Re: [Boost-users] Boost serialization w/gcc 3.2.3 on CentOS 4.4?

From: Robert Ramey (ramey_at_[hidden])
Date: 2007-05-03 21:56:36

matthew.garman_at_[hidden] wrote:
> Re: having troubles with boost serialization/archive with gcc 3.2.
>
> On Sun, Apr 29, 2007 at 09:28:11AM +0200, Alberto wrote:
>> Usually the debuggers (eg. GDB) have options to break at every
>> exception generation, this way is really simple to see line of
>> code where exception was generated and program status.
>
> Well, I have found one problem: gcc has a bug with its
> ostringstream::tellp() function in versions prior to 3.4:
>
>    http://gcc.gnu.org/bugzilla/show_bug.cgi?id=10975
>
> We were using that function, and it was definitely causing problems.
> But with a workaround in place, we're still seeing the crashes.
>
> The real problem is that boost is generating an exception.  We are
> using portable_binary_[io]archive.hpp from the
> libs/serialization/example directory (in the boost 1.33
> distribution).
>
> Near line 67 of portable_binary_iarchive.cpp, there's a check.  If
> the check fails, then it throws the
> portable_binary_archive_exception().
>
> I don't really understand the code at this point, particularly how
> istream::get() is used.
>
> Thanks again,
> Matt