ole32/antimoniker: Fix argument handling in RelativePathTo().

dlls/ole32/antimoniker.c

@@ -438,20 +438,15 @@ static HRESULT WINAPI AntiMonikerImpl_CommonPrefixWith(IMoniker *iface, IMoniker
     return MonikerCommonPrefixWith(iface, other, prefix);
 }
 
-/******************************************************************************
- *        AntiMoniker_RelativePathTo
- ******************************************************************************/
-static HRESULT WINAPI
-AntiMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath)
+static HRESULT WINAPI AntiMonikerImpl_RelativePathTo(IMoniker *iface, IMoniker *other, IMoniker **result)
 {
-    TRACE("(%p,%p,%p)\n",iface,pmOther,ppmkRelPath);
+    TRACE("%p, %p, %p.\n", iface, other, result);
 
-    if (ppmkRelPath==NULL)
-        return E_POINTER;
-
-    IMoniker_AddRef(pmOther);
+    if (!other || !result)
+        return E_INVALIDARG;
 
-    *ppmkRelPath=pmOther;
+    IMoniker_AddRef(other);
+    *result = other;
 
     return MK_S_HIM;
 }

dlls/ole32/tests/moniker.c

@@ -3026,6 +3026,35 @@ todo_wine
     IBindCtx_Release(bindctx);
     IMoniker_Release(moniker);
     IMoniker_Release(moniker2);
+
+    /* RelativePathTo() */
+    moniker = create_antimoniker(1);
+    hr = create_moniker_from_desc("I1", &moniker2);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+    hr = IMoniker_RelativePathTo(moniker, NULL, NULL);
+    ok(hr == E_INVALIDARG, "Unexpected hr %#x.\n", hr);
+    hr = IMoniker_RelativePathTo(moniker, NULL, &moniker3);
+    ok(hr == E_INVALIDARG, "Unexpected hr %#x.\n", hr);
+    hr = IMoniker_RelativePathTo(moniker, moniker2, NULL);
+    ok(hr == E_INVALIDARG, "Unexpected hr %#x.\n", hr);
+    hr = IMoniker_RelativePathTo(moniker, moniker2, &moniker3);
+    ok(hr == MK_S_HIM, "Unexpected hr %#x.\n", hr);
+    ok(moniker3 == moniker2, "Unexpected object.\n");
+    IMoniker_Release(moniker3);
+    IMoniker_Release(moniker2);
+
+    moniker2 = create_antimoniker(2);
+    hr = IMoniker_RelativePathTo(moniker, moniker2, &moniker3);
+    ok(hr == MK_S_HIM, "Unexpected hr %#x.\n", hr);
+    ok(moniker3 == moniker2, "Unexpected object.\n");
+    IMoniker_Release(moniker3);
+    hr = IMoniker_RelativePathTo(moniker2, moniker, &moniker3);
+    ok(hr == MK_S_HIM, "Unexpected hr %#x.\n", hr);
+    ok(moniker3 == moniker, "Unexpected object.\n");
+    IMoniker_Release(moniker3);
+
+    IMoniker_Release(moniker2);
+    IMoniker_Release(moniker);
 }
 
 static void test_generic_composite_moniker(void)