On Mon, 2 Feb 2026 at 14:40, Corinna Vinschen via Cygwin <[email protected]> wrote: > > On Feb 2 13:24, Dan Shelton via Cygwin wrote: > > I'm not sure whether the Cygwin code is correct. I did a peek with a > > kernel debugger, and I see that FILE_RENAME_INFORMATION.RootDirectory > > is always NULL if a file gets renamed to .cyg000000000xxxx. But if I > > try that with NTFS or SMB, the NtSetInformationFile() to set > > FileRenameInformation always fails. > > Your testcase is incorrect, unfortunately. > > > fri->FileNameLength = (wcslen(dstfile)+1)*sizeof(wchar_t); > > For NT file paths, never count the trailing \0 to the length: > > fri->FileNameLength = wcslen(dstfile) * sizeof (WCHAR); > > With that, your testcase works fine for me. > > On which filesystem did you see the problem?
Windows NFSv3 client (the builtin one, not the newer NFSv4.1 one). Dan -- Dan Shelton - Cluster Specialist Win/Lin/Bsd -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple

