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Re: reiser4 (was Re: [PATCH] Revised extended attributes interface)

To: Andrew Pimlott <andrew@xxxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: reiser4 (was Re: [PATCH] Revised extended attributes interface)
From: Anton Altaparmakov <aia21@xxxxxxxxx>
Date: Thu, 13 Dec 2001 21:01:54 +0000
Cc: Hans Reiser <reiser@xxxxxxxxxxx>, Nathan Scott <nathans@xxxxxxx>, Andreas Gruenbacher <ag@xxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxx
In-reply-to: <20011213102729.B3812@xxxxxxxxxxxxxxxxxxxxxxx>
References: <3C1873A2.1060702@xxxxxxxxxxx> <20011205143209.C44610@xxxxxxxxxxxxxxxxxxxxxxxx> <20011207202036.J2274@xxxxxxxxxx> <20011208155841.A56289@xxxxxxxxxxxxxxxxxxxxxxxx> <3C127551.90305@xxxxxxxxxxx> <20011211134213.G70201@xxxxxxxxxxxxxxxxxxxxxxxx> <5.1.0.14.2.20011211184721.04adc9d0@xxxxxxxxxxxxxxxxx> <3C1678ED.8090805@xxxxxxxxxxx> <20011212204333.A4017@xxxxxxxxxxxxxxxxxxxxxxx> <3C1873A2.1060702@xxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
At 15:27 13/12/01, Andrew Pimlott wrote:
(Anton, does NTFS define any reserved filename characters, or only
win32?)

It does. RTFS. (-8

From ntfs-driver-tng/linux/fs/ntfs/layout.h:

/*
 * The maximum allowed length for a file name.
 */
#define MAXIMUM_FILE_NAME_LENGTH 255

/*
 * Possible namespaces for filenames in ntfs (8-bit).
 */
typedef enum {
        FILE_NAME_POSIX                 = 0x00,
                /* This is the largest namespace. It is case sensitive and
                   allows all Unicode characters except for: '\0' and '/'.
                   Beware that in WinNT/2k files which eg have the same name
                   except for their case will not be distinguished by the
                   standard utilities and thus a "del filename" will delete
                   both "filename" and "fileName" without warning. */
        FILE_NAME_WIN32                 = 0x01,
/* The standard WinNT/2k NTFS long filenames. Case insensitive.
                   All Unicode chars except: '\0', '"', '*', '/', ':', '<',
                   '>', '?', '\' and '|'. Further, names cannot end with a '.'
                   or a space. */
        FILE_NAME_DOS                   = 0x02,
                /* The standard DOS filenames (8.3 format). Uppercase only.
                   All 8-bit characters greater space, except: '"', '*', '+',
                   ',', '/', ':', ';', '<', '=', '>', '?' and '\'. */
        FILE_NAME_WIN32_AND_DOS         = 0x03,
                /* 3 means that both the Win32 and the DOS filenames are
                   identical and hence have been saved in this single filename
                   record. */
} __attribute__ ((__packed__)) FILE_NAME_TYPE_FLAGS;

The whole of layout.h can be viewed here (link to view of CVS):

http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/linux-ntfs/ntfs-driver-tng/linux/fs/ntfs/layout.h?rev=1.6&content-type=text/vnd.viewcvs-markup

Anton


--
  "I've not lost my mind. It's backed up on tape somewhere." - Unknown
--
Anton Altaparmakov <aia21 at cam.ac.uk> (replace at with @)
Linux NTFS Maintainer / WWW: http://linux-ntfs.sf.net/
ICQ: 8561279 / WWW: http://www-stu.christs.cam.ac.uk/~aia21/


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