Prevent a rnd(0) call

2015-11-12 20:11:45 +02:00
parent 8451f67dff
commit c1e34f17f7
1 changed files with 2 additions and 1 deletions
--- a/src/zap.c
+++ b/src/zap.c
@@ -2979,7 +2979,8 @@ STATIC_OVL void
 skiprange(range, skipstart, skipend)
 int range, *skipstart, *skipend;
 {
-    int tmp = range - (rnd(range / 4));
+    int tr = (range / 4);
+    int tmp = range - ((tr > 0) ? rnd(tr) : 0);
    *skipstart = tmp;
    *skipend = tmp - ((tmp / 4) * rnd(3));
    if (*skipend >= tmp)