usaa24/cv6/a_station.c
2024-11-04 14:01:58 +01:00

58 lines
1.5 KiB
C

#include "a_station.h"
#include <stdlib.h>
#include <string.h>
struct station* create_station(){
struct station* station = (struct station*)calloc(1,sizeof(struct station));
station->tracks = (struct car**)calloc(STATION_SIZE, sizeof(struct car*));
station->track_count = STATION_SIZE;
return station;
}
void destroy_station(struct station* station){
}
int select_track(struct station* station, const char* target){
unsigned long hash = 5381;
int c;
while ((c = *target++)) {
hash = ((hash << 5) + hash) + c; // hash * 33 + c
}
return hash % station->track_count;
}
void add_target_capacity(struct station* station,const char* target, int capacity){
int index = select_track(station, target);
struct car* current = station->tracks[index];
while (current) {
if (strcmp(current->value, target) == 0) {
current->capacity += capacity; // Pridá kapacitu
return;
}
current = current->next;
}
// Ak ciel neexistuje, pridá novy zaznam do zoznamu
struct car* new_car = (struct car*)malloc(sizeof(struct car));
strncpy(new_car->value, target, TARGET_SIZE - 1);
new_car->value[TARGET_SIZE - 1] = '\0';
new_car->capacity = capacity;
new_car->next = station->tracks[index];
station->tracks[index] = new_car;
}
int get_target_capacity(struct station* station,const char* target){
return 0;
}
int count_targets(struct station* station){
return 0;
}
int count_capacity(struct station* station){
return 0;
}