user32: Add some tests for window station and desktop object names.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/user32/tests/winstation.c

@@ -205,6 +205,35 @@ static void test_handles(void)
     else if (le == ERROR_ACCESS_DENIED)
         win_skip( "Not enough privileges for CreateWindowStation\n" );
 
+    SetLastError( 0xdeadbeef );
+    w2 = OpenWindowStationA( "", TRUE, WINSTA_ALL_ACCESS );
+    ok( !w2, "open station succeeded\n" );
+    todo_wine
+    ok( GetLastError() == ERROR_FILE_NOT_FOUND, "wrong error %u\n", GetLastError() );
+
+    SetLastError( 0xdeadbeef );
+    w2 = CreateWindowStationA( "", 0, WINSTA_ALL_ACCESS, NULL );
+    ok( w2 != 0, "create station failed err %u\n", GetLastError() );
+
+    SetLastError( 0xdeadbeef );
+    w3 = OpenWindowStationA( "", TRUE, WINSTA_ALL_ACCESS );
+    todo_wine
+    ok( w3 != 0, "open station failed err %u\n", GetLastError() );
+    CloseWindowStation( w3 );
+    CloseWindowStation( w2 );
+
+    SetLastError( 0xdeadbeef );
+    w2 = CreateWindowStationA( "foo\\bar", 0, WINSTA_ALL_ACCESS, NULL );
+    ok( !w2, "create station succeeded\n" );
+    todo_wine
+    ok( GetLastError() == ERROR_PATH_NOT_FOUND || GetLastError() == ERROR_ACCESS_DENIED,
+        "wrong error %u\n", GetLastError() );
+
+    SetLastError( 0xdeadbeef );
+    w2 = OpenWindowStationA( "foo\\bar", TRUE, WINSTA_ALL_ACCESS );
+    ok( !w2, "create station succeeded\n" );
+    ok( GetLastError() == ERROR_PATH_NOT_FOUND, "wrong error %u\n", GetLastError() );
+
     /* desktops */
     d1 = GetThreadDesktop(GetCurrentThreadId());
     initial_desktop = d1;
@@ -239,6 +268,30 @@ static void test_handles(void)
     d2 = OpenDesktopA( "dummy name", 0, TRUE, DESKTOP_ALL_ACCESS );
     ok( !d2, "open dummy desktop succeeded\n" );
 
+    SetLastError( 0xdeadbeef );
+    d2 = CreateDesktopA( "", NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL );
+    todo_wine
+    ok( !d2, "create empty desktop succeeded\n" );
+    todo_wine
+    ok( GetLastError() == ERROR_INVALID_HANDLE, "wrong error %u\n", GetLastError() );
+
+    SetLastError( 0xdeadbeef );
+    d2 = OpenDesktopA( "", 0, TRUE, DESKTOP_ALL_ACCESS );
+    ok( !d2, "open mepty desktop succeeded\n" );
+    todo_wine
+    ok( GetLastError() == ERROR_INVALID_HANDLE, "wrong error %u\n", GetLastError() );
+
+    SetLastError( 0xdeadbeef );
+    d2 = CreateDesktopA( "foo\\bar", NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL );
+    ok( !d2, "create desktop succeeded\n" );
+    ok( GetLastError() == ERROR_BAD_PATHNAME, "wrong error %u\n", GetLastError() );
+
+    SetLastError( 0xdeadbeef );
+    d2 = OpenDesktopA( "foo\\bar", 0, TRUE, DESKTOP_ALL_ACCESS );
+    ok( !d2, "open desktop succeeded\n" );
+    todo_wine
+    ok( GetLastError() == ERROR_BAD_PATHNAME, "wrong error %u\n", GetLastError() );
+
     d2 = CreateDesktopA( "foobar", NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL );
     ok( d2 != 0, "create foobar desktop failed\n" );
     SetLastError( 0xdeadbeef );

dlls/user32/winstation.c

@@ -118,8 +118,7 @@ HWINSTA WINAPI CreateWindowStationW( LPCWSTR name, DWORD reserved, ACCESS_MASK a
                           ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
         req->rootdir    = wine_server_obj_handle( get_winstations_dir_handle() );
         wine_server_add_data( req, name, len * sizeof(WCHAR) );
-        /* it doesn't seem to set last error */
+        wine_server_call_err( req );
-        wine_server_call( req );
         ret = wine_server_ptr_handle( reply->handle );
     }
     SERVER_END_REQ;
@@ -316,8 +315,7 @@ HDESK WINAPI CreateDesktopW( LPCWSTR name, LPCWSTR device, LPDEVMODEW devmode,
         req->attributes = OBJ_CASE_INSENSITIVE | OBJ_OPENIF |
                           ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
         wine_server_add_data( req, name, len * sizeof(WCHAR) );
-        /* it doesn't seem to set last error */
+        wine_server_call_err( req );
-        wine_server_call( req );
         ret = wine_server_ptr_handle( reply->handle );
     }
     SERVER_END_REQ;
@@ -359,7 +357,7 @@ HDESK open_winstation_desktop( HWINSTA hwinsta, LPCWSTR name, DWORD flags, BOOL
         req->access     = access;
         req->attributes = OBJ_CASE_INSENSITIVE | (inherit ? OBJ_INHERIT : 0);
         wine_server_add_data( req, name, len * sizeof(WCHAR) );
-        if (!wine_server_call( req )) ret = wine_server_ptr_handle( reply->handle );
+        if (!wine_server_call_err( req )) ret = wine_server_ptr_handle( reply->handle );
     }
     SERVER_END_REQ;
     return ret;

server/winstation.c

@@ -191,7 +191,7 @@ static struct desktop *create_desktop( const struct unicode_str *name, unsigned
 
     if (memchrW( name->str, '\\', name->len / sizeof(WCHAR) ))  /* no backslash allowed in name */
     {
-        set_error( STATUS_INVALID_PARAMETER );
+        set_error( STATUS_OBJECT_PATH_SYNTAX_BAD );
         return NULL;
     }
 
@@ -213,6 +213,7 @@ static struct desktop *create_desktop( const struct unicode_str *name, unsigned
             list_add_tail( &winstation->desktops, &desktop->entry );
             list_init( &desktop->hotkeys );
         }
+        else clear_error();
     }
     return desktop;
 }