Alistair Leslie-Hughes : sapi: Implement ISpRegDataKey GetStringValue.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e58bd59277dbe36c2f0344f6406113a4ae47265e
URL:    https://gitlab.winehq.org/wine/wine/-/commit/e58bd59277dbe36c2f0344f6406113a...

Author: Alistair Leslie-Hughes 
Date:   Wed Sep 22 19:01:44 2021 +1000

sapi: Implement ISpRegDataKey GetStringValue.

---

dlls/sapi/tests/token.c | 10 ++++++++++
 dlls/sapi/token.c       | 29 +++++++++++++++++++++++++++--
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/dlls/sapi/tests/token.c b/dlls/sapi/tests/token.c
index 63f5c651a50..7778f4e61db 100644
--- a/dlls/sapi/tests/token.c
+++ b/dlls/sapi/tests/token.c
@@ -33,6 +33,7 @@ static void test_data_key(void)
     HRESULT hr;
     HKEY key;
     LONG res;
+    WCHAR *value;

hr = CoCreateInstance( &CLSID_SpDataKey, NULL, CLSCTX_INPROC_SERVER,
                            &IID_ISpRegDataKey, (void **)&data_key );
@@ -45,11 +46,20 @@ static void test_data_key(void)
     hr = ISpRegDataKey_CreateKey( data_key, L"Testing", &sub );
     ok( hr == E_HANDLE, "got %08lx\n", hr );

+    hr = ISpRegDataKey_GetStringValue( data_key, L"Voice", &value );
+    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_GetStringValue( data_key, L"Voice", &value );
+    ok( hr == SPERR_NOT_FOUND, "got %08lx\n", hr );
+
+    hr = ISpRegDataKey_GetStringValue( data_key, L"", &value );
+    ok( hr == SPERR_NOT_FOUND, "got %08lx\n", hr );
+
     hr = ISpRegDataKey_CreateKey( data_key, L"Testing", &sub );
     ok( hr == S_OK, "got %08lx\n", hr );
     ISpDataKey_Release(sub);
diff --git a/dlls/sapi/token.c b/dlls/sapi/token.c
index 133d27a2a66..b5cfc45e5a3 100644
--- a/dlls/sapi/token.c
+++ b/dlls/sapi/token.c
@@ -117,8 +117,33 @@ static HRESULT WINAPI data_key_SetStringValue( ISpRegDataKey *iface,
 static HRESULT WINAPI data_key_GetStringValue( ISpRegDataKey *iface,
                                                LPCWSTR name, LPWSTR *value )
 {
-    FIXME( "stub\n" );
-    return E_NOTIMPL;
+    struct data_key *This = impl_from_ISpRegDataKey( iface );
+    DWORD ret, size;
+    WCHAR *content;
+
+    TRACE( "%p, %s, %p\n", This, debugstr_w(name), value);
+
+    if (!This->key)
+        return E_HANDLE;
+
+    size = 0;
+    ret = RegGetValueW( This->key, NULL, name, RRF_RT_REG_SZ, NULL, NULL, &size );
+    if (ret != ERROR_SUCCESS)
+        return SPERR_NOT_FOUND;
+
+    content = CoTaskMemAlloc(size);
+    if (!content)
+        return E_OUTOFMEMORY;
+
+    ret = RegGetValueW( This->key, NULL, name, RRF_RT_REG_SZ, NULL, content, &size );
+    if (ret != ERROR_SUCCESS)
+    {
+        CoTaskMemFree(content);
+        return HRESULT_FROM_WIN32(ret);
+    }
+
+    *value = content;
+    return S_OK;
 }

static HRESULT WINAPI data_key_SetDWORD( ISpRegDataKey *iface,