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oledb32: Implement IDataInitialize::GetInitializationString.
This commit is contained in:
Nikolay Sivov
Alexandre Julliard
parent
d587a1f102
commit
92013d7bd2
@ -27,13 +27,15 @@
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#include "ole2.h"
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#include "msdasc.h"
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#include "oledberr.h"
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#include "initguid.h"
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#include "oledb_private.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(oledb);
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DEFINE_GUID(DBPROPSET_DBINIT, 0xc8b522bc, 0x5cf3, 0x11ce, 0xad, 0xe5, 0x00, 0xaa, 0x00, 0x44, 0x77, 0x3d);
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typedef struct datainit
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{
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@ -288,14 +290,201 @@ static HRESULT WINAPI datainit_GetDataSource(IDataInitialize *iface, IUnknown *p
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return E_NOTIMPL;
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}
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static HRESULT WINAPI datainit_GetInitializationString(IDataInitialize *iface, IUnknown *pDataSource,
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boolean fIncludePassword, LPWSTR *ppwszInitString)
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/* returns character length of string representation */
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static int get_propvalue_length(DBPROP *prop)
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{
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VARIANT str;
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HRESULT hr;
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if (V_VT(&prop->vValue) == VT_BSTR) return SysStringLen(V_BSTR(&prop->vValue));
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VariantInit(&str);
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hr = VariantChangeType(&str, &prop->vValue, 0, VT_BSTR);
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if (hr == S_OK)
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{
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int len = SysStringLen(V_BSTR(&str));
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VariantClear(&str);
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return len;
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}
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return 0;
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}
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static void write_propvalue_str(WCHAR *str, DBPROP *prop)
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{
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VARIANT *v = &prop->vValue;
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VARIANT vstr;
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HRESULT hr;
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if (V_VT(v) == VT_BSTR)
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{
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strcatW(str, V_BSTR(v));
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return;
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}
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VariantInit(&vstr);
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hr = VariantChangeType(&vstr, v, VARIANT_ALPHABOOL, VT_BSTR);
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if (hr == S_OK)
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{
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strcatW(str, V_BSTR(&vstr));
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VariantClear(&vstr);
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}
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}
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static WCHAR *get_propinfo_descr(DBPROP *prop, DBPROPINFOSET *propinfoset)
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{
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int i;
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for (i = 0; i < propinfoset->cPropertyInfos; i++)
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if (propinfoset->rgPropertyInfos[i].dwPropertyID == prop->dwPropertyID)
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return propinfoset->rgPropertyInfos[i].pwszDescription;
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return NULL;
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}
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static void free_dbpropset(ULONG count, DBPROPSET *propset)
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{
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int i;
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for (i = 0; i < count; i++)
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{
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int p;
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for (p = 0; p < propset[i].cProperties; p++)
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{
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VariantClear(&propset[i].rgProperties[p].vValue);
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CoTaskMemFree(&propset[i].rgProperties[p]);
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}
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CoTaskMemFree(&propset[i]);
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}
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}
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static void free_dbpropinfoset(ULONG count, DBPROPINFOSET *propinfoset)
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{
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int i;
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for (i = 0; i < count; i++)
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{
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int p;
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for (p = 0; p < propinfoset[i].cPropertyInfos; p++)
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{
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VariantClear(&propinfoset[i].rgPropertyInfos[p].vValues);
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CoTaskMemFree(&propinfoset[i].rgPropertyInfos[p]);
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}
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CoTaskMemFree(&propinfoset[i]);
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}
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}
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static HRESULT WINAPI datainit_GetInitializationString(IDataInitialize *iface, IUnknown *datasource,
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boolean include_pass, LPWSTR *init_string)
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{
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static const WCHAR provW[] = {'P','r','o','v','i','d','e','r','=',0};
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static const WCHAR colW[] = {';',0};
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datainit *This = impl_from_IDataInitialize(iface);
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DBPROPINFOSET *propinfoset;
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IDBProperties *props;
