void deposit_withdraw(int n, int option)
{
int amt;
int found=0;
fstream File;
File.open("account.dat", ios::binary|ios::in|ios::out);
if(!File)
{
cout<<"File could not be open !! Press any Key...";
return;
}
while(!File.eof() && found==0)
{
File.read((char*)&ac, sizeof(ac));
if(ac.retacno()==n)
{
ac.show_account();
if(option==1)
{
cout<<"\n\n\tTO DEPOSITE AMOUNT ";
cout<<"\n\nEnter The amount to be deposited";
cin>>amt;
ac.dep(amt);
}
if(option==2)
{
cout<<"\n\n\tTO WITHDRAW AMOUNT ";
cout<<"\n\nEnter The amount to be withdraw";
cin>>amt;
int bal=ac.retdeposit()-amt;
if((bal<500 && ac.rettype()=='S') || (bal<1000 && ac.rettype()=='C'))
cout<<"Insufficience balance";
else
ac.draw(amt);
}
void modify_account(int n)
{
int found=0;
fstream File;
File.open("account.dat",ios::binary|ios::in|ios::out);
if(!File)
{
cout<<"File could not be open !! Press any Key...";
return;
}
while(!File.eof() && found==0)
{
File.read((char*)&ac, sizeof(ac));
if(ac.retacno()==n)
{
ac.show_account();
cout<<"\n\nEnter The New Details of account"<<endl;
ac.modify();
int pos=(-1)*static_cast<int>(sizeof(account));
File.seekp(pos,ios::cur);
File.write((char*) &ac, sizeof(ac));
cout<<"\n\n\t Record Updated";
found=1;
}
}
File.close();
if(found==0)
cout<<"\n\n Record Not Found ";
}
void delete_account(int n)
{
ifstream fin;
ofstream fout;
fin.open("account.dat",ios::binary);
if(!fin)
{
cout<<"File could not be open !! Press any Key...";
return;
}
fout.open("Temp.dat",ios::binary);
fin.seekg(0,ios::beg);
while(fin.read((char*)&ac, sizeof(ac)))
{
if(ac.retacno()!=n)
{
fout.write((char*)&ac, sizeof(ac));
}
}
fin.close();
fout.close();
remove("account.dat");
rename("Temp.dat","account.dat");
cout<<"\n\n\tRecord Deleted ..";
}
void display_sp(int n)
{
int flag=0;
ifstream fin;
fin.open("account.dat",ios::binary);
if(!fin)
{
cout<<"File could not be open !! Press any Key...";
return;
}
cout<<"\nBALANCE DETAILS\n";
fin.read((char*)&ac, sizeof(ac));
while(fin)
{
if(ac.retacno()==n)
{
ac.show_account();
flag=1;
}
}
fin.close();
if(flag==0)
cout<<"\n\nAccount number does not exist";
}