Simplify ‘delete-trailing-whitespace’ by not treating \n as whitespace

[gnu-emacs] / lisp / pcmpl-linux.el

diff --git a/lisp/pcmpl-linux.el b/lisp/pcmpl-linux.el
index 02f840bee307acda6170a057e52a878196b43015..3cb38b95c78e44b4777b76ce15c6dc2729cfb000 100644 (file)
--- a/lisp/pcmpl-linux.el
+++ b/lisp/pcmpl-linux.el
@@ -1,14 +1,15 @@
 ;;; pcmpl-linux.el --- functions for dealing with GNU/Linux completions
 
-;; Copyright (C) 1999, 2000, 2002, 2003, 2004,
-;;   2005 Free Software Foundation, Inc.
+;; Copyright (C) 1999-2016 Free Software Foundation, Inc.
+
+;; Package: pcomplete
 
 ;; This file is part of GNU Emacs.
 
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs is free software: you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
 
 ;; GNU Emacs is distributed in the hope that it will be useful,
 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -16,9 +17,7 @@
 ;; GNU General Public License for more details.
 
 ;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING.  If not, write to the
-;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
 
 ;;; Commentary:
 
@@ -32,9 +31,10 @@
 
 (require 'pcomplete)
 
-(defgroup pcmpl-linux nil
-  "Functions for dealing with GNU/Linux completions."
-  :group 'pcomplete)
+;; Unused.
+;;; (defgroup pcmpl-linux nil
+;;;   "Functions for dealing with GNU/Linux completions."
+;;;   :group 'pcomplete)
 
 ;; Functions:
 
@@ -49,9 +49,7 @@
        (pcomplete-match-string 1 0)))
   (while (pcomplete-here
          (if (file-directory-p "/proc")
-             (let ((default-directory "/proc/"))
-               (mapcar 'directory-file-name
-                       (pcomplete-entries "[0-9]+/$"))))
+              (directory-files "/proc" nil "\\`[0-9]+\\'"))
          nil 'identity)))
 
 ;;;###autoload
@@ -70,13 +68,8 @@
 (defun pcmpl-linux-fs-types ()
   "Return a list of available fs modules on GNU/Linux systems."
   (let ((kernel-ver (pcomplete-process-result "uname" "-r")))
-    (mapcar
-     (function
-      (lambda (fsobj)
-       (substring fsobj 0 (- (length fsobj) 2))))
-     (let ((default-directory
-            (concat "/lib/modules/" kernel-ver "/fs/")))
-       (pcomplete-entries "\\.o$")))))
+    (directory-files
+     (concat "/lib/modules/" kernel-ver "/kernel/fs/"))))
 
 (defun pcmpl-linux-mounted-directories ()
   "Return a list of mounted directory names."
@@ -91,6 +84,19 @@
          (forward-line)))
       (pcomplete-uniqify-list points))))
 
+(defun pcomplete-pare-list (l r)
+  "Destructively remove from list L all elements matching any in list R.
+Test is done using `equal'."
+  (while (and l (and r (member (car l) r)))
+    (setq l (cdr l)))
+  (let ((m l))
+    (while m
+      (while (and (cdr m)
+                 (and r (member (cadr m) r)))
+       (setcdr m (cddr m)))
+      (setq m (cdr m))))
+  l)
+
 (defun pcmpl-linux-mountable-directories ()
   "Return a list of mountable directory names."
   (let (points)
@@ -106,5 +112,4 @@
        (pcomplete-uniqify-list points)
        (cons "swap" (pcmpl-linux-mounted-directories))))))
 
-;;; arch-tag: bb0961a6-a623-463d-92c6-497c317293b1
 ;;; pcmpl-linux.el ends here