private void ShredderBW_DoWork(object sender, DoWorkEventArgs e)
{
if (Globalvariables.Filepath.Length == 0)
{
Log("No file open!");
}
else
{
Log("Initializing stream...");
for (int i = 0; i < Globalvariables.Passes.Count; i++)
{
byte val = Globalvariables.Passes[i];
using (FileStreamEx Wiper = new FileStreamEx(Globalvariables.Filepath, System.IO.FileMode.Open))
{
Log("Executing Pass " + (i + 1).ToString() + " - 0x" + val.ToString("X2"));
if (Globalvariables.FullBuffer)
{
byte[] buffer = new byte[Wiper.Length];
Utils.FillBuffer(ref buffer, val);
Wiper.Write(buffer);
}
if(Globalvariables.CustomBuffer)
{
int Blocksize = Globalvariables.BufferSize;
long Progress = 0;
byte[] buffer = new byte[Blocksize];
Utils.FillBuffer(ref buffer, val);
while (Progress < Wiper.Length)
{
if ((Progress + Blocksize) <= Wiper.Length)
{
Wiper.Write(buffer);
Progress += Blocksize;
}
else
{
int Remaining = (int)(Wiper.Length - Progress);
byte[] FinalBlock = new byte[Remaining];
Utils.FillBuffer(ref FinalBlock, val);
Wiper.Write(FinalBlock);
Progress += Remaining;
}
}
}
if (Globalvariables.OneByte)
{
while (!Wiper.eof())
{
Wiper.Write(val);
}
}
}
}
}
}
