libdivecomputer/src/iterator.c
2012-06-21 21:42:37 +02:00

53 lines
1.4 KiB
C

/*
* libdivecomputer
*
* Copyright (C) 2012 Jef Driesen
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include <stddef.h>
#include <stdlib.h>
#include "iterator-private.h"
dc_status_t
dc_iterator_next (dc_iterator_t *iterator, void *item)
{
if (iterator == NULL)
return DC_STATUS_UNSUPPORTED;
if (iterator->vtable->next == NULL)
return DC_STATUS_UNSUPPORTED;
if (item == NULL)
return DC_STATUS_INVALIDARGS;
return iterator->vtable->next (iterator, item);
}
dc_status_t
dc_iterator_free (dc_iterator_t *iterator)
{
if (iterator == NULL)
return DC_STATUS_SUCCESS;
if (iterator->vtable->free == NULL)
return DC_STATUS_UNSUPPORTED;
return iterator->vtable->free (iterator);
}