curl/ares/ares_llist.h

44 lines
1.3 KiB
C

#ifndef __ARES_LLIST_H
#define __ARES_LLIST_H
/* $Id$ */
/* Copyright 1998 by the Massachusetts Institute of Technology.
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting
* documentation, and that the name of M.I.T. not be used in
* advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is"
* without express or implied warranty.
*/
/* Node definition for circular, doubly-linked list */
struct list_node {
struct list_node *prev;
struct list_node *next;
void* data;
};
void ares__init_list_head(struct list_node* head);
void ares__init_list_node(struct list_node* node