Basic formatting and struct creation

This commit is contained in:
Rory Healy 2020-05-16 22:36:50 +10:00
parent 789e415f7b
commit 1a79de2882
Signed by: roryhealy
GPG key ID: 0A3CBDE9C2AE672F

View file

@ -1,5 +1,102 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h>
#define STAGE_FORMATTING_STRING "========================="
#define STAGE_ONE 1
#define STAGE_TWO 2
#define STAGE_THREE 3
#define STAGE_FOUR 4
#define MAX_NUM_CARDS 100
#define CREDIT_CARD_ID_LEN 8
#define TRANSACTION_ID_LEN 12
#define TRANSACTION_TIME_LEN 19
#define END_CREDIT_CARDS "%%%%%%%%%%"
typedef struct {
char card_id[CREDIT_CARD_ID_LEN];
int daily_lim;
int trans_lim;
} credit_card_t;
typedef struct {
char trans_id[TRANSACTION_ID_LEN];
char card_id[CREDIT_CARD_ID_LEN];
char trans_time[TRANSACTION_TIME_LEN];
int trans_amount;
} transaction_t;
void print_stage(int stage_num);
void stage_one();
void stage_two();
void stage_three();
void stage_four();
int main(int argc, char *argv[]) {
/* holds all the credit cards */
credit_card_t all_cards[MAX_NUM_CARDS];
/* holds all the transactions */
transaction_t all_transactions[MAX_NUM_CARDS];
/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
* Dynamic memory allocation required as
* size of all_transactions isn't known
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
*/
/* stage 1: reading one credit card record */
stage_one();
/* stage 2: reading all credit card records */
stage_two();
/* stage 3: reading the transactions */
stage_three();
/* stage 4: checking for fraudulent transactions */
stage_four();
int main() {
return 0; return 0;
} }
/* print the stage header */
void print_stage(int stage_num) {
printf(STAGE_FORMATTING_STRING);
printf("Stage %d", stage_num);
printf(STAGE_FORMATTING_STRING);
printf("\n");
}
/* stage 1: reading one credit card record */
void stage_one() {
print_stage(STAGE_ONE);
printf("\n");
}
/* stage 2: reading all credit card records */
void stage_two() {
print_stage(STAGE_TWO);
printf("\n");
}
/* stage 3: reading the transactions */
void stage_three() {
print_stage(STAGE_THREE);
printf("\n");
}
/* stage 4: checking for fraudulent transactions */
void stage_four() {
print_stage(STAGE_FOUR);
printf("\n");
}