flipperzero-firmware/lib/toolbox/stream/file_stream.h

#pragma once
#include <stdlib.h>
#include <storage/storage.h>
#include "stream.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * Allocate file stream
 * @return Stream* 
 */
Stream* file_stream_alloc(Storage* storage);

/**
 * Opens an existing file or create a new one.
 * @param stream pointer to file stream object.
 * @param path path to file 
 * @param access_mode access mode from FS_AccessMode 
 * @param open_mode open mode from FS_OpenMode 
 * @return success flag. You need to close the file even if the open operation failed.
 */
bool file_stream_open(
    Stream* stream,
    const char* path,
    FS_AccessMode access_mode,
    FS_OpenMode open_mode);

/**
 * Closes the file.
 * @param stream 
 * @return true 
 * @return false 
 */
bool file_stream_close(Stream* stream);

/** 
 * Retrieves the error id from the file object
 * @param stream pointer to stream object.
 * @return FS_Error error id
 */
FS_Error file_stream_get_error(Stream* stream);

#ifdef __cplusplus
}
#endif