From a5017f218fe68fbfb05cfef9e85214b198ed8f0b Mon Sep 17 00:00:00 2001
From: Torsten Dreyer <Torsten@t3r.de>
Date: Mon, 13 Sep 2010 22:15:50 +0200
Subject: [PATCH] Fix mean nasal bug when calling setprop("foo")

Reported on the forum from Thorsten Renk and analyzed by
Hooray, fixes this issue:
var x="/test/X";
var y="/test/Y";

setprop(x,100); # sets x=100
setprop(y); # sets x=0

setprop(x,100);
setprop(200); # sets x=200

by checking for at least 2 parameters for setprop
---
 src/Scripting/NasalSys.cxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Scripting/NasalSys.cxx b/src/Scripting/NasalSys.cxx
index 0a221fc6e..ae5d9c0af 100644
--- a/src/Scripting/NasalSys.cxx
+++ b/src/Scripting/NasalSys.cxx
@@ -212,6 +212,7 @@ static naRef f_setprop(naContext c, naRef me, int argc, naRef* args)
     buf[BUFLEN] = 0;
     char* p = buf;
     int buflen = BUFLEN;
+    if(argc < 2) naRuntimeError(c, "setprop() expects at least 2 arguments");
     for(int i=0; i<argc-1; i++) {
         naRef s = naStringValue(c, args[i]);
         if(naIsNil(s)) return naNil();
-- 
2.39.5