From a5b88461ed2a4bc5e8868ea733ae0fc01ed45797 Mon Sep 17 00:00:00 2001
From: Kranklyboy <kranklyboy1000@gmail.com>
Date: Sun, 15 Apr 2018 19:40:54 +0200
Subject: [PATCH] Catch error in cleanup() function.

---
 server.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/server.c b/server.c
index 24e7af5..67a7b9c 100644
--- a/server.c
+++ b/server.c
@@ -53,7 +53,11 @@ static void cleanup(void)
                 free(ships[i]);
         }
 
-        close(sockfd);
+        if (close(sockfd) < 0) {
+		perror(pname);
+		return 1;
+	}
+
         free(ai);
 }