[cwittich] 64842: [cmd/help] do not call wcslen on uninitialized variable

Author: cwittich
Date: Mon Oct 20 09:21:08 2014
New Revision: 64842

URL: http://svn.reactos.org/svn/reactos?rev=64842&view=rev
Log:
[cmd/help]
do not call wcslen on uninitialized variable

Modified:
    trunk/reactos/base/applications/cmdutils/help/help.c

Modified: trunk/reactos/base/applications/cmdutils/help/help.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/cmdutils/...
==============================================================================
--- trunk/reactos/base/applications/cmdutils/help/help.c	[iso-8859-1] (original)
+++ trunk/reactos/base/applications/cmdutils/help/help.c	[iso-8859-1] Mon Oct 20 09:21:08 2014
@@ -16,6 +16,7 @@
 #include <winbase.h>
 #include <winuser.h>
 #include <wincon.h>
+#include <strsafe.h>

#include "help.h"
 #include "resource.h"
@@ -135,9 +136,8 @@
     /*
      * Run "<command> /?" in the current command processor.
      */
-    wcsncpy(CmdLine, argv[1], CMDLINE_LENGTH - wcslen(CmdLine));
-    wcsncat(CmdLine, L" /?" , CMDLINE_LENGTH - wcslen(CmdLine));
-
+    StringCbPrintfW(CmdLine, sizeof(CmdLine), L"%ls /?", argv[1]);
+    
     _flushall();
     return _wsystem(CmdLine);
 }