void del
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c_cpp
2 years ago
1.3 kB
18
Indexable
void del() {
int id;
char found = 'f';
ifstream ifile("records.dat", ios::in | ios::binary);
ifstream infile;
ofstream outfile;
sys('c');
if (ifile) {
ifile.close();
cout << appname << margin << border << endl
<< margin << "|" << setw(55) << "---| DELETE EMPLOYEE DATA |---" << setw(25) << "|" << endl
<< margin << border << endl;
user_input("Enter employee's id");
cin >> id;
infile.open("records.dat", ios::in | ios::binary);
outfile.open("temp.dat", ios::binary);
infile.seekg(0, ios::beg);
while(infile.read((char *)&data, sizeof(data))) {
if(return_id() != id) {
outfile.write((char *)&data, sizeof(data));
} else {
found = 't';
}
}
infile.close();
outfile.close();
remove("records.dat");
rename("temp.dat", "records.dat");
} else {
cout << appname;
display_resp("404 No Record!", "failed");
found = 'x';
}
if (found == 't') {
display_resp("Record has been Deleted!", "success");
ifstream file("records.dat", ios::in | ios::binary);
file.seekg(0, ios::end);
if (file.tellg() == 0) {
file.close();
remove("records.dat");
}
} else if (found == 'f') {
display_resp("Record Not Found!", "failed");
}
getch();
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