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curl/lib/llist.h
Daniel Stenberg e60fe20fdf llist: replace Curl_llist_alloc with Curl_llist_init
No longer allocate the curl_llist head struct for lists separately.

Removes 17 (15%) tiny allocations in a normal "curl localhost" invoke.

closes #1381
2017-04-04 15:27:45 +02:00

58 lines
1.9 KiB
C

#ifndef HEADER_CURL_LLIST_H
#define HEADER_CURL_LLIST_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "curl_setup.h"
#include <stddef.h>
typedef void (*curl_llist_dtor)(void *, void *);
struct curl_llist_element {
void *ptr;
struct curl_llist_element *prev;
struct curl_llist_element *next;
};
struct curl_llist {
struct curl_llist_element *head;
struct curl_llist_element *tail;
curl_llist_dtor dtor;
size_t size;
};
void Curl_llist_init(struct curl_llist *, curl_llist_dtor);
int Curl_llist_insert_next(struct curl_llist *, struct curl_llist_element *,
const void *);
int Curl_llist_remove(struct curl_llist *, struct curl_llist_element *,
void *);
size_t Curl_llist_count(struct curl_llist *);
void Curl_llist_destroy(struct curl_llist *, void *);
int Curl_llist_move(struct curl_llist *, struct curl_llist_element *,
struct curl_llist *, struct curl_llist_element *);
#endif /* HEADER_CURL_LLIST_H */