Function int64

restore/505goldhen/exploit.js:31–96

(low, hi)

 return number + "";
}
function int64(low, hi) {
 this.low = (low >>> 0);
 this.hi = (hi >>> 0);
 this.add32inplace = function (val) {
  var new_lo = (((this.low >>> 0) + val) & 0xFFFFFFFF) >>> 0;
  var new_hi = (this.hi >>> 0);
  if (new_lo < this.low)
   new_hi++;
  this.hi = new_hi;
  this.low = new_lo;
 };
 this.add32 = function (val) {
  var new_lo = (((this.low >>> 0) + val) & 0xFFFFFFFF) >>> 0;
  var new_hi = (this.hi >>> 0);
  if (new_lo < this.low)
   new_hi++;
  return new int64(new_lo, new_hi);
 };
 this.sub32 = function (val) {
  var new_lo = (((this.low >>> 0) - val) & 0xFFFFFFFF) >>> 0;
  var new_hi = (this.hi >>> 0);
  if (new_lo > (this.low) & 0xFFFFFFFF)
   new_hi--;
  return new int64(new_lo, new_hi);
 };
 this.sub32inplace = function (val) {
  var new_lo = (((this.low >>> 0) - val) & 0xFFFFFFFF) >>> 0;
  var new_hi = (this.hi >>> 0);
  if (new_lo > (this.low) & 0xFFFFFFFF)
   new_hi--;
  this.hi = new_hi;
  this.low = new_lo;
 };
 this.and32 = function (val) {
  var new_lo = this.low & val;
  var new_hi = this.hi;
  return new int64(new_lo, new_hi);
 };
 this.and64 = function (vallo, valhi) {
  var new_lo = this.low & vallo;
  var new_hi = this.hi & valhi;
  return new int64(new_lo, new_hi);
 };
 this.toString = function (val) {
  val = 16;
  var lo_str = (this.low >>> 0).toString(val);
  var hi_str = (this.hi >>> 0).toString(val);
  if (this.hi == 0)
   return lo_str;
  else
   lo_str = zeroFill(lo_str, 8);
  return hi_str + lo_str;
 };
 this.toPacked = function () {
  return {
   hi: this.hi,
   low: this.low
  };