/*
 * Copyright (C) 2023 Johnny Richard
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
#include "list.h"

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

static list_t *
list_alloc(void)
{
  list_t *list = (list_t *)malloc(sizeof(list_t));
  if (list == NULL) {
    fprintf(stderr, "list_alloc: Out of memory %s\n", strerror(errno));
    exit(EXIT_FAILURE);
  }
  return list;
}

list_t *
list_new(void)
{
  return NULL;
}

void
list_prepend(list_t **list, void *data)
{
  list_t *new_list = list_alloc();
  new_list->data = data;
  new_list->next = *list;
  *list = new_list;
}

size_t
list_get_size(list_t *list)
{
  size_t size = 0;
  while (list != NULL) {
    list = list->next;
    size++;
  }
  return size;
}

void
list_destroy(list_t *list)
{
  while (list != NULL) {
    list_t *previous = list;
    list = list->next;
    free(previous);
  }
}