http://ftp.x.org/contrib/applications/xscreensaver-3.23.tar.gz

[xscreensaver] / hacks / epicycle.c

diff --git a/hacks/epicycle.c b/hacks/epicycle.c
index 3732cb8e2ff49644b10223968880b67fa60f91d4..9d355c3127b5010e43e35a4721e41cacc879cb1a 100644 (file)
--- 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 + random() % (maxCircles - minCircles);
+  if (maxCircles == minCircles)
+    n = minCircles;            /* Avoid division by zero. */
+  else
+    n = minCircles + random() % (maxCircles - minCircles);
   
   head = NULL;
   while (n--)