C++ (Cpp) _dbus_list_remove_link Exemples

Exemple #1

Fichier : dbus-list.c Projet : jameshilliard/WECB-BH-GPL

/**
 * Removes the last value in the list and returns it.  This is a
 * constant-time operation.
 *
 * @param list address of the list head.
 * @returns the last data in the list, or #NULL for an empty list.
 */
void*
_dbus_list_pop_last (DBusList **list)
{
  DBusList *link;
  void *data;
  
  link = _dbus_list_get_last_link (list);
  if (link == NULL)
    return NULL;
  
  data = link->data;
  _dbus_list_remove_link (list, link);

  return data;
}

Exemple #2

Fichier : dbus-list.c Projet : jameshilliard/WECB-BH-GPL

/**
 * Removes a value from the list. Only removes the
 * last value equal to the given data pointer,
 * even if multiple values exist which match.
 * This is a linear-time operation.
 *
 * @param list address of the list head.
 * @param data the value to remove.
 * @returns #TRUE if a value was found to remove.
 */
dbus_bool_t
_dbus_list_remove_last (DBusList **list,
                        void      *data)
{
  DBusList *link;

  link = _dbus_list_find_last (list, data);
  if (link)
    {
      _dbus_list_remove_link (list, link);
      return TRUE;
    }
  else
    return FALSE;
}

Exemple #3

Fichier : dbus-list.c Projet : jameshilliard/WECB-BH-GPL

/**
 * Removes a value from the list. Only removes the
 * first value equal to the given data pointer,
 * even if multiple values exist which match.
 * This is a linear-time operation.
 *
 * @param list address of the list head.
 * @param data the value to remove.
 * @returns #TRUE if a value was found to remove.
 */
dbus_bool_t
_dbus_list_remove (DBusList **list,
                   void      *data)
{
  DBusList *link;

  link = *list;
  while (link != NULL)
    {
      if (link->data == data)
        {
          _dbus_list_remove_link (list, link);
          return TRUE;
        }
      
      link = _dbus_list_get_next_link (list, link);
    }

  return FALSE;
}

Exemple #4

Fichier : dbus-mainloop.c Projet : scottt/dbus-vmci

static void
remove_callback (DBusLoop  *loop,
                 DBusList *link)
{
    Callback *cb = link->data;

    switch (cb->type)
    {
    case CALLBACK_WATCH:
        loop->watch_count -= 1;
        break;
    case CALLBACK_TIMEOUT:
        loop->timeout_count -= 1;
        break;
    }

    callback_unref (cb);
    _dbus_list_remove_link (&loop->callbacks, link);
    loop->callback_list_serial += 1;
}

Exemple #5

Fichier : dbus-list.c Projet : jameshilliard/WECB-BH-GPL

/**
 * @ingroup DBusListInternals
 * Unit test for DBusList
 * @returns #TRUE on success.
 */
dbus_bool_t
_dbus_list_test (void)
{
  DBusList *list1;
  DBusList *list2;
  DBusList *link1;
  DBusList *link2;
  DBusList *copy1;
  DBusList *copy2;
  int i;
  
  list1 = NULL;
  list2 = NULL;

  /* Test append and prepend */
  
  i = 0;
  while (i < 10)
    {
      if (!_dbus_list_append (&list1, _DBUS_INT_TO_POINTER (i)))
        _dbus_assert_not_reached ("could not allocate for append");
      
      if (!_dbus_list_prepend (&list2, _DBUS_INT_TO_POINTER (i)))
        _dbus_assert_not_reached ("count not allocate for prepend");
      ++i;

      verify_list (&list1);
      verify_list (&list2);
      
      _dbus_assert (_dbus_list_get_length (&list1) == i);
      _dbus_assert (_dbus_list_get_length (&list2) == i);
    }

  _dbus_assert (is_ascending_sequence (&list1));
  _dbus_assert (is_descending_sequence (&list2));

  /* Test list clear */
  _dbus_list_clear (&list1);
  _dbus_list_clear (&list2);

  verify_list (&list1);
  verify_list (&list2);

