From ec600f80c3be34733209270c3772596ef1794991 Mon Sep 17 00:00:00 2001
From: Roman Fomin <rfomin@gmail.com>
Date: Mon, 20 Nov 2023 11:02:49 +0700
Subject: [PATCH] safe exit when console is closed on Windows (#1269)

---
 src/i_main.c         |  9 ++++++++-
 win32/win_launcher.c | 15 +++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/i_main.c b/src/i_main.c
index 9ae26984..4bf3d7b6 100644
--- a/src/i_main.c
+++ b/src/i_main.c
@@ -17,12 +17,12 @@
 //
 //-----------------------------------------------------------------------------
 
-#include <stdio.h>
 #include "config.h"
 
 #include "SDL.h" // haleyjd
 
 #include "i_printf.h"
+#include "i_system.h"
 #include "m_argv.h"
 #include "version.h"
 
@@ -34,6 +34,13 @@
 
 void D_DoomMain(void);
 
+#if defined(WIN_LAUNCHER)
+__declspec(dllexport) void Woof_Exit(void)
+{
+    I_SafeExit(0);
+}
+#endif
+
 #if defined(WIN_LAUNCHER)
 __declspec(dllexport) int Woof_Main(int argc, char **argv)
 #else
diff --git a/win32/win_launcher.c b/win32/win_launcher.c
index d623fb26..9b869313 100644
--- a/win32/win_launcher.c
+++ b/win32/win_launcher.c
@@ -13,10 +13,25 @@
 //
 
 #include "SDL.h"
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
 
 __declspec(dllexport) extern int Woof_Main(int argc, char **argv);
+__declspec(dllexport) extern void Woof_Exit(void);
+
+BOOL CtrlHandler(DWORD event)
+{
+    if (event == CTRL_CLOSE_EVENT)
+    {
+        Woof_Exit();
+        return TRUE;
+    }
+    return FALSE;
+}
 
 int main(int argc, char **argv)
 {
+    SetConsoleCtrlHandler((PHANDLER_ROUTINE)(CtrlHandler), TRUE);
+
     return Woof_Main(argc, argv);
 }