From 4520ba5b617fca7dc80d867d2b911826f727285d Mon Sep 17 00:00:00 2001
From: Niklas Elsbrock <mail@nelsbrock.de>
Date: Tue, 13 Aug 2024 21:44:26 +0200
Subject: [PATCH] consistently use `size_t` instead of `int` for board indices

---
 tictactoe_game.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/tictactoe_game.c b/tictactoe_game.c
index fa61e0d..c0f9811 100644
--- a/tictactoe_game.c
+++ b/tictactoe_game.c
@@ -11,8 +11,8 @@ int tictactoe_game_init(ttt_game_t *game)
 {
 	game->next_turn = 'X';
 	game->winner = 0;
-	for (int x = 0; x < 3; x++) {
-		for (int y = 0; y < 3; y++) {
+	for (size_t x = 0; x < 3; x++) {
+		for (size_t y = 0; y < 3; y++) {
 			game->board[x][y] = ' ';
 		}
 	}
@@ -67,13 +67,13 @@ static char tictactoe_game_check_winner(ttt_game_t *game)
 	char winner;
 
 	// check columns
-	for (int x = 0; x < 3; x++) {
+	for (size_t x = 0; x < 3; x++) {
 		if ((winner = tictactoe_game_check_streak(game, x, 0, 0, 1)))
 			return winner;
 	}
 
 	// check rows
-	for (int y = 0; y < 3; y++) {
+	for (size_t y = 0; y < 3; y++) {
 		if ((winner = tictactoe_game_check_streak(game, 0, y, 1, 0)))
 			return winner;
 	}
@@ -88,8 +88,8 @@ static char tictactoe_game_check_winner(ttt_game_t *game)
 
 	// check for tie
 	winner = '\xFF';
-	for (int x = 0; x < 3; x++) {
-		for (int y = 0; y < 3; y++) {
+	for (size_t x = 0; x < 3; x++) {
+		for (size_t y = 0; y < 3; y++) {
 			if (game->board[x][y] == ' ') {
 				winner = 0;
 				break;
@@ -133,7 +133,7 @@ int tictactoe_game_make_turn(ttt_game_t *game, size_t x, size_t y)
  */
 int tictactoe_game_snprint(ttt_game_t *game, char *buf, size_t count)
 {
-	int pos;
+	size_t pos;
 	int ret;
 
 	pos = 0;