X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fepicycle.c;h=01e88d381e3342e594bd077886483d938ec1dca3;hb=e4fa2ac140f7bc56571373a7b7eb585fa4500e38;hp=b812e6ae38968adb6e036c9b8aed8d5e8e43c294;hpb=f65151994eba80ecabcdac6eef6fa0dde7e2d45b;p=xscreensaver

diff --git a/hacks/epicycle.c b/hacks/epicycle.c
index b812e6ae..01e88d38 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--)
@@ -584,11 +587,9 @@ setup(void)
     }
   else
     {
-      XWindowAttributes xgwa;
       XGetWindowAttributes (dpy, window, &xgwa);
       XSelectInput (dpy, window,
-                    xgwa.your_event_mask | ExposureMask |
-                    ButtonPressMask |StructureNotifyMask);
+                    xgwa.your_event_mask | ExposureMask | ButtonPressMask);
     }
   
 }