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Class error while working with structures

Satchmo10th (6)
I'm getting an error saying that my expression must have a class type and I'm not sure why. Looks like the error is coming from within the displayTotal function.

Why is my first structure working but the second one isn't?

Contents of .dat file
2000 1 1225.72 1 463.81 3 200 1 632 2 1500 1 300 2 1800



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// Author:		
// Source file:	
// Description:	
// Compiler used:	

#include <iostream>
#include <iomanip>
#include <fstream>
using namespace std;

struct transHolder
{
	int transCode;
	double transAmt;
};

struct counter
{
	double creditTotal;
	double debitTotal;
	double atmTotal;
	double serviceCharge;
	int transTotal;
};

// Function Prototypes
void displayTitle();
double getBegBal(ifstream& in_stream);
void displayBal(double);
transHolder getData(ifstream& in_stream);
double processCheck(double, double);
double processDeposit(double, double);
double processATM(double, double);
double processSvcChg(double);
void displayTotal();


//Global Constants
const double	CHARGE = 10,
ATMFEE = 2;

int main()
{
	//Variable Declarations
	double balance;

	transHolder trans;
	counter totals;

	cout.setf(ios::fixed);
	cout.setf(ios::showpoint);
	cout.precision(2);

	ifstream inFile;
	inFile.open("C:\\CSIT214\\checkIn.dat");
	if (inFile.fail())
	{
		cout << "\n     Input file opening failed.\n";
		system("pause");
		exit(1);
	}

	displayTitle();
	balance = getBegBal(inFile);
	displayBal(balance);
	while (!inFile.eof())
	{
		trans = getData(inFile);

		switch (trans.transCode)
		{
		case 1: balance = processCheck(balance, trans.transAmt);
			totals.debitTotal = totals.debitTotal + trans.transAmt;
			totals.transTotal++;
			break;
		case 2: balance = processDeposit(balance, trans.transAmt);
			totals.creditTotal = totals.creditTotal + trans.transAmt;
			totals.transTotal++;
			break;
		case 3: balance = processATM(balance, trans.transAmt);
			totals.atmTotal = totals.atmTotal + trans.transAmt;
			totals.serviceCharge = totals.serviceCharge + ATMFEE;
			totals.transTotal++;
			break;
		}


		if (balance < 0)
		{
			processSvcChg(balance);
			totals.serviceCharge = totals.serviceCharge + CHARGE;
		}
	}

	displayBal(balance);

	displayTotal();

	system("pause");

	return 0;
}


void displayTitle()
{
	cout << "\n       Check Register\n\n";
}

double getBegBal(ifstream& in_stream)
{
	double bal;
	in_stream >> bal;
	cout << "    CHECK: " << setw(12) << bal;
	return bal;
}

void displayBal(double x)
{
	cout << "\t\tBalance = $" << setw(10) << x << endl << endl;
}

transHolder getData(ifstream& in_stream)
{
	transHolder temp;
	in_stream >> temp.transCode >> temp.transAmt;
	return temp;
}

double processCheck(double bal, double amt)
{
	cout << "\n  Check =    " << setw(10) << amt;
	return (bal - amt);
}

double processDeposit(double bal, double amt)
{
	cout << "\n  Deposit =  " << setw(10) << amt;
	return (bal + amt);
}
double processATM(double bal, double amt)
{
	cout << "\n  ATM     =  " << setw(10) << amt;
	bal = bal - amt;
	displayBal(bal);
	bal = bal - ATMFEE;
	cout << "\n  ATM Fee =  " << setw(10) << ATMFEE;
	return (bal);
}
double processSvcChg(double bal)
{
	cout << "\n  Service chg =" << setw(8) << CHARGE;
	bal = bal - CHARGE;
	displayBal(bal);
	return (bal);
}
void displayTotal()
{
cout << "\n\n    Total Credits = " << setw(18) << totals.creditTotal << endl;
double deductTotal = totals.debitTotal + totals.atmTotal;
cout << "    Total Debits = " << setw(19) << deductTotal << endl;
cout << "    Total Service Charges = " << setw(10) << totals.serviceTotal << endl << endl;
}

Last edited on
CLman94 (46)
'totals' is defined as a local variable inside main, so 'displayTotal' cannot access it.
Try either defining 'totals' as a global variable or pass a parameter containing 'totals'.

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struct counter
{
...
} totals;
...
counter totals;


or
(This is preferred)

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displayTotal(totals);
...
void displayTotal(counter& totals)
Last edited on
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