From 53c174fcd5b6943308e0a53f0c5b5e54baf525f8 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Fri, 31 Mar 2006 17:40:17 +0000
Subject: [PATCH] really pass the proper output buffer size in wxMBConv_win32
 round trip check, at least for the encodings without NULs such as UTF7

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38474 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/common/strconv.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/common/strconv.cpp b/src/common/strconv.cpp
index cc851b8ff3..ccffb2594b 100644
--- a/src/common/strconv.cpp
+++ b/src/common/strconv.cpp
@@ -1694,7 +1694,8 @@ public:
         // check if we succeeded, by doing a double trip:
         if ( !flags && buf )
         {
-            wxCharBuffer mbBuf(n);
+            const size_t mbLen = strlen(psz);
+            wxCharBuffer mbBuf(mbLen);
             if ( ::WideCharToMultiByte
                    (
                       m_CodePage,
@@ -1702,7 +1703,7 @@ public:
                       buf,
                       -1,
                       mbBuf.data(),
-                      n + 1,        // size in bytes, not length
+                      mbLen + 1,        // size in bytes, not length
                       NULL,
                       NULL
                    ) == 0 ||
-- 
2.47.2