From 6b72c1b0aafc1733a7fcb6f6c722338a625bdfd9 Mon Sep 17 00:00:00 2001
From: =?utf8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Sat, 21 Mar 2009 19:55:16 +0200
Subject: [PATCH] dshow: remove dangerous alloca, fix charset and and invalid
 free

Invalid free pointed out by xxcv.
---
 modules/access/dshow/dshow.cpp | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/modules/access/dshow/dshow.cpp b/modules/access/dshow/dshow.cpp
index a12a76c348..6aa83b9087 100644
--- a/modules/access/dshow/dshow.cpp
+++ b/modules/access/dshow/dshow.cpp
@@ -40,6 +40,7 @@
 #include <vlc_demux.h>
 #include <vlc_vout.h>
 #include <vlc_dialog.h>
+#include <vlc_charset.h>
 
 #include "common.h"
 #include "filter.h"
@@ -1205,16 +1206,8 @@ FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
             p_bag->Release();
             if( SUCCEEDED(hr) )
             {
-                int i_convert = WideCharToMultiByte(CP_ACP, 0, var.bstrVal,
-                        SysStringLen(var.bstrVal), NULL, 0, NULL, NULL);
-                char *p_buf = (char *)alloca( i_convert+1 ); p_buf[0] = 0;
-                WideCharToMultiByte( CP_ACP, 0, var.bstrVal,
-                        SysStringLen(var.bstrVal), p_buf, i_convert, NULL, NULL );
-                SysFreeString(var.bstrVal);
-                p_buf[i_convert] = '\0';
-
+                char *p_buf = FromWide( var.bstrVal );
                 string devname = string(p_buf);
-
                 free( p_buf) ;
 
                 int dup = 0;
-- 
2.39.2