write and read string binary file c 2b 2b

1#include <cstring>
2#include <iostream>
3#include <fstream>
4#include <string>
5
6struct player_data
7{
8  std::string name;
9  int score;
10};
11
12int main()
13{
14
15  std::ofstream savefile("score.dat", std::ios_base::binary);
16  if(savefile.good())
17  {
18    player_data Player1;
19    Player1.name = "John Doell";
20    Player1.score = 55;
21    savefile.write(Player1.name.c_str(),Player1.name.size()); // write string to binary file
22    savefile.write("\0",sizeof(char)); // null end string for easier reading
23    savefile.write(reinterpret_cast<char*>(&Player1.score),sizeof(Player1.score)); // write int to binary file
24    savefile.close();
25  }
26
27  std::ifstream loadfile("score.dat", std::ios_base::binary);
28  if(loadfile.good())
29  {
30    player_data Player1;
31    std::getline(loadfile,Player1.name,'\0'); // get player name (remember we null ternimated in binary)
32    loadfile.read((char*)&Player1.score,sizeof(Player1.score)); // read int bytes
33    std::cout << "Player1 name: " << Player1.name << std::endl;
34    std::cout << "Player1 score: " << Player1.score << std::endl;
35  }
36
37  return 0;
38}