From eac14dd673f9147c9a9ccba0d87d113e2f3ec52d Mon Sep 17 00:00:00 2001
From: icex2 <djh.icex2@gmail.com>
Date: Sun, 17 Jan 2021 00:59:41 +0100
Subject: [PATCH] util/sock-tcp: Add constant for invalid socket handle

---
 src/main/util/sock-tcp.c | 2 ++
 src/main/util/sock-tcp.h | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/src/main/util/sock-tcp.c b/src/main/util/sock-tcp.c
index 655146e..0910973 100644
--- a/src/main/util/sock-tcp.c
+++ b/src/main/util/sock-tcp.c
@@ -10,6 +10,8 @@
 #include "util/log.h"
 #include "util/sock-tcp.h"
 
+const int INVALID_SOCK_HANDLE = -1;
+
 bool util_sock_tcp_is_connectable(const char* ipv4, uint32_t timeout_ms)
 {
     char* address;
diff --git a/src/main/util/sock-tcp.h b/src/main/util/sock-tcp.h
index 67134de..cb50058 100644
--- a/src/main/util/sock-tcp.h
+++ b/src/main/util/sock-tcp.h
@@ -9,6 +9,8 @@
 #include <stdint.h>
 #include <stdlib.h>
 
+extern const int INVALID_SOCK_HANDLE;
+
 bool util_sock_tcp_is_connectable(const char* ipv4, uint32_t timeout_ms);
 
 bool util_sock_tcp_is_connectable2(const char* ipv4, uint16_t port, uint32_t timeout_ms);