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authorJay Belanger <jay.p.belanger@gmail.com>2005-01-10 04:07:04 +0000
committerJay Belanger <jay.p.belanger@gmail.com>2005-01-10 04:07:04 +0000
commitf1ed747e1074335bbc39cc58680e67c3d4b27824 (patch)
treeadceb57001f5a8b73d0ee95d9251e0b447152308 /lisp/calc
parent1481127614cecb8cc7ce80acb9db6200c5a42dc7 (diff)
downloademacs-f1ed747e1074335bbc39cc58680e67c3d4b27824.tar.gz
(calc-mode-var-list-restore-saved-values): Make sure settings file
exists before accessing it.
Diffstat (limited to 'lisp/calc')
-rw-r--r--lisp/calc/calc.el20
1 files changed, 11 insertions, 9 deletions
diff --git a/lisp/calc/calc.el b/lisp/calc/calc.el
index eac19b9ca94..a578a8666b8 100644
--- a/lisp/calc/calc.el
+++ b/lisp/calc/calc.el
@@ -257,15 +257,17 @@ scientific notation in calc-mode.")
(defun calc-mode-var-list-restore-saved-values ()
(let ((newvarlist '()))
(save-excursion
- (let (pos)
- (set-buffer (find-file-noselect (substitute-in-file-name
- calc-settings-file)))
- (goto-char (point-min))
- (when (and (search-forward ";;; Mode settings stored by Calc" nil t)
- (progn
- (forward-line 1)
- (setq pos (point))
- (search-forward "\n;;; End of mode settings" nil t)))
+ (let (pos
+ (file (substitute-in-file-name calc-settings-file)))
+ (when (and
+ (file-regular-p file)
+ (set-buffer (find-file-noselect file))
+ (goto-char (point-min))
+ (search-forward ";;; Mode settings stored by Calc" nil t)
+ (progn
+ (forward-line 1)
+ (setq pos (point))
+ (search-forward "\n;;; End of mode settings" nil t)))
(beginning-of-line)
(calc-mode-var-list-restore-default-values)
(eval-region pos (point))