From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 96065 invoked by alias); 18 Apr 2015 21:25:58 -0000 Mailing-List: contact cygwin-patches-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Archive: List-Help: , Sender: cygwin-patches-owner@cygwin.com Mail-Followup-To: cygwin-patches@cygwin.com Received: (qmail 96048 invoked by uid 89); 18 Apr 2015 21:25:57 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-6.2 required=5.0 tests=AWL,BAYES_00,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-lb0-f170.google.com Received: from mail-lb0-f170.google.com (HELO mail-lb0-f170.google.com) (209.85.217.170) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Sat, 18 Apr 2015 21:25:56 +0000 Received: by lbbqq2 with SMTP id qq2so105699172lbb.3 for ; Sat, 18 Apr 2015 14:25:52 -0700 (PDT) X-Received: by 10.112.148.101 with SMTP id tr5mr9951864lbb.0.1429392352772; Sat, 18 Apr 2015 14:25:52 -0700 (PDT) Received: from [192.168.1.27] (79.160.132.106.static.lyse.net. [79.160.132.106]) by mx.google.com with ESMTPSA id jq15sm3263448lab.27.2015.04.18.14.25.51 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 18 Apr 2015 14:25:52 -0700 (PDT) Message-ID: <5532CBBB.5010103@gmail.com> Date: Sat, 18 Apr 2015 21:25:00 -0000 From: David Macek User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: cygwin-patches@cygwin.com Subject: [PATCH] Fix inconsistencies in docs regarding fstab and executable file detection References: <55326E6D.7010703@gmail.com> In-Reply-To: <55326E6D.7010703@gmail.com> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms020601060304080105060207" X-IsSubscribed: yes X-SW-Source: 2015-q2/txt/msg00029.txt.bz2 This is a cryptographically signed message in MIME format. --------------ms020601060304080105060207 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-length: 2703 The inline list of mount options seemed redundant, so the paragraph now poi= nts to the list below it. List of executable extensions updated according to fhandler_disk_file.cc. L= ist of executable magic numbers updated according to path.h (has_exec_chars). * pathnames.xml: Fix inconsistencies in docs regarding fstab and executable file detection --- winsup/doc/pathnames.xml | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/winsup/doc/pathnames.xml b/winsup/doc/pathnames.xml index 00eb133..cdbf9fa 100644 --- a/winsup/doc/pathnames.xml +++ b/winsup/doc/pathnames.xml @@ -81,9 +81,8 @@ see The fourth field describes the mount options associated with the filesystem. It is formatted as a comma separated list of options. It contains at least the type of mount (binary or text) plus -any additional options appropriate to the filesystem type. Recognized -options are binary, text, nouser, user, exec, notexec, cygexec, nosuid, -posix=3D[0|1]. The meaning of the options is as follows. +any additional options appropriate to the filesystem type. The list of +the options, including their meaning, follows. =20 acl - Cygwin uses the filesystem's access control lists (ACLs) to @@ -136,14 +135,14 @@ executability, this is not possible on filesystems wh= ich don't support permissions at all (like FAT/FAT32), or if ACLs are ignored on filesystems supporting them (see the aforementioned acl mount optio= n). In these cases, the following heuristic is used to evaluate if a file is -executable: Files ending in certain extensions (.exe, .com, .bat, .btm, -.cmd) are assumed to be executable. Files whose first two characters begin -with '#!' are also considered to be executable. +executable: Files ending in certain extensions (.exe, .com, .lnk) are +assumed to be executable. Files whose first two characters are "#!", "MZ", +or ":\n" are also considered to be executable. The exec option is used to instruct Cygwin that the mounted file is "executable". If the exec option is us= ed with a directory then all files in the directory are executable. This option allows other files to be marked as executable and avoids the -overhead of opening each file to check for a '#!'. The +overhead of opening each file to check for "magic" bytes. The cygexec option is very similar to exec, but also prevents Cygwin from setting up commands and environment variables for a normal Windows program, adding another small performance gain. 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