fixed format

main.c

@@ -11,7 +11,7 @@
 #define BOLDRED "\033[1m\033[31m"     /* Bold RED */
 #define BOLDWHITE "\033[1m\033[37m"   /* Bold White */
 #define BOLDMAGENTA "\033[1m\033[35m" /* Bold Magenta */
-#define RESET       "\033[0m"
+#define RESET "\033[0m"               /* Reset colour */
 
 char board[ROWS][COLUMNS];
 
@@ -22,63 +22,67 @@ void cpu_choice(char cpu);
 char check_win();
 int free_spaces();
 
-int main(int argc, char *argv[]){
+int main(int argc, char *argv[]) {
   char flag = ' ';
   int players;
+  unsigned int sleeptime = 1; // seconds to sleep
   clear_board();
 
   printf("How many players? (1/2)\n> ");
-    scanf("%d", &players);
+  scanf("%d", &players); // something better than scanf("%d")
 
-    //TODO Tidy this up!
+  // TODO Tidy this up!
-    if(players == 1){
+  switch (players) {
-        do{
+  case 1:
+    do {
       flag = check_win();
-            if(free_spaces() == 0){
+      if (free_spaces() == 0) {
         break;
       }
 
       print_board();
 
       player_choice('X');
+      flag = check_win();
       print_board();
-            sleep(2);
+      sleep(sleeptime);
 
       cpu_choice('O');
       flag = check_win();
       print_board();
-            sleep(2);
+      sleep(sleeptime);
 
-        } while(flag == ' ');
+    } while (flag == ' ');
 
-    } else if(players == 2){
+  case 2:
-            do{
+    do {
       flag = check_win();
-                if(free_spaces() == 0){
+      if (free_spaces() == 0) {
         break;
       }
 
       print_board();
 
       player_choice('X');
+      flag = check_win();
       print_board();
 
       player_choice('O');
       flag = check_win();
       print_board();
 
-            } while(flag == ' ');
+    } while (flag == ' ');
   }
-    if(flag == ' ') 
+  if (flag == ' ')
     printf(BOLDMAGENTA "\nNo-one won!" RESET);
   else
-        printf(BOLDMAGENTA "\n%c won!" RESET, flag );
+    printf(BOLDMAGENTA "\n%c won!" RESET, flag);
 
   printf(BOLDWHITE "\nGame Over!\n" RESET);
   return 0;
 }
 
-void print_board(){
+void print_board() {
   system("clear");
   printf(BOLDWHITE "  1   2   3 \n" RESET);
 
@@ -96,27 +100,28 @@ void print_board(){
   printf("\n");
 }
 
-void clear_board(){
+void clear_board() {
   int r, c;
-    for(r = 0; r < ROWS; ++r){
+  for (r = 0; r < ROWS; ++r) {
-        for(c = 0; c < COLUMNS; ++c){
+    for (c = 0; c < COLUMNS; ++c) {
       board[r][c] = ' ';
     }
   }
 }
 
-int free_spaces(){
+int free_spaces() {
   int r, c, s;
   s = 0;
-    for(r = 0; r < ROWS; ++r){
+  for (r = 0; r < ROWS; ++r) {
-        for(c = 0; c < COLUMNS; ++c){
+    for (c = 0; c < COLUMNS; ++c) {
-            if(board[r][c] == ' ') ++s;
+      if (board[r][c] == ' ')
+        ++s;
     }
   }
   return s;
 }
 
-void player_choice(char player){
+void player_choice(char player) {
 
   int pr, pc;
   printf(BOLDGREEN "\n[%c] Enter row (1, 2 or 3) <---->\n> " RESET, player);
@@ -127,28 +132,28 @@ void player_choice(char player){
   scanf("%d", &pc);
   --pc;
 
-    if(board[pr][pc] != ' ' ){
+  if (board[pr][pc] != ' ') {
     printf(BOLDRED "\n[%c] Cannot play here, skipping...\n" RESET, player);
-       sleep(2);
+    sleep(1);
   } else {
     board[pr][pc] = player;
   }
 }
 
-void cpu_choice(char cpu){
+void cpu_choice(char cpu) {
   time_t t;
   srand((unsigned)time(&t));
 
   int cr, cc;
   cr = cc = 0;
-    while(board[cr][cc] != ' '){
+  while (board[cr][cc] != ' ') {
     cr = rand() % 3;
     cc = rand() % 3;
   }
   board[cr][cc] = cpu;
 }
 
-char check_win(){
+char check_win() {
   char flag = ' ';
   /*
   00 |01 |02
@@ -157,33 +162,33 @@ char check_win(){
   ---|---|---
   20 |21 |22
   */
-    //horizontal checks l to r
+  // horizontal checks l to r
-    if(board[0][0] == board[0][1] && board[0][1] == board[0][2]){
+  if (board[0][0] == board[0][1] && board[0][1] == board[0][2]) {
     flag = board[0][0];
   }
-    if(board[1][0] == board[1][1] && board[1][1] == board[1][2]){
+  if (board[1][0] == board[1][1] && board[1][1] == board[1][2]) {
     flag = board[1][0];
   }
-    if(board[2][0] == board[2][1] && board[2][1] == board[2][2]){
+  if (board[2][0] == board[2][1] && board[2][1] == board[2][2]) {
     flag = board[2][0];
   }
 
-    //horizontal check up n down
+  // horizontal check up n down
-    if(board[0][0] == board[1][0] && board[1][0] == board[2][0]){
+  if (board[0][0] == board[1][0] && board[1][0] == board[2][0]) {
     flag = board[0][0];
   }
-    if(board[0][1] == board[1][1] && board[1][1] == board[2][1]){
+  if (board[0][1] == board[1][1] && board[1][1] == board[2][1]) {
     flag = board[0][1];
   }
-    if(board[0][2] == board[1][2] && board[1][2] == board[2][2]){
+  if (board[0][2] == board[1][2] && board[1][2] == board[2][2]) {
     flag = board[0][2];
   }
 
-    //diagonal checks
+  // diagonal checks
-    if(board[0][0] == board[1][1] && board[1][1] == board[2][2]){
+  if (board[0][0] == board[1][1] && board[1][1] == board[2][2]) {
     flag = board[0][0];
   }
-    if(board[0][2] == board[1][1] && board[1][1] == board[2][0]){
+  if (board[0][2] == board[1][1] && board[1][1] == board[2][0]) {
     flag = board[0][2];
   }