#ifndef IO_H
#define IO_H

#define PAGE_SIZE 512
#define PAGE_NONE 0 

#include <stdio.h>
#include <inttypes.h>

typedef struct {
    FILE* file;

    char*  filename;
    size_t page_size;

    void*  buffer;
} file_t;

typedef uint64_t page_t;
typedef uint64_t offset_t;

file_t* file_open(const char* filename, const char* mode, size_t page_size);
void file_close(file_t* file);

size_t file_read(file_t* file, unsigned block, void* buffer, size_t size);
size_t file_write(file_t* file, unsigned block, const void* buffer, size_t size);

#endif