  /* Test get_first, get_last, pop_first, pop_last */
  
  i = 0;
  while (i < 10)
    {
      _dbus_list_append (&list1, _DBUS_INT_TO_POINTER (i));
      _dbus_list_prepend (&list2, _DBUS_INT_TO_POINTER (i));
      ++i;
    }

  --i;
  while (i >= 0)
    {
      void *got_data1;
      void *got_data2;
      
      void *data1;
      void *data2;

      got_data1 = _dbus_list_get_last (&list1);
      got_data2 = _dbus_list_get_first (&list2);
      
      data1 = _dbus_list_pop_last (&list1);
      data2 = _dbus_list_pop_first (&list2);

      _dbus_assert (got_data1 == data1);
      _dbus_assert (got_data2 == data2);
      
      _dbus_assert (_DBUS_POINTER_TO_INT (data1) == i);
      _dbus_assert (_DBUS_POINTER_TO_INT (data2) == i);

      verify_list (&list1);
      verify_list (&list2);

      _dbus_assert (is_ascending_sequence (&list1));
      _dbus_assert (is_descending_sequence (&list2));
      
      --i;
    }

  _dbus_assert (list1 == NULL);
  _dbus_assert (list2 == NULL);

  /* Test get_first_link, get_last_link, pop_first_link, pop_last_link */
  
  i = 0;
  while (i < 10)
    {
      _dbus_list_append (&list1, _DBUS_INT_TO_POINTER (i));
      _dbus_list_prepend (&list2, _DBUS_INT_TO_POINTER (i));
      ++i;
    }

  --i;
  while (i >= 0)
    {
      DBusList *got_link1;
      DBusList *got_link2;

      DBusList *link1;
      DBusList *link2;
      
      void *data1;
      void *data2;
      
      got_link1 = _dbus_list_get_last_link (&list1);
      got_link2 = _dbus_list_get_first_link (&list2);
      
      link1 = _dbus_list_pop_last_link (&list1);
      link2 = _dbus_list_pop_first_link (&list2);

      _dbus_assert (got_link1 == link1);
      _dbus_assert (got_link2 == link2);

      data1 = link1->data;
      data2 = link2->data;

      _dbus_list_free_link (link1);
      _dbus_list_free_link (link2);
      
      _dbus_assert (_DBUS_POINTER_TO_INT (data1) == i);
      _dbus_assert (_DBUS_POINTER_TO_INT (data2) == i);

      verify_list (&list1);
      verify_list (&list2);

      _dbus_assert (is_ascending_sequence (&list1));
      _dbus_assert (is_descending_sequence (&list2));
      
      --i;
    }

  _dbus_assert (list1 == NULL);
  _dbus_assert (list2 == NULL);
  
  /* Test iteration */
  
  i = 0;
  while (i < 10)
    {
      _dbus_list_append (&list1, _DBUS_INT_TO_POINTER (i));
      _dbus_list_prepend (&list2, _DBUS_INT_TO_POINTER (i));
      ++i;

      verify_list (&list1);
      verify_list (&list2);
      
      _dbus_assert (_dbus_list_get_length (&list1) == i);
      _dbus_assert (_dbus_list_get_length (&list2) == i);
    }

  _dbus_assert (is_ascending_sequence (&list1));
  _dbus_assert (is_descending_sequence (&list2));

  --i;
  link2 = _dbus_list_get_first_link (&list2);
  while (link2 != NULL)
    {
      verify_list (&link2); /* pretend this link is the head */
      
      _dbus_assert (_DBUS_POINTER_TO_INT (link2->data) == i);
      
      link2 = _dbus_list_get_next_link (&list2, link2);
      --i;
    }

  i = 0;
  link1 = _dbus_list_get_first_link (&list1);
  while (link1 != NULL)
    {
      verify_list (&link1); /* pretend this link is the head */
      
      _dbus_assert (_DBUS_POINTER_TO_INT (link1->data) == i);
      
      link1 = _dbus_list_get_next_link (&list1, link1);
      ++i;
    }

  --i;
  link1 = _dbus_list_get_last_link (&list1);
  while (link1 != NULL)
    {
      verify_list (&link1); /* pretend this link is the head */

