From 0c53866f7fb07ad37d95650f8bbafdd38e275f67 Mon Sep 17 00:00:00 2001
From: Aleksey Bragin <aleksey@reactos.org>
Date: Fri, 28 Jan 2011 20:18:07 +0000
Subject: [PATCH] - Robert Horvath: Always limit destLen to MAX_PATH (modified
 to an if condition by me). See issue #5861 for more details.

svn path=/trunk/; revision=50543
---
 reactos/dll/win32/kernel32/file/file.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/reactos/dll/win32/kernel32/file/file.c b/reactos/dll/win32/kernel32/file/file.c
index 24e4e47ba45..b79bc2b9876 100644
--- a/reactos/dll/win32/kernel32/file/file.c
+++ b/reactos/dll/win32/kernel32/file/file.c
@@ -72,6 +72,9 @@ FilenameU2A_FitOrFail(
 {
    DWORD ret;
 
+   /* destLen should never exceed MAX_PATH */
+   if (destLen > MAX_PATH) destLen = MAX_PATH;
+
    ret = bIsFileApiAnsi? RtlUnicodeStringToAnsiSize(SourceU) : RtlUnicodeStringToOemSize(SourceU);
    /* ret incl. nullchar */