From 0140e3bf68e510282c28670c6ed3e8763f666c44 Mon Sep 17 00:00:00 2001
From: Dmitry Chapyshev <dmitry@reactos.org>
Date: Wed, 28 Sep 2016 19:53:43 +0000
Subject: [PATCH] [KERNEL32] Add check for Flags parameter.

* Fixes 124 tests for kernel32:WideCharToMultiByte

svn path=/trunk/; revision=72840
---
 reactos/dll/win32/kernel32/winnls/string/nls.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/reactos/dll/win32/kernel32/winnls/string/nls.c b/reactos/dll/win32/kernel32/winnls/string/nls.c
index 4c0c3256495..1b1013a2af0 100644
--- a/reactos/dll/win32/kernel32/winnls/string/nls.c
+++ b/reactos/dll/win32/kernel32/winnls/string/nls.c
@@ -755,6 +755,12 @@ IntWideCharToMultiByteUTF8(UINT CodePage,
     INT TempLength;
     DWORD Char;
 
+    if (Flags)
+    {
+        SetLastError(ERROR_INVALID_FLAGS);
+        return 0;
+    }
+
     /* Does caller query for output buffer size? */
     if (MultiByteCount == 0)
     {