Signed-off-by: Nikolay Sivov nsivov@codeweavers.com ---
It's used to compare MF_ATTRIBUTE_BLOB attributes.
dlls/propsys/propvar.c | 13 ++++++- dlls/propsys/tests/propsys.c | 75 +++++++++++++++++++++++++++++++++++- 2 files changed, 85 insertions(+), 3 deletions(-)
diff --git a/dlls/propsys/propvar.c b/dlls/propsys/propvar.c index a18d83eabab..977fbebb918 100644 --- a/dlls/propsys/propvar.c +++ b/dlls/propsys/propvar.c @@ -798,7 +798,10 @@ static BOOL isemptyornull(const PROPVARIANT *propvar) if (propvar->vt == VT_CLSID) return !propvar->puuid;
- /* FIXME: vectors, byrefs, errors? */ + if (propvar->vt & VT_VECTOR) + return !propvar->caub.cElems; + + /* FIXME: byrefs, errors? */ return FALSE; }
@@ -807,6 +810,7 @@ INT WINAPI PropVariantCompareEx(REFPROPVARIANT propvar1, REFPROPVARIANT propvar2 { const PROPVARIANT *propvar2_converted; PROPVARIANT propvar2_static; + unsigned int count; HRESULT hr; INT res=-1;
@@ -894,6 +898,13 @@ INT WINAPI PropVariantCompareEx(REFPROPVARIANT propvar1, REFPROPVARIANT propvar2 res = memcmp(propvar1->puuid, propvar2->puuid, sizeof(*propvar1->puuid)); if (res) res = res > 0 ? 1 : -1; break; + case VT_VECTOR | VT_UI1: + count = min(propvar1->caub.cElems, propvar2->caub.cElems); + res = count ? memcmp(propvar1->caub.pElems, propvar2->caub.pElems, sizeof(*propvar1->caub.pElems) * count) : 0; + if (res) res = res > 0 ? 1 : -1; + if (!res && propvar1->caub.cElems != propvar2->caub.cElems) + res = propvar1->caub.cElems > propvar2->caub.cElems ? 1 : -1; + break; default: FIXME("vartype %#x not handled\n", propvar1->vt); res = -1; diff --git a/dlls/propsys/tests/propsys.c b/dlls/propsys/tests/propsys.c index 07d035376d9..9ffa048a8b7 100644 --- a/dlls/propsys/tests/propsys.c +++ b/dlls/propsys/tests/propsys.c @@ -666,15 +666,18 @@ static void test_PropVariantToStringAlloc(void) CoTaskMemFree(str); }
-static void test_PropVariantCompare(void) +static void test_PropVariantCompareEx(void) { PROPVARIANT empty, null, emptyarray, i2_0, i2_2, i4_large, i4_largeneg, i4_2, str_2, str_02, str_b; PROPVARIANT clsid_null, clsid, clsid2, r4_0, r4_2, r8_0, r8_2; + PROPVARIANT var1, var2; INT res; static const WCHAR str_2W[] = {'2', 0}; static const WCHAR str_02W[] = {'0', '2', 0}; static const WCHAR str_bW[] = {'b', 0}; SAFEARRAY emptysafearray; + unsigned char bytevector1[] = {1,2,3}; + unsigned char bytevector2[] = {4,5,6};
PropVariantInit(&empty); PropVariantInit(&null); @@ -847,6 +850,74 @@ todo_wine res = PropVariantCompareEx(&r8_2, &r8_0, 0, 0); ok(res == 1, "res=%i\n", res);
+ /* VT_VECTOR | VT_UI1 */ + var1.vt = VT_VECTOR | VT_UI1; + var1.caub.cElems = 1; + var1.caub.pElems = bytevector1; + var2.vt = VT_VECTOR | VT_UI1; + var2.caub.cElems = 1; + var2.caub.pElems = bytevector2; + + res = PropVariantCompareEx(&var1, &var2, 0, 0); + ok(res == -1, "res=%i\n", res); + + res = PropVariantCompareEx(&var2, &var1, 0, 0); + ok(res == 1, "res=%i\n", res); + + /* Vector length mismatch */ + var1.caub.cElems = 2; + res = PropVariantCompareEx(&var1, &var2, 0, 0); + ok(res == -1, "res=%i\n", res); + + res = PropVariantCompareEx(&var2, &var1, 0, 0); + ok(res == 1, "res=%i\n", res); + + var1.caub.pElems = bytevector2; + var2.caub.pElems = bytevector1; + res = PropVariantCompareEx(&var1, &var2, 0, 0); + ok(res == 1, "res=%i\n", res); + + var1.caub.pElems = bytevector1; + var2.caub.pElems = bytevector2; + + var1.caub.cElems = 1; + var2.caub.cElems = 2; + res = PropVariantCompareEx(&var1, &var2, 0, 0); + ok(res == -1, "res=%i\n", res); + + res = PropVariantCompareEx(&var2, &var1, 0, 0); + ok(res == 1, "res=%i\n", res); + + /* Length mismatch over same data */ + var1.caub.pElems = bytevector1; + var2.caub.pElems = bytevector1; + + res = PropVariantCompareEx(&var1, &var2, 0, 0); + ok(res == -1, "res=%i\n", res); + + res = PropVariantCompareEx(&var2, &var1, 0, 0); + ok(res == 1, "res=%i\n", res); + + var1.caub.cElems = 1; + var2.caub.cElems = 1; + res = PropVariantCompareEx(&var1, &var2, 0, 0); + ok(res == 0, "res=%i\n", res); + + var1.caub.cElems = 0; + res = PropVariantCompareEx(&var1, &var2, 0, PVCF_TREATEMPTYASGREATERTHAN); + ok(res == 1, "res=%i\n", res); + res = PropVariantCompareEx(&var2, &var1, 0, PVCF_TREATEMPTYASGREATERTHAN); + ok(res == -1, "res=%i\n", res); + + res = PropVariantCompareEx(&var1, &var2, 0, 0); + ok(res == -1, "res=%i\n", res); + res = PropVariantCompareEx(&var2, &var1, 0, 0); + ok(res == 1, "res=%i\n", res); + + var2.caub.cElems = 0; + res = PropVariantCompareEx(&var1, &var2, 0, 0); + ok(res == 0, "res=%i\n", res); + SysFreeString(str_2.bstrVal); SysFreeString(str_02.bstrVal); SysFreeString(str_b.bstrVal); @@ -1957,7 +2028,7 @@ START_TEST(propsys) test_InitPropVariantFromBuffer(); test_PropVariantToGUID(); test_PropVariantToStringAlloc(); - test_PropVariantCompare(); + test_PropVariantCompareEx(); test_intconversions(); test_PropVariantChangeType_LPWSTR(); test_PropVariantToBoolean();