void assign_seat(struct planestats p[], int n)
{
int number, seat;
show_empty(p,n);
puts("Enter the seat ID (1 ~ 12) you choice:");
while(scanf("%d",&number) != 1 || number < 1 || number > 12)
{
scanf("%*s");
puts("Enter number (1 ~ 12)");
}
while(getchar() != '\n');
for(seat = 0; seat < n; seat++)
if(p[seat].seat_id == number)
{
if(p[seat].status == TAKEN)
printf("NO.%d seat is already assigned!\n",p[seat].seat_id);
else
{
puts("Enter firstname:");
gets(p[seat].first_name);
puts("Enter lastname:");
gets(p[seat].last_name);
p[seat].status = TAKEN;
printf("assign NO.%d seat successfully!\n",p[seat].seat_id);
}
}
}
int main(void)
{
struct planestats plane[SEATS];
int choice;
int i;
size_t size = sizeof(struct planestats);
FILE *fp;
if((fp = fopen("air.dat","rb")) == NULL)
{
fprintf(stderr, "Can't open file %s","air.dat\n");
if((fp = fopen("air.dat","wb")) == NULL)
{
exit(1);
}
for(i = 0; i < SEATS; i++)
{
plane[i].seat_id = i + 1;
plane[i].status = 0;
}
fwrite(plane, size , SEATS, fp);
puts("We created the file air.dat now.");
exit(1);
}
for(i = 0; i < SEATS; i++)
{
plane[i].seat_id = i + 1;
plane[i].status = 0;
}
fread(plane, size , SEATS, fp);
fclose(fp);
while((choice = getmenu()) != 'f')
{
switch(choice)
{
case 'a': printf("%d seat is empty!\n",empty_seat(plane,SEATS));
break;
case 'b': show_empty(plane,SEATS);
break;
case 'c': show_seats(plane,SEATS);
break;
case 'd': assign_seat(plane,SEATS);
break;
case 'e': delet_seat(plane,SEATS);
break;
}
}
if((fp = fopen("air.dat","wb")) == NULL)
{
fprintf(stderr, "Can't open file %s","air.dat");
exit(1);
}
fwrite(plane, size , SEATS, fp);
fclose(fp);
puts("Bye!");
return 0;
}
int main(void)
{
struct seat seats[12];
struct seat temp;
FLAG select;
FILE * fp;
int pointer;
int i;
char seat_no = 1, key = 'L';
for(i = 0; i < 12; i++, seat_no++)
{
seats[i].isAssigned = 0;
seats[i].first_n[0] = '\0';
seats[i].last_n[0] = '\0';
if(i == 6)
{
key = 'R';
seat_no = 1;
}
sprintf(seats[i].seat_num, "%c%d", key, seat_no);
}
if((fp = fopen("seats.bin", "rb")) == NULL)
{
fclose(fp);
if((fp = fopen("seats.bin", "wb")) == NULL)
{
puts("Fail to create \"seats.bin\" file.");
exit(EXIT_FAILURE);
}
fclose(fp);
}
else
{
while(fread(&temp, sizeof(struct seat), 1, fp) == 1)
{
/* if(seats[i].seat_num[0] == 'L')
pointer = atoi(&seats[i].seat_num[1]) - 1;
else
pointer = 5 + atoi(&seats[i].seat_num[1]);
statuses[pointer].isUsed = 1;
i++;
*/
if(temp.seat_num[0] == 'L')
pointer = atoi(&temp.seat_num[1]) - 1;
else
pointer = 5 + atoi(&temp.seat_num[1]);
seats[pointer] = temp;
}
/*while(i < 12)
{
if(seats[i].isAssigned = 0)
for(int j = 0; j < 12; j++)
{
if(statuses[j].isUsed == 0)
{
strcpy(seats[i].seat_num, statuses[j].seat_num);
break;
}
}
i++;
} */
}
menu();
while(select = getchar())
{
fflush(stdin);
switch(select)
{
case 'a':
show_empty(seats);
break;
case 'b':
show_list(seats);
break;
case 'c':
show_alpha(seats);
break;
case 'd':
add_cust(seats);
break;
case 'e':
del_seat(seats);
break;
case 'f':
return 0;
}
menu();
}
}
