range_list.h

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/*
 * Copyright (C) 2008-2010 Timothy D. Morgan
 *
 * 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; version 3 of the License.
 * 
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.  
 *
 * $Id: range_list.h 253 2011-06-13 02:27:42Z tim $
 */

#ifndef _RANGE_LIST_H
#define _RANGE_LIST_H

#include <stdlib.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <math.h>
#include <talloc.h>

#include "compat.h"

typedef struct _range_list_element
{
  uint32_t offset;
  uint32_t length;
  void* data;
} range_list_element;


typedef struct _range_list
{
  range_list_element** elements;
  uint32_t elem_alloced;
  uint32_t size;
} range_list;


_EXPORT()
range_list* range_list_new();


_EXPORT()
void range_list_free(range_list* rl);


_EXPORT()
uint32_t range_list_size(const range_list* rl);


_EXPORT()
bool range_list_add(range_list* rl, uint32_t offset, uint32_t length, void* data);


_EXPORT()
bool range_list_remove(range_list* rl, uint32_t index);


_EXPORT()
const range_list_element* range_list_get(const range_list* rl, uint32_t index);


_EXPORT()
int32_t range_list_find(const range_list* rl, uint32_t offset);


_EXPORT()
void* range_list_find_data(const range_list* rl, uint32_t offset);


_EXPORT()
bool range_list_split_element(range_list* rl, uint32_t index, uint32_t offset);


_EXPORT()
bool range_list_has_range(range_list* rl, uint32_t start, uint32_t length);

#endif