ESP32_Project/libraries/ESP32QRCodeReader_Page_original/collections.h

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2024-02-07 10:25:05 +00:00
/* This file is part of the OpenMV project.
* Copyright (c) 2013-2017 Ibrahim Abdelkader <iabdalkader@openmv.io> & Kwabena W. Agyeman <kwagyeman@openmv.io>
* This work is licensed under the MIT license, see the file LICENSE for details.
*/
#ifndef __COLLECTIONS_H__
#define __COLLECTIONS_H__
#include <stdbool.h>
#include <stddef.h>
//////////
// lifo //
//////////
typedef struct lifo
{
size_t len, size, data_len;
char *data;
}
__attribute__((aligned(8))) lifo_t;
void lifo_alloc(lifo_t *ptr, size_t size, size_t data_len);
void lifo_alloc_all(lifo_t *ptr, size_t *size, size_t data_len);
void lifo_free(lifo_t *ptr);
void lifo_clear(lifo_t *ptr);
size_t lifo_size(lifo_t *ptr);
bool lifo_is_not_empty(lifo_t *ptr);
bool lifo_is_not_full(lifo_t *ptr);
void lifo_enqueue(lifo_t *ptr, void *data);
void lifo_dequeue(lifo_t *ptr, void *data);
void lifo_poke(lifo_t *ptr, void *data);
void lifo_peek(lifo_t *ptr, void *data);
#endif /* __COLLECTIONS_H__ */