Function DisplayError

Engine/source/EtCore/Util/WindowsUtil.cpp:22–60

--------------------- DisplayError Displays the last error in the winApi. lpszFunction is just an argument that enhances the debug output

// Displays the last error in the winApi. lpszFunction is just an argument that enhances the debug output
//
void DisplayError(LPTSTR lpszFunction)
{
	LPVOID lpMsgBuf;
	LPVOID lpDisplayBuf;
	DWORD dw = GetLastError();

	FormatMessage(
		FORMAT_MESSAGE_ALLOCATE_BUFFER |
		FORMAT_MESSAGE_FROM_SYSTEM |
		FORMAT_MESSAGE_IGNORE_INSERTS,
		NULL,
		dw,
		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
		(LPTSTR)&lpMsgBuf,
		0,
		NULL);

	lpDisplayBuf =
		(LPVOID)LocalAlloc(LMEM_ZEROINIT,
		(lstrlen((LPCTSTR)lpMsgBuf)
			+ lstrlen((LPCTSTR)lpszFunction)
			+ 40) // account for format string
			* sizeof(TCHAR));

	if (FAILED(StringCchPrintf((LPTSTR)lpDisplayBuf,
		LocalSize(lpDisplayBuf) / sizeof(TCHAR),
		TEXT("%s failed with error code %d as follows:\n%s"),
		lpszFunction,
		dw,
		lpMsgBuf)))
	{
		LOG("FATAL: Unable to output error code", Error);
	}

	LOG((LPCTSTR)lpDisplayBuf, Error);

	LocalFree(lpMsgBuf);
	LocalFree(lpDisplayBuf);
}

//---------------------
// GetExecutablePathName