38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
#include <fstream>
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#include <ios>
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#include <iostream>
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#include <boost/integer_traits.hpp>
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#include <boost/archive/binary_iarchive.hpp>
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void usage(const char * program_name){
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std::cout << "usage:";
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std::cout << program_name << " filename" << std::endl;
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}
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int main(int argc, char *argv[]){
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if(argc != 2){
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std::cout << "invalid number of arguments" << std::endl;
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usage(argv[0]);
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return 1;
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}
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std::filebuf fb;
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fb.open(
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argv[1],
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std::ios_base::binary | std::ios_base::in | std::ios_base::out
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);
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if(!fb.is_open()){
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std::cout << argv[1] << " failed to open" << std::endl;
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return 1;
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}
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boost::archive::binary_iarchive ia(fb);
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boost::archive::library_version_type lvt = ia.get_library_version();
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if(boost::archive::library_version_type(6) != lvt){
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std::cout << "library version not equal to six" << std::endl;
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return 1;
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}
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lvt = boost::archive::library_version_type(7);
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fb.pubseekpos(26, std::ios_base::out);
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fb.sputn(reinterpret_cast<const char *>(& lvt), sizeof(lvt));
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fb.close();
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}
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