#include "binding.h"
#include <stdio.h>


int has_key(uint64_t keys[static KEYS_SIZE], int code)
{
	return (keys[code/64] & 1ULL << code % 64) > 0;
}

void set_key(uint64_t keys[static KEYS_SIZE], int code)
{
	keys[code/64] |= 1ULL << (code % 64);
}

void clear_key(uint64_t keys[static KEYS_SIZE], int code)
{
	keys[code/64] &= ~(1ULL << code % 64);
}

int is_keys_subset_of(uint64_t a[static KEYS_SIZE], uint64_t b[static KEYS_SIZE])
{
	for (size_t i = 0; i < KEYS_SIZE; i++)
	{
		if ((a[i] & b[i]) != a[i])
		{
			return 0;
		}
	}
	return 1;
}

void print_keys(uint64_t keys[static KEYS_SIZE])
{
	for (size_t i = 0; i < KEYS_SIZE; i++)
	{
		for (size_t j = 0; j < 64; j++)
		{
			if (keys[i] & 1ULL<<j)
			{
				printf("%d ", i * 64 + j);
			}
		}
	}
	putchar('\n');
}