MÁRTON Gyöngyvér

#include <iostream>
#include <fstream>

using namespace std;
int file_copy(char *inf, char *out);

int main() {
   file_copy("kep.jpg", "ujkep.jpg");
   cout << "succesful copy..." << endl;
   return 0;
}

int file_copy(char *inf, char *outf)
{
   ifstream in(inf, ifstream::binary);
   if (!in.is_open()) {
       cout << "Error opening in_file\n";
       return 0;
   }
   ofstream out(outf, ifstream::binary);
   if (!out.is_open()) {
       cout << "Error opening out_file\n";
       return 0;
   }

   int bufferS, nrBuf;
   cout << "enter the size of byte block: ";
   cin >> bufferS;

   char *bytes = new char[bufferS];
   while (true) {
       in.read(bytes, bufferS);
       nrBuf = in.gcount();
       if (nrBuf == 0) break;
       out.write(bytes, nrBuf);
   }
   out.close();
   in.close();
   return 0;
}