Hi guys!, I have a code here having a problem about double and I'm kinda lost so I don't know what to do. btw thanks for reading my thread, I would greatly appreciate if you can help me fix this thing.
#include <stdio.h>
#include <conio.h>
#include <string.h>
#include <stdbool.h>
#define FLUSH while (getchar() != '\n')
typedef struct {
char id[6];
char lname[15];
char fname[20];
char address[50];
double balance;
}INFO;
typedef struct {
char id[6];
char doP[12];
double amountpd;
}fPay;
typedef struct {
char id[6];
char doP[12];
double amountpd;
}fLoans;
void borrow (FILE *);
INFO getInfo (void);
INFO DispData (FILE *);
int main (void)
{
FILE *fp;
int choice;
do {
system("cls");
printf ("Loan System\n\n");
printf ("1] Register Borrower\n2] Record Loan\n3] Record Loan Payment\n4] View Individual Record\n5] Exit\n\n\n");
printf ("Choice: ");
scanf ("%d", &choice);
FLUSH;
switch (choice)
{
case 1: system ("cls");
borrow(fp);
break;
case 4: DispData(fp);
break;
case 5: return;
default: printf ("\nInvalid input...\n");
system("pause");
}
}while (choice != 5);
}
void borrow (FILE *fp)
{
INFO info;
info = getInfo();
return;
}
INFO getInfo (void)
{
INFO info;
FILE *fp;
int write, read;
if ((fp = fopen("Borrower.txt", "ab")) == NULL)
{
printf ("Error! Unable to open file");
}
else
{
printf ("Borrower's Personal Information\n\n");
printf ("Enter Borrower's ID: ");
fgets(info.id, sizeof(info.id), stdin);
FLUSH;
printf ("Enter Borrower's Lastname: ");
scanf ("%s", &info.lname);
FLUSH;
printf ("Enter Borrower's Firstname: ");
fgets(info.fname, sizeof(info.fname), stdin);
printf ("Enter Borrower's Address: ");
fgets(info.address, sizeof(info.address), stdin);
printf ("Enter Borrower's Current Balance: ");
scanf ("%f", &info.balance);
FLUSH;
}
if (write = fwrite (&info, sizeof(INFO), 1 , fp) > 0)
{
printf ("\nWrite Successful\n\n\n\n");
}
else
{
printf ("Unable to write data");
}
fclose(fp);
if ((fp = fopen ("Borrower.txt", "rb")) == NULL)
{
printf ("\n\nUnable to open file...");
}
else
{
while ((read = fread(&info, sizeof(INFO), 1 , fp)) != 0)
{
printf ("*****************************\n");
printf ("ID: %s\n\n", info.id);
printf ("First name: %s", info.fname);
printf ("Last name: %s\n", info.lname);
printf ("Address: %s\n", info.address);
printf ("Current Balance: %.2f\n", info.balance);
printf ("\n\n");
}
}
fclose(fp);
getch();
}
INFO DispData (FILE *fp)
{
INFO getInfo;
int read;
char find[6];
bool found = false;
system("cls");
printf ("Enter the ID of the Reciever: ");
fgets(find, 6, stdin);
printf ("Searching record for ID: %s", find);
if ((fp = fopen("Borrower.txt", "rb")) == NULL)
{
printf ("\n\nUnable to open file");
}
else
{
while ((read = fread (&getInfo, sizeof(INFO), 1, fp)) != 0)
{
if (strcmp(find, getInfo.id) == 0)
{
found = true;
}
}
if (found)
{
printf ("\n\n--Found--");
printf ("\nID: %s\n\n", getInfo.id);
printf ("First name: %s", getInfo.fname);
printf ("Last name: %s\n", getInfo.lname);
printf ("Address: %s\n", getInfo.address);
printf ("Current Balance: %f\n", getInfo.balance);
printf ("\n\n");
}
else
{
printf ("\n\nUnable to find %s", find);
}
}
fclose(fp);
getch();
}
