From 646929d83dc8c4441d6eb1e3644d3f08420c284f Mon Sep 17 00:00:00 2001
From: Alam Ed Arias <alam@srb2.org>
Date: Sun, 23 Feb 2025 12:21:37 -0500
Subject: [PATCH] netcode: fix runtime issues with -noipv4

---
 src/netcode/i_tcp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/netcode/i_tcp.c b/src/netcode/i_tcp.c
index 9a261fb4e1..38d4bbbaa2 100644
--- a/src/netcode/i_tcp.c
+++ b/src/netcode/i_tcp.c
@@ -656,7 +656,7 @@ static inline ssize_t SOCK_SendToAddr(SOCKET_TYPE socket, mysockaddr_t *sockaddr
 	return sendto(socket, (char *)&doomcom->data, doomcom->datalength, 0, &sockaddr->any, d);
 }
 
-#define ALLOWEDERROR(x) ((x) == ECONNREFUSED || (x) == EWOULDBLOCK || (x) == EHOSTUNREACH || (x) == ENETUNREACH)
+#define ALLOWEDERROR(x) ((x) == ECONNREFUSED || (x) == EWOULDBLOCK || (x) == EHOSTUNREACH || (x) == ENETUNREACH || (x) == EADDRNOTAVAIL)
 
 static void SOCK_Send(void)
 {
@@ -710,7 +710,7 @@ static void SOCK_Send(void)
 		}
 	}
 
-	if (c == ERRSOCKET && e != -1) // -1 means no socket for the address family was found
+	if (c == ERRSOCKET && e != 0) // 0 means no socket for the address family was found
 	{
 		if (!ALLOWEDERROR(e))
 			I_Error("SOCK_Send, error sending to node %d (%s) #%u, %s", doomcom->remotenode,
-- 
GitLab