BufferHelper.js

BufferHelper.js

exports.concat = function() {
  var args = (arguments.length === 1) ? arguments[0] : arguments;

  var i;
  var sumlen = 0;
  for (i = 0; i < args.length; i++) {
    sumlen += args[i].length;
  }

  var buf = new Buffer(sumlen);
  var pos = 0;
  for (i = 0; i < args.length; i++) {
    args[i].copy(buf, pos);
    pos += args[i].length;
  }

  return buf;
};

//var bc = require('./index.js');
//
//var buf = [
//  new Buffer('ABC'),
//  new Buffer('123'),
//  new Buffer('DEF')
//];
//
//console.log(bc.concat1(buf[0], buf[1]).toString());
//console.log('--------');
//
//console.log(bc.concat2(buf[0], buf[1], buf[2]).toString());
//console.log('--------');
//
//console.log(bc.concat(buf[0], buf[1], buf[2]).toString());
//console.log('--------');
//
//console.log(bc.concat(buf).toString());
//console.log('--------');