[Emacs-diffs] /srv/bzr/emacs/trunk r103456: * lisp/dired.el (dired-safe-switches-p): New function. (Bug#3230)

[Glenn Morris]

------------------------------------------------------------
revno: 103456
author: Stefan Monnier <address@hidden>
committer: Glenn Morris <address@hidden>
branch nick: trunk
timestamp: Mon 2011-02-28 19:10:11 -0800
message:
  * lisp/dired.el (dired-safe-switches-p): New function.  (Bug#3230)
modified:
  lisp/ChangeLog
  lisp/dired.el

=== modified file 'lisp/ChangeLog'
--- a/lisp/ChangeLog    2011-03-01 03:05:28 +0000
+++ b/lisp/ChangeLog    2011-03-01 03:10:11 +0000
@@ -1,3 +1,7 @@
+2011-03-01  Stefan Monnier  <address@hidden>
+
+       * dired.el (dired-safe-switches-p): New function.
+
 2011-03-01  Glenn Morris  <address@hidden>
 
        * files.el (dir-locals-collect-variables):

=== modified file 'lisp/dired.el'
--- a/lisp/dired.el     2011-02-26 09:48:22 +0000
+++ b/lisp/dired.el     2011-03-01 03:10:11 +0000
@@ -249,6 +249,9 @@
 directory name and the cdr is the list of files to mention.
 The directory name must be absolute, but need not be fully expanded.")
 
+(defun dired-safe-switches-p (switches)
+  (string-match "\\`[- [:alnum:]]+\\'" switches))
+
 (defvar dired-actual-switches nil
   "The value of `dired-listing-switches' used to make this buffer's text.")