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msdasql: Implement MSDASQL provider. 

Signed-off-by: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alistair Leslie-Hughes 2021-10-25 20:34:31 +11:00 committed by Alexandre Julliard
parent a5cee97c7e
commit 00d2ca25b0
1 changed files with 98 additions and 9 deletions
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107
dlls/msdasql/msdasql_main.c
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@ -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)
{
FIXME("(%p %s %p)\n", outer, debugstr_guid(riid), ppv);
static HRESULT create_msdasql_provider(REFIID riid, void **ppv);
return CLASS_E_CLASSNOTAVAILABLE;
HRESULT WINAPI msdasql_CreateInstance(IClassFactory *iface, IUnknown *outer, REFIID riid, void **ppv)
{
TRACE("(%p %s %p)\n", outer, debugstr_guid(riid), ppv);
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;
}