On Oct 13 21:16, Bram Moolenaar wrote: > Corinna Vinschen wrote: > > > I got a report on the Cygwin mailing list that the following message > > appears when trying to open /etc/hosts in vim: > > > > E303: Unable to open swap file for "/etc/hosts", recovery impossible > > > > What happens is this: > > > > /etc/hosts is by default a symbolic link which points to the hosts file > > in the Windows system directory. The symbolic link is created as a link > > to the DOS path, for instance: > > > > $ ls -l /etc/hosts > > lrwxrwxrwx 1 corinna None 37 Oct 13 18:32 /etc/hosts -> > > c:\WINDOWS\system32\drivers\etc\hosts > > > > By stracing vim I found that vim was trying to create a swap file > > called "/tmp/c:\WINDOWS\system32\drivers\etc\hosts". > > > > Cygwin is mostly treated as Unix target in vim, which is basically > > correct. However, since Cygwin allows POSIX paths as well as DOS paths, > > there are both types of absolute paths. > > > > Below is a patch which works for me, though I'm not sure if it's > > complete enough to catch all cases. There's code for OS2 in os_unix.c > > which I reused, plus a new definition in mch_isFullName for the absolute > > path on Cygwin. > > > > I'd be grateful if the below or a more feasible patch which solves the > > above problem, could be applied to vim. > > I think this fixes only one specific problem. When Vim is compiled for > Unix it does not recognize DOS paths. And that matters in many places > (e.g., search for CASE_INSENSITIVE_FILENAME and BACKSLASH_IN_FILENAME). > Also behavior of a backslash in a file name changes. Making Vim for > Unix handle these things will be an awful lot of work...
True enough. But maybe fixing these problems as they turn up might be a helpful approach? Anyway, what's noticable here is the fact that this is a new problem in vim 7. It wasn't present in vim 6.4 so it is a regression. Corinna -- Corinna Vinschen Cygwin Project Co-Leader Red Hat
