Alexandre Julliard : user32: Fix FindWindow to not match an empty class name.
Alexandre Julliard
julliard at winehq.org
Mon Nov 17 09:14:24 CST 2008
Module: wine
Branch: master
Commit: 025daaf0e8c62d0f53a1af04824ed83f183d628c
URL: http://source.winehq.org/git/wine.git/?a=commit;h=025daaf0e8c62d0f53a1af04824ed83f183d628c
Author: Alexandre Julliard <julliard at winehq.org>
Date: Mon Nov 17 14:14:05 2008 +0100
user32: Fix FindWindow to not match an empty class name.
---
dlls/user32/win.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/dlls/user32/win.c b/dlls/user32/win.c
index 2fc00c4..730b2c2 100644
--- a/dlls/user32/win.c
+++ b/dlls/user32/win.c
@@ -223,6 +223,10 @@ static HWND *list_window_children( HDESK desktop, HWND hwnd, LPCWSTR class, DWOR
{
HWND *list;
int size = 128;
+ ATOM atom = get_int_atom_value( class );
+
+ /* empty class is not the same as NULL class */
+ if (!atom && class && !class[0]) return NULL;
for (;;)
{
@@ -235,8 +239,8 @@ static HWND *list_window_children( HDESK desktop, HWND hwnd, LPCWSTR class, DWOR
req->desktop = desktop;
req->parent = hwnd;
req->tid = tid;
- if (!(req->atom = get_int_atom_value( class )) && class)
- wine_server_add_data( req, class, strlenW(class)*sizeof(WCHAR) );
+ req->atom = atom;
+ if (!atom && class) wine_server_add_data( req, class, strlenW(class)*sizeof(WCHAR) );
wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
if (!wine_server_call( req )) count = reply->count;
}
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