From 0b9f6763992cf3d2e89001b6ab226f81221bf908 Mon Sep 17 00:00:00 2001
From: Brendon <43822289+12brendon34@users.noreply.github.com>
Date: Sun, 15 Mar 2026 20:16:41 -0700
Subject: [PATCH] Update IsNumericAddress

Better then heuristic check
---
 .../Windows64/Network/WinsockNetLayer.cpp           | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/Minecraft.Client/Windows64/Network/WinsockNetLayer.cpp b/Minecraft.Client/Windows64/Network/WinsockNetLayer.cpp
index ca5ad6fc4..c71030c0e 100644
--- a/Minecraft.Client/Windows64/Network/WinsockNetLayer.cpp
+++ b/Minecraft.Client/Windows64/Network/WinsockNetLayer.cpp
@@ -213,16 +213,17 @@ void WinsockNetLayer::Shutdown()
 
 bool WinsockNetLayer::IsNumericAddress(const char* addr)
 {
-	if (addr == NULL)
+	if (addr == nullptr)
 		return false;
 
-	if (strchr(addr, ':') != NULL)
-		return true;// IPv6
+	in6_addr buf{};
+	if (inet_pton(AF_INET6, addr, &buf) == 1)
+		return true;
 
-	if (inet_addr(addr) != INADDR_NONE)
-		return true;// IPv4
+	if (inet_pton(AF_INET, addr, &buf) == 1)
+		return true;
 
-	return false;// hostname
+	return false;
 }
 
 bool WinsockNetLayer::HostGame(int port, const char* bindIp)