binaryFileIOBasic

#include <iostream>
#include <fstream>

#define PUREBIN

struct Player
{
    int id = 0;
    char* name;
    int rank;
};
int main()
{

    Player players[3]{ {2607, new char[sizeof("MadMax")]{"MadMax"}, 39},{2802, new char[sizeof("Batman")]{"Batman"}, 25},{2902, new char[sizeof("Joker")]{"Joker"}, 15} };

    std::ofstream outf;
    outf.open("file.dat", std::ios::binary);
    for (int i = 0; i < 3; i++)
    {
        outf.write((char*)& players[i].id, sizeof(int));
#ifndef PUREBIN
        outf << players[i].name << "\n";
#else
        outf.write(players[i].name, strlen(players[i].name)+1);
#endif
        outf.write((char*)& players[i].rank, sizeof(int));
    }
    outf.close();
    for (int i = 0; i < 3; i++) { delete[] players[i].name; };

    Player readPlayers[3]{};
    std::ifstream inf;
    inf.open("file.dat", std::ios::binary);
    char buf[100];
    for (int i = 0; i < 3; i++)
    {
        inf.read((char*)& readPlayers[i].id, sizeof(int));
#ifndef PUREBIN
        inf.getline(buf, 100);
#else
        for (int i = 0; inf.read(buf + i, 1), buf[i] and i < 100; i++);
#endif
        int strSize = strlen(buf) + 1;
        readPlayers[i].name = new char[strSize];
        strcpy_s(readPlayers[i].name, strSize, buf);
        inf.read((char*)& readPlayers[i].rank, sizeof(int));
    }
    inf.close();


    for (int i = 0; i < 3; i++)
    {
        std::cout << readPlayers[i].id << ' ' << readPlayers[i].name << ' ' << readPlayers[i].rank << '\n';
    }
    for (int i = 0; i < 3; i++) { delete[] readPlayers[i].name; };
}