/question/199566223

#include <iostream>
#include <fstream>

#define USE_UPTR
#if defined(USE_UPTR)
#include <memory>
#endif

using namespace std;

int main( int argc, char* argv[] ){

    if( argc < 2 ){
        cout << "No input file...\n";
        return 1;
    }

    ifstream getfilesize( argv[1], ios::binary | ios::ate);

    if( !getfilesize.good() ){
        cout << "Can't open file...\n"<<argv;
        return 1;
    }
    size_t file_size = static_cast<size_t>(getfilesize.tellg());
    getfilesize.close();

    if( file_size ){

#if defined(USE_UPTR)
        std::unique_ptr<char> bufer(new char[file_size]);
        auto p = bufer.get();
#else
        char* p = new char[file_size];
#endif
        ifstream file( argv[1], ios::binary);
        file.read(p, file_size);
        for(std::size_t i = 0; i < file_size; ++i){

            if( p[i] == 0x0 )               cout << "[NUL]";
            else if( p[i] == 0x1 )          cout << "[SOH]";
            else if( p[i] == 0x2 )          cout << "[STX]";
            else if( p[i] == 0x3 )          cout << "[ETX]";
            else if( p[i] == 0x4 )          cout << "[EOT]";
            else if( p[i] == 0x5 )          cout << "[ENQ]";
            else if( p[i] == 0x6 )          cout << "[ACK]";
            else if( p[i] == 0x7 )          cout << "[BEL]";
            else if( p[i] == 0x8 )          cout << "[BS]";
            else if( p[i] == 0x9 )          cout << "[HT]";
            else if( p[i] == 0x0A )         cout << "[LF]";
            else if( p[i] == 0x0B )         cout << "[VT]";
            else if( p[i] == 0x0C )         cout << "[FF]";
            else if( p[i] == 0x0D )         cout << "[CR]";
            else if( p[i] == 0x0E )         cout << "[SO]";
            else if( p[i] == 0x0F )         cout << "[SI]";
            else if( p[i] == 0x10 )         cout << "[DLE]";
            else if( p[i] == 0x11 )         cout << "[DC1]";
            else if( p[i] == 0x12 )         cout << "[DC2]";
            else if( p[i] == 0x13 )         cout << "[DC3]";
            else if( p[i] == 0x14 )         cout << "[DC4]";
            else if( p[i] == 0x15 )         cout << "[NAK]";
            else if( p[i] == 0x16 )         cout << "[SYN]";
            else if( p[i] == 0x17 )         cout << "[ETB]";
            else if( p[i] == 0x18 )         cout << "[CAN]";
            else if( p[i] == 0x19 )         cout << "[EM]";
            else if( p[i] == 0x1A )         cout << "[SUB]";
            else if( p[i] == 0x1B )         cout << "[ESC]";
            else if( p[i] == 0x1C )         cout << "[FS]";
            else if( p[i] == 0x1D )         cout << "[GS]";
            else if( p[i] == 0x1E )         cout << "[RS]";
            else if( p[i] == 0x1A )         cout << "[US]";
            else if( p[i] == 0x7F )         cout << "[DEL]";
            else                            cout << p[i];
        }

#if !defined(USE_UPTR)
        delete []p;
#endif
    }

    cin.get();

    return 0;
}