diff options
Diffstat (limited to 'lisp/eshell/esh-util.el')
| -rw-r--r-- | lisp/eshell/esh-util.el | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/lisp/eshell/esh-util.el b/lisp/eshell/esh-util.el index 26de0a55ee..c73d094020 100644 --- a/lisp/eshell/esh-util.el +++ b/lisp/eshell/esh-util.el @@ -236,7 +236,7 @@ then quoting is done by a backslash, rather than a doubled delimiter." (defun eshell-sublist (l &optional n m) "Return from LIST the N to M elements. If N or M is nil, it means the end of the list." - (let* ((a (eshell-copy-list l)) + (let* ((a (copy-sequence l)) result) (if (and m (consp (nthcdr m a))) (setcdr (nthcdr m a) nil)) @@ -710,22 +710,13 @@ Unless optional argument INPLACE is non-nil, return a new string." (setq entry nil))))))) (or entry (funcall handler 'file-attributes file))))) -(defun eshell-copy-list (list) - "Return a copy of a list, which may be a dotted list. -The elements of the list are not copied, just the list structure itself." - (if (consp list) - (let ((res nil)) - (while (consp list) (push (pop list) res)) - (prog1 (nreverse res) (setcdr res list))) - (car list))) - (defun eshell-copy-tree (tree &optional vecp) "Make a copy of TREE. If TREE is a cons cell, this recursively copies both its car and its cdr. Contrast to copy-sequence, which copies only along the cdrs. With second argument VECP, this copies vectors as well as conses." (if (consp tree) - (let ((p (setq tree (eshell-copy-list tree)))) + (let ((p (setq tree (copy-sequence tree)))) (while (consp p) (if (or (consp (car p)) (and vecp (vectorp (car p)))) (setcar p (eshell-copy-tree (car p) vecp))) |