From 59214a529ed7194b15585c2f3da406f4e5e0aa2b Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sat, 28 Feb 2009 19:34:30 +0000
Subject: [PATCH] don't use mbstowcs(NULL) with Cygwin (closes #10526)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@59208 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/msw/ole/oleutils.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/msw/ole/oleutils.cpp b/src/msw/ole/oleutils.cpp
index d28c5fa4ae..9aa44d2e37 100644
--- a/src/msw/ole/oleutils.cpp
+++ b/src/msw/ole/oleutils.cpp
@@ -133,9 +133,10 @@ wxBasicString::wxBasicString(const wxString& str)
 // Takes an ANSI string and transforms it to Unicode
 void wxBasicString::Init(const char *sz)
 {
-    // get the size of required buffer
+    // get the size of required buffer: MetroWerks and Cygwin crash if NULL is
+    // passed to mbstowcs()
     UINT lenAnsi = strlen(sz);
-#ifdef __MWERKS__
+#if defined(__MWERKS__) || defined(__CYGWIN__)
     UINT lenWide = lenAnsi * 2 ;
 #else
     UINT lenWide = mbstowcs(NULL, sz, lenAnsi);