2019-09-24 08:20:09 +02:00

58 lines
1.7 KiB
C

/*
* Copyright (C) 2019 Ortega Froysa, Nicolás <nicolas@ortegas.org>
* Author: Ortega Froysa, Nicolás <nicolas@ortegas.org>
*
* 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 <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <gmp.h>
struct llist_item {
mpz_t n; // the number stored
struct llist_item *next; // the next element in the list
struct llist_item *prev; // the previous element in the list
};
struct llist {
struct llist_item *first; // first element of the list
struct llist_item *last; // last element of the list
size_t size; // number of elements in the list
};
/*
* initialize an empty linked list where `first` and `last` are
* equal to NULL and `size` is 0.
*/
void llist_init(struct llist *list);
/*
* free all space allocated to the list.
*/
void llist_deinit(struct llist *list);
/*
* insert an item at the end of the linked list with value `n`.
*
* returns 1 on success, 0 on failure.
*/
int llist_insert(struct llist *list, mpz_t n);
/*
* insert an item in the linked list in a sorted position.
*
* returns 1 on success, 0 on failure.
*/
int llist_sorted_insert(struct llist *list, mpz_t n);