amcus: add proper disable option

amcus/amcus.c

@@ -12,6 +12,7 @@
 #include "util/dprintf.h"
 
 // https://dev.s-ul.net/djhackers/bemanitools/-/blob/master/src/main/dinput/device_dinput8.c
+static bool is_enable = false;
 
 static HRESULT STDAPICALLTYPE my_CoCreateInstance(
     const IID *const rclsid,
@@ -46,17 +47,26 @@ HRESULT amcus_hook_init(struct amcus_config *cfg)
         return S_OK;
     }
 
+    is_enable = true;
+
     dprintf("AMCUS: init\n");
 
-    hook_table_apply(
-            NULL,
-            "ole32.dll",
-            amcus_hook_syms,
-            _countof(amcus_hook_syms));
+    amcus_insert_hooks(NULL);
 
     return S_OK;
 }
 
+void amcus_insert_hooks(HMODULE target)
+{
+    if (is_enable) {        
+        hook_table_apply(
+                target,
+                "ole32.dll",
+                amcus_hook_syms,
+                _countof(amcus_hook_syms));
+    }
+}
+
 static HRESULT STDAPICALLTYPE my_CoCreateInstance(
     const IID *const rclsid,
     LPUNKNOWN pUnkOuter,

amcus/amcus.h

@@ -6,6 +6,7 @@
 #include "amcus/iauth.h"
 
 HRESULT amcus_hook_init(struct amcus_config *cfg);
+void amcus_insert_hooks(HMODULE target);
 
 DEFINE_GUID(
     amcus_rclsid,