/*
 * Common code for two versions of game-of-life program:
 *
 * Function definitions
 * 
 * See game-of-life-util.h for comments explaining what these 
 * functions are supposed to do.
 */
#include <stdio.h>
#include <stdlib.h>

#include "game-of-life-util.h"

bool **build2D(long size) {
	bool *data = malloc(size * size * sizeof(data[0]));
	if (data == NULL) {
		fprintf(stderr, 
			"unable to allocate space for board of size %ld\n",
			size);
		return NULL;
	}
	bool **array2D = malloc(size * sizeof(array2D[0]));
	if (array2D == NULL) {
		fprintf(stderr, 
			"unable to allocate space for board of size %ld\n",
			size);
		return NULL;
	}
	for (long r = 0; r < size; ++r) {
		array2D[r] = &data[r*size];
	}
	return array2D;
}

void free2D(long size, bool **array2D) {
	bool *data = array2D[0];
	free(data);
	free(array2D);
}

void update_board(long size, bool **old_board, bool **new_board) {
	/* FIXME your code goes here */
}

void print_board(long size, bool **board) {
	for (long i = 0; i < size; ++i) {
		for (long j = 0; j < size; ++j) {
			if (board[i][j]) 
				printf("1 ");
			else
				printf(". ");
		}
		putchar('\n');
	}
}