From e3aaff185fa9f48569d61a765c3055894909b2ba Mon Sep 17 00:00:00 2001
From: Jameson Nash <vtjnash@gmail.com>
Date: Fri, 17 Jun 2022 16:06:15 -0400
Subject: [PATCH] udp,win: fix UDP compiler warning (#3647)

Previously it would pass a pointer to uninitialized memory to WSASendTo,
which triggered a compiler warning. However, `addrlen` will be 0, so it
seems unlikely to trigger an error or uninitialized memory access.

Refs: https://github.com/libuv/leps/pull/10
Refs: https://github.com/libuv/libuv/pull/1872
Refs: https://github.com/libuv/libuv/pull/2217
---
 src/win/udp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/win/udp.c b/src/win/udp.c
index c99cb0fe..eaebc1ed 100644
--- a/src/win/udp.c
+++ b/src/win/udp.c
@@ -1146,6 +1146,7 @@ int uv__udp_try_send(uv_udp_t* handle,
     err = uv__convert_to_localhost_if_unspecified(addr, &converted);
     if (err)
       return err;
+    addr = (const struct sockaddr*) &converted;
   }
 
   /* Already sending a message.*/
@@ -1169,7 +1170,7 @@ int uv__udp_try_send(uv_udp_t* handle,
                   nbufs,
                   &bytes,
                   0,
-                  (const struct sockaddr*) &converted,
+                  addr,
                   addrlen,
                   NULL,
                   NULL);