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DBPROPIDSET propidset;
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ULONG count, infocount;
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WCHAR *progid, *desc;
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DBPROPSET *propset;
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IPersist *persist;
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HRESULT hr;
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CLSID clsid;
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int i, len;
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FIXME("(%p)->(%p %d %p)\n", This, pDataSource, fIncludePassword, ppwszInitString);
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TRACE("(%p)->(%p %d %p)\n", This, datasource, include_pass, init_string);
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return E_NOTIMPL;
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/* IPersist support is mandatory for data sources */
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hr = IUnknown_QueryInterface(datasource, &IID_IPersist, (void**)&persist);
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if (FAILED(hr)) return hr;
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memset(&clsid, 0, sizeof(clsid));
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hr = IPersist_GetClassID(persist, &clsid);
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IPersist_Release(persist);
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if (FAILED(hr)) return hr;
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progid = NULL;
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ProgIDFromCLSID(&clsid, &progid);
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TRACE("clsid=%s, progid=%s\n", debugstr_guid(&clsid), debugstr_w(progid));
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/* now get initialization properties */
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hr = IUnknown_QueryInterface(datasource, &IID_IDBProperties, (void**)&props);
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if (FAILED(hr))
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{
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WARN("IDBProperties not supported\n");
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CoTaskMemFree(progid);
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return hr;
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}
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propidset.rgPropertyIDs = NULL;
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propidset.cPropertyIDs = 0;
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propidset.guidPropertySet = DBPROPSET_DBINIT;
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propset = NULL;
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count = 0;
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hr = IDBProperties_GetProperties(props, 1, &propidset, &count, &propset);
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if (FAILED(hr))
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{
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WARN("failed to get data source properties, 0x%08x\n", hr);
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CoTaskMemFree(progid);
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return hr;
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}
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infocount = 0;
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IDBProperties_GetPropertyInfo(props, 1, &propidset, &infocount, &propinfoset, &desc);
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IDBProperties_Release(props);
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/* check if we need to skip password */
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len = strlenW(progid) + strlenW(provW) + 1; /* including ';' */
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for (i = 0; i < count; i++)
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{
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WCHAR *descr = get_propinfo_descr(&propset->rgProperties[i], propinfoset);
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if (descr)
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{
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/* include '=' and ';' */
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len += strlenW(descr) + 2;
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len += get_propvalue_length(&propset->rgProperties[i]);
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}
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if ((propset->rgProperties[i].dwPropertyID == DBPROP_AUTH_PERSIST_SENSITIVE_AUTHINFO) &&
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(V_BOOL(&propset->rgProperties[i].vValue) == VARIANT_FALSE))
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include_pass = FALSE;
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}
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len *= sizeof(WCHAR);
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*init_string = CoTaskMemAlloc(len);
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*init_string[0] = 0;
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/* provider name */
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strcatW(*init_string, provW);
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strcatW(*init_string, progid);
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strcatW(*init_string, colW);
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CoTaskMemFree(progid);
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for (i = 0; i < count; i++)
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{
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WCHAR *descr;
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if (!include_pass && propset->rgProperties[i].dwPropertyID == DBPROP_AUTH_PASSWORD) continue;
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descr = get_propinfo_descr(&propset->rgProperties[i], propinfoset);
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if (descr)
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{
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static const WCHAR eqW[] = {'=',0};
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strcatW(*init_string, descr);
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strcatW(*init_string, eqW);
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write_propvalue_str(*init_string, &propset->rgProperties[i]);
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strcatW(*init_string, colW);
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}
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}
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free_dbpropset(count, propset);
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free_dbpropinfoset(infocount, propinfoset);
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CoTaskMemFree(desc);
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if (!include_pass)
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TRACE("%s\n", debugstr_w(*init_string));
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return S_OK;
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}
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static HRESULT WINAPI datainit_CreateDBInstance(IDataInitialize *iface, REFCLSID provider,
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