[C++-sig] Re: what happened with this std::string parameter in boost.python

[Holger Duerer]

>>>>> "kalin" == kalin  <kalin.eh at gmail.com> writes:

    kalin> David Abrahams wrote:
    >> Donnie Leen wrote:
    >> 
    >>> I made a program embedding boost.python, writting a module as following:
    >>> 
    >>> void write( std::string s )
    >>> {
    >>> // do nothing
    >>> }
    >>> BOOST_PYTHON_MODULE(mym)
    >>> {
    >>> def( "write", &write );
    >>> }
    >>> 
    >>> 
    >>> I run the python code:
    >>> import mym
    >>> s = 'hello'
    >>> mym.write(s)
    >>> 
    >>> it runs ok, but if i run the python code as following:
    >>> import mym
    >>> s = int.__doc__
    >>> mym.write(s)
    >>> 
    >>> it crashed
    >> What do you mean by "crashed?"  Are you sure it didn't throw an
    >> exception that was never caught?
    >> 

[...]

Is this under Windows?  We had problems like that -- short string (<16
bytes?) work, long strings cause a crash.  We traced this to multiple
versions of the C++ runtime library.  Are you linking the runtime
library statically?

        Holger