From 638fcd3fe2c1c15d01d58c13e17479fdc0ede532 Mon Sep 17 00:00:00 2001
From: PgSocks <pgsocks@pm.me>
Date: Wed, 28 Dec 2022 13:51:43 -0600
Subject: [PATCH] Check for invalid max socket fd before polling

---
 src/connection.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/connection.c b/src/connection.c
index 6e3f1dd..5c5ac31 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -59,6 +59,10 @@ connection_new(unsigned int source_port, const char* source_ip, unsigned int des
 struct Connection*
 connection_poll_ready(struct Client* client) {
 
+    // Return a null connection if no sockets have been opened
+    if(max_fds < 0)
+        return NULL;
+
     // Add all the connections' socket file descriptors to a watch list
     fd_set read_fds;
     FD_ZERO(&read_fds);