cleaned up code

1 files changed, 13 insertions, 13 deletions

diff --git a/snake.c b/snake.c
index 33e9487..aa6cb81 100644
--- a/snake.c
+++ b/snake.c
@@ -14,9 +14,8 @@
 #define UNUSED(x) (void)(x)
 
 /*** GLOBAL VARIABLES ***/
-volatile sig_atomic_t INT_CTRL_C = 0; /* flag for ctrl-c interrupt */
-int SCORE = 0;
-
+volatile sig_atomic_t intCtrlC = 0; /* flag for ctrl-c interrupt */
+int score = 0;
 int boardSize = 15;
 int updateInterval = 300000000L;
 
@@ -29,27 +28,28 @@ void interrupt_handler(int sig); /* passed into signal(3) to handle ctrl-c inter
 /* unsafe functions like printf cannot be called in async interrupt handler */
 void interrupt_handler(int sig) {
 	UNUSED(sig);
-	INT_CTRL_C = 1;
+	intCtrlC = 1;
 }
 
 int main(int argc, char **argv) {
 	/* parsing arguments */
-	for (int i = 1; i < argc; i ++) {
-		if (strcmp("--version", argv[i]) == 0) {
+	if(argc > 1) {
+		if(strcmp("--version", argv[1]) == 0) {
 			printf("snake3, version 1.0\n");
 			printf("Copyright 2023 Kai Stevenson\n");
 			printf("This software was licensed under the MIT license;\n");
 			printf("for more information, see the license file.\n");
 			return 0;
-		} else if (strcmp("--help", argv[i]) == 0) {
+		}
+		else if (strcmp("--help", argv[1]) == 0) {
 			printf("usage: snake3 [--version] [--help]\n");
 			return 0;
-		} else {
+		}
+		else {
 			printf("usage: snake3 [--version] [--help]\n");
 			return 1;
 		}
 	}
-
 	/* get terminal size */
 	struct winsize win;
 	ioctl(fileno(stdout), TIOCGWINSZ, &win);
@@ -87,12 +87,12 @@ int main(int argc, char **argv) {
 	/* main game logic loop */
 	while(1) {
 		/* handle ctrl-c interrupt */
-		if (INT_CTRL_C) {
+		if(intCtrlC) {
 			/* unhide cursor */
 			printf("\033[?25h");
 			/* kill the listener thread */
 			*cancellationToken = 1;
-			printf("Your score was %d. Press any key to exit\n", SCORE);
+			printf("Your score was %d. Press any key to exit\n", score);
 			pthread_join(listenerID, NULL);
 			free(cancellationToken);
 			free((int*)lastInput);
@@ -119,7 +119,7 @@ int main(int argc, char **argv) {
 		int ateFood = 0;
 		if((snakePositions.vectors[0].mx + lastMoveDir.mx == foodPos.mx) && (snakePositions.vectors[0].my + lastMoveDir.my == foodPos.my)) {
 			ateFood = 1;
-			SCORE = SCORE + 1;
+			score += 1;
 			if (updateInterval > 50000000) {
 				updateInterval -= 20000000;
 			}
@@ -156,7 +156,7 @@ int main(int argc, char **argv) {
 	}
 	/* clear the last getch call from the listener */
 	*cancellationToken = 1;
-	printf("\n%sYou died. Score: %d. Press any key to exit%s\n", RED, SCORE, COLOR_RESET);
+	printf("\n%sYou died. Score: %d. Press any key to exit%s\n", RED, score, COLOR_RESET);
 	printf("\033[?25h");
 	pthread_join(listenerID, NULL);
 	free(cancellationToken);