-;; The cmd.exe shell uses the "/c" switch instead of the "-c" switch
-;; for executing its command line argument (from simple.el).
-(setq shell-command-switch "/c")
-
-;; Use ";" instead of ":" as a path separator (from files.el).
-(setq path-separator ";")
-
-;; Set the null device (for compile.el).
-(setq grep-null-device "NUL")
-
-;; Set the grep regexp to match entries with drive letters.
-(setq grep-regexp-alist
- '(("^\\(\\([a-zA-Z]:\\)?[^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]" 1 3)))
-
-;; Taken from dos-fn.el ... don't want all that's in the file, maybe
-;; separate it out someday.
-
-(defvar file-name-buffer-file-type-alist
- '(
- ("[:/].*config.sys$" . nil) ; config.sys text
- ("\\.elc$" . t) ; emacs stuff
- ("\\.\\(obj\\|exe\\|com\\|lib\\|sys\\|chk\\|out\\|bin\\|ico\\|pif\\)$" . t)
- ; MS-Dos stuff
- ("\\.\\(arc\\|zip\\|pak\\|lzh\\|zoo\\)$" . t)
- ; Packers
- ("\\.\\(a\\|o\\|tar\\|z\\|gz\\|taz\\)$" . t)
- ; Unix stuff
- ("\\.tp[ulpw]$" . t)
- ; Borland Pascal stuff
- ("[:/]tags$" . t)
- ; Emacs TAGS file
- )
- "*Alist for distinguishing text files from binary files.
-Each element has the form (REGEXP . TYPE), where REGEXP is matched
-against the file name, and TYPE is nil for text, t for binary.")
-
-(defun find-buffer-file-type (filename)
- (let ((alist file-name-buffer-file-type-alist)
- (found nil)
- (code nil))
- (let ((case-fold-search t))
- (setq filename (file-name-sans-versions filename))
- (while (and (not found) alist)
- (if (string-match (car (car alist)) filename)
- (setq code (cdr (car alist))
- found t))
- (setq alist (cdr alist))))
- (if found
- (cond((memq code '(nil t)) code)
- ((and (symbolp code) (fboundp code))
- (funcall code filename)))
- default-buffer-file-type)))
-
-(defun find-file-binary (filename)
- "Visit file FILENAME and treat it as binary."
- (interactive "FFind file binary: ")
- (let ((file-name-buffer-file-type-alist '(("" . t))))
- (find-file filename)))
-
-(defun find-file-text (filename)
- "Visit file FILENAME and treat it as a text file."
- (interactive "FFind file text: ")
- (let ((file-name-buffer-file-type-alist '(("" . nil))))
- (find-file filename)))
-
-(defun find-file-not-found-set-buffer-file-type ()
- (save-excursion
- (set-buffer (current-buffer))
- (setq buffer-file-type (find-buffer-file-type (buffer-file-name))))
- nil)
-
-;;; To set the default file type on new files.
-(add-hook 'find-file-not-found-hooks 'find-file-not-found-set-buffer-file-type)
-
-;;; For using attached Unix filesystems.
-(defun save-to-unix-hook ()
- (save-excursion
- (setq buffer-file-type t))
- nil)
-
-(defun revert-from-unix-hook ()
- (save-excursion
- (setq buffer-file-type (find-buffer-file-type (buffer-file-name))))
- nil)
-
-;; Really should provide this capability at the drive letter granularity.
-(defun using-unix-filesystems (flag)
- (if flag
- (progn
- (add-hook 'write-file-hooks 'save-to-unix-hook)
- (add-hook 'after-save-hook 'revert-from-unix-hook))
- (progn
- (remove-hook 'write-file-hooks 'save-to-unix-hook)
- (remove-hook 'after-save-hook 'revert-from-unix-hook))))
+;; Map all versions of a filename (8.3, longname, mixed case) to the
+;; same buffer.
+(setq find-file-visit-truename t)
+
+(defun w32-version ()
+ "Return the MS-Windows version numbers.
+The value is a list of three integers: the major and minor version
+numbers, and the build number."
+ (x-server-version))
+
+(defun w32-using-nt ()
+ "Return non-nil if running on a 32-bit Windows system.
+That includes all Windows systems except for 9X/Me."
+ (and (eq system-type 'windows-nt) (getenv "SystemRoot")))
+
+(defun w32-shell-name ()
+ "Return the name of the shell being used."
