eww-conf: stringp adds security

* eww-conf.el (durand-eww-bookmark-jump): Using stringp to check if a
  variable is really a string, so that the function that depends on it
  being a string won't fail unexpectedly (to the user).

1 files changed, 7 insertions, 3 deletions

diff --git a/eww-conf.el b/eww-conf.el
index a8fbd62..aaf48d3 100644
--- a/eww-conf.el
+++ b/eww-conf.el
@@ -516,14 +516,18 @@ Otherwise, fetch URL and afterwards try to restore the point."
         (cond
          (reuse-p
           (set-buffer reuse-p)
-          ;; we may use the default handler to restore the position here
+          ;; we may use the default handler to restore the position
+          ;; here
           (with-current-buffer reuse-p
             (goto-char (cdr position))
             (cond
-             ((search-forward (cdr front) nil t)
+             ((and
+               (stringp (cdr front))
+               (search-forward (cdr front) nil t))
               (goto-char (match-beginning 0))))
             (cond
-             ((search-forward (cdr rear) nil t)
+             ((and (stringp (cdr rear))
+                   (search-forward (cdr rear) nil t))
               (goto-char (match-end 0))))))
          (t
           ;; HACK, GIANT HACK!