(url-history-save-history): Use url-make-private-file and with-temp-buffer.

lisp/url/ChangeLog

+2007-12-11  Glenn Morris  <rgm@gnu.org>
+
+	* url.el (url-configuration-directory): Make it a defcustom.
+
+	* url-util.el (url-make-private-file): New function.
+	* url-cookie.el (url-cookie-write-file):
+	* url-history.el (url-history-save-history):
+	Use url-make-private-file and with-temp-buffer.
+
 2007-12-06  Glenn Morris  <rgm@gnu.org>
 
 	* url-file.el, url-mailto.el: Remove directory part from filenames

lisp/url/url-history.el

@@ -112,29 +112,28 @@ to run the `url-history-setup-save-timer' function manually."
   (puthash (if (vectorp url) (url-recreate-url url) url) time
            url-history-hash-table))
 
+(autoload 'url-make-private-file "url-util")
+
 (defun url-history-save-history (&optional fname)
   "Write the global history file into `url-history-file'.
 The type of data written is determined by what is in the file to begin
 with.  If the type of storage cannot be determined, then prompt the
 user for what type to save as."
   (interactive)
-  (or fname (setq fname (expand-file-name url-history-file)))
-  (unless (file-directory-p (file-name-directory fname))
-    (condition-case nil
-        (make-directory (file-name-directory fname))
-      (error nil)))
-  (cond
-   ((not url-history-changed-since-last-save) nil)
-   ((not (file-writable-p fname))
-    (message "%s is unwritable." fname))
-   (t
-    (let ((make-backup-files nil)
-	  (version-control nil)
-	  (require-final-newline t))
-      (with-current-buffer (get-buffer-create " *url-tmp*")
-	(erase-buffer)
-	(let ((count 0))
-	  (maphash (lambda (key value)
+  (when url-history-changed-since-last-save
+    (or fname (setq fname (expand-file-name url-history-file)))
+    (if (condition-case nil
+            (progn
+              (url-make-private-file fname)
+              nil)
+          (error t))
+        (message "Error accessing history file `%s'" fname)
+      (let ((make-backup-files nil)
+            (version-control nil)
+            (require-final-newline t)
+            (count 0))
+        (with-temp-buffer
+          (maphash (lambda (key value)
                      (while (string-match "[\r\n]+" key)
                        (setq key (concat (substring key 0 (match-beginning 0))
                                          (substring key (match-end 0) nil))))
@@ -153,9 +152,8 @@ user for what type to save as."
 	  ;;          (/ count 4)))
 	  ;; (goto-char (point-max))
 	  (insert "\n")
-	  (write-file fname))
-	(kill-buffer (current-buffer))))))
-  (setq url-history-changed-since-last-save nil))
+	  (write-file fname)))
+      (setq url-history-changed-since-last-save nil))))
 
 (defun url-have-visited-url (url)
   (url-do-setup)