void delet_seat(struct planestats p[], int n)
{
int number, seat;
show_seats(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 == EMPTY)
printf("NO.%d seat is already empty!\n",p[seat].seat_id);
else
{
p[seat].status = EMPTY;
printf("delet 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;
}
void
execute_input(char * input){
char cmd[15];
char id[3];
char times[5];
int i;
int cant;
for(i=0; i<15 && input[i]!= '\0' && input[i]!=' ' && input[i]!= '\n';i++){
cmd[i]=input[i];
}
cmd[i] = '\0';
if(strcmp(cmd, "ShowMovies")==0){
show_movies();
return;
}
if(strcmp(cmd,"ReserveSeat")==0){
for(i=0;i<2 && input+(12+i)!='\0' && input[12+i]!=' ';i++){
id[i]=*(input+(12+i));
}
id[2] = '\0';
if(i!=2|| input[14] !=' '){
printf("%s\n", "Not valid arguments.");
return;
}
for(i=0;i<4 && input+(15+i) !='\0' && input[15+i]!=' ';i++){
times[i]=*(input+(15+i));
}
if(i!=4 || input[19] != ' '){
printf("%s\n", "Not valid arguments.");
return;
}
times[4]='\0';
cant=atoi(input+20);
if(cant==0){
printf("%s\n","Not valid arguments" );
return;
}
if(getSeats(id, times) < cant){
printf("The are not enough seats available.\n", cant);
return;
}
reserveSeat(id,times,cant);
return;
}
if(strcmp(cmd, "CheckSeats")==0){
for(i=0;i<2 && input+(11+i)!='\0' && input[11+i]!=' ';i++){
id[i]=*(input+(11+i));
}
id[2] = '\0';
if(i!=2|| input[13] !=' '){
printf("%s\n", "Not valid arguments.");
return;
}
for(i=0;i<4 && input+(14+i) !='\0' && input[14+i]!=' ';i++){
times[i]=*(input+(14+i));
}
if(i!=4){
printf("%s\n", "Not valid arguments.");
return;
}
times[4]='\0';
show_seats(id,times);
return;
}
if(strcmp(cmd, "Help")==0){
printf("ShowMovies: displays a list of all the movies available.\n\n");
printf("CheckSeats: indicates how many seats left are available for that movie. You will have to indicate the ID and time of the movie.\n");
printf(" Example: 'CheckSeats 09 2100' will indicate the number of seats left for the movie which has 09 as id and airs at 2100\n\n");
printf("ReserveSeats: reserves the seats for a specific movie at a specific time. You will have to indicate the id and time of the movie as well as the amount of seats to reserve.\n");
printf(" Example: 'ReserveSeats 02 2100 5' will reserve 5 seats for the movie which has id 02 at 2100");
}
printf("%s\n", "Invalid option.\n");
}
