From 6d64a3b6342ede7b073a7d98273965b890af8abc Mon Sep 17 00:00:00 2001
From: David McCurley <44048235+mrengineer7777@users.noreply.github.com>
Date: Mon, 20 Feb 2023 05:30:40 -0600
Subject: [PATCH] WiFiUDP:parsePacket() Crashfix (#7847)

* Update WiFiUdp.cpp

* Update WiFiUdp.cpp
---
 libraries/WiFi/src/WiFiUdp.cpp | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/libraries/WiFi/src/WiFiUdp.cpp b/libraries/WiFi/src/WiFiUdp.cpp
index 476b5a4a8..556f9a8af 100644
--- a/libraries/WiFi/src/WiFiUdp.cpp
+++ b/libraries/WiFi/src/WiFiUdp.cpp
@@ -16,7 +16,9 @@
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
+
 #include "WiFiUdp.h"
+#include <new>  //std::nothrow
 #include <lwip/sockets.h>
 #include <lwip/netdb.h>
 #include <errno.h>
@@ -207,12 +209,12 @@ int WiFiUDP::parsePacket(){
     return 0;
   struct sockaddr_in si_other;
   int slen = sizeof(si_other) , len;
-  char * buf = new char[1460];
-  if(!buf){
+  char *buf = (char *)malloc(1460);
+  if(!buf) {
     return 0;
   }
   if ((len = recvfrom(udp_server, buf, 1460, MSG_DONTWAIT, (struct sockaddr *) &si_other, (socklen_t *)&slen)) == -1){
-    delete[] buf;
+    free(buf);
     if(errno == EWOULDBLOCK){
       return 0;
     }
@@ -222,10 +224,10 @@ int WiFiUDP::parsePacket(){
   remote_ip = IPAddress(si_other.sin_addr.s_addr);
   remote_port = ntohs(si_other.sin_port);
   if (len > 0) {
-    rx_buffer = new cbuf(len);
+    rx_buffer = new(std::nothrow) cbuf(len);
     rx_buffer->write(buf, len);
   }
-  delete[] buf;
+  free(buf);
   return len;
 }
 
-- 
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