Simple Bank Account Uni Project Help!!!
HI
i have a question i have a code for a simple bank account for my uni assignment below, and i need to know these things
1. when i exit the program all data is lost so i need to devise a means of storing the data so that i can start where i left off.
2. make two improvements to the code.
If you can help please explain in lehmans terms bit by bit as i have no idea how to do c,i find it very hard:confused: please help and if you do your reward would be knowing the fact that you helped me pass this years exams!!
thanks leigh, here it is:
A simple bank account
---------------------
*/
#include <stdio.h>
#include <conio.h>
#include <string.h>
struct acc_type
{
char name[50];
float balance;
};
struct acc_type account[20];
int num_acc;
int current;
int name_check(char *);
void new_account();
void manage_account();
void add_money();
void take_money();
void close_acc();
void get_name(char *);
/*Start main program*/
int main()
{
char menuitem;
num_acc=0;
while(1)
{
printf("\n\nSelect from the menu\n1: new account\n"
"2: manage an existing account\n"
"3: finish this program\n");
menuitem = getch();
switch(menuitem)
{
case '1': new_account();
break;
case '2': manage_account();
break;
case '3': return 0;
}
}
return 0;
}
/*Function new_account*/
void new_account()
{
char acc_name[50];
char temp;
float value;
printf("\nEnter the name on the account: ");
get_name(acc_name);
if(acc_name[0] == '\0') return;
if (name_check(acc_name))
{
printf("\nThat name already exists!\n");
return;
}
printf("\nEnter the starting balance: %c",156);
temp=getch(); //read return key from input buffer*/
scanf("%f",&value);
strcpy(account[num_acc].name,acc_name);
if(value < 0)
{
printf("No negative balances allowed\n"
"Balance will be set to zero\n");
value = 0;
}
account[num_acc].balance=value;
num_acc++;
return;
}
/*Function manage_account*/
void manage_account()
{
char acc_name[50],selection;
printf("\nEnter the account holder's name: ");
get_name(acc_name);
if(acc_name[0] == '\0') return;
if(!name_check(acc_name))
{
printf("\nThat name does not exist!\n");
return;
}
printf("\nSelect from the following menu\n"
"1: add money to account\n"
"2: withdraw money from account\n"
"3: close account\n");
selection=getch();
switch(selection)
{
case '1': add_money();
break;
case '2': take_money();
break;
case '3': close_acc();
}
}
/*Function name_check*/
int name_check(char *customer)
{
int count;
for (count=0 ; count < num_acc ; count++)
{
if (!strcmp(customer,account[count].name))
{
current = count;
return(1);
}
}
return(0);
}
/*Function add_money*/
void add_money()
{
float add_sum;
char dummy;
printf("\nThe current balance for %s is %c%4.2f",account[current].name,156,
account[current].balance);
printf("\nHow much do you want to add to the account? %c",156);
dummy=getch();//clear out input buffer
scanf("%f",&add_sum);
if(add_sum < 0)
{
printf("\nNo negative sums allowed here");
return;
}
account[current].balance += add_sum;
printf("\nThe new balance is %c%4.2f",156,account[current].balance);
return;
}
/*Function take_money*/
void take_money()
{
float take_sum;
char dummy;
printf("\nThe current balance for %s is %c%4.2f",account[current].name,156,
account[current].balance);
if(account[current].balance == 0)
{
printf("\nThis account has zero balance - no overdraft facility!");
return;
}
printf("\nHow much do you want to take from the account? %c",156);
dummy=getch();//clear out input buffer
scanf("%f",&take_sum);
if(take_sum < 0)
{
printf("\nNo negative sums allowed here");
return;
}
if(take_sum > account[current].balance)
{
printf("\nInsufficient funds!");
return;
}
account[current].balance -= take_sum;
printf("\nThe new balance is %c%4.2f",156,account[current].balance);
}
/*Function close_acc*/
void close_acc()
{
char prompt;
printf("\nConfirm closure of account name %s\ny/n ",
account[current].name);
prompt = getch();
if (prompt == 'y')
{
num_acc--;
strcpy(account[current].name,account[num_acc].name);
account[current].balance = account[num_acc].balance;
printf("\nAccount closed");
return;
}
if (prompt == 'n')
{
printf("\nAccount not closed");
}
return;
}
/*Function get name*/
void get_name(char *name)
{
int count;
char temp;
count=0;
while ((temp = getch()) != 13)
{
if(((temp > 64) && (temp < 91)) || ((temp > 96) && (temp < 123))||(temp == 32))
{
putchar(temp);
name[count]=temp;
count++;
}
if((temp == 8)&&(count > 0))
{
putchar(temp);
putchar(32);
putchar(temp);
count--;
}
}
name[count]='\0';
}
