From eb7217f8ecdbe797f8cc455e0484af545df89ee3 Mon Sep 17 00:00:00 2001
From: Renaud Fivet <renaud.fivet@gmail.com>
Date: Wed, 18 Mar 2015 12:27:55 +0800
Subject: [PATCH] Fix CID 39910: &rnd 0 return a pseudo-random number instead
 of triggering a zero divide crash.

---
 eval.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/eval.c b/eval.c
index 81de494..f5f98ca 100644
--- a/eval.c
+++ b/eval.c
@@ -546,7 +546,13 @@ static char *gtfun( char *fname) {
 		retstr = result ;
 		break ;
 	case UFRND:
-		retstr = i_to_a( (ernd() % abs( atoi( argx))) + 1) ;
+		sz = abs( atoi( argx)) ;
+		if( sz == 0)
+			sz = ernd() ;
+		else
+			sz = ernd() % sz + 1 ;
+
+		retstr = i_to_a( sz) ;
 		break ;
 	case UFABS:
 		retstr = i_to_a( abs( atoi( argx))) ;