From 575c8da393f1c2b17564979b3286bde411067fdb Mon Sep 17 00:00:00 2001
From: Neale Pickett <neale@woozle.org>
Date: Fri, 26 Jul 2013 14:12:04 -0600
Subject: [PATCH] fix divide by zero in random

---
 forftanks.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/forftanks.c b/forftanks.c
index 65205fc..24e62f9 100644
--- a/forftanks.c
+++ b/forftanks.c
@@ -172,6 +172,10 @@ void
 forf_proc_random(struct forf_env *env)
 {
   long max = forf_pop_num(env);
+  
+  if (max < 1) {
+  	forf_push_num(env, 0);
+  }
 
   forf_push_num(env, rand() % max);
 }