cc-fonts.el fix for bug#9443 (tiny change)

[gnu-emacs] / lisp / type-break.el

diff --git a/lisp/type-break.el b/lisp/type-break.el
index a41fb1d423fc2af9fe18b07ce30a072a78638b83..d276e64f6db0f41ee9f140d550e84f12f2640217 100644 (file)
--- a/lisp/type-break.el
+++ b/lisp/type-break.el
@@ -47,7 +47,7 @@
 ;; or set the variable of the same name to `t'.
 
 ;; This program can truly cons up a storm because of all the calls to
-;; `current-time' (which always returns 3 fresh conses).  I'm dismayed by
+;; `current-time' (which always returns fresh conses).  I'm dismayed by
 ;; this, but I think the health of my hands is far more important than a
 ;; few pages of virtual memory.
 
@@ -501,12 +501,9 @@ variable of the same name."
 (defun timep (time)
   "If TIME is in the format returned by `current-time' then
 return TIME, else return nil."
-  (and (listp time)
-       (eq (length time) 3)
-       (integerp (car time))
-       (integerp (nth 1 time))
-       (integerp (nth 2 time))
-       time))
+  (condition-case nil
+      (and (float-time time) time)
+    (error nil)))
 
 (defun type-break-choose-file ()
   "Return file to read from."
@@ -993,12 +990,8 @@ FRAC should be the inverse of the fractional value; for example, a value of
 
 ;; Compute the difference, in seconds, between a and b, two structures
 ;; similar to those returned by `current-time'.
-;; Use addition rather than logand since that is more robust; the low 16
-;; bits of the seconds might have been incremented, making it more than 16
-;; bits wide.
 (defun type-break-time-difference (a b)
-  (+ (lsh (- (car b) (car a)) 16)
-     (- (car (cdr b)) (car (cdr a)))))
+  (round (float-time (time-subtract b a))))
 
 ;; Return (in a new list the same in structure to that returned by
 ;; `current-time') the sum of the arguments.  Each argument may be a time
@@ -1009,13 +1002,10 @@ FRAC should be the inverse of the fractional value; for example, a value of
 ;; "low" bits and format the time incorrectly.
 (defun type-break-time-sum (&rest tmlist)
   (let ((sum '(0 0 0)))
-    (while tmlist
-      (setq tem (car tmlist))
-      (setq tmlist (cdr tmlist))
+    (dolist (tem tmlist sum)
       (setq sum (time-add sum (if (integerp tem)
                                  (list (floor tem 65536) (mod tem 65536))
-                               tem))))
-    sum))
+                               tem))))))
 
 (defun type-break-time-stamp (&optional when)
   (if (fboundp 'format-time-string)