arm-crypto-lib/test_src/circularbytebuffer.h

59 lines
1.9 KiB
C

/* circularbytebuffer.h */
/*
This file is part of the ARM-circularbytebuffer.
Copyright (C) 2009 Daniel Otte (daniel.otte@rub.de)
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 3 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, see <http://www.gnu.org/licenses/>.
*/
/**
* \file circularbytebuffer.h
* \email daniel.otte@rub.de
* \author Daniel Otte
* \date 2009-07-24
* \license GPLv3 or later
* \ingroup circularbytebuffer
* \brief declaration for circular byte buffer
*/
#ifndef CIRCULARBYTEBUFFER_H_
#define CIRCULARBYTEBUFFER_H_
#include <stdint.h>
#include <stdlib.h>
typedef struct {
uint32_t buffer_size;
uint32_t fillcount;
uint8_t* buffer;
uint8_t* head;
uint8_t* tail;
uint8_t* top;
} circularbytebuffer_t;
#if CIRCULARBYTEBUFFER_NO_MALLOC==0
uint8_t circularbytebuffer_init(uint32_t buffersize, circularbytebuffer_t* cb);
#endif
#if CIRCULARBYTEBUFFER_NO_INIT2==0
void circularbytebuffer_init2(uint32_t buffersize, circularbytebuffer_t* cb, void* buffer);
#endif
uint16_t circularbytebuffer_get_lifo(circularbytebuffer_t* cb);
uint16_t circularbytebuffer_get_fifo(circularbytebuffer_t* cb);
uint8_t circularbytebuffer_append(uint8_t, circularbytebuffer_t* cb);
uint8_t circularbytebuffer_push(uint8_t, circularbytebuffer_t* cb);
uint32_t circularbytebuffer_cnt(circularbytebuffer_t* cb);
void circularbytebuffer_free(circularbytebuffer_t* cb);
#endif /* CIRCULARBYTEBUFFER_H_ */