kernel32: Improve the stub for GetThreadPreferredUILanguages.

dlls/kernel32/locale.c

@@ -1048,35 +1048,17 @@ INT WINAPI GetSystemDefaultLocaleName(LPWSTR localename, INT len)
     return LCIDToLocaleName(lcid, localename, len, 0);
 }
 
-/***********************************************************************
- *             GetSystemPreferredUILanguages (KERNEL32.@)
- */
-BOOL WINAPI GetSystemPreferredUILanguages(DWORD flags, ULONG* count, WCHAR* buffer, ULONG* size)
+static BOOL get_dummy_preferred_ui_language( DWORD flags, ULONG *count, WCHAR *buffer, ULONG *size )
 {
     LCTYPE type;
     int lsize;
-    if (flags & ~(MUI_LANGUAGE_NAME | MUI_LANGUAGE_ID | MUI_MACHINE_LANGUAGE_SETTINGS))
-    {
-        SetLastError(ERROR_INVALID_PARAMETER);
-        return FALSE;
-    }
-    if ((flags & MUI_LANGUAGE_NAME) && (flags & MUI_LANGUAGE_ID))
-    {
-        SetLastError(ERROR_INVALID_PARAMETER);
-        return FALSE;
-    }
-    if (*size && !buffer)
-    {
-        SetLastError(ERROR_INVALID_PARAMETER);
-        return FALSE;
-    }
 
     FIXME("(0x%x %p %p %p) returning a dummy value (current locale)\n", flags, count, buffer, size);
 
     if (flags & MUI_LANGUAGE_ID)
-		type = LOCALE_ILANGUAGE;
-	else
-		type = LOCALE_SNAME;
+        type = LOCALE_ILANGUAGE;
+    else
+        type = LOCALE_SNAME;
 
     lsize = GetLocaleInfoW(LOCALE_SYSTEM_DEFAULT, type, NULL, 0);
     if (!lsize)
@@ -1109,6 +1091,49 @@ BOOL WINAPI GetSystemPreferredUILanguages(DWORD flags, ULONG* count, WCHAR* buff
     *count = 1;
     TRACE("returned variable content: %d, \"%s\", %d\n", *count, debugstr_w(buffer), *size);
     return TRUE;
+
+}
+
+/***********************************************************************
+ *             GetSystemPreferredUILanguages (KERNEL32.@)
+ */
+BOOL WINAPI GetSystemPreferredUILanguages(DWORD flags, ULONG* count, WCHAR* buffer, ULONG* size)
+{
+    if (flags & ~(MUI_LANGUAGE_NAME | MUI_LANGUAGE_ID | MUI_MACHINE_LANGUAGE_SETTINGS))
+    {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return FALSE;
+    }
+    if ((flags & MUI_LANGUAGE_NAME) && (flags & MUI_LANGUAGE_ID))
+    {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return FALSE;
+    }
+    if (*size && !buffer)
+    {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return FALSE;
+    }
+
+    return get_dummy_preferred_ui_language( flags, count, buffer, size );
+}
+
+/***********************************************************************
+ *              SetThreadPreferredUILanguages (KERNEL32.@)
+ */
+BOOL WINAPI SetThreadPreferredUILanguages( DWORD flags, PCZZWSTR buffer, PULONG count )
+{
+    FIXME( "%u, %p, %p\n", flags, buffer, count );
+    return TRUE;
+}
+
+/***********************************************************************
+ *              GetThreadPreferredUILanguages (KERNEL32.@)
+ */
+BOOL WINAPI GetThreadPreferredUILanguages( DWORD flags, ULONG *count, WCHAR *buf, ULONG *size )
+{
+    FIXME( "%08x, %p, %p %p\n", flags, count, buf, size );
+    return get_dummy_preferred_ui_language( flags, count, buf, size );
 }
 
 /***********************************************************************

dlls/kernel32/tests/locale.c

@@ -98,6 +98,7 @@ static INT (WINAPI *pGetGeoInfoA)(GEOID, GEOTYPE, LPSTR, INT, LANGID);
 static INT (WINAPI *pGetGeoInfoW)(GEOID, GEOTYPE, LPWSTR, INT, LANGID);
 static BOOL (WINAPI *pEnumSystemGeoID)(GEOCLASS, GEOID, GEO_ENUMPROC);
 static BOOL (WINAPI *pGetSystemPreferredUILanguages)(DWORD, ULONG*, WCHAR*, ULONG*);
+static BOOL (WINAPI *pGetThreadPreferredUILanguages)(DWORD, ULONG*, WCHAR*, ULONG*);
 
 static void InitFunctionPointers(void)
 {
@@ -127,6 +128,7 @@ static void InitFunctionPointers(void)
   X(GetGeoInfoW);
   X(EnumSystemGeoID);
   X(GetSystemPreferredUILanguages);
+  X(GetThreadPreferredUILanguages);
 #undef X
 }
 