+ (or (and (boundp 'explicit-shell-file-name) explicit-shell-file-name)
+ (getenv "ESHELL")
+ (getenv "SHELL")
+ (and (w32-using-nt) "cmd.exe")
+ "command.com"))
+
+(defun w32-system-shell-p (shell-name)
+ (and shell-name
+ (member (downcase (file-name-nondirectory shell-name))
+ w32-system-shells)))
+
+(defun w32-shell-dos-semantics ()
+ "Return non-nil if the interactive shell being used expects MSDOS shell semantics."
+ (or (w32-system-shell-p (w32-shell-name))
+ (and (member (downcase (file-name-nondirectory (w32-shell-name)))
+ '("cmdproxy" "cmdproxy.exe"))
+ (w32-system-shell-p (getenv "COMSPEC")))))
+
+(defun w32-check-shell-configuration ()
+ "Check the configuration of shell variables on Windows NT/9X.
+This function is invoked after loading the init files and processing
+the command line arguments. It issues a warning if the user or site
+has configured the shell with inappropriate settings."
+ (interactive)
+ (let ((prev-buffer (current-buffer))
+ (buffer (get-buffer-create "*Shell Configuration*"))
+ (system-shell))
+ (set-buffer buffer)
+ (erase-buffer)
+ (if (w32-system-shell-p (getenv "ESHELL"))
+ (insert (format "Warning! The ESHELL environment variable uses %s.
+You probably want to change it so that it uses cmdproxy.exe instead.\n\n"
+ (getenv "ESHELL"))))
+ (if (w32-system-shell-p (getenv "SHELL"))
+ (insert (format "Warning! The SHELL environment variable uses %s.
+You probably want to change it so that it uses cmdproxy.exe instead.\n\n"
+ (getenv "SHELL"))))
+ (if (w32-system-shell-p shell-file-name)
+ (insert (format "Warning! shell-file-name uses %s.
+You probably want to change it so that it uses cmdproxy.exe instead.\n\n"
+ shell-file-name)))
+ (if (and (boundp 'explicit-shell-file-name)
+ (w32-system-shell-p explicit-shell-file-name))
+ (insert (format "Warning! explicit-shell-file-name uses %s.
+You probably want to change it so that it uses cmdproxy.exe instead.\n\n"
+ explicit-shell-file-name)))
+ (setq system-shell (> (buffer-size) 0))
+
+ ;; Allow user to specify that they really do want to use one of the
+ ;; "system" shells, despite the drawbacks, but still warn if
+ ;; shell-command-switch doesn't match.
+ (if w32-allow-system-shell
+ (erase-buffer))
+
+ (cond (system-shell
+ ;; System shells.
+ (if (string-equal "-c" shell-command-switch)
+ (insert "Warning! shell-command-switch is \"-c\".
+You should set this to \"/c\" when using a system shell.\n\n"))
+ (if w32-quote-process-args
+ (insert "Warning! w32-quote-process-args is t.
+You should set this to nil when using a system shell.\n\n")))
+ ;; Non-system shells.
+ (t
+ (if (string-equal "/c" shell-command-switch)
+ (insert "Warning! shell-command-switch is \"/c\".
+You should set this to \"-c\" when using a non-system shell.\n\n"))
+ (if (not w32-quote-process-args)
+ (insert "Warning! w32-quote-process-args is nil.
+You should set this to t when using a non-system shell.\n\n"))))
+ (if (> (buffer-size) 0)
+ (display-buffer buffer)
+ (kill-buffer buffer))
+ (set-buffer prev-buffer)))
+
+(add-hook 'after-init-hook 'w32-check-shell-configuration)
+
+;;; Override setting chosen at startup.
+(defun set-default-process-coding-system ()
+ ;; Most programs on Windows will accept Unix line endings on input
+ ;; (and some programs ported from Unix require it) but most will
+ ;; produce DOS line endings on output.
+ (setq default-process-coding-system
+ (if default-enable-multibyte-characters
+ '(undecided-dos . undecided-unix)
+ '(raw-text-dos . raw-text-unix)))
+ (or (w32-using-nt)
+ ;; On Windows 9x, make cmdproxy default to using DOS line endings
+ ;; for input, because command.com requires this.
