mirror of
https://github.com/moparisthebest/curl
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65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
#ifndef __LLIST_H
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#define __LLIST_H
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/*****************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 2001, Daniel Stenberg, <daniel@haxx.se>, et al
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*
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* In order to be useful for every potential user, curl and libcurl are
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* dual-licensed under the MPL and the MIT/X-derivate licenses.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the MPL or the MIT/X-derivate
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* licenses. You may pick one of these licenses.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* $Id$
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*****************************************************************************/
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#include "setup.h"
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#include <stddef.h>
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typedef void (*curl_llist_dtor)(void *, void *);
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typedef struct _curl_llist_element {
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void *ptr;
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struct _curl_llist_element *prev;
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struct _curl_llist_element *next;
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} curl_llist_element;
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typedef struct _curl_llist {
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curl_llist_element *head;
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curl_llist_element *tail;
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curl_llist_dtor dtor;
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size_t size;
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} curl_llist;
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void curl_llist_init(curl_llist *, curl_llist_dtor);
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curl_llist *curl_llist_alloc(curl_llist_dtor);
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int curl_llist_insert_next(curl_llist *, curl_llist_element *, const void *);
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int curl_llist_insert_prev(curl_llist *, curl_llist_element *, const void *);
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int curl_llist_remove(curl_llist *, curl_llist_element *, void *);
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int curl_llist_remove_next(curl_llist *, curl_llist_element *, void *);
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size_t curl_llist_count(curl_llist *);
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void curl_llist_destroy(curl_llist *, void *);
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#define CURL_LLIST_HEAD(__l) ((__l)->head)
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#define CURL_LLIST_TAIL(__l) ((__l)->tail)
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#define CURL_LLIST_NEXT(__e) ((__e)->next)
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#define CURL_LLIST_PREV(__e) ((__e)->prev)
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#define CURL_LLIST_VALP(__e) ((__e)->ptr)
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#define CURL_LLIST_IS_TAIL(__e) ((__e)->next ? 0 : 1)
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#define CURL_LLIST_IS_HEAD(__e) ((__e)->prev ? 0 : 1)
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#endif
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