wshom: Support default style argument in IWshShell3::Run.

dlls/wshom.ocx/shell.c

@@ -1332,9 +1332,9 @@ static WCHAR *split_command( BSTR cmd, WCHAR **params )
 static HRESULT WINAPI WshShell3_Run(IWshShell3 *iface, BSTR cmd, VARIANT *style, VARIANT *wait, int *exit_code)
 {
     SHELLEXECUTEINFOW info;
-    int waitforprocess;
+    int waitforprocess, show;
     WCHAR *file, *params;
-    VARIANT s;
+    VARIANT v;
     HRESULT hr;
     BOOL ret;
 
@@ -1343,25 +1343,26 @@ static HRESULT WINAPI WshShell3_Run(IWshShell3 *iface, BSTR cmd, VARIANT *style,
     if (!style || !wait || !exit_code)
         return E_POINTER;
 
-    VariantInit(&s);
-    hr = VariantChangeType(&s, style, 0, VT_I4);
+    if (is_optional_argument(style))
+        show = SW_SHOWNORMAL;
+    else {
+        VariantInit(&v);
+        hr = VariantChangeType(&v, style, 0, VT_I4);
         if (FAILED(hr))
-    {
-        ERR("failed to convert style argument, %#lx\n", hr);
             return hr;
+
+        show = V_I4(&v);
     }
 
     if (is_optional_argument(wait))
         waitforprocess = 0;
     else {
-        VARIANT w;
-
-        VariantInit(&w);
-        hr = VariantChangeType(&w, wait, 0, VT_I4);
+        VariantInit(&v);
+        hr = VariantChangeType(&v, wait, 0, VT_I4);
         if (FAILED(hr))
             return hr;
 
-        waitforprocess = V_I4(&w);
+        waitforprocess = V_I4(&v);
     }
 
     if (!(file = split_command(cmd, &params))) return E_OUTOFMEMORY;
@@ -1371,7 +1372,7 @@ static HRESULT WINAPI WshShell3_Run(IWshShell3 *iface, BSTR cmd, VARIANT *style,
     info.fMask = waitforprocess ? SEE_MASK_NOASYNC | SEE_MASK_NOCLOSEPROCESS : SEE_MASK_DEFAULT;
     info.lpFile = file;
     info.lpParameters = params;
-    info.nShow = V_I4(&s);
+    info.nShow = show;
 
     ret = ShellExecuteExW(&info);
     free(file);

dlls/wshom.ocx/tests/wshom.c

@@ -251,7 +251,7 @@ static void test_wshshell(void)
     retval = 0xdeadbeef;
     str = SysAllocString(L"cmd.exe /c rd /s /q c:\\nosuchdir");
     hr = IWshShell3_Run(sh3, str, &arg, &arg2, &retval);
-    todo_wine ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
     todo_wine ok(retval == ERROR_FILE_NOT_FOUND, "Unexpected retval %d.\n", retval);
     SysFreeString(str);