Re: Is there a lua module just like GNU's find?

[Joshua Jensen <josh.jjensen@...>]

----- Original Message -----
From: Dimiter 'malkia' Stanev
Date: 12/16/2011 12:00 PM
> There is a way to read the directory in just 2-3 kernel calls. (A 
> little more if the directory is bigger, and provided buffer is not 
> enough). I can't tell whether it's faster, but it's out there.
>
> fileinfo.c:
> https://gist.github.com/1487388
>
> FYI: It's doing more that it's supposed to do, for example two times 
> calling
>
> if(!GetFileInformationByHandleEx(h, (FILE_INFO_BY_HANDLE_CLASS)i, 
> buffer1, sizeof(buffer1))
> || !GetFileInformationByHandleEx(h, (FILE_INFO_BY_HANDLE_CLASS)i, 
> buffer2, sizeof(buffer2)))
>     continue;
>
> but this was just to explore how the functions were behaving, and 
> whether they were filling the buffer to the end.
>
> Only one call is needed there.
This is very cool.  If it is faster (and it has the logical appearance 
of being so), then applications could detect the Windows platform and 
choose to use it on Vista [1] and above.

I wonder if Git's scanning internals could be sped up with this...?

Thanks!

Josh

[1] 
http://msdn.microsoft.com/en-us/library/windows/desktop/aa364953(v=vs.85).aspx