/**
* Give a food item to a customer
*
* @param c Customer
* @param ftype Type of food
* @param food Food item
* @return SUCCESS on success, else -1 if invalid ftype
*/
static char cgc_give_food_to_customer(Customer *c, FoodTypes ftype, void *food) {
char ret = SUCCESS;
unsigned int bufsz = 0;
void *buf = NULL;
// get size of food using provided ftype
switch (ftype) {
case APP_TYPE:
DBG("food size as appetizer\n");
bufsz = sizeof(Appetizer);
break;
case MEAL_TYPE:
DBG("food size as Meal\n");
bufsz = sizeof(Meal);
break;
case DES_TYPE:
DBG("food size as Dessert\n");
bufsz = sizeof(Dessert);
break;
default:
DBG("invalid ftype\n");
ret = -1;
}
#ifndef PATCHED_9
// VULN: table.status can be mismatched with ftype provided by user.
// Use table.status to get location to cgc_write food into Customer and the proper food inspection function
ftype = cgc_get_delivery_foodtype_from_tablestatus(table.status);
#endif
switch (ftype) {
case APP_TYPE:
DBG("buf as appetizer\n");
buf = &c->a;
c->fi = cgc_inspect_appetizer;
break;
case MEAL_TYPE:
DBG("buf as Meal\n");
buf = &c->m;
c->fi = cgc_inspect_meal;
break;
case DES_TYPE:
DBG("buf as Dessert\n");
buf = &c->d;
c->fi = cgc_inspect_dessert;
break;
default:
DBG("invalid ftype\n");
ret = -1;
}
if (SUCCESS == ret) {
cgc_accept_food(food, buf, bufsz);
ret = c->fi(buf, c->id);
}
#ifdef DEBUG
switch (ftype) {
case APP_TYPE:
DBG("wrote appetizer\n");
print_appetizer(&c->a);
break;
case MEAL_TYPE:
DBG("wrote meal\n");
print_meal(&c->m);
break;
case DES_TYPE:
DBG("wrote dessert\n");
print_dessert(&c->d);
break;
default:
DBG("invalid ftype\n");
ret = -1;
}
print_customer(c);
#endif
return ret;
}
void print_customer(Customer *c) {
DBG("Customer id: %U, next: %H\n", c->id, c->next);
print_appetizer(&c->a);
print_meal(&c->m);
print_dessert(&c->d);
}