      _dbus_assert (_DBUS_POINTER_TO_INT (link1->data) == i);
      
      link1 = _dbus_list_get_prev_link (&list1, link1);
      --i;
    }

  _dbus_list_clear (&list1);
  _dbus_list_clear (&list2);

  /* Test remove */
  
  i = 0;
  while (i < 10)
    {
      _dbus_list_append (&list1, _DBUS_INT_TO_POINTER (i));
      _dbus_list_prepend (&list2, _DBUS_INT_TO_POINTER (i));
      ++i;
    }

  --i;
  while (i >= 0)
    {
      if ((i % 2) == 0)
        {
          if (!_dbus_list_remove (&list1, _DBUS_INT_TO_POINTER (i)))
            _dbus_assert_not_reached ("element should have been in list");
          if (!_dbus_list_remove (&list2, _DBUS_INT_TO_POINTER (i)))
            _dbus_assert_not_reached ("element should have been in list");

          verify_list (&list1);
          verify_list (&list2);
        }
      --i;
    }

  _dbus_assert (all_odd_values (&list1));
  _dbus_assert (all_odd_values (&list2));

  _dbus_list_clear (&list1);
  _dbus_list_clear (&list2);

  /* test removing the other half of the elements */
  
  i = 0;
  while (i < 10)
    {
      _dbus_list_append (&list1, _DBUS_INT_TO_POINTER (i));
      _dbus_list_prepend (&list2, _DBUS_INT_TO_POINTER (i));
      ++i;
    }

  --i;
  while (i >= 0)
    {
      if ((i % 2) != 0)
        {
          if (!_dbus_list_remove (&list1, _DBUS_INT_TO_POINTER (i)))
            _dbus_assert_not_reached ("element should have been in list");
          if (!_dbus_list_remove (&list2, _DBUS_INT_TO_POINTER (i)))
            _dbus_assert_not_reached ("element should have been in list");

          verify_list (&list1);
          verify_list (&list2);
        }
      --i;
    }

  _dbus_assert (all_even_values (&list1));
  _dbus_assert (all_even_values (&list2));

  /* clear list using remove_link */
  while (list1 != NULL)
    {
      _dbus_list_remove_link (&list1, list1);
      verify_list (&list1);
    }
  while (list2 != NULL)
    {
      _dbus_list_remove_link (&list2, list2);
      verify_list (&list2);
    }

  /* Test remove link more generally */
  i = 0;
  while (i < 10)
    {
      _dbus_list_append (&list1, _DBUS_INT_TO_POINTER (i));
      _dbus_list_prepend (&list2, _DBUS_INT_TO_POINTER (i));
      ++i;
    }

  --i;
  link2 = _dbus_list_get_first_link (&list2);
  while (link2 != NULL)
    {
      DBusList *next = _dbus_list_get_next_link (&list2, link2);
      
      _dbus_assert (_DBUS_POINTER_TO_INT (link2->data) == i);

      if ((i % 2) == 0)
        _dbus_list_remove_link (&list2, link2);

      verify_list (&list2);
      
      link2 = next;
      --i;
    }

  _dbus_assert (all_odd_values (&list2));  
  _dbus_list_clear (&list2);
  
  i = 0;
  link1 = _dbus_list_get_first_link (&list1);
  while (link1 != NULL)
    {
      DBusList *next = _dbus_list_get_next_link (&list1, link1);

      _dbus_assert (_DBUS_POINTER_TO_INT (link1->data) == i);

      if ((i % 2) != 0)
        _dbus_list_remove_link (&list1, link1);

      verify_list (&list1);
      
      link1 = next;
      ++i;
    }

  _dbus_assert (all_even_values (&list1));
  _dbus_list_clear (&list1);

  /* Test copying a list */
  i = 0;
  while (i < 10)
    {
      _dbus_list_append (&list1, _DBUS_INT_TO_POINTER (i));
      _dbus_list_prepend (&list2, _DBUS_INT_TO_POINTER (i));
      ++i;
    }

