C++ (Cpp) duplicate_device_path Exemples

Exemple #1

Fichier : efidisk.c Projet : jnbek/grub2-fedora

/* Find the parent device.  */
static struct grub_efidisk_data *
find_parent_device (struct grub_efidisk_data *devices,
		    struct grub_efidisk_data *d)
{
  grub_efi_device_path_t *dp, *ldp;
  struct grub_efidisk_data *parent;

  dp = duplicate_device_path (d->device_path);
  if (! dp)
    return 0;

  ldp = find_last_device_path (dp);
  ldp->type = GRUB_EFI_END_DEVICE_PATH_TYPE;
  ldp->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;
  ldp->length[0] = sizeof (*ldp);
  ldp->length[1] = 0;

  for (parent = devices; parent; parent = parent->next)
    {
      /* Ignore itself.  */
      if (parent == d)
	continue;

      if (grub_efi_compare_device_paths (parent->device_path, dp) == 0)
	break;
    }

  grub_free (dp);
  return parent;
}

Exemple #2

Fichier : efidisk.c Projet : DarkPostal/grub2

static int
iterate_child_devices (struct grub_efidisk_data *devices,
		       struct grub_efidisk_data *d,
		       int (*hook) (struct grub_efidisk_data *child))
{
  struct grub_efidisk_data *p;
  
  for (p = devices; p; p = p->next)
    {
      grub_efi_device_path_t *dp, *ldp;

      dp = duplicate_device_path (p->device_path);
      if (! dp)
	return 0;
      
      ldp = find_last_device_path (dp);
      ldp->type = GRUB_EFI_END_DEVICE_PATH_TYPE;
      ldp->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;
      ldp->length[0] = sizeof (*ldp);
      ldp->length[1] = 0;
      
      if (compare_device_paths (dp, d->device_path) == 0)
	if (hook (p))
	  {
	    grub_free (dp);
	    return 1;
	  }

      grub_free (dp);
    }

  return 0;
}

Exemple #3

Fichier : efidisk.c Projet : jnbek/grub2-fedora

static int
is_child (struct grub_efidisk_data *child,
	  struct grub_efidisk_data *parent)
{
  grub_efi_device_path_t *dp, *ldp;
  int ret;

  dp = duplicate_device_path (child->device_path);
  if (! dp)
    return 0;

  ldp = find_last_device_path (dp);
  ldp->type = GRUB_EFI_END_DEVICE_PATH_TYPE;
  ldp->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;
  ldp->length[0] = sizeof (*ldp);
  ldp->length[1] = 0;

  ret = (grub_efi_compare_device_paths (dp, parent->device_path) == 0);
  grub_free (dp);
  return ret;
}