* fhandler.h (FH_ENC): New enum.

(fhandler_base::get_encoded): New function.
(fhandler_base::set_encoded): Ditto.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): Set encoded flag in
fhandler, as appropriate.
(fhandler_disk_file::readdir): Unmunge filename as appropriate based on new
encoding flag.
* path.cc (normalize_posix_path): Don't punt on files with colons.
(special_char): New function.
(mount_item::fnmunge): Ditto.
(fnunmunge): Ditto.
(special_name): Ditto.
(mount_item::build_win32): Avoid drive considerations when file is encoded.
(mount_info::conv_to_win32_path): Handle encoded filenames.
(mount_info::conv_to_posix_path): Ditto.
(fillout_mntent): Add posix string when directory is encoded.
* path.h (fnunmunge): Declare.
(path_conv::is_encoded): Declare.

winsup/cygwin/fhandler.h

@@ -23,8 +23,7 @@ enum
   FH_WBINSET	= 0x00010000,	/* binary write mode has been explicitly set */
   FH_APPEND	= 0x00020000,	/* always append */
   FH_ASYNC	= 0x00040000,	/* async I/O */
-  FH_SIGCLOSE	= 0x00080000,	/* signal handler should close fd on interrupt */
-
+  FH_ENC	= 0x00080000,	/* native path is encoded */
   FH_SYMLINK	= 0x00100000,	/* is a symlink */
   FH_EXECABL	= 0x00200000,	/* file looked like it would run:
 				 * ends in .exe or .bat or begins with #! */
@@ -242,6 +241,9 @@ class fhandler_base
   bool get_need_fork_fixup () { return FHISSETF (FFIXUP); }
   void set_need_fork_fixup () { FHSETF (FFIXUP); }
 
+  bool get_encoded () { return FHISSETF (ENC);}
+  void set_encoded () { FHSETF (ENC);}
+
   virtual void set_close_on_exec (int val);
 
   virtual void fixup_before_fork_exec (DWORD) {}