X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=hacks%2Fepicycle.c;h=65a468162ef9fe5dcbfb7974600652edbd337e31;hb=96a411663168b0ba5432b407a83be55f3df0c802;hp=b812e6ae38968adb6e036c9b8aed8d5e8e43c294;hpb=df7adbee81405e2849728a24b498ad2117784b1f;p=xscreensaver

diff --git a/hacks/epicycle.c b/hacks/epicycle.c
index b812e6ae..65a46816 100644
--- a/hacks/epicycle.c
+++ b/hacks/epicycle.c
@@ -266,7 +266,10 @@ new_circle_chain(void)
   
   /* There are between minCircles and maxCircles in each figure.
    */
-  n = minCircles + rand() % (maxCircles - minCircles);
+  if (maxCircles == minCircles)
+    n = minCircles;            /* Avoid division by zero. */
+  else
+    n = minCircles + random() % (maxCircles - minCircles);
   
   head = NULL;
   while (n--)
@@ -584,7 +587,6 @@ setup(void)
     }
   else
     {
-      XWindowAttributes xgwa;
       XGetWindowAttributes (dpy, window, &xgwa);
       XSelectInput (dpy, window,
                     xgwa.your_event_mask | ExposureMask |