#include "project.h"




void
new (DISK * d)
{
  uint8_t buf[SECTOR_SIZE];

  MBR m;
  GPT_header h, alt_h;
  GPT_entry e = { 0 };
  GUID disk_guid;
  uint64_t lbas;
  int n;

  lbas = disk_lbas (d);

  disk_guid = guid_random ();

  m = mbr_new (lbas);
  memcpy (buf, &m, sizeof (m));
  disk_write (d, buf, 0, 1);

  h = header_new (disk_guid, lbas, 0);
  alt_h = header_new (disk_guid, lbas, 1);

  for (n = 0; n < h.n_partition_entries; ++n)
    {
      entry_write (d, &h, n, &e);
      entry_write (d, &alt_h, n, &e);
    }

  h.partition_entry_crc = header_calc_ent_crc (d, &h);
  alt_h.partition_entry_crc = header_calc_ent_crc (d, &alt_h);

  header_calc_crc (&h);
  header_calc_crc (&alt_h);

  memcpy (buf, &h, sizeof (h));
  disk_write (d, buf, h.my_lba, 1);

  memcpy (buf, &alt_h, sizeof (alt_h));
  disk_write (d, buf, alt_h.my_lba, 1);

}