X-Spam-Check-By: sourceware.org From: "Dave Korn" To: Subject: RE: Using du.exe to calculate disk usage on a Microsoft cluster server Date: Fri, 7 Jul 2006 17:32:41 +0100 Message-ID: <00f301c6a1e2$f752d700$a501a8c0@CAM.ARTIMI.COM> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 11 In-Reply-To: <44AE85B7.CB21F832@dessent.net> Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com On 07 July 2006 17:03, Brian Dessent wrote: > Dave Korn wrote: > >> filenames. I *still* don't understand how it is possible for your users to >> create files with names that are longer than the maximum filename length >> that windows permits - this is a limitation of the windows OS and filing >> system, not one that cygwin imposes. > > As far as I recall the PATH_MAX of 260 applies to the ANSI versions of > the file APIs, but if you use the Unicode version you can create names > up to 32K UTF-16 characters in length. So it is entirely possible to > create a file with a name that is too long to access via normal programs > that aren't using the Unicode variants of the API functions (which > includes Cygwin.) Ah, then one workaround would be to translate the paths into the \\.\S:\blablabla native form, perhaps? dk@rainbow /artimi/software/firmware> ls -la //./C:/ ls: //./C:/: No such host or network path dk@rainbow /artimi/software/firmware> ls -la //./c:/ ls: //./c:/: No such host or network path dk@rainbow /artimi/software/firmware> ls -la '\\.\c:\' ls: \\.\c:\: No such file or directory dk@rainbow /artimi/software/firmware> ls -la '\\.\c:\.' ls: \\.\c:\.: No such file or directory dk@rainbow /artimi/software/firmware> ls -la \\\\.\\c:\\ ls: \\.\c:\: No such file or directory dk@rainbow /artimi/software/firmware> ls -la \\\\.\\C:\\ ls: \\.\C:\: No such file or directory dk@rainbow /artimi/software/firmware> Hmm, perhaps it wouldn't be. I can't seem to make it work any more. Doh. cheers, DaveK -- Can't think of a witty .sigline today.... -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/