Fixed a global variable leak

Author: patrickod

lib/memcache.js

@@ -25,7 +25,7 @@
 
 var tcp = require('net'),
     util = require('util');
-    
+
 var crlf = "\r\n";
 var crlf_len = crlf.length;
 
@@ -53,22 +53,22 @@ Client.prototype.connect = function () {
 	        this.setNoDelay();
 		  	self.emit("connect");
 	  		self.dispatchHandles();
-	    }); 
-	 
+	    });
+
 	    this.conn.addListener("data", function (data) {
 	    	self.buffer += data;
             // util.debug(data);
 	    	self.recieves += 1;
 	    	self.handle_received_data();
 	    });
-	 
+
 	    this.conn.addListener("end", function () {
 	    	if (self.conn && self.conn.readyState) {
 	    		self.conn.end();
 	        	self.conn = null;
 	      	}
 	    });
-	 
+
 	    this.conn.addListener("close", function () {
 	    	self.conn = null;
 	      	self.emit("close");
@@ -88,7 +88,7 @@ Client.prototype.connect = function () {
 
 Client.prototype.addHandler = function(callback) {
     this.handles.push(callback);
-    
+
     if (this.conn.readyState == 'open') {
         this.dispatchHandles();
     }
@@ -163,7 +163,7 @@ Client.prototype.cas = function(key, value, unique, callback, lifetime, flags) {
 
 Client.prototype.del = function(key, callback){
 	util.error("mc.del() is deprecated - use mc.delete() instead");
-	return this.delete(key, callback); 
+	return this.delete(key, callback);
 };
 
 Client.prototype.delete = function(key, callback){
@@ -211,7 +211,7 @@ Client.prototype.stats = function(type, callback){
 }
 
 Client.prototype.handle_received_data = function(){
-    
+
 	while (this.buffer.length > 0){
 
 		var result = this.determine_reply_handler(this.buffer);
@@ -247,7 +247,7 @@ Client.prototype.determine_reply_handler = function (buffer){
 	if (crlf_at == -1){
 		return null;
 	}
-		
+
 	// determine errors
 	for (var error_idx in error_replies){
 		var error_indicator = error_replies[error_idx];
@@ -270,20 +270,20 @@ Client.prototype.handle_get = function(buffer) {
     var result_value = null;
     var end_indicator_len = 3;
     var result_len = 0;
-    
+
     if (buffer.indexOf('END') == 0) {
         return [result_value, end_indicator_len + crlf_len];
     } else if (buffer.indexOf('VALUE') == 0 && buffer.indexOf('END') != -1) {
         first_line_len = buffer.indexOf(crlf) + crlf_len;
         var end_indicator_start = buffer.indexOf('END');
         result_len = end_indicator_start - first_line_len - crlf_len;
         result_value = buffer.substr(first_line_len, result_len);
-        return [result_value, first_line_len + parseInt(result_len, 10) + crlf_len + end_indicator_len + crlf_len]        
+        return [result_value, first_line_len + parseInt(result_len, 10) + crlf_len + end_indicator_len + crlf_len]
     } else {
         var first_line_len = buffer.indexOf(crlf) + crlf_len;
         var result_len     = buffer.substr(0, first_line_len).split(' ')[3];
         result_value       = buffer.substr(first_line_len, result_len);
-        
+
         return [result_value, first_line_len + parseInt(result_len ) + crlf_len + end_indicator_len + crlf_len];
     }
 };
@@ -333,7 +333,7 @@ Client.prototype.handle_version = function(buffer){
 };
 
 Client.prototype.handle_error = function(buffer){
-	line = readLine(buffer);
+	var line = readLine(buffer);
 	return [null, (line.length + crlf_len), line];
 };