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oledb32: Implement conversions to DBTYPE_BSTR.

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This commit is contained in:
Huw Davies 2009-09-23 14:46:55 +01:00 committed by Alexandre Julliard
parent 12037aa441
commit a2e069b159
2 changed files with 85 additions and 0 deletions
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27
dlls/oledb32/convert.c
View File

@ -126,6 +126,8 @@ static int get_length(DBTYPE type)
case DBTYPE_I8:
case DBTYPE_UI8:
return 8;
case DBTYPE_BSTR:
return sizeof(BSTR);
default:
FIXME("Unhandled type %04x\n", type);
return 0;
@ -250,6 +252,31 @@ static HRESULT WINAPI convert_DataConvert(IDataConvert* iface,
break;
}
case DBTYPE_BSTR:
{
BSTR *d = dst;
switch(src_type)
{
case DBTYPE_EMPTY: *d = SysAllocStringLen(NULL, 0); hr = *d ? S_OK : E_OUTOFMEMORY; break;
case DBTYPE_I2: hr = VarBstrFromI2(*(signed short*)src, LOCALE_USER_DEFAULT, 0, d); break;
case DBTYPE_I4: hr = VarBstrFromI4(*(signed int*)src, LOCALE_USER_DEFAULT, 0, d); break;
case DBTYPE_R4: hr = VarBstrFromR4(*(FLOAT*)src, LOCALE_USER_DEFAULT, 0, d); break;
case DBTYPE_R8: hr = VarBstrFromR8(*(double*)src, LOCALE_USER_DEFAULT, 0, d); break;
case DBTYPE_CY: hr = VarBstrFromCy(*(CY*)src, LOCALE_USER_DEFAULT, 0, d); break;
case DBTYPE_DATE: hr = VarBstrFromDate(*(DATE*)src, LOCALE_USER_DEFAULT, 0, d); break;
case DBTYPE_BSTR: *d = SysAllocStringLen(*(BSTR*)src, SysStringLen(*(BSTR*)src)); hr = *d ? S_OK : E_OUTOFMEMORY; break;
case DBTYPE_BOOL: hr = VarBstrFromBool(*(VARIANT_BOOL*)src, LOCALE_USER_DEFAULT, 0, d); break;
case DBTYPE_DECIMAL: hr = VarBstrFromDec((DECIMAL*)src, LOCALE_USER_DEFAULT, 0, d); break;
case DBTYPE_I1: hr = VarBstrFromI1(*(signed char*)src, LOCALE_USER_DEFAULT, 0, d); break;
case DBTYPE_UI1: hr = VarBstrFromUI1(*(BYTE*)src, LOCALE_USER_DEFAULT, 0, d); break;
case DBTYPE_UI2: hr = VarBstrFromUI2(*(WORD*)src, LOCALE_USER_DEFAULT, 0, d); break;
case DBTYPE_UI4: hr = VarBstrFromUI4(*(DWORD*)src, LOCALE_USER_DEFAULT, 0, d); break;
case DBTYPE_I8: hr = VarBstrFromI8(*(LONGLONG*)src, LOCALE_USER_DEFAULT, 0, d); break;
case DBTYPE_UI8: hr = VarBstrFromUI8(*(ULONGLONG*)src, LOCALE_USER_DEFAULT, 0, d); break;
default: FIXME("Unimplemented conversion %04x -> BSTR\n", src_type); return E_NOTIMPL;
}
break;
}
default:
FIXME("Unimplemented conversion %04x -> %04x\n", src_type, dst_type);
return E_NOTIMPL;

58
dlls/oledb32/tests/convert.c
View File

@ -843,6 +843,63 @@ todo_wine
IDataConvert_Release(convert);
}
static void test_converttobstr(void)
{
IDataConvert *convert;
HRESULT hr;
BSTR dst;
BYTE src[20];
DBSTATUS dst_status;
DBLENGTH dst_len;
static const WCHAR ten[] = {'1','0',0};
BSTR b;
hr = CoCreateInstance(&CLSID_OLEDB_CONVERSIONLIBRARY, NULL, CLSCTX_INPROC_SERVER, &IID_IDataConvert, (void**)&convert);
if(FAILED(hr))
{
win_skip("Unable to load oledb conversion library\n");
return;
}
hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_BSTR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
ok(hr == S_OK, "got %08x\n", hr);
ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
ok(dst_len == sizeof(dst), "got %d\n", dst_len);
ok(dst != NULL, "got %p\n", dst);
ok(SysStringLen(dst) == 0, "got %d\n", SysStringLen(dst));
SysFreeString(dst);
dst = (void*)0x1234;
hr = IDataConvert_DataConvert(convert, DBTYPE_NULL, DBTYPE_BSTR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
ok(dst_len == sizeof(dst), "got %d\n", dst_len);
ok(dst == (void*)0x1234, "got %p\n", dst);
*(short *)src = 4321;
hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_BSTR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
ok(hr == S_OK, "got %08x\n", hr);
ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
ok(dst_len == sizeof(dst), "got %d\n", dst_len);
ok(dst != NULL, "got %p\n", dst);
ok(SysStringLen(dst) == 4, "got %d\n", SysStringLen(dst));
SysFreeString(dst);
b = SysAllocString(ten);
*(BSTR *)src = b;
hr = IDataConvert_DataConvert(convert, DBTYPE_BSTR, DBTYPE_BSTR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
ok(hr == S_OK, "got %08x\n", hr);
ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
ok(dst_len == sizeof(dst), "got %d\n", dst_len);
ok(dst != NULL, "got %p\n", dst);
ok(dst != b, "got %p src %p\n", dst, b);
ok(!lstrcmpW(b, dst), "got %s\n", wine_dbgstr_w(dst));
SysFreeString(dst);
SysFreeString(b);
IDataConvert_Release(convert);
}
START_TEST(convert)
{
@ -851,5 +908,6 @@ START_TEST(convert)
test_canconvert();
test_converttoi2();
test_converttoi4();
test_converttobstr();
OleUninitialize();
}