lua_numbertointeger should return false on failure

Found via behaviour of pushnumint in lmathlib

2 files changed, 2 insertions, 3 deletions

diff --git a/src/luaconf.js b/src/luaconf.js
index 7cf3d06..3d0d18f 100644
--- a/src/luaconf.js
+++ b/src/luaconf.js
@@ -19,7 +19,7 @@ const LUAI_MAXSTACK = 1000000;
 const LUA_IDSIZE = 60;
 
 const lua_numbertointeger = function(n) {
-    return n >= llimit.MIN_INT && n < -llimit.MIN_INT ? n : 0;
+    return n >= llimit.MIN_INT && n < -llimit.MIN_INT ? n : false;
 };
 
 const LUA_INTEGER_FRMLEN = "";
diff --git a/src/lvm.js b/src/lvm.js
index dfb2ed5..3cf406a 100644
--- a/src/lvm.js
+++ b/src/lvm.js
@@ -801,8 +801,7 @@ const luaV_tointeger = function(obj, mode) {
                 f += 1;  /* convert floor to ceil (remember: n !== f) */
         }
 
-        let res = luaconf.lua_numbertointeger(f);
-        return res !== 0 ? res : (n === 0 ? 0 : false);
+        return luaconf.lua_numbertointeger(f);
     } else if (obj.ttisinteger()) {
         return obj.value;
     } else if (obj.ttisstring()) {