From e5ea6ad0f01e67db73a30190b520df25ba8e16f4 Mon Sep 17 00:00:00 2001
From: Bert Belder <bertbelder@gmail.com>
Date: Thu, 2 Feb 2012 16:57:45 +0100
Subject: [PATCH] _makeLong shouldn't turn the empty string into \\?\C:\

---
 lib/path.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/path.js b/lib/path.js
index 6d410c70e51..87451e93754 100644
--- a/lib/path.js
+++ b/lib/path.js
@@ -420,6 +420,11 @@ exports.existsSync = function(path) {
 
 var _makeLong = exports._makeLong = isWindows ?
   function(path) {
+    path = "" + path;
+    if (!path) {
+      return "";
+    }
+
     var resolvedPath = exports.resolve(path);
 
     if (resolvedPath.match(/^[a-zA-Z]\:\\/)) {