1 /* 2 * This file is part of the MicroPython project, http://micropython.org/ 3 * 4 * The MIT License (MIT) 5 * 6 * Copyright (c) 2019-2020 Damien P. George 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a copy 9 * of this software and associated documentation files (the "Software"), to deal 10 * in the Software without restriction, including without limitation the rights 11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 12 * copies of the Software, and to permit persons to whom the Software is 13 * furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included in 16 * all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 24 * THE SOFTWARE. 25 */ 26 #ifndef MICROPY_INCLUDED_STM32_MBOOT_GZSTREAM_H 27 #define MICROPY_INCLUDED_STM32_MBOOT_GZSTREAM_H 28 29 #include <stddef.h> 30 #include <stdint.h> 31 32 typedef int (*stream_open_t)(void *stream, const char *fname); 33 typedef void (*stream_close_t)(void *stream); 34 typedef int (*stream_read_t)(void *stream, uint8_t *buf, size_t len); 35 36 typedef struct _stream_methods_t { 37 stream_open_t open; 38 stream_close_t close; 39 stream_read_t read; 40 } stream_methods_t; 41 42 int gz_stream_init_from_raw_data(const uint8_t *data, size_t len); 43 int gz_stream_init_from_stream(void *stream_data, stream_read_t stream_read); 44 int gz_stream_read(size_t len, uint8_t *buf); 45 46 #endif // MICROPY_INCLUDED_STM32_MBOOT_GZSTREAM_H 47