How to get file permissions with c++ boost library?

Question

I am working on a project to make a database of the files I have on current directory. And one of the details I want about my files is the file permissions that are set with

Answer 1

perms      permissions() const                { return m_perms; } 

defined in boost/filesystem/v3/operations.hpp

Add an easy sample code

#include  
#include  
namespace fs=boost::filesystem;
int main(int argc,char * argv[]){
    fs::path p(argv[1]);
    fs::file_status s = status(p);
    printf("%o\n",s.permissions());
}