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https://github.com/DarkFlippers/unleashed-firmware
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8ec1c74baf
* SavedStruct: Replace saved_struct_get_payload_size with saved_struct_get_metadata This new function can obtain the magic value, version and payload size all at once. This makes the function useful e.g. for backwards compatibility. * SavedStruct: const-qualify saved_struct_save * Toolbox: add saved struct documentation Co-authored-by: あく <alleteam@gmail.com>
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/**
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* @file saved_struct.h
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* @brief SavedStruct - data serialization/de-serialization
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*
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*/
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Load data from the file in saved structure format
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*
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* @param[in] path The path to the file
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* @param[out] data Pointer to the memory where to load data
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* @param[in] size The size of the data
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* @param[in] magic The magic to embed into metadata
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* @param[in] version The version to embed into metadata
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*
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* @return true on success, false otherwise
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*/
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bool saved_struct_load(const char* path, void* data, size_t size, uint8_t magic, uint8_t version);
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/** Save data in saved structure format
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*
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* @param[in] path The path to the file
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* @param[in] data Pointer to the memory where data
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* @param[in] size The size of the data
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* @param[in] magic The magic to embed into metadata
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* @param[in] version The version to embed into metadata
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*
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* @return true on success, false otherwise
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*/
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bool saved_struct_save(
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const char* path,
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const void* data,
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size_t size,
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uint8_t magic,
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uint8_t version);
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/** Get SavedStructure file metadata
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*
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* @param[in] path The path to the file
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* @param[out] magic Pointer to store magic or NULL if you don't need it
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* @param[out] version Pointer to store version or NULL if you don't need
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* it
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* @param[out] payload_size Pointer to store payload size or NULL if you don't
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* need it
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*
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* @return true on success, false otherwise
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*/
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bool saved_struct_get_metadata(
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const char* path,
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uint8_t* magic,
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uint8_t* version,
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size_t* payload_size);
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#ifdef __cplusplus
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}
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#endif
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