usaa23/cv7/a_station.c

84 lines
2.5 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){
for (int i = 0; i < station->track_count; i++) {
struct car* eto = station->tracks[i];
while (eto != NULL) {
struct car* delete = eto;
eto = delete->next;
free(delet);
}
}
free(station->tracks);
free(station);
}
int select_track(struct station* station, const char* target){
if (target[0] >= 'A' && target[0] <= 'Z') {
return target[0] - 'A';
} else if (target[0] >= 'a' && target[0] <= 'z') {
return target[0] - 'a';
} else {
return 0;
}
}
void add_target_capacity(struct station* station,const char* target, int capacity){
int track = select_track(station, target);
struct car* new_car = (struct car*)malloc(sizeof(struct car));
strncpy(new_car->value, target, TARGET_SIZE);
new_car->capacity = capacity;
new_car->next = station->tracks[track];
station->tracks[track] = new_car;
}
int get_target_capacity(struct station* station,const char* target){
int track = select_track(station, target);
struct car* aktualna = station->tracks[track];
while (aktualna != NULL) {
if (strcmp(aktualna->value, target) == 0) {
return aktualna->capacity;
}
aktualna = aktualna->next;
}
return 0;
}
int count_targets(struct station* station){
int count = 0;
for (int i = 0; i < station->track_count; i++) {
struct car* aktualna = station->tracks[i];
while (aktualna != NULL) {
count++;
aktualna = aktualna->next;
}
}
return count;
}
int count_capacity(struct station* station){
int total_capacity = 0;
for (int i = 0; i < station->track_count; i++) {
struct car* aktualna = station->tracks[i];
while (aktualna != NULL) {
total_capacity += aktualna->capacity;
aktualna = aktualna->next;
}
}
return total_capacity;
}