From: Thomas Faber <thomas.faber@reactos.org>
Date: Sun, 2 Oct 2016 08:34:30 +0000 (+0000)
Subject: [RTL]
X-Git-Tag: ReactOS-0.4.3~168
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=bbc1b9debafc112bd192bf209e8e9e351506375f

[RTL]
- Only check for MBCS lead bytes in RtlIsTextUnicode if specifically requested
CORE-12027 #resolve for real this time

svn path=/trunk/; revision=72887
---

diff --git a/reactos/sdk/lib/rtl/unicode.c b/reactos/sdk/lib/rtl/unicode.c
index a6185b9c1dc..99da382ea6e 100644
--- a/reactos/sdk/lib/rtl/unicode.c
+++ b/reactos/sdk/lib/rtl/unicode.c
@@ -1367,7 +1367,7 @@ RtlIsTextUnicode(CONST VOID* buf, INT len, INT* pf)
             else
                 weight = 1;
 
-            if (flags & IS_TEXT_UNICODE_DBCS_LEADBYTE)
+            if (pf && (*pf & IS_TEXT_UNICODE_DBCS_LEADBYTE))
                 out_flags |= IS_TEXT_UNICODE_DBCS_LEADBYTE;
         }
     }