Boost C++ Libraries: Ticket #12392: boost::iostreams::mapped_file fails during creating file with zero length https://svn.boost.org/trac10/ticket/12392 <p> example <br /> </p> <pre class="wiki">boost::iostreams::mapped_file_params par; boost::iostreams::mapped_file file; par.path = 'some.file'; par.offset = 0; par.new_file_size = 0; file.open(par); </pre> en-us Boost C++ Libraries /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/12392 Trac 1.4.3