Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

131 lines (110 sloc) 2.808 kb
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2004, 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 http://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.
*
* $Id$
***************************************************************************/
#include "setup.h"
#include <string.h>
#include <stdlib.h>
#include "llist.h"
#include "memory.h"
/* this must be the last include file */
#include "memdebug.h"
void
Curl_llist_init(curl_llist *l, curl_llist_dtor dtor)
{
l->size = 0;
l->dtor = dtor;
l->head = NULL;
l->tail = NULL;
}
curl_llist *
Curl_llist_alloc(curl_llist_dtor dtor)
{
curl_llist *list;
list = (curl_llist *)malloc(sizeof(curl_llist));
if(NULL == list)
return NULL;
Curl_llist_init(list, dtor);
return list;
}
/*
* Curl_llist_insert_next() returns 1 on success and 0 on failure.
*/
int
Curl_llist_insert_next(curl_llist *list, curl_llist_element *e, const void *p)
{
curl_llist_element *ne =
(curl_llist_element *) malloc(sizeof(curl_llist_element));
if(!ne)
return 0;
ne->ptr = (void *) p;
if (list->size == 0) {
list->head = ne;
list->head->prev = NULL;
list->head->next = NULL;
list->tail = ne;
}
else {
ne->next = e->next;
ne->prev = e;
if (e->next) {
e->next->prev = ne;
}
else {
list->tail = ne;
}
e->next = ne;
}
++list->size;
return 1;
}
int
Curl_llist_remove(curl_llist *list, curl_llist_element *e, void *user)
{
if (e == NULL || list->size == 0)
return 1;
if (e == list->head) {
list->head = e->next;
if (list->head == NULL)
list->tail = NULL;
else
e->next->prev = NULL;
} else {
e->prev->next = e->next;
if (!e->next)
list->tail = e->prev;
else
e->next->prev = e->prev;
}
list->dtor(user, e->ptr);
free(e);
--list->size;
return 1;
}
void
Curl_llist_destroy(curl_llist *list, void *user)
{
if(list) {
while (list->size > 0)
Curl_llist_remove(list, list->tail, user);
free(list);
}
}
Jump to Line
Something went wrong with that request. Please try again.