Max Path length these days

Jeremy Allison jra at
Wed Aug 24 15:50:24 GMT 2005

On Wed, Aug 24, 2005 at 10:36:27AM -0400, Michael Lueck wrote:
> Alexander Bokovoy wrote:
> >I've seen 255 UTF-8 characters limits in Japanese Windows versions during
> >bug hunting in Samba 3. Not sure that it is hard limit though.
> OK, then this entry in the MSCPP header files might not be too short then...
> #define MAX_PATH 260
> I'll leave MAX_PATH in my code for now. I had seen folks doing crazy things 
> like 1024 and 4096 for the max... nice, but if the OS does not support it 
> then why waste the space for now.

I think that's actually a directory component length. I'm not sure what
that actual limits are in NTFS (might be very large) but we haven't hit
any problems with a max path of 1024.


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