diff options
Diffstat (limited to 'lisp/files.el')
| -rw-r--r-- | lisp/files.el | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/lisp/files.el b/lisp/files.el index 16210bfbadb..1b158ca1ac4 100644 --- a/lisp/files.el +++ b/lisp/files.el @@ -209,7 +209,7 @@ have fast storage with limited space, such as a RAM disk." :type '(choice (const nil) directory)) ;; The system null device. (Should reference NULL_DEVICE from C.) -(defvar null-device "/dev/null" "The system null device.") +(defvar null-device (purecopy "/dev/null") "The system null device.") (declare-function msdos-long-file-names "msdos.c") (declare-function w32-long-file-name "w32proc.c") @@ -222,15 +222,17 @@ have fast storage with limited space, such as a RAM disk." (defvar file-name-invalid-regexp (cond ((and (eq system-type 'ms-dos) (not (msdos-long-file-names))) + (purecopy (concat "^\\([^A-Z[-`a-z]\\|..+\\)?:\\|" ; colon except after drive "[+, ;=|<>\"?*]\\|\\[\\|\\]\\|" ; invalid characters "[\000-\037]\\|" ; control characters "\\(/\\.\\.?[^/]\\)\\|" ; leading dots - "\\(/[^/.]+\\.[^/.]*\\.\\)")) ; more than a single dot + "\\(/[^/.]+\\.[^/.]*\\.\\)"))) ; more than a single dot ((memq system-type '(ms-dos windows-nt cygwin)) + (purecopy (concat "^\\([^A-Z[-`a-z]\\|..+\\)?:\\|" ; colon except after drive - "[|<>\"?*\000-\037]")) ; invalid characters - (t "[\000]")) + "[|<>\"?*\000-\037]"))) ; invalid characters + (t (purecopy "[\000]"))) "Regexp recognizing file names which aren't allowed by the filesystem.") (defcustom file-precious-flag nil @@ -766,7 +768,7 @@ PATH-AND-SUFFIXES is a pair of lists, (DIRECTORIES . SUFFIXES)." (make-obsolete 'locate-file-completion 'locate-file-completion-table "23.1") (defvar locate-dominating-stop-dir-regexp - "\\`\\(?:[\\/][\\/][^\\/]+[\\/]\\|/\\(?:net\\|afs\\|\\.\\.\\.\\)/\\)\\'" + (purecopy "\\`\\(?:[\\/][\\/][^\\/]+[\\/]\\|/\\(?:net\\|afs\\|\\.\\.\\.\\)/\\)\\'") "Regexp of directory names which stop the search in `locate-dominating-file'. Any directory whose name matches this regexp will be treated like a kind of root directory by `locate-dominating-file' which will stop its search @@ -2359,7 +2361,7 @@ and `magic-mode-alist', which determines modes based on file contents.") ;; and pike-mode) are added through autoload directives in that ;; file. That way is discouraged since it spreads out the ;; definition of the initial value. - (mapc + (mapcar (lambda (l) (cons (purecopy (car l)) (cdr l))) '(("perl" . perl-mode) @@ -2404,7 +2406,7 @@ of a script, mode MODE is enabled. See also `auto-mode-alist'.") -(defvar inhibit-first-line-modes-regexps '("\\.tar\\'" "\\.tgz\\'") +(defvar inhibit-first-line-modes-regexps (mapcar 'purecopy '("\\.tar\\'" "\\.tgz\\'")) "List of regexps; if one matches a file name, don't look for `-*-'.") (defvar inhibit-first-line-modes-suffixes nil |