globus_range_list.h

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/*
 * Copyright 1999-2006 University of Chicago
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef GLOBUS_RANGE_LIST_H
#define GLOBUS_RANGE_LIST_H

#include "globus_common_include.h"
/********************************************************************
 *
 * This file defines the globus_range_list_t type
 *
 *
 ********************************************************************/

#ifdef __cplusplus
extern "C" {
#endif

#define GLOBUS_RANGE_LIST_MAX -1

typedef enum
{
    GLOBUS_RANGE_LIST_ERROR_PARAMETER = -1,
    GLOBUS_RANGE_LIST_ERROR_MEMORY = -2
} globus_range_list_error_type_t;

typedef struct globus_l_range_list_s *  globus_range_list_t;


/* destructive merge of two range lists.  will leave the source range
 * lists empty.  globus_range_list_destroy() will still need to be called
 * on source lists. 
 */
int
globus_range_list_merge_destructive(
    globus_range_list_t *               dest,
    globus_range_list_t                 src1,
    globus_range_list_t                 src2);

int
globus_range_list_merge(
    globus_range_list_t *               dest,
    globus_range_list_t                 src1,
    globus_range_list_t                 src2);

int
globus_range_list_copy(
    globus_range_list_t *               dest,
    globus_range_list_t                 src);

int
globus_range_list_init(
    globus_range_list_t *               range_list);

void
globus_range_list_destroy(
    globus_range_list_t                 range_list);

int
globus_range_list_insert(
    globus_range_list_t                 range_list,
    globus_off_t                        offset,
    globus_off_t                        length);

int
globus_range_list_remove(
    globus_range_list_t                 range_list,
    globus_off_t                        offset,
    globus_off_t                        length);

int
globus_range_list_size(
    globus_range_list_t                 range_list);

int
globus_range_list_at(
    globus_range_list_t                 range_list,
    int                                 ndx,
    globus_off_t *                      offset,
    globus_off_t *                      length);

int
globus_range_list_remove_at(
    globus_range_list_t                 range_list,
    int                                 ndx,
    globus_off_t *                      offset,
    globus_off_t *                      length);

#ifdef __cplusplus
}
#endif

#endif /* GLOBUS_RANGE_LIST_H */