Re: [Boost-users] Regex crash

From: Alan Gray (alan_l_gray_at_[hidden])
Date: 2006-08-11 08:48:29

Hi John

The BOOST_REGEX_NO_LIB option works. So there is some sort of binary 
compatibi;lity problem or some problem with VS2005 linker.

For now I'll live with a fatter program (it works) but I'll revisit this 
when I have some spare time (hah!).

Hey thanks a lot.

Regards,
Alan

>From: "John Maddock" <john_at_[hidden]>
>Reply-To: boost-users_at_[hidden]
>To: <boost-users_at_[hidden]>
>Subject: Re: [Boost-users] Regex crash
>Date: Thu, 10 Aug 2006 09:56:00 +0100
>
>Alan Gray wrote:
> > Hi John,
> >
> > I cannot reproduce the problem in a sample program (yet). The
> > symptions appear to be stack corruption. In the function
> >
> > template <class charT>
> > 
>w32_regex_traits_char_layer<charT>::w32_regex_traits_char_layer(::boost::re_detail::lcid_type
> > l)
> >   : w32_regex_traits_base<charT>(l)
> > {
> >
> > line 187: w32_regex_traits.hpp
> >
> > the line
> >
> >   std::string cat_name(w32_regex_traits<charT>::get_catalog_name());
> >
> > executes ok, looking at the debugger, _Mysize = 0 , _Myres = 15 which
> > is expected. Then stepping into
> >
> >   if(cat_name.size())
> >
> > inside the call, _mysize is now equal to some crazy number. The
> > interesting point is that the debugger steps to the line
>
>The only thing that springs to mind is a binary compartibitity issue: 
>either
>linking to the wrong regex lib build, multiple std lib's linked to your 
>app,
>or some obscure compiler option that's rendered the prebuilt lib's
>incompatible with your app.  As a quick test try adding the regex source
>directly to your project and building with BOOST_REGEX_NO_LIB defined.
>(Note this will make your app a lot "fatter" than it needs to be, but it's 
>a
>useful sanity check).
>
>HTH, John.
>
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