Fan.Sys.MemBuf.grow C# (CSharp) Method

        public void grow(int capacity)
        {
            if (m_buf.Length >= capacity) return;
              byte[] temp = new byte[Math.Max(capacity, m_size*2)];
              System.Array.Copy(m_buf, 0, temp, 0, m_size);
              m_buf = temp;
        }

 public override sealed OutStream w(int v)
 {
     if (p.m_pos + 1 >= p.m_buf.Length)
     {
         p.grow(p.m_pos + 1);
     }
     p.m_buf[p.m_pos++] = (byte)v;
     if (p.m_pos > p.m_size)
     {
         p.m_size = p.m_pos;
     }
     return(this);
 }