linux-kernel - Re: [PATCH 6/8] Support non-BMP characters in UDF

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Date:	Wed, 16 May 2012 17:14:23 +0200
From:	Vladimir 'φ-coder/phcoder' Serbinenko 
	<phcoder@...il.com>
To:	Jan Kara <jack@...e.cz>
CC:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 6/8] Support non-BMP characters in UDF

On 16.05.2012 16:34, Jan Kara wrote:

> On Wed 16-05-12 01:10:22, Vladimir 'φ-coder/phcoder' Serbinenko wrote:
>> I also have a counterpart for mkudffs/udf-tools but sourceforge homepage
>> seems to be abandoned does anybody know if there is a new homepage for
>> mkudffs?
>   Thanks for the patch!

You're welcome. Thanks for reviewing.

 It looks OK but shouldn't we rather use the helper
> functions you introduced in the NLS code? It look wrong to replicate
> decoding of UTF16 here.
> 

The helper functions are limited to buffers aligned on 16-bit boundary
which is not the case of this buffer. I see following solutions:
0) Homegrown like in previous patch
1) Add a new "endianness" UTF16_LITTLE_ENDIAN_UNALIGNED
2) Split code for "compressed" vs "uncompressed" and copy the string to
a temporary buffer in "uncompressed" branch.
3) Like 2 but make buffer sliding and contain only 2 elements.

I think 1 or 3 would be the most reasonable. Which solution do you prefer?

-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko

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