+ (setq process-coding-system-alist
+ `(("[cC][mM][dD][pP][rR][oO][xX][yY]"
+ . ,(if default-enable-multibyte-characters
+ '(undecided-dos . undecided-dos)
+ '(raw-text-dos . raw-text-dos)))))))
+
+(add-hook 'before-init-hook 'set-default-process-coding-system)
+
+
+;;; Basic support functions for managing Emacs' locale setting
+
+(defvar w32-valid-locales nil
+ "List of locale ids known to be supported.")
+
+;;; This is the brute-force version; an efficient version is now
+;;; built-in though.
+(if (not (fboundp 'w32-get-valid-locale-ids))
+ (defun w32-get-valid-locale-ids ()
+ "Return list of all valid Windows locale ids."
+ (let ((i 65535)
+ locales)
+ (while (> i 0)
+ (if (w32-get-locale-info i)
+ (setq locales (cons i locales)))
+ (setq i (1- i)))
+ locales)))
+
+(defun w32-list-locales ()
+ "List the name and id of all locales supported by Windows."
+ (interactive)
+ (if (null w32-valid-locales)
+ (setq w32-valid-locales (w32-get-valid-locale-ids)))
+ (switch-to-buffer-other-window (get-buffer-create "*Supported Locales*"))
+ (erase-buffer)
+ (insert "LCID\tAbbrev\tFull name\n\n")
+ (insert (mapconcat
+ '(lambda (x)
+ (format "%d\t%s\t%s"
+ x
+ (w32-get-locale-info x)
+ (w32-get-locale-info x t)))
+ w32-valid-locales "\n"))
+ (insert "\n")
+ (goto-char (point-min)))
+
+
+;;; Setup Info-default-directory-list to include the info directory
+;;; near where Emacs executable was installed. We used to set INFOPATH,
+;;; but when this is set Info-default-directory-list is ignored. We
+;;; also cannot rely upon what is set in paths.el because they assume
+;;; that configuration during build time is correct for runtime.
+(defun w32-init-info ()
+ (let* ((instdir (file-name-directory invocation-directory))
+ (dir1 (expand-file-name "../info/" instdir))
+ (dir2 (expand-file-name "../../../info/" instdir)))
+ (if (file-exists-p dir1)
+ (setq Info-default-directory-list
+ (append Info-default-directory-list (list dir1)))
+ (if (file-exists-p dir2)
+ (setq Info-default-directory-list
+ (append Info-default-directory-list (list dir2)))))))
+
+(add-hook 'before-init-hook 'w32-init-info)
+
+;;; The variable source-directory is used to initialize Info-directory-list.
+;;; However, the common case is that Emacs is being used from a binary
+;;; distribution, and the value of source-directory is meaningless in that
+;;; case. Even worse, source-directory can refer to a directory on a drive
+;;; on the build machine that happens to be a removable drive on the user's
+;;; machine. When this happens, Emacs tries to access the removable drive
+;;; and produces the abort/retry/ignore dialog. Since we do not use
+;;; source-directory, set it to something that is a reasonable approximation
+;;; on the user's machine.
+
+;(add-hook 'before-init-hook
+; '(lambda ()
+; (setq source-directory (file-name-as-directory
+; (expand-file-name ".." exec-directory)))))
+
+(defun convert-standard-filename (filename)
+ "Convert a standard file's name to something suitable for the current OS.
+This means to guarantee valid names and perhaps to canonicalize
+certain patterns.
+
+On Windows and DOS, replace invalid characters. On DOS, make
+sure to obey the 8.3 limitations. On Windows, turn Cygwin names
+into native names, and also turn slashes into backslashes if the
+shell requires it (see `w32-shell-dos-semantics')."
+ (let ((name
+ (save-match-data
+ (if (string-match "\\`/cygdrive/\\([a-zA-Z]\\)/" filename)
+ (replace-match "\\1:/" t nil filename)
+ (copy-sequence filename))))
+ (start 0))
+ ;; leave ':' if part of drive specifier
+ (if (and (> (length name) 1)
+ (eq (aref name 1) ?:))
+ (setq start 2))
+ ;; destructively replace invalid filename characters with !
+ (while (string-match "[?*:<>|\"\000-\037]" name start)
+ (aset name (match-beginning 0) ?!)
+ (setq start (match-end 0)))
+ ;; convert directory separators to Windows format
+ ;; (but only if the shell in use requires it)
+ (when (w32-shell-dos-semantics)
+ (setq start 0)
+ (while (string-match "/" name start)
+ (aset name (match-beginning 0) ?\\)
+ (setq start (match-end 0))))
+ name))