From af9aa93e0ccb7f91a2aab8950868cf0a62f9bb2e Mon Sep 17 00:00:00 2001
From: Marco Rogers <marco.rogers@gmail.com>
Date: Wed, 25 Aug 2010 00:36:08 -0400
Subject: [PATCH] fix for fs.readFile to return string when encoding specified
 on zero length read

---
 lib/fs.js                             | 2 +-
 test/simple/test-fs-readfile-empty.js | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/fs.js b/lib/fs.js
index adaf5a4281c..7c8b38c05a5 100644
--- a/lib/fs.js
+++ b/lib/fs.js
@@ -56,7 +56,7 @@ fs.readFile = function (path, encoding_, callback) {
       function doRead() {
         if (size < 1) {
           binding.close(fd);
-          callback(null, buffer);
+          callback(null, encoding ? '' : buffer);
           return;
         }
         // position is offset or null so we can read files on unseekable mediums
diff --git a/test/simple/test-fs-readfile-empty.js b/test/simple/test-fs-readfile-empty.js
index 770d5e4e673..7b3ab1f2ddf 100644
--- a/test/simple/test-fs-readfile-empty.js
+++ b/test/simple/test-fs-readfile-empty.js
@@ -9,3 +9,7 @@ var
 fs.readFile(fn, function(err, data) {
   assert.ok(data);
 });
+
+fs.readFile(fn, 'utf8', function(err, data) {
+  assert.strictEqual('', data);
+});
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