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/*
* Ouroboros - Copyright (C) 2016
*
* Data Unit Buffer
*
* Dimitri Staessens <dimitri.staessens@intec.ugent.be>
* Sander Vrijders <sander.vrijders@intec.ugent.be>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef OUROBOROS_DU_BUFF_H
#define OUROBOROS_DU_BUFF_H
#include "common.h"
#include "list.h"
struct du_buff;
typedef struct du_buff du_buff_t;
du_buff_t * du_buff_create(size_t size);
void du_buff_destroy(du_buff_t * dub);
int du_buff_init(du_buff_t * dub,
size_t start,
uint8_t * data,
size_t len);
uint8_t * du_buff_data_ptr_start(du_buff_t * dub);
uint8_t * du_buff_data_ptr_end(du_buff_t * dub);
int du_buff_head_alloc(du_buff_t * dub, size_t size);
int du_buff_tail_alloc(du_buff_t * dub, size_t size);
int du_buff_head_release(du_buff_t * dub, size_t size);
int du_buff_tail_release(du_buff_t * dub, size_t size);
#endif /* OUROBOROS_DU_BUFF_H */
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