--- /dev/null
+#include <stdlib.h>
+#include <stdio.h>
+#include "tick.h"
+
+int gol_tick(struct gol_board *state)
+{
+ struct gol_board tmp_state;
+ tmp_state = (struct gol_board ) {
+ .live_cells = malloc(10 * sizeof(typeof(*tmp_state.live_cells))),
+ .n = 0,
+ .size = 10,
+ .max_x = 0,
+ .min_x = 0,
+ .max_y = 0,
+ .min_y = 0
+ };
+ if (!tmp_state.live_cells) {
+ return 0;
+ }
+ unsigned char n_live_adj;
+ for (int i = state->min_x; i < state->max_x; ++i) {
+ for (int j = state->min_y; j < state->max_y; ++j) {
+ n_live_adj = gol_is_live(state, i - 1, j - 1) +
+ gol_is_live(state, i, j - 1) +
+ gol_is_live(state, i + 1, j - 1) +
+ gol_is_live(state, i - 1, j) +
+ gol_is_live(state, i + 1, j) +
+ gol_is_live(state, i - 1 , j + 1) +
+ gol_is_live(state, i, j + 1) +
+ gol_is_live(state, i + 1, j + 1);
+
+ switch (n_live_adj) {
+ case (3):
+ gol_vivify(&tmp_state, i, j);
+ break;
+ case(2):
+ if (gol_is_live(state, i, j)) {
+ gol_vivify(&tmp_state, i, j);
+ }
+ default:
+ break;
+ }
+
+ }
+ }
+ free(state->live_cells);
+ *state = tmp_state;
+ return 1;
+}