1 #ifndef HEADER_CURL_LLIST_H
2 #define HEADER_CURL_LLIST_H
3 /***************************************************************************
4  *                                  _   _ ____  _
5  *  Project                     ___| | | |  _ \| |
6  *                             / __| | | | |_) | |
7  *                            | (__| |_| |  _ <| |___
8  *                             \___|\___/|_| \_\_____|
9  *
10  * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
11  *
12  * This software is licensed as described in the file COPYING, which
13  * you should have received as part of this distribution. The terms
14  * are also available at https://curl.haxx.se/docs/copyright.html.
15  *
16  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17  * copies of the Software, and permit persons to whom the Software is
18  * furnished to do so, under the terms of the COPYING file.
19  *
20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21  * KIND, either express or implied.
22  *
23  ***************************************************************************/
24 
25 #include "curl_setup.h"
26 #include <stddef.h>
27 
28 typedef void (*Curl_llist_dtor)(void *, void *);
29 
30 struct Curl_llist_element {
31   void *ptr;
32   struct Curl_llist_element *prev;
33   struct Curl_llist_element *next;
34 };
35 
36 struct Curl_llist {
37   struct Curl_llist_element *head;
38   struct Curl_llist_element *tail;
39   Curl_llist_dtor dtor;
40   size_t size;
41 };
42 
43 void Curl_llist_init(struct Curl_llist *, Curl_llist_dtor);
44 void Curl_llist_insert_next(struct Curl_llist *, struct Curl_llist_element *,
45                             const void *, struct Curl_llist_element *node);
46 void Curl_llist_remove(struct Curl_llist *, struct Curl_llist_element *,
47                        void *);
48 size_t Curl_llist_count(struct Curl_llist *);
49 void Curl_llist_destroy(struct Curl_llist *, void *);
50 #endif /* HEADER_CURL_LLIST_H */
51