From 00340610e70f3651d267a210e2c2914f1102d086 Mon Sep 17 00:00:00 2001
From: Benoit Giannangeli <giann008@gmail.com>
Date: Fri, 24 Mar 2017 11:05:51 +0100
Subject: string.rep: don't repeat if n == 0

---
 src/lstrlib.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/lstrlib.js b/src/lstrlib.js
index 4bd8664..3a2ea39 100644
--- a/src/lstrlib.js
+++ b/src/lstrlib.js
@@ -668,7 +668,7 @@ const str_rep = function(L) {
     let n = lauxlib.luaL_checkinteger(L, 2);
     let sep = lauxlib.luaL_optstring(L, 3, "");
 
-    lapi.lua_pushstring(L, (s + sep).repeat(n - 1) + s);
+    lapi.lua_pushstring(L, n > 0 ? (s + sep).repeat(n - 1) + s : "");
     return 1;
 };
 
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