  /* bad pointers, because they are allowed in the copy dest */
  copy1 = _DBUS_INT_TO_POINTER (0x342234);
  copy2 = _DBUS_INT_TO_POINTER (23);
  
  _dbus_list_copy (&list1, &copy1);
  verify_list (&list1);
  verify_list (&copy1);
  _dbus_assert (lists_equal (&list1, &copy1));
  
  _dbus_list_copy (&list2, &copy2);
  verify_list (&list2);
  verify_list (&copy2);
  _dbus_assert (lists_equal (&list2, &copy2));

  /* Now test copying empty lists */
  _dbus_list_clear (&list1);
  _dbus_list_clear (&list2);
  _dbus_list_clear (&copy1);
  _dbus_list_clear (&copy2);
  
  /* bad pointers, because they are allowed in the copy dest */
  copy1 = _DBUS_INT_TO_POINTER (0x342234);
  copy2 = _DBUS_INT_TO_POINTER (23);
  
  _dbus_list_copy (&list1, &copy1);
  verify_list (&list1);
  verify_list (&copy1);
  _dbus_assert (lists_equal (&list1, &copy1));
  
  _dbus_list_copy (&list2, &copy2);
  verify_list (&list2);
  verify_list (&copy2);
  _dbus_assert (lists_equal (&list2, &copy2));

  _dbus_list_clear (&list1);
  _dbus_list_clear (&list2);
  
  /* insert_before on empty list */
  _dbus_list_insert_before (&list1, NULL,
                            _DBUS_INT_TO_POINTER (0));
  verify_list (&list1);

  /* inserting before first element */
  _dbus_list_insert_before (&list1, list1,
                            _DBUS_INT_TO_POINTER (2));
  verify_list (&list1);
  _dbus_assert (is_descending_sequence (&list1));

  /* inserting in the middle */
  _dbus_list_insert_before (&list1, list1->next,
                            _DBUS_INT_TO_POINTER (1));
  verify_list (&list1);
  _dbus_assert (is_descending_sequence (&list1));  

  /* using insert_before to append */
  _dbus_list_insert_before (&list1, NULL,
                            _DBUS_INT_TO_POINTER (-1));
  verify_list (&list1);
  _dbus_assert (is_descending_sequence (&list1));
  
  _dbus_list_clear (&list1);

  /* insert_after on empty list */
  _dbus_list_insert_after (&list1, NULL,
                           _DBUS_INT_TO_POINTER (0));
  verify_list (&list1);

  /* inserting after first element */
  _dbus_list_insert_after (&list1, list1,
                           _DBUS_INT_TO_POINTER (1));
  verify_list (&list1);
  _dbus_assert (is_ascending_sequence (&list1));

  /* inserting at the end */
  _dbus_list_insert_after (&list1, list1->next,
                           _DBUS_INT_TO_POINTER (2));
  verify_list (&list1);
  _dbus_assert (is_ascending_sequence (&list1));

  /* using insert_after to prepend */
  _dbus_list_insert_after (&list1, NULL,
                           _DBUS_INT_TO_POINTER (-1));
  verify_list (&list1);
  _dbus_assert (is_ascending_sequence (&list1));
  
  _dbus_list_clear (&list1);

  /* using remove_last */
  _dbus_list_append (&list1, _DBUS_INT_TO_POINTER (2));
  _dbus_list_append (&list1, _DBUS_INT_TO_POINTER (1));
  _dbus_list_append (&list1, _DBUS_INT_TO_POINTER (3));

  _dbus_list_remove_last (&list1, _DBUS_INT_TO_POINTER (2));
  
  verify_list (&list1);
  _dbus_assert (is_ascending_sequence (&list1));
  
  _dbus_list_clear (&list1);
  
  return TRUE;
}

Exemple #6

Fichier : expirelist.c Projet : 520lly/platform_external_dbus

void
bus_expire_list_remove_link (BusExpireList *list,
                             DBusList      *link)
{
  _dbus_list_remove_link (&list->items, link);
}