ArchiSys/TD/TD1/td1_lucas/ex_6/ex_6.c

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include "include/ex_6.h"
#include "include/colors.h"


event_t* new_event(time_t time, char* desc) {
    event_t* new = malloc(sizeof(event_t));
    new->desc = malloc((strlen(desc)+1)*sizeof(char));
    new->time = time;
    new->next = NULL;

    strcpy(new->desc, desc);

    return new;
}


event_t* insert_event(time_t time, char* desc, event_t* events) {
    if (events && time > events->time) {
        events->next = insert_event(time, desc, events->next);
        return events;
    }

    event_t* new = new_event(time, desc);
    new->next = events;

    return new;
}

void show_events(event_t* event) {
    if (!event)
        return;

    printf("Event: " BOLD "%s" RESET "\n", event->desc);
    printf("Date: " BOLD "%s" RESET "\n", ctime(&event->time));

    show_events(event->next);
}


void free_events(event_t* event) {
    if (!event)
        return;

    free_events(event->next);

    free(event->desc);
    free(event);
}

time_t time_of_string(char* string) {
    struct tm date = {0};
    if (sscanf(string, "%d-%d-%d %dh%d", &date.tm_mday, &date.tm_mon, &date.tm_year, &date.tm_hour, &date.tm_min) == 5) {
        date.tm_mon--;
        date.tm_year -= 1900;

        return mktime(&date);
    }

    printf(BOLD RED "Failed to parse date !\n" RESET);
    return (-1);
}

int main() {
    event_t* events = NULL;

    events = insert_event(time_of_string("19-03-2024 10h15"), "TP ArchiSys", events);
    events = insert_event(time_of_string("21-03-2024 8h05"), "Cours ArchiSys", events);
    events = insert_event(time_of_string("12-03-2024 10h15"), "TP ArchiSys", events);

    show_events(events);

    free_events(events);

    return 0;
}