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ring_buffer.h
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/******************************************************************************
* BIKE -- Bit Flipping Key Encapsulation
*
* Copyright (c) 2021 Nir Drucker, Shay Gueron, Rafael Misoczki, Tobias Oder,
* Tim Gueneysu, Jan Richter-Brockmann.
* Contact: [email protected], [email protected],
*
* Permission to use this code BIKE is granted.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * The names of the contributors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ""AS IS"" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS CORPORATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
******************************************************************************/
#ifndef RING_BUFFER_H
#define RING_BUFFER_H
#include <stddef.h>
#include <stdlib.h>
#include "types.h"
ring_buffer_t rb_alloc(size_t size);
void rb_free(ring_buffer_t rb);
void rb_prepend(ring_buffer_t rb, index_t index, index_t position, int extra);
void rb_append(ring_buffer_t rb, index_t index, index_t position, int extra);
void rb_get_first(ring_buffer_t rb, index_t *index, index_t *position,
int *extra);
void rb_get(ring_buffer_t rb, size_t i, index_t *index, index_t *position,
int *extra);
void rb_remove_first(ring_buffer_t rb);
void rb_remove(ring_buffer_t rb, size_t i);
void rb_put(ring_buffer_t rb, size_t i, index_t index, index_t position,
int extra);
#endif