From fede23cba7f7c392e8b966189924fc4dec94173a Mon Sep 17 00:00:00 2001
From: Yorick Barbanneau <yorick.barbanneau@etu.u-bordeaux.fr>
Date: Wed, 15 Sep 2021 23:03:40 +0200
Subject: [PATCH] Error if option is passed to contest argument

---
 src/utictactoe.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/utictactoe.c b/src/utictactoe.c
index 5bf1c3b..935d1cb 100644
--- a/src/utictactoe.c
+++ b/src/utictactoe.c
@@ -102,8 +102,12 @@ int main(int argc, char* argv[]) {
             break;
 
         case 'c':
-            printf ("contest activated\n");
+            if ( OPTIONAL_ARGUMENT_IS_PRESENT ) {
+                fprintf(stderr, "Error: contest option doesn't support arguments\n");
+                exit (EXIT_FAILURE);
+            }
             contest = true;
+            printf ("contest activated\n");
             break;
         case 'V':
             printf("utictactoe %d.%d.%d\n", VERSION, SUBVERSION, REVISION);