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From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
To: Jan Engelhardt <jengelh@inai.de>
Cc: "Steven J. Magnani" <steve@digidescorp.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fat: Refactor shortname parsing
Date: Sat, 04 Aug 2012 00:06:27 +0900	[thread overview]
Message-ID: <87lihw10cs.fsf@devron.myhome.or.jp> (raw)
In-Reply-To: <alpine.LNX.2.01.1208031650580.3676@frira.zrqbmnf.qr> (Jan Engelhardt's message of "Fri, 3 Aug 2012 16:52:03 +0200 (CEST)")

Jan Engelhardt <jengelh@inai.de> writes:

> On Tuesday 2012-07-03 13:14, Steven J. Magnani wrote:
>
>>Nearly identical shortname parsing is performed in fat_search_long()
>>and __fat_readdir(). Extract this code into a function that may be
>>called by both.
>>
>>v2: Attempt to clarify difference between vfat and msdos parsing.
>>    Remove decision-making from fat_tolower() for clarity.
>>
>>Signed-off-by: Steven J. Magnani <steve@digidescorp.com>
>>---
>>diff -uprN linux-3.5-rc4/fs/fat/dir.c new/fs/fat/dir.c
>>--- linux-3.5-rc4/fs/fat/dir.c	2012-06-29 11:20:12.766348728 -0500
>>+++ new/fs/fat/dir.c	2012-07-03 06:10:36.066283411 -0500
>>@@ -35,6 +35,11 @@
>> #define FAT_MAX_UNI_CHARS	((MSDOS_SLOTS - 1) * 13 + 1)
>> #define FAT_MAX_UNI_SIZE	(FAT_MAX_UNI_CHARS * sizeof(wchar_t))
>> 
>>+static inline unsigned char fat_tolower(unsigned char c)
>>+{
>>+	return ((c >= 'A') && (c <= 'Z')) ? c+32 : c;
>>+}
>>+
>
> The kernel already has a tolower() function, can that not be used?

tolower() is not exactly same, right? e.g. tolower(0xc0). Otherwise,
tolower() is fine.
-- 
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>

  reply	other threads:[~2012-08-03 15:06 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-03 11:14 [PATCH] fat: Refactor shortname parsing Steven J. Magnani
2012-07-03 11:28 ` OGAWA Hirofumi
2012-08-03 14:52 ` Jan Engelhardt
2012-08-03 15:06   ` OGAWA Hirofumi [this message]
2012-08-03 15:58     ` Jan Engelhardt
2012-08-03 16:09       ` Steven J. Magnani
  -- strict thread matches above, loose matches on Subject: below --
2012-06-29 18:12 Steven J. Magnani
2012-06-29 19:08 ` OGAWA Hirofumi
2012-06-29 19:13   ` Steven J. Magnani
2012-06-29 20:03     ` OGAWA Hirofumi
2012-06-29 20:09       ` OGAWA Hirofumi
2012-07-02 13:01         ` Steven J. Magnani
2012-07-02 13:40           ` OGAWA Hirofumi
2012-07-02 14:00             ` Steven J. Magnani
2012-07-02 14:36               ` OGAWA Hirofumi
2012-07-02 14:45                 ` Steven J. Magnani
2012-07-02 15:11                   ` OGAWA Hirofumi
2012-07-02 15:51                     ` Steven J. Magnani
2012-07-02 16:59                       ` OGAWA Hirofumi

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