From 39c8633f92005b86da1bcfd1a8ee975a87efd33e Mon Sep 17 00:00:00 2001
From: Andreas Fredriksson <333045+deplinenoise@users.noreply.github.com>
Date: Fri, 17 Sep 2021 15:48:06 -0700
Subject: [PATCH] Add an error message for obscure win32 errors (#336)

---
 src/Common.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/Common.cpp b/src/Common.cpp
index 8da1c25f..7d397338 100644
--- a/src/Common.cpp
+++ b/src/Common.cpp
@@ -82,6 +82,15 @@ void NORETURN CroakErrno(const char* fmt, ...)
   va_end(args);
   fprintf(stderr, "\n");
   fprintf(stderr, "errno: %d (%s)\n", errno, strerror(errno));
+#if defined(TUNDRA_WIN32)
+  DWORD gle = GetLastError();
+
+  char* message = nullptr;
+  size_t size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+                                 NULL, gle, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (char*)&message, 0, NULL);
+    
+  fprintf(stderr, "Win32 GLE: %u (%s)\n", gle, message);
+#endif
   if (DebuggerAttached())
     abort();
   else