Should actually be long instead of ulong.

RegOpenKeyExA needs a longlong so it is 64-bit when running 64-bit.

Author: Russell Mora

lib/native/adv_api.js

@@ -12,7 +12,7 @@ var advApi = ffi.Library('Advapi32', {
     _Out_ PHKEY  phkResult
     );
     */
-    RegOpenCurrentUser: ['ulong', [types.REGSAM, types.PHKEY]],
+    RegOpenCurrentUser: ['long', [types.REGSAM, types.PHKEY]],
     /*
     LONG WINAPI RegQueryValueEx(
     _In_        HKEY    hKey,
@@ -23,7 +23,7 @@ var advApi = ffi.Library('Advapi32', {
     _Inout_opt_ LPDWORD lpcbDataRegOpenKeyExA
     );
     */
-    RegQueryValueExA: ['ulong', [types.HKEY, 'string', 'pointer', types.LPDWORD, types.LPBYTE, types.LPDWORD]],
+    RegQueryValueExA: ['long', [types.HKEY, 'string', 'pointer', types.LPDWORD, types.LPBYTE, types.LPDWORD]],
     /*
     LONG WINAPI RegOpenKeyEx(
     _In_     HKEY    hKey,
@@ -33,7 +33,7 @@ var advApi = ffi.Library('Advapi32', {
     _Out_    PHKEY   phkResult
     );
     */
-    RegOpenKeyExA: ['ulong', ['ulong', 'string', types.DWORD, types.REGSAM, types.PHKEY]],
+    RegOpenKeyExA: ['long', ['longlong', 'string', types.DWORD, types.REGSAM, types.PHKEY]],
     /*
     LONG WINAPI RegSetValueEx(
     _In_             HKEY    hKey,
@@ -44,7 +44,7 @@ var advApi = ffi.Library('Advapi32', {
     _In_             DWORD   cbData
     );
     */
-    RegSetValueExA: ['ulong', [types.HKEY, 'string', 'pointer', types.DWORD, types.LPBYTE, types.DWORD]],
+    RegSetValueExA: ['long', [types.HKEY, 'string', 'pointer', types.DWORD, types.LPBYTE, types.DWORD]],
     /**
      * LONG WINAPI RegCreateKeyEx(
         _In_       HKEY                  hKey,
@@ -58,20 +58,20 @@ var advApi = ffi.Library('Advapi32', {
         _Out_opt_  LPDWORD               lpdwDisposition
       );
     */
-    RegCreateKeyExA: ['ulong', [types.HKEY, 'string', 'pointer', 'pointer', types.DWORD, types.REGSAM, 'pointer', types.PHKEY, 'pointer']],
+    RegCreateKeyExA: ['long', [types.HKEY, 'string', 'pointer', 'pointer', types.DWORD, types.REGSAM, 'pointer', types.PHKEY, 'pointer']],
     /*
       LONG WINAPI RegDeleteTree(
       _In_     HKEY    hKey,
       _In_opt_ LPCTSTR lpSubKey
       );
     */
-    RegDeleteTreeA: ['ulong', [types.HKEY, 'string']],
+    RegDeleteTreeA: ['long', [types.HKEY, 'string']],
     /*
     LONG WINAPI RegCloseKey(
     _In_ HKEY hKey
     );
     */
-    RegCloseKey: ['ulong', [types.HKEY]]
+    RegCloseKey: ['long', [types.HKEY]]
 });
 
 module.exports = advApi;

lib/registry.js

@@ -30,7 +30,7 @@ var api = {
 
         // RegOpenKeyEx can also take an HKEY in addition to a predefined value
         var advApi2 = ffi.Library('Advapi32', {
-            RegOpenKeyExA: ['ulong', [types.HKEY, 'string', types.DWORD, types.REGSAM, types.PHKEY]]
+            RegOpenKeyExA: ['long', [types.HKEY, 'string', types.DWORD, types.REGSAM, types.PHKEY]]
         });
         var result = advApi2.RegOpenKeyExA(keyObject.handle.deref(), subKeyName, 0, accessLevel, pHkey);