Renew the updater branch

Now with some actual consensus on what the updater will do!

mmc_updater/src/Platform.h

@@ -0,0 +1,30 @@
+#pragma once
+
+// basic platform defines
+#ifdef __linux__
+ #define PLATFORM_LINUX
+#endif
+
+#ifdef WIN32
+ #define PLATFORM_WINDOWS
+ #include <windows.h>
+
+ // disable warnings about exception specifications,
+ // which are not implemented in Visual C++
+ #pragma warning(disable:4290)
+#endif
+
+#ifdef __APPLE__
+ #define PLATFORM_MAC
+#endif
+
+#if defined(PLATFORM_LINUX) || defined(PLATFORM_MAC)
+ #define PLATFORM_UNIX
+#endif
+
+// platform-specific type aliases
+#if defined(PLATFORM_UNIX)
+ #define PLATFORM_PID pid_t
+#else
+ #define PLATFORM_PID DWORD
+#endif