Ralf Habacker : server: Release atoms when destroying a window class.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 081a48ebabc5c258aa580ff05d31f29c3fb3e08d
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=081a48ebabc5c258aa580ff05d31f29c3fb3e08d

Author: Ralf Habacker <ralf.habacker at freenet.de>
Date:   Mon Nov 26 13:14:01 2018 +0100

server: Release atoms when destroying a window class.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=46180
Signed-off-by: Ralf Habacker <ralf.habacker at freenet.de>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/user32/tests/class.c | 4 ++++
 server/class.c            | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/dlls/user32/tests/class.c b/dlls/user32/tests/class.c
index d6910d9..2702fa0 100644
--- a/dlls/user32/tests/class.c
+++ b/dlls/user32/tests/class.c
@@ -115,6 +115,8 @@ static void ClassTest(HINSTANCE hInstance, BOOL global)
         return;
     ok(classatom, "failed to register class\n");
 
+    ok(GetClipboardFormatNameW(classatom, str, ARRAY_SIZE(str)) != 0, "atom not found\n");
+
     ok(!RegisterClassW (&cls),
         "RegisterClass of the same class should fail for the second time\n");
 
@@ -230,6 +232,8 @@ static void ClassTest(HINSTANCE hInstance, BOOL global)
     ok(UnregisterClassW(className, hInstance),
         "UnregisterClass() failed\n");
 
+    ok(GetClipboardFormatNameW(classatom, str, ARRAY_SIZE(str)) == 0,
+        "atom still found\n");
     return;
 }
 
diff --git a/server/class.c b/server/class.c
index 403180d..b8240bd 100644
--- a/server/class.c
+++ b/server/class.c
@@ -76,6 +76,8 @@ static struct window_class *create_class( struct process *process, int extra_byt
 
 static void destroy_class( struct window_class *class )
 {
+    release_global_atom( NULL, class->atom );
+    release_global_atom( NULL, class->base_atom );
     list_remove( &class->entry );
     release_object( class->process );
     free( class );