Re: stat() lstat() not able to read long filename with cyrillic chars?

[Corinna Vinschen <corinna-cygwin@cygwin.com>]

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On Dec 26 22:57, Denis Corbin wrote:
> 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...

NAME_MAX/_POSIX_NAME_MAX are 255, PATH_MAX/_POSIX_PATH_MAX are 4096.
NAME_MAX defines the maximum length of a path component, PATH_MAX the
maximum length of an entire path.  In bytes.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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