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Copy pathfix_six.cpp
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45 lines (41 loc) · 1.37 KB
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// fix_six.cpp
// Copyright 2010 Robert Ramey
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
#include <fstream>
#include <ios>
#include <iostream>
#include <boost/integer_traits.hpp>
#include <boost/archive/binary_iarchive.hpp>
void usage(const char * program_name){
std::cout << "usage:";
std::cout << program_name << " filename" << std::endl;
}
int main(int argc, char *argv[]){
if(argc != 2){
std::cout << "invalid number of arguments" << std::endl;
usage(argv[0]);
return 1;
}
std::filebuf fb;
fb.open(
argv[1],
std::ios_base::binary | std::ios_base::in | std::ios_base::out
);
if(!fb.is_open()){
std::cout << argv[1] << " failed to open" << std::endl;
return 1;
}
boost::archive::binary_iarchive ia(fb);
boost::archive::library_version_type lvt = ia.get_library_version();
if(boost::archive::library_version_type(6) != lvt){
std::cout << "library version not equal to six" << std::endl;
return 1;
}
lvt = boost::archive::library_version_type(7);
fb.pubseekpos(26, std::ios_base::out);
fb.sputn(reinterpret_cast<const char *>(& lvt), sizeof(lvt));
fb.close();
}