From 3f0ee3ea2fdfbb57d84d91554a4338b2132b36a4 Mon Sep 17 00:00:00 2001
From: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>
Date: Wed, 22 Sep 2021 19:01:44 +1000
Subject: [PATCH] sapi: Implement ISpRegDataKey CreateKey.

---
 dlls/sapi/tests/token.c |  8 ++++++++
 dlls/sapi/token.c       | 24 ++++++++++++++++++++++--
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/dlls/sapi/tests/token.c b/dlls/sapi/tests/token.c
index a65669b585a..63f5c651a50 100644
--- a/dlls/sapi/tests/token.c
+++ b/dlls/sapi/tests/token.c
@@ -29,6 +29,7 @@
 static void test_data_key(void)
 {
     ISpRegDataKey *data_key;
+    ISpDataKey *sub;
     HRESULT hr;
     HKEY key;
     LONG res;
@@ -41,11 +42,18 @@ static void test_data_key(void)
                            NULL, &key, NULL );
     ok( res == ERROR_SUCCESS, "got %ld\n", res );
 
+    hr = ISpRegDataKey_CreateKey( data_key, L"Testing", &sub );
+    ok( hr == E_HANDLE, "got %08lx\n", hr );
+
     hr = ISpRegDataKey_SetKey( data_key, key, FALSE );
     ok( hr == S_OK, "got %08lx\n", hr );
     hr = ISpRegDataKey_SetKey( data_key, key, FALSE );
     ok( hr == SPERR_ALREADY_INITIALIZED, "got %08lx\n", hr );
 
+    hr = ISpRegDataKey_CreateKey( data_key, L"Testing", &sub );
+    ok( hr == S_OK, "got %08lx\n", hr );
+    ISpDataKey_Release(sub);
+
     ISpRegDataKey_Release( data_key );
 }
 
diff --git a/dlls/sapi/token.c b/dlls/sapi/token.c
index 6993ffdbac1..133d27a2a66 100644
--- a/dlls/sapi/token.c
+++ b/dlls/sapi/token.c
@@ -145,8 +145,28 @@ static HRESULT WINAPI data_key_OpenKey( ISpRegDataKey *iface,
 static HRESULT WINAPI data_key_CreateKey( ISpRegDataKey *iface,
                                           LPCWSTR name, ISpDataKey **sub_key )
 {
-    FIXME( "stub\n" );
-    return E_NOTIMPL;
+    struct data_key *This = impl_from_ISpRegDataKey( iface );
+    ISpRegDataKey *spregkey;
+    HRESULT hr;
+    HKEY key;
+    LONG res;
+
+    TRACE( "%p, %s, %p\n", This, debugstr_w(name), sub_key );
+
+    res = RegCreateKeyExW( This->key, name, 0, NULL, 0, KEY_ALL_ACCESS, NULL, &key, NULL );
+    if (res != ERROR_SUCCESS)
+        return HRESULT_FROM_WIN32(res);
+
+    hr = data_key_create(NULL, &IID_ISpRegDataKey, (void**)&spregkey);
+    if (SUCCEEDED(hr))
+    {
+        hr = ISpRegDataKey_SetKey(spregkey, key, FALSE);
+        if (SUCCEEDED(hr))
+            hr = ISpRegDataKey_QueryInterface(spregkey, &IID_ISpDataKey, (void**)sub_key);
+        ISpRegDataKey_Release(spregkey);
+    }
+
+    return hr;
 }
 
 static HRESULT WINAPI data_key_DeleteKey( ISpRegDataKey *iface, LPCWSTR name )
-- 
2.11.4.GIT