Louis Lenders : kernel32: Improve stub for SetThreadUILanguage.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e0f9ff9eb003211ce4fa436b7398851f06e46293
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=e0f9ff9eb003211ce4fa436b7398851f06e46293

Author: Louis Lenders <xerox.xerox2000x at gmail.com>
Date:   Sat Mar 31 11:26:24 2018 +0200

kernel32: Improve stub for SetThreadUILanguage.

Signed-off-by: Louis Lenders <xerox.xerox2000x at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/kernel32/locale.c       | 6 +++++-
 dlls/kernel32/tests/locale.c | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/dlls/kernel32/locale.c b/dlls/kernel32/locale.c
index c5eeabf..5a6ff35 100644
--- a/dlls/kernel32/locale.c
+++ b/dlls/kernel32/locale.c
@@ -2821,7 +2821,11 @@ BOOL WINAPI SetThreadLocale( LCID lcid )
 LANGID WINAPI SetThreadUILanguage( LANGID langid )
 {
     TRACE("(0x%04x) stub - returning success\n", langid);
-    return langid;
+
+    if (!langid)
+        return GetThreadUILanguage();
+    else
+        return langid;
 }
 
 /******************************************************************************
diff --git a/dlls/kernel32/tests/locale.c b/dlls/kernel32/tests/locale.c
index 12769f7..a99763d 100644
--- a/dlls/kernel32/tests/locale.c
+++ b/dlls/kernel32/tests/locale.c
@@ -5459,7 +5459,7 @@ static void test_SetThreadUILanguage(void)
     }
 
     res = pSetThreadUILanguage(0);
-    todo_wine ok(res == pGetThreadUILanguage(), "expected %d got %d\n", pGetThreadUILanguage(), res);
+    ok(res == pGetThreadUILanguage(), "expected %d got %d\n", pGetThreadUILanguage(), res);
 
     res = pSetThreadUILanguage(MAKELANGID(LANG_DUTCH, SUBLANG_DUTCH_BELGIAN));
     ok(res == MAKELANGID(LANG_DUTCH, SUBLANG_DUTCH_BELGIAN),