X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=datetime.lisp;h=b3dbc1a47f895895e549064059d876202c0b5a74;hb=12026eac09e773e83887a6073d5a034979ce7043;hp=8357da030b95b5e028d80711e072e6fb83cfdc30;hpb=22765cd49d01672b58873f98554c3b5f3069663f;p=kmrcl.git

diff --git a/datetime.lisp b/datetime.lisp
index 8357da0..b3dbc1a 100644
--- a/datetime.lisp
+++ b/datetime.lisp
@@ -7,8 +7,6 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Apr 2000
 ;;;;
-;;;; $Id$
-;;;;
 ;;;; This file, part of KMRCL, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;;
 ;;;; KMRCL users are granted the rights to distribute and use this software
@@ -26,31 +24,31 @@
     (decode-universal-time
      (encode-universal-time s m hour day month year))
     (values (elt '("Monday" "Tuesday" "Wednesday" "Thursday"
-		   "Friday" "Saturday" "Sunday")
-		 wkday)
-	    (elt '("January" "February" "March" "April" "May" "June"
-		   "July" "August" "September" "October" "November"
-		   "December")
-		 (1- mn))
-	    (format nil "~A" dy)
+                   "Friday" "Saturday" "Sunday")
+                 wkday)
+            (elt '("January" "February" "March" "April" "May" "June"
+                   "July" "August" "September" "October" "November"
+                   "December")
+                 (1- mn))
+            (format nil "~A" dy)
             (format nil "~A" yr)
-	    (format nil "~2,'0D:~2,'0D:~2,'0D" hr min sec))))
+            (format nil "~2,'0D:~2,'0D:~2,'0D" hr min sec))))
 
 (defun pretty-date-ut (&optional (tm (get-universal-time)))
   (multiple-value-bind (sec min hr dy mn yr) (decode-universal-time tm)
     (pretty-date yr mn dy hr min sec)))
 
-(defun date-string (ut)
+(defun date-string (&optional (ut (get-universal-time)))
   (if (typep ut 'integer)
       (multiple-value-bind (sec min hr day mon year dow daylight-p zone)
-	  (decode-universal-time ut)
-	(declare (ignore daylight-p zone))
-	(format nil "~[Mon~;Tue~;Wed~;Thu~;Fri~;Sat~;Sun~], ~d ~[Jan~;Feb~;Mar~;Apr~;May~;Jun~;Jul~;Aug~;Sep~;Oct~;Nov~;Dec~] ~d ~2,'0d:~2,'0d:~2,'0d"
-		dow
-		day
-		(1- mon)
-		year
-		hr min sec))))
+          (decode-universal-time ut)
+        (declare (ignore daylight-p zone))
+        (format nil "~[Mon~;Tue~;Wed~;Thu~;Fri~;Sat~;Sun~] ~d ~[Jan~;Feb~;Mar~;Apr~;May~;Jun~;Jul~;Aug~;Sep~;Oct~;Nov~;Dec~] ~d ~2,'0d:~2,'0d:~2,'0d"
+                dow
+                day
+                (1- mon)
+                year
+                hr min sec))))
 
 (defun print-seconds (secs)
   (print-float-units secs "sec"))
@@ -112,7 +110,7 @@
 
 (defun day-of-week (year month day)
   "Day of week calculation using Zeller's Congruence.
-Input: The year y, month m (1 ≤ m ≤ 12) and day d (1 ≤ d ≤ 31).
+Input: The year y, month m (1 <= m <= 12) and day d (1 <= d <= 31).
 Output: n - the day of the week (Sunday = 0, Saturday = 6)."
 
   (when (< month 3)