From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79EADC433E0 for ; Wed, 10 Jun 2020 02:49:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 559782072E for ; Wed, 10 Jun 2020 02:49:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726102AbgFJCtu (ORCPT ); Tue, 9 Jun 2020 22:49:50 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:5873 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725798AbgFJCtu (ORCPT ); Tue, 9 Jun 2020 22:49:50 -0400 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id E102CF37577217DAED07; Wed, 10 Jun 2020 10:49:44 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.487.0; Wed, 10 Jun 2020 10:49:34 +0800 From: Chen Zhou To: , , CC: , , , Subject: [PATCH] docs/zh_CN: update sysfs.txt about show() usage Date: Wed, 10 Jun 2020 10:53:33 +0800 Message-ID: <20200610025333.84010-1-chenzhou10@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Update the show() usage according to the English version. Signed-off-by: Chen Zhou --- 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。 -- 2.20.1