add version message; change binary name

1 files changed, 11 insertions, 0 deletions

diff --git a/snake.c b/snake.c
index 6b4201f..9a88d26 100644
--- a/snake.c
+++ b/snake.c
@@ -4,6 +4,8 @@
 #include <pthread.h>
 #include <signal.h> //handling ctrl-c
 #include <sys/ioctl.h> //terminal size
+#include <string.h> // argument parsing
+
 #include "vector.h"
 #include "snake.h"
 #include "conio.h"
@@ -23,6 +25,15 @@ vector_t foodPos;
 vector_t lastMoveDir;
 
 int main(int argc, char **argv) {
+	for (int i = 0; i < argc; i ++) {
+		if (strcmp("--version", argv[i]) == 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;
+		}
+	}
 	//get terminal size
 	struct winsize win;
 	ioctl(fileno(stdout), TIOCGWINSZ, &win);