struct Just_load_idx
{
    unsigned char* meta_data;
    uintmax_t file_size;
    int number_of_bytes;
    int number_of_dimensions;
    int* dimensions;
    unsigned char* data;
    int number_of_objects;
    const char* filename;
    int swap_endianness;
    int free_memory_on_dtor;
    Just_load_idx() {
        meta_data = 0;
        swap_endianness = 1;
        free_memory_on_dtor = 1;
    }
    void use_regular_load()
    {
        free_memory();
        load_idx_file(filename, &meta_data, &file_size, &number_of_bytes, &number_of_dimensions, &dimensions, &data, &number_of_objects, swap_endianness);
    }
    void copy_to_destination(unsigned char* destination)
    {
        memcpy(destination, data, number_of_bytes * number_of_objects);
    }
    unsigned char* get_data(int free_mem_on_dtor)
    {
        use_regular_load();
        free_memory_on_dtor = free_mem_on_dtor;
        return data;
    }
    Just_load_idx(const char* filnam)
    {
        meta_data = 0;
        swap_endianness = 1;
        free_memory_on_dtor = 1;
        filename = filnam;
        use_regular_load();
    }
    Just_load_idx(const char* filnam, unsigned char* destination)
    {
        meta_data = 0;
        swap_endianness = 1;
        free_memory_on_dtor = 1;
        filename = filnam;
        copy_to_destination(destination);
    }
    void free_memory()
    {
        if (meta_data)
        {
            free(meta_data);
        }
    }
    ~Just_load_idx()
    {
        if (free_memory_on_dtor)
        {
            free_memory();
        }
    }
};