@@ -4770,6 +4772,32 @@ static void test_GetSystemPreferredUILanguages(void)
        "Expected error ERROR_INSUFFICIENT_BUFFER, got %d\n", GetLastError());
 }
 
+static void test_GetThreadPreferredUILanguages(void)
+{
+    BOOL ret;
+    ULONG count, size;
+    WCHAR *buf;
+
+    if (!pGetThreadPreferredUILanguages)
+    {
+        win_skip("GetThreadPreferredUILanguages is not available.\n");
+        return;
+    }
+
+    size = count = 0;
+    ret = pGetThreadPreferredUILanguages(MUI_LANGUAGE_ID|MUI_UI_FALLBACK, &count, NULL, &size);
+    ok(ret, "got %u\n", GetLastError());
+    ok(count, "expected count > 0\n");
+    ok(size, "expected size > 0\n");
+
+    count = 0;
+    buf = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size * sizeof(WCHAR));
+    ret = pGetThreadPreferredUILanguages(MUI_LANGUAGE_ID|MUI_UI_FALLBACK, &count, buf, &size);
+    ok(ret, "got %u\n", GetLastError());
+    ok(count, "expected count > 0\n");
+    HeapFree(GetProcessHeap(), 0, buf);
+}
+
 START_TEST(locale)
 {
   InitFunctionPointers();
@@ -4813,6 +4841,7 @@ START_TEST(locale)
   test_EnumSystemGeoID();
   test_invariant();
   test_GetSystemPreferredUILanguages();
+  test_GetThreadPreferredUILanguages();
   /* this requires collation table patch to make it MS compatible */
   if (0) test_sorting();
 }

dlls/kernel32/thread.c

@@ -888,26 +888,6 @@ BOOL WINAPI GetThreadIOPendingFlag( HANDLE thread, PBOOL io_pending )
 }
 
 /***********************************************************************
- *              SetThreadPreferredUILanguages (KERNEL32.@)
- */
-BOOL WINAPI SetThreadPreferredUILanguages( DWORD flags, PCZZWSTR buffer, PULONG count )
-{
-    FIXME( "%u, %p, %p\n", flags, buffer, count );
-    return TRUE;
-}
-
-/***********************************************************************
- *              GetThreadPreferredUILanguages (KERNEL32.@)
- */
-BOOL WINAPI GetThreadPreferredUILanguages( DWORD flags, PULONG count, PCZZWSTR buffer, PULONG buffersize )
-{
-    FIXME( "%u, %p, %p %p\n", flags, count, buffer, buffersize );
-    *count = 0;
-    *buffersize = 0;
-    return TRUE;
-}
-
-/***********************************************************************
  *              CallbackMayRunLong (KERNEL32.@)
  */
 BOOL WINAPI CallbackMayRunLong( TP_CALLBACK_INSTANCE *instance )

include/winnls.h

@@ -909,6 +909,7 @@ WINBASEAPI LCID        WINAPI GetSystemDefaultLCID(void);
 WINBASEAPI LANGID      WINAPI GetSystemDefaultUILanguage(void);
 WINBASEAPI BOOL        WINAPI GetSystemPreferredUILanguages(DWORD,ULONG*,WCHAR*,ULONG*);
 WINBASEAPI LCID        WINAPI GetThreadLocale(void);
+WINBASEAPI BOOL        WINAPI GetThreadPreferredUILanguages(DWORD,ULONG*,WCHAR*,ULONG*);
 WINBASEAPI INT         WINAPI GetTimeFormatA(LCID,DWORD,const SYSTEMTIME*,LPCSTR,LPSTR,INT);
 WINBASEAPI INT         WINAPI GetTimeFormatEx(LPCWSTR,DWORD,const SYSTEMTIME*,LPCWSTR,LPWSTR,INT);
 WINBASEAPI INT         WINAPI GetTimeFormatW(LCID,DWORD,const SYSTEMTIME*,LPCWSTR,LPWSTR,INT);