dynamiclist.h

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * Contributor(s): Jiri Hnidek.
 *
 * Documentation of Two way dynamic list with access array can be found at:
 *
 * http://wiki.blender.org/bin/view.pl/Blenderwiki/DynamicListWithAccessArray
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifndef B_DYNAMIC_LIST_H
#define B_DYNAMIC_LIST_H

#define PAGE_SIZE 4

struct ListBase;

/*
 * Access array using realloc 
 */
typedef struct DynamicArray{
    unsigned int count;     /* count of items in list */
    unsigned int max_item_index;    /* max available index */
    unsigned int last_item_index;   /* max used index */
    void **items;           /* dynamicaly allocated array of pointers
                       pointing at items in list */
} DynamicArray;

/*
 * Two way dynamic list with access array
 */
typedef struct DynamicList {
    struct DynamicArray da;     /* access array */
    struct ListBase lb;     /* two way linked dynamic list */
} DynamicList;

#endif