Alistair Leslie-Hughes : msdasql: Implement MSDASQL provider.
Alexandre Julliard
julliard at winehq.org
Mon Oct 25 16:30:08 CDT 2021
Module: wine
Branch: master
Commit: 00d2ca25b0b161570cea54d7d2cb4f977a5a22fc
URL: https://source.winehq.org/git/wine.git/?a=commit;h=00d2ca25b0b161570cea54d7d2cb4f977a5a22fc
Author: Alistair Leslie-Hughes <leslie_alistair at hotmail.com>
Date: Mon Oct 25 20:34:31 2021 +1100
msdasql: Implement MSDASQL provider.
Signed-off-by: Alistair Leslie-Hughes <leslie_alistair at hotmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/msdasql/msdasql_main.c | 105 ++++++++++++++++++++++++++++++++++++++++----
1 file changed, 97 insertions(+), 8 deletions(-)
diff --git a/dlls/msdasql/msdasql_main.c b/dlls/msdasql/msdasql_main.c
index c3c54ba2606..91978ad9c1a 100644
--- a/dlls/msdasql/msdasql_main.c
+++ b/dlls/msdasql/msdasql_main.c
@@ -64,11 +64,13 @@ static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
return 1;
}
-HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *outer, REFIID riid, void **ppv)
+static HRESULT create_msdasql_provider(REFIID riid, void **ppv);
+
+HRESULT WINAPI msdasql_CreateInstance(IClassFactory *iface, IUnknown *outer, REFIID riid, void **ppv)
{
- FIXME("(%p %s %p)\n", outer, debugstr_guid(riid), ppv);
+ TRACE("(%p %s %p)\n", outer, debugstr_guid(riid), ppv);
- return CLASS_E_CLASSNOTAVAILABLE;
+ return create_msdasql_provider(riid, ppv);
}
static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
@@ -77,18 +79,105 @@ static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
return S_OK;
}
-static const IClassFactoryVtbl cffactoryVtbl = {
+static const IClassFactoryVtbl cfmsdasqlVtbl = {
ClassFactory_QueryInterface,
ClassFactory_AddRef,
ClassFactory_Release,
- ClassFactory_CreateInstance,
+ msdasql_CreateInstance,
ClassFactory_LockServer
};
-static IClassFactory cffactory = { &cffactoryVtbl };
+static IClassFactory cfmsdasql = { &cfmsdasqlVtbl };
HRESULT WINAPI DllGetClassObject( REFCLSID rclsid, REFIID riid, void **ppv )
{
- FIXME("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
- return IClassFactory_QueryInterface(&cffactory, riid, ppv);
+ TRACE("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
+
+ if (IsEqualGUID(&CLSID_MSDASQL, rclsid))
+ return IClassFactory_QueryInterface(&cfmsdasql, riid, ppv);
+
+ return CLASS_E_CLASSNOTAVAILABLE;
+}
+
+struct msdasql
+{
+ IUnknown MSDASQL_iface;
+
+ LONG ref;
+};
+
+static inline struct msdasql *impl_from_IUnknown(IUnknown *iface)
+{
+ return CONTAINING_RECORD(iface, struct msdasql, MSDASQL_iface);
+}
+
+static HRESULT WINAPI msdsql_QueryInterface(IUnknown *iface, REFIID riid, void **out)
+{
+ struct msdasql *provider = impl_from_IUnknown(iface);
+
+ TRACE("(%p)->(%s %p)\n", provider, debugstr_guid(riid), out);
+
+ if(IsEqualGUID(riid, &IID_IUnknown) ||
+ IsEqualGUID(riid, &CLSID_MSDASQL))
+ {
+ *out = &provider->MSDASQL_iface;
+ }
+ else
+ {
+ FIXME("(%s, %p)\n", debugstr_guid(riid), out);
+ *out = NULL;
+ return E_NOINTERFACE;
+ }
+
+ IUnknown_AddRef((IUnknown*)*out);
+ return S_OK;
+}
+
+static ULONG WINAPI msdsql_AddRef(IUnknown *iface)
+{
+ struct msdasql *provider = impl_from_IUnknown(iface);
+ ULONG ref = InterlockedIncrement(&provider->ref);
+
+ TRACE("(%p) ref=%u\n", provider, ref);
+
+ return ref;
+}
+
+static ULONG WINAPI msdsql_Release(IUnknown *iface)
+{
+ struct msdasql *provider = impl_from_IUnknown(iface);
+ ULONG ref = InterlockedDecrement(&provider->ref);
+
+ TRACE("(%p) ref=%u\n", provider, ref);
+
+ if (!ref)
+ {
+ free(provider);
+ }
+
+ return ref;
+}
+
+static const IUnknownVtbl msdsql_vtbl =
+{
+ msdsql_QueryInterface,
+ msdsql_AddRef,
+ msdsql_Release
+};
+
+static HRESULT create_msdasql_provider(REFIID riid, void **ppv)
+{
+ struct msdasql *provider;
+ HRESULT hr;
+
+ provider = malloc(sizeof(struct msdasql));
+ if (!provider)
+ return E_OUTOFMEMORY;
+
+ provider->MSDASQL_iface.lpVtbl = &msdsql_vtbl;
+ provider->ref = 1;
+
+ hr = IUnknown_QueryInterface(&provider->MSDASQL_iface, riid, ppv);
+ IUnknown_Release(&provider->MSDASQL_iface);
+ return hr;
}
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