From bb00fef3cd2ff446aa5c1894fb4830f83750018a Mon Sep 17 00:00:00 2001
From: Ryan Dahl <ry@tinyclouds.org>
Date: Fri, 26 Mar 2010 08:35:46 -0700
Subject: [PATCH] Change Buffer.toString to conform to CommonJS Binary/F

Also add Buffer.inspect
---
 lib/buffer.js | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/lib/buffer.js b/lib/buffer.js
index d3988597485..4f7699e6387 100644
--- a/lib/buffer.js
+++ b/lib/buffer.js
@@ -7,7 +7,7 @@ function toHex (n) {
   return n.toString(16);
 }
 
-Buffer.prototype.toString = function () {
+Buffer.prototype.inspect = function () {
   var s = "<Buffer ";
   for (var i = 0; i < this.length; i++) {
     s += toHex(this[i]);
@@ -17,8 +17,20 @@ Buffer.prototype.toString = function () {
   return s;
 };
 
-Buffer.prototype.toJSON = function () {
-  return this.utf8Slice(0, this.length);
+Buffer.prototype.toString = function (encoding, start, stop) {
+  encoding = encoding || 'utf8';
+  if (!start) start = 0;
+  if (!stop) stop = this.length;
+
+  if (encoding == 'utf8') {
+    return this.utf8Slice(start, stop);
+  } else if (encoding == 'ascii') {
+    return this.asciiSlice(start, stop);
+  } else if (encoding == 'binary') {
+    return this.binarySlice(start, stop);
+  } else {
+    throw new Error('Unknown encoding');
+  }
 };