read file using istreambuf

istreambuf_ex.cpp

#include <fstream>
#include <iterator>
#include <vector>

int main(int argc, char** argv)
{   
    std::ifstream ifs(argv[1], std::ios::binary);
    std::istreambuf_iterator<char> begin(ifs), end;
    std::vector<uint8_t> data(begin, end);

    return 0;
}