Utilities/cmcurl/llist.h

   1 #ifndef __LLIST_H
   2 #define __LLIST_H
   3 /***************************************************************************
   4  *                                  _   _ ____  _
   5  *  Project                     ___| | | |  _ \| |
   6  *                             / __| | | | |_) | |
   7  *                            | (__| |_| |  _ <| |___
   8  *                             \___|\___/|_| \_\_____|
   9  *
  10  * Copyright (C) 1998 - 2005, 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 http://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  * $Id: llist.h,v 1.2 2007-03-15 19:22:13 andy Exp $
  24  ***************************************************************************/
  25
  26 #include "setup.h"
  27 #include <stddef.h>
  28
  29 typedef void (*curl_llist_dtor)(void *, void *);
  30
  31 struct curl_llist_element {
  32   void *ptr;
  33
  34   struct curl_llist_element *prev;
  35   struct curl_llist_element *next;
  36 };
  37
  38 struct curl_llist {
  39   struct curl_llist_element *head;
  40   struct curl_llist_element *tail;
  41
  42   curl_llist_dtor dtor;
  43
  44   size_t size;
  45 };
  46
  47 void Curl_llist_init(struct curl_llist *, curl_llist_dtor);
  48 struct curl_llist *Curl_llist_alloc(curl_llist_dtor);
  49 int Curl_llist_insert_next(struct curl_llist *, struct curl_llist_element *,
  50                            const void *);
  51 int Curl_llist_insert_prev(struct curl_llist *, struct curl_llist_element *,
  52                            const void *);
  53 int Curl_llist_remove(struct curl_llist *, struct curl_llist_element *,
  54                       void *);
  55 int Curl_llist_remove_next(struct curl_llist *, struct curl_llist_element *,
  56                            void *);
  57 size_t Curl_llist_count(struct curl_llist *);
  58 void Curl_llist_destroy(struct curl_llist *, void *);
  59
  60 #endif