Re: [boost] Some Boost.Filesystem problems

From: Beman Dawes (bdawes_at_[hidden])
Date: 2004-12-13 17:06:00

At 04:42 PM 12/12/2004, Ben Hutchings wrote:

 >On a visual inspection some time back I also noted that there's no
 >special handling for empty root directories on Windows.  The problem
 >with these is that while even an empty directory normally has entries
 >for "." and "..", so that FindFirstFile can return something, root
 >directories on FAT volumes (and I think NTFS as well) do not have these
 >and Windows doesn't fake them, so FindFirstFile on an empty root returns
 >INVALID_HANDLE_VALUE.  Note that this only applies to real root
 >directories, not to the roots of drives that are mapped to
 >sub-directories using subst or file sharing.  I never got round to
 >checking whether the Boost code actually handles this or not, as I only
 >use Windows at work and we don't use Boost.Filesystem there.  Perhaps
 >someone could check that out?

Good catch! I can confirm that it is indeed a problem.

Should have a fix in a day or two. The last error code is set to 
ERROR_FILE_NOT_FOUND in the particular case you are talking about, and 
something else otherwise, so it is possible to distinguish it from other 
conditions.

--Beman