Turn `directory-sep-char' into a noop.

* lisp/subr.el (directory-sep-char): Move from fileio.c and make a defconst.

* src/emacs.c (decode_env_path): Don't check DIRECTORY_SEP,
  call dostounix_filename directly.

* src/fileio.c (CORRECT_DIR_SEPS): Remove.
  (Ffile_name_directory, directory_file_name, Fexpand_file_name)
  (Fsubstitute_in_file_name): Use dostounix_filename instead.
  (file_name_as_directory): Use dostounix_filename, DIRECTORY_SEP.
  (syms_of_fileio) <directory-sep-char>: Move to subr.el.

* src/lisp.h [WINDOWSNT] (Vdirectory_sep_char): Don't declare.
  (DIRECTORY_SEP): Define unconditionally.

* src/w32proc.c (CORRECT_DIR_SEPS): Remove.
  (Fw32_short_file_name, Fw32_long_file_name): Use dostounix_filename.

* src/s/ms-w32.h (DIRECTORY_SEP): Remove.

1 files changed, 0 insertions, 3 deletions

diff --git a/src/s/ms-w32.h b/src/s/ms-w32.h
index 2d6cc2f4bd5..1fcf73d2578 100644
--- a/src/s/ms-w32.h
+++ b/src/s/ms-w32.h
@@ -95,9 +95,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
    your system and must be used only through an encapsulation (which
    you should place, by convention, in sysdep.c).  */
 
-/* Define this to be the separator between path elements.  */
-#define DIRECTORY_SEP XINT (Vdirectory_sep_char)
-
 /* Define this to be the separator between devices and paths.  */
 #define DEVICE_SEP ':'