Add a setting (defaulting to false) for enabling file handler plugins

Core/FileSystems/VirtualDiscFileSystem.h

@@ -17,16 +17,21 @@
 
 #pragma once
 
-// TODO: Remove the Windows-specific code, FILE is fine there too.
-
 #include <map>
 
+#include "ppsspp_config.h"
 #include "Common/File/Path.h"
 #include "Core/FileSystems/FileSystem.h"
 #include "Core/FileSystems/DirectoryFileSystem.h"
 
 extern const std::string INDEX_FILENAME;
 
+#if PPSSPP_PLATFORM(IOS) || PPSSPP_PLATFORM(ANDROID) || PPSSPP_PLATFORM(SWITCH) || PPSSPP_PLATFORM(UWP)
+#define PLATFORM_SUPPORTS_FILE_HANDLER_PLUGINS 0
+#else
+#define PLATFORM_SUPPORTS_FILE_HANDLER_PLUGINS 1
+#endif
+
 class VirtualDiscFileSystem: public IFileSystem {
 public:
 	VirtualDiscFileSystem(IHandleAllocator *_hAlloc, const Path &_basePath);