Long paths, hitting MAX_PATH limit of 260 chars
bm_witness at yahoo.com
Wed May 13 19:05:56 CEST 2009
Speaking from a Windows Programming (not Qt or KDE programming) POV...
It depends on what you want to do. Any API that can only work with a C-string (char*) will hit the 260 character limit.
Any API that you can also (or only) use a Unicode string will be able to get around that limit by using Unicode version of the string with \\?\ prefixed.
It still has a limit - of 32k instead of 260 characters - but should be (at least for the time being) hard to reach. That limit is built into the NT kernel.
Just 2 cents...
----- Original Message ----
From: Bernhard Reiter <bernhard at intevation.de>
To: kde-windows at kde.org
Sent: Wednesday, May 13, 2009 11:47:56 AM
Subject: Long paths, hitting MAX_PATH limit of 260 chars
Windows seems to have a limit of 260 chars in a paths
and with Kontact's imap cache we are hitting the limit if there are too many
subfolder. I am wondering if these limits are hit by other components
as well and if using the extended-paths of windows, starting
with "\\?\" would be a solution to the problem.
Technical details and hints about the problem we've hit:
https://www.intevation.de/roundup/kolab/issue3582 (Errors with too
long/reserved/case-sensitive file names)
Managing Director - Owner: www.intevation.net (Free Software Company)
Germany Coordinator: fsfeurope.org. Coordinator: www.Kolab-Konsortium.com.
Intevation GmbH, Neuer Graben 17, Osnabrück, DE; AG Osnabrück, HRB 18998
Geschäftsführer Frank Koormann, Bernhard Reiter, Dr. Jan-Oliver Wagner
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