From 13f10b2fe0ee03ea47a26d9c8b9f032bc58e16d8 Mon Sep 17 00:00:00 2001
From: 11soda11 <115734183+Sodastream11@users.noreply.github.com>
Date: Tue, 28 Jul 2026 04:16:11 +0200
Subject: [PATCH] second try with atexit

---
 src/tool_doswin.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/tool_doswin.c b/src/tool_doswin.c
index 6333464460..390d0aba91 100644
--- a/src/tool_doswin.c
+++ b/src/tool_doswin.c
@@ -730,7 +730,6 @@ static DWORD WINAPI win_stdin_thread_func(void *thread_data)
 {
   (void)thread_data;
 
-  atexit(cleanup_tdata);
 
   for(;;) {
     DWORD n;
@@ -834,6 +833,12 @@ curl_socket_t win32_stdin_read_thread(void)
     curl_socklen_t socksize = 0;
     struct sockaddr_in selfaddr;
 
+    /* prevent mem leak warnings */
+    if(atexit(&cleanup_tdata)) {
+      errorf("atexit() error");
+      break;
+    }
+
     /* Create the listening socket. It is used to create the writing socket by
      * accepting a connection from the reading socket. */
     socket_l = CURL_SOCKET(AF_INET, SOCK_STREAM, IPPROTO_TCP);