From 2bbef63647b0e50331557e8b59e22c3a2963bb26 Mon Sep 17 00:00:00 2001
From: Ranjan Shrestha <ranjan@sharingapples.com>
Date: Thu, 2 Jan 2020 05:03:21 +0545
Subject: [PATCH] Huawei devices use underscore on host names (#95)

RFC 952 allows only alpha numeric characters and dashes on host names.
But Huawei android devices use underscore.
This results in an error while communicating with those devices.
---
 UdpSocket.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/UdpSocket.js b/UdpSocket.js
index f21116a8..d5f8578a 100644
--- a/UdpSocket.js
+++ b/UdpSocket.js
@@ -23,8 +23,8 @@ var Sockets = NativeModules.UdpSockets
 var base64 = require('base64-js')
 var ipRegex = require('ip-regex')
 var normalizeBindOptions = require('./normalizeBindOptions')
-// RFC 952 hostname format
-var hostnameRegex = /^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$/;
+// RFC 952 hostname format, except for Huawei android devices that include '_' on their hostnames
+var hostnameRegex = /^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9_\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9_\-]*[A-Za-z0-9])$/;
 var noop = function () {}
 var instances = 0
 var STATE = {