.txt
> +++ b/Documentation/translations/zh_CN/filesystems/sysfs.txt
> @@ -213,10 +213,12 @@ Sysfs 将会为每次读写操作调用一次这个方法。这使得这些方
>
> - 缓冲区应总是 PAGE_SIZE 大小。对于i386,这个值为4096。
>
> -- show() 方法应该返回写入缓冲区的字节数,也就是 snprintf()的
> +- show() 方法应该返回写入缓冲区的字节数,也就是 scnprintf()的
> 返回值。
>
> -- show() 应始终使用 snprintf()。
> +- show() 方法在将格式化返回值返回用户空间的时候,禁止使用snprintf()。
> + 如果可以保证不会发生缓冲区溢出,可以使用sprintf(),否则必须使用
> + scnprintf()。
>
> - store() 应返回缓冲区的已用字节数。如果整个缓存都已填满,只需返回
> count 参数。
>
next prev parent reply other threads:[~2020-06-10 5:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-10 2:53 Chen Zhou
2020-06-10 5:24 ` Alex Shi [this message]
2020-06-19 19:30 ` Jonathan Corbet
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