/*!
 * socket.io-node
 * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
 * MIT Licensed
 */

/**
 * Module dependencies.
 */

/**
 * Converts an enumerable to an array.
 *
 * @api public
 */

exports.toArray = function ( enu ) {
	var arr = [];

	for ( var i = 0, l = enu.length; i < l; i++ ) {
		arr.push( enu[i] );
	}

	return arr;
};

/**
 * Unpacks a buffer to a number.
 *
 * @api public
 */

exports.unpack = function ( buffer ) {
	var n = 0;
	for ( var i = 0; i < buffer.length; ++i ) {
		n = (i == 0) ? buffer[i] : (n * 256) + buffer[i];
	}
	return n;
}

/**
 * Left pads a string.
 *
 * @api public
 */

exports.padl = function ( s, n, c ) {
	return new Array( 1 + n - s.length ).join( c ) + s;
}