make things more consistent and also add fprintf statement

1 files changed, 7 insertions, 7 deletions

diff --git a/snake.c b/snake.c
index 26623cf..577c832 100644
--- a/snake.c
+++ b/snake.c
@@ -44,8 +44,8 @@ int main(int argc, char **argv) {
 			return 0;
 		}
 		else if(strcmp("--help", argv[i]) == 0) {
-			printf("usage: snake3 [--version] [--help] [--size board_size] [--speed speed] [--obstacles obstacles]\n");
-			return 0;
+			fprintf(stderr, "usage: snake3 [--version] [--help] [--size board_size] [--speed speed] [--obstacles obstacles]\n");
+			return 1;
 		}
 		else if(strcmp("--size", argv[i]) == 0 || strcmp("--speed", argv[i]) == 0 || strcmp("--obstacles", argv[i]) == 0) {
 			last_flag = argv[i];
@@ -56,32 +56,32 @@ int main(int argc, char **argv) {
 				boardSize = atoi(argv[i]);
 				if(boardSize < 3) {
 					fprintf(stderr, "%sboard size too small or argument invalid, please try again.%s\n", RED, COLOR_RESET);
-					exit(1);
+					return 1;
 				}
 			}
 			else if(strcmp("--speed", last_flag) == 0) {
 				speed = atoi(argv[i]);
 				if(speed <= 0) {
 					fprintf(stderr, "%sspeed level must be greater than zero and integer. Please try again.%s\n", RED, COLOR_RESET);
-					exit(1);
+					return 1;
 				}
 				else if(speed > 10) {
 					fprintf(stderr, "%sspeed must not be greater than ten. Please try again.%s\n", RED, COLOR_RESET);
-					exit(1);
+					return 1;
 				}
 			}
 			else if(strcmp("--obstacles", last_flag) == 0) {
 				obstacles = atoi(argv[i]);
 				if(obstacles < 0) {
 					fprintf(stderr, "%sobstacle count cannot be negative. Please try again.%s\n", RED, COLOR_RESET);
-					exit(1);
+					return 1;
 				}
 			}
 			was_flag = 0;
 		}
 		else {
 			printf("usage: snake3 [--version] [--help]\n");
-			exit(1);
+			return 1;
 		}
 	}
 	/* check argument compatibility */