From e4baba24a4c30ea7162d54711e39e0b457515d88 Mon Sep 17 00:00:00 2001
From: Preston Pan <preston@nullring.xyz>
Date: Mon, 6 Feb 2023 12:18:59 -0800
Subject: i forgot what i updated

---
 snake.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'snake.c')

diff --git a/snake.c b/snake.c
index 5a021a5..c57530d 100644
--- a/snake.c
+++ b/snake.c
@@ -25,7 +25,6 @@ vector_t foodPos;
 vector_t lastMoveDir;
 
 void interrupt_handler(int sig); // passed into signal(3) to handle ctrl-c interrupts 
-
 //unsafe functions like printf cannot be called in async interrupt handler
 void interrupt_handler(int sig) {
 	UNUSED(sig);
@@ -33,7 +32,8 @@ void interrupt_handler(int sig) {
 }
 
 int main(int argc, char **argv) {
-	for (int i = 0; i < argc; i ++) {
+	/* parsing arguments */
+	for (int i = 1; i < argc; i ++) {
 		if (strcmp("--version", argv[i]) == 0) {
 			printf("snake3, version 1.0\n");
 			printf("Copyright 2023 Kai Stevenson\n");
@@ -43,8 +43,12 @@ int main(int argc, char **argv) {
 		} else if (strcmp("--help", argv[i]) == 0) {
 			printf("usage: snake3 [--version] [--help]\n");
 			return 0;
+		} else {
+			printf("usage: snake3 [--version] [--help]\n");
+			return 1;
 		}
 	}
+
 	//get terminal size
 	struct winsize win;
 	ioctl(fileno(stdout), TIOCGWINSZ, &win);
-- 
cgit v1.3.1