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Date:	Sat, 26 Dec 2015 22:57:21 +0100
From:	Denis Corbin <dar DOT linux AT free DOT fr>
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To:	cygwin AT cygwin DOT com
Subject:	Re: stat() lstat() not able to read long filename with cyrillic chars?
References:	<20151223194440 DOT 5B2A98CFEA AT edrusb DOT is-a-geek DOT org> <20151224192448 DOT GB4275 AT calimero DOT vinschen DOT de> <773876572 DOT 20151225030451 AT yandex DOT ru>
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On 25/12/2015 01:04, Andrey Repin wrote:
> Greetings, Corinna Vinschen!
> 
>>> First, I have read the FAQ and this mailing archive :)
>>> 
[..]
> 
>> NAME_MAX is 255.  On Windows this is the number of UTF-16 chars 
>> unfortunately.  On POSIX systems (as on Cygwin) this is the 
>> number of bytes.  Long UTF-16 strings in cyrillic take twice as 
>> much UTF-8 chars as it has UTF-16 chars, so NAME_MAX in utf-8 
>> cyrillics translates into a maximum of 127 UTF-16 chars.

Ok, I understand. Thanks for your explanation.

> 
> Aren't POSIX restrictions are a bit different? Namely 128 bytes
> per path element and 4096 bytes for file name?

Seen the sample file name it seems truncated rather near 256 bytes (~
128 UTF-16 chars) than 4096 bytes...

> 
>> If you need access to UTF-16 filenames with more characters, you 
>> can switch to a one-byte charset temporarily, e.g.
> 
>> $ LC_ALL=ru_RU your_app
> 
>> to switch to iso-8859-5 or
> 
>> $ LC_ALL=ru_RU.CP1251
> 
>> to switch to Windows codepage 1251.  See 
>> https://cygwin.com/cygwin-ug-net/setup-locale.html
> 
> 
>> HTH, Corinna
> 
> 
> 

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