From f040e09ab79e821314f737bbc652c63cac278a7a Mon Sep 17 00:00:00 2001
From: daurnimator <quae@daurnimator.com>
Date: Mon, 22 May 2017 01:39:33 +1000
Subject: lua_stringtonumber is meant to return length + 1

---
 src/lapi.js     | 2 +-
 src/lbaselib.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lapi.js b/src/lapi.js
index 1fb8baa..d2f5c95 100644
--- a/src/lapi.js
+++ b/src/lapi.js
@@ -800,7 +800,7 @@ const lua_stringtonumber = function(L, s) {
     if (tv) {
         L.stack[L.top++] = tv;
         assert(L.top <= L.ci.top, "stack overflow");
-        return s.length;
+        return s.length+1;
     }
     return 0;
 };
diff --git a/src/lbaselib.js b/src/lbaselib.js
index bffe5a6..613adc0 100644
--- a/src/lbaselib.js
+++ b/src/lbaselib.js
@@ -162,7 +162,7 @@ const luaB_tonumber = function(L) {
             return 1;
         } else {
             let s = lua.lua_tostring(L, 1);
-            if (s !== null && lua.lua_stringtonumber(L, s) === s.length)
+            if (s !== null && lua.lua_stringtonumber(L, s) === s.length+1)
                 return 1;  /* successful conversion to number */
         }
     } else {
-- 
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