From ad7596c5740e4bfc50d48dc2815fc1737cfb319d Mon Sep 17 00:00:00 2001
From: David McCurley <44048235+mrengineer7777@users.noreply.github.com>
Date: Tue, 11 Apr 2023 08:42:04 -0500
Subject: [PATCH] WiFiUDF Low memory fix

Fixed library crash on low memory where `new char[1460];` throws an exception.  `malloc` is a safe drop in replacement.
---
 libraries/WiFi/src/WiFiUdp.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libraries/WiFi/src/WiFiUdp.cpp b/libraries/WiFi/src/WiFiUdp.cpp
index 556f9a8afcc..e3b911937f9 100644
--- a/libraries/WiFi/src/WiFiUdp.cpp
+++ b/libraries/WiFi/src/WiFiUdp.cpp
@@ -44,7 +44,7 @@ uint8_t WiFiUDP::begin(IPAddress address, uint16_t port){
 
   server_port = port;
 
-  tx_buffer = new char[1460];
+  tx_buffer = (char *)malloc(1460);
   if(!tx_buffer){
     log_e("could not create tx buffer: %d", errno);
     return 0;
@@ -100,7 +100,7 @@ uint8_t WiFiUDP::beginMulticast(IPAddress a, uint16_t p){
 
 void WiFiUDP::stop(){
   if(tx_buffer){
-    delete[] tx_buffer;
+    free(tx_buffer);
     tx_buffer = NULL;
   }
   tx_buffer_len = 0;
@@ -136,7 +136,7 @@ int WiFiUDP::beginPacket(){
 
   // allocate tx_buffer if is necessary
   if(!tx_buffer){
-    tx_buffer = new char[1460];
+    tx_buffer = (char *)malloc(1460);
     if(!tx_buffer){
       log_e("could not create tx buffer: %d", errno);
       return 0;