#include "project.h"

void
entry_write (DISK * d, GPT_header * h, int n, GPT_entry * e)
{
  uint8_t buf[SECTOR_SIZE];
  uint64_t lba = GPT_ENTRY_LBA (h, n);

  disk_read (d, buf, lba, 1);
  memcpy (&buf[GPT_ENTRY_OFFSET (h, n)], e, sizeof (*e));
  disk_write (d, buf, lba, 1);
}

GPT_entry
entry_read (DISK * d, GPT_header * h, int n)
{
  uint8_t buf[SECTOR_SIZE];
  GPT_entry e;

  disk_read (d, buf, GPT_ENTRY_LBA (h, n), 1);
  memcpy (&e, &buf[GPT_ENTRY_OFFSET (h, n)], sizeof (e));
  return e;
}


int
entry_empty (GPT_entry * e)
{
  GUID empty = GUID_TYPE_EMPTY;
  return !guid_cmp (&e->type, &empty);
}

void
entry_show (GPT_entry * e)
{
  char name[sizeof (e->name) + 1];

  utf16_to_ascii (e->name, sizeof (e->name), name, sizeof (name));


  printf ("        Name %s\n", name);
  printf ("        Flags %16x         Label %s\n", (int) e->flags,
          guid_to_a (e->label));
  printf ("        Start %10lld End %10lld Type %s\n", (long long) e->start,
          (long long) e->end, guid_to_a (e->type));

}