From 524dd664c321df439574a13fdb35bcc0b21c3853 Mon Sep 17 00:00:00 2001
From: Alex Ionescu <aionescu@gmail.com>
Date: Tue, 1 Nov 2005 23:54:39 +0000
Subject: [PATCH] - RtlCreateUnicodeString fails if the Length is > 0xFFFE on
 Windows NT 5.2 and higher. Spotted by Thomas.

svn path=/trunk/; revision=18944
---
 reactos/lib/rtl/unicode.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/reactos/lib/rtl/unicode.c b/reactos/lib/rtl/unicode.c
index 04ce389200a..3686415c81d 100644
--- a/reactos/lib/rtl/unicode.c
+++ b/reactos/lib/rtl/unicode.c
@@ -1943,6 +1943,8 @@ RtlCreateUnicodeString(
     PAGED_CODE_RTL();
 
     Length = (wcslen(Source) + 1) * sizeof(WCHAR);
+    if (Length > 0xFFFE) return FALSE;
+
     UniDest->Buffer = RtlpAllocateStringMemory(Length, TAG_USTR);
 
     if (UniDest->Buffer == NULL) return FALSE;