memmappedfile-fix (#115)

Co-authored-by: Metehan Tuncbilek <mtuncbilek95@gmail.com>
Reviewed-by: Georg Hagen <georg.hagen@madvoxel.com>
Co-authored-by: mtuncbilek <metehan.tuncbilek@madvoxel.com>
Co-committed-by: mtuncbilek <metehan.tuncbilek@madvoxel.com>

openVulkanoCpp/Host/Windows/ErrorUtils.cpp

@@ -0,0 +1,45 @@
+/*
+* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#include "ErrorUtils.hpp"
+
+#if defined(_MSC_VER)
+#include "Windows.h"
+#endif
+
+namespace OpenVulkano
+{
+#if defined(_MSC_VER)
+	std::string ErrorUtils::GetLastErrorMessage()
+	{
+		// Get the error message ID, if any.
+		DWORD errorID = GetLastError();
+		if (errorID == 0)
+		{
+			return std::string();
+		}
+
+		LPSTR messageBuffer = nullptr;
+		// Format the error message
+		uint64_t size =
+		FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+		               NULL, errorID, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR) &messageBuffer, 0, NULL);
+
+		// Buffer it up
+		std::string message(messageBuffer, size);
+
+		// Free the buffer and return the message
+		LocalFree(messageBuffer);
+		return message;
+	}
+#else
+	std::string ErrorUtils::GetLastErrorMessage()
+	{
+		return std::string();
+	}
+#endif
+
+}