mirror of
https://github.com/Hopiu/postal.js.git
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50 lines
709 B
JavaScript
50 lines
709 B
JavaScript
/*!
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* socket.io-node
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* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
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* MIT Licensed
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*/
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/**
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* Module dependencies.
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*/
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/**
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* Converts an enumerable to an array.
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*
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* @api public
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*/
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exports.toArray = function ( enu ) {
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var arr = [];
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for ( var i = 0, l = enu.length; i < l; i++ ) {
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arr.push( enu[i] );
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}
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return arr;
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};
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/**
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* Unpacks a buffer to a number.
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*
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* @api public
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*/
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exports.unpack = function ( buffer ) {
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var n = 0;
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for ( var i = 0; i < buffer.length; ++i ) {
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n = (i == 0) ? buffer[i] : (n * 256) + buffer[i];
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}
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return n;
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}
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/**
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* Left pads a string.
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*
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* @api public
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*/
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exports.padl = function ( s, n, c ) {
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return new Array( 1 + n - s.length ).join( c ) + s;
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}
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