From bafedc76663a9a5ead715b2f0add27b88c029785 Mon Sep 17 00:00:00 2001
From: Benoit Giannangeli <giann008@gmail.com>
Date: Fri, 16 Jun 2017 10:43:05 +0200
Subject: Fix bad test on issigned in unpackint

---
 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 6ea1630..f2518e0 100644
--- a/src/lstrlib.js
+++ b/src/lstrlib.js
@@ -733,7 +733,7 @@ const unpackint = function(L, str, islittle, size, issigned) {
             res = ((res ^ mask) - mask);  /* do sign extension */
         }
     } else if (size > SZINT) {  /* must check unread bytes */
-        let mask = issigned || res >= 0 ? 0 : MC;
+        let mask = !issigned || res >= 0 ? 0 : MC;
         for (let i = limit; i < size; i++) {
             if (str[islittle ? i : size - 1 - i] !== mask)
                 lauxlib.luaL_error(L, lua.to_luastring("%d-byte integer does not fit into Lua Integer"), size);
-- 
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