Small adjustments

puissance4.c

@@ -24,7 +24,7 @@ bool validate_arguments(char const* argv[], int* game_mode, int* row_count, int*
 int main(int argc, char const* argv[]) {
     if (argc != 4) {
         print_usage(argv[0]);
-        return false;
+        return EXIT_FAILURE;
     }
 
     int game_mode, row_count, col_count;

src/board/board.c

@@ -19,13 +19,10 @@ int destroy_board(int rows, int** board) {
 void print_board(int rows, int cols, int** board) {
     for (int row = -1; row <= rows; row++) {
         if (row == -1) {
-            // Top border of the board
             printf("\n┌");
         } else if (row == rows) {
-            // Bottom border of the board
             printf("└");
         } else {
-            // Print left vertical border
             printf("│");
         }
 

src/board/test_board.h

 #ifndef _TEST_BOARD_H_
 #define _TEST_BOARD_H_
 
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <string.h>
+
 #include "board.h"
 #include "../test_puissance4.h"
 

src/computer/test_computer.h

 #ifndef _TEST_COMPUTER_H_
 #define _TEST_COMPUTER_H_
 
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <string.h>
+
 #include "computer.h"
 #include "../game/game.h"
 #include "../test_puissance4.h"

src/game/game.h

-#ifndef _GAME_H
-#define _GAME_H
+#ifndef _GAME_H_
+#define _GAME_H_
 
 #include <stdbool.h>
 #include <stdio.h>

src/game/test_game.h

 #ifndef _TEST_GAME_H_
 #define _TEST_GAME_H_
 
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <string.h>
+
 #include "game.h"
 #include "../computer/computer.h"
 #include "../test_puissance4.h"