[pschweitzer] 62659: [SYSSETUP] Fix buffer overrun CID #716146

Author: pschweitzer
Date: Sun Apr  6 15:31:06 2014
New Revision: 62659

URL: http://svn.reactos.org/svn/reactos?rev=62659&view=rev
Log:
[SYSSETUP]
Fix buffer overrun

CID #716146

Modified:
    trunk/reactos/dll/win32/syssetup/logfile.c

Modified: trunk/reactos/dll/win32/syssetup/logfile.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/syssetup/logfile…
==============================================================================
--- trunk/reactos/dll/win32/syssetup/logfile.c	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/syssetup/logfile.c	[iso-8859-1] Sun Apr  6 15:31:06 2014
@@ -45,11 +45,11 @@
     {
         wcsncat(szFileName,
                 L"\\",
-                MAX_PATH);
+                (sizeof(szFileName) / sizeof(szFileName[0])) - wcslen(szFileName));
     }
     wcsncat(szFileName,
             L"setuplog.txt",
-            MAX_PATH);
+            (sizeof(szFileName) / sizeof(szFileName[0])) - wcslen(szFileName));
 
     if (bDeleteOldLogFile)
     {