Put bullet-proofing code into OS2/FILE-TIME->STRING. It turns out

that CD-ROM root directories have unusual time stamps.

diff --git a/v7/src/runtime/os2prm.scm b/v7/src/runtime/os2prm.scm
index f98b3ee02c3dc452fcb535d28213e521c24385e2..eb25170445e05a4a3fda70d6450039e8cceb76b9 100644 (file)
--- a/v7/src/runtime/os2prm.scm
+++ b/v7/src/runtime/os2prm.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Id: os2prm.scm,v 1.6 1995/02/14 00:35:23 cph Exp $
+$Id: os2prm.scm,v 1.7 1995/02/21 23:12:47 cph Exp $
 
 Copyright (c) 1994-95 Massachusetts Institute of Technology
 
@@ -117,7 +117,9 @@ MIT in each case. |#
         (year    (quotient  time 16)))
     (string-append (vector-ref '#("Jan" "Feb" "Mar" "Apr" "May" "Jun"
                                        "Jul" "Aug" "Sep" "Oct" "Nov" "Dec")
-                              (- month 1))
+                              (if (<= 1 month 12)
+                                  (- month 1)
+                                  0))
                   " "
                   (string-pad-left (number->string day) 2 #\space)
                   " "