circuitpython/ports/stm32/mboot/gzstream.h

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019-2020 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MICROPY_INCLUDED_STM32_MBOOT_GZSTREAM_H
#define MICROPY_INCLUDED_STM32_MBOOT_GZSTREAM_H
#include <stddef.h>
#include <stdint.h>
typedef int (*stream_open_t)(void *stream, const char *fname);
typedef void (*stream_close_t)(void *stream);
typedef int (*stream_read_t)(void *stream, uint8_t *buf, size_t len);
typedef struct _stream_methods_t {
stream_open_t open;
stream_close_t close;
stream_read_t read;
} stream_methods_t;
int gz_stream_init_from_raw_data(const uint8_t *data, size_t len);
int gz_stream_init_from_stream(void *stream_data, stream_read_t stream_read);
int gz_stream_read(size_t len, uint8_t *buf);
#endif // MICROPY_INCLUDED_STM32_MBOOT_GZSTREAM_H