(progress-reporter-do-update): When `min-value' is equal

to `max-value', set `percentage' to 0 and prevent division by zero.

2 files changed, 8 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index d1a050343ec..f9cad483232 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2005-03-20  Juri Linkov  <juri@jurta.org>
+
+        * subr.el (progress-reporter-do-update): When `min-value' is equal
+        to `max-value', set `percentage' to 0 and prevent division by zero.
+
 2005-03-20  Michael Albinus  <michael.albinus@gmx.de>
 
         Sync with Tramp 2.0.48.
diff --git a/lisp/subr.el b/lisp/subr.el
index b9e7786cfe4..4ff9be7e8b9 100644
--- a/lisp/subr.el
+++ b/lisp/subr.el
@@ -2750,7 +2750,9 @@ change the displayed message."
          (min-value    (aref parameters 1))
          (max-value    (aref parameters 2))
          (one-percent  (/ (- max-value min-value) 100.0))
-         (percentage   (truncate (/ (- value min-value) one-percent)))
+         (percentage   (if (= max-value min-value)
+                           0
+                         (truncate (/ (- value min-value) one-percent))))
          (update-time  (aref parameters 0))
          (current-time (float-time))
          (enough-time-passed