From f66753fec271a82de107b8c42a8fb149a6fe8175 Mon Sep 17 00:00:00 2001
From: Alex Szpakowski <slime73@gmail.com>
Date: Sat, 6 Jan 2018 00:59:09 -0400
Subject: [PATCH] Windows: redirect stdout to the parent command prompt when
 love.exe --version is run.

---
 src/love.cpp              |  4 ++++
 src/modules/love/love.cpp | 44 ++++++++++++++++++++++++++-------------
 src/modules/love/love.h   |  4 ++++
 3 files changed, 38 insertions(+), 14 deletions(-)

diff --git a/src/love.cpp b/src/love.cpp
index 2c9c72428..a4a2444c6 100644
--- a/src/love.cpp
+++ b/src/love.cpp
@@ -151,6 +151,10 @@ static DoneAction runlove(int argc, char **argv, int &retval)
 	// Oh, you just want the version? Okay!
 	if (argc > 1 && strcmp(argv[1], "--version") == 0)
 	{
+#ifdef LOVE_LEGENDARY_CONSOLE_IO_HACK
+		const char *err = nullptr;
+		love_openConsole(err);
+#endif
 		printf("LOVE %s (%s)\n", love_version(), love_codename());
 		retval = 0;
 		return DONE_QUIT;
diff --git a/src/modules/love/love.cpp b/src/modules/love/love.cpp
index 0af91c9cc..14a6756f6 100644
--- a/src/modules/love/love.cpp
+++ b/src/modules/love/love.cpp
@@ -455,15 +455,13 @@ static bool IsWindowsVistaOrGreater()
 	return VerifyVersionInfoW(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR, mask) != FALSE;
 }
 
-int w__openConsole(lua_State *L)
+bool love_openConsole(const char *&err)
 {
 	static bool is_open = false;
+	err = nullptr;
 
 	if (is_open)
-	{
-		love::luax_pushboolean(L, is_open);
-		return 1;
-	}
+		return true;
 
 	is_open = true;
 
@@ -476,8 +474,8 @@ int w__openConsole(lua_State *L)
 		if (!AllocConsole())
 		{
 			is_open = false;
-			love::luax_pushboolean(L, is_open);
-			return 1;
+			err = "Could not create console.";
+			return is_open;
 		}
 
 		SetConsoleTitle(TEXT("LOVE Console"));
@@ -495,20 +493,38 @@ int w__openConsole(lua_State *L)
 
 	// Redirect stdout.
 	fp = freopen("CONOUT$", "w", stdout);
-	if (L && fp == NULL)
-		return luaL_error(L, "Console redirection of stdout failed.");
+	if (fp == NULL)
+	{
+		err = "Console redirection of stdout failed.";
+		return is_open;
+	}
 
 	// Redirect stdin.
 	fp = freopen("CONIN$", "r", stdin);
-	if (L && fp == NULL)
-		return luaL_error(L, "Console redirection of stdin failed.");
+	if (fp == NULL)
+	{
+		err = "Console redirection of stdin failed.";
+		return is_open;
+	}
 
 	// Redirect stderr.
 	fp = freopen("CONOUT$", "w", stderr);
-	if (L && fp == NULL)
-		return luaL_error(L, "Console redirection of stderr failed.");
+	if (fp == NULL)
+	{
+		err = "Console redirection of stderr failed.";
+		return is_open;
+	}
 
-	love::luax_pushboolean(L, is_open);
+	return is_open;
+}
+
+int w__openConsole(lua_State *L)
+{
+	const char *err = nullptr;
+	bool isopen = love_openConsole(err);
+	if (err != nullptr)
+		return luaL_error(L, err);
+	love::luax_pushboolean(L, isopen);
 	return 1;
 }
 
diff --git a/src/modules/love/love.h b/src/modules/love/love.h
index 06da3cabe..9458366ec 100644
--- a/src/modules/love/love.h
+++ b/src/modules/love/love.h
@@ -38,6 +38,10 @@ LOVE_EXPORT int luaopen_love(lua_State *L);
 LOVE_EXPORT int luaopen_love_nogame(lua_State *L);
 LOVE_EXPORT int luaopen_love_boot(lua_State *L);
 
+#ifdef LOVE_LEGENDARY_CONSOLE_IO_HACK
+LOVE_EXPORT bool love_openConsole(const char *&err);
+#endif
+
 #ifdef __cplusplus
 }
 #endif