better leak error reporting using VC CRT (patch 828250)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25559 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/include/wx/msw/msvcrt.h b/include/wx/msw/msvcrt.h
index cb6f1593c56eaf5baff7da9be8327667afd5d0f9..ed367a0dd42bd8bbcbda71422fb994261bd88d31 100644 (file)
--- a/include/wx/msw/msvcrt.h
+++ b/include/wx/msw/msvcrt.h
@@ -40,8 +40,19 @@
         #undef new
     #endif
 
+    // we need this to show file & line number of the allocation that caused
+    // the leak
+    #define _CRTDBG_MAP_ALLOC
+    #include <stdlib.h>
     #include <crtdbg.h>
 
+    // this define works around a bug with inline declarations of new, see
+    //
+    //      http://support.microsoft.com/support/kb/articles/Q140/8/58.asp
+    //
+    // for the details 
+    #define new  new( _NORMAL_BLOCK, __FILE__, __LINE__)
+
     #define wxCrtSetDbgFlag(flag) \
         _CrtSetDbgFlag(_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG) | (flag))
 #else // !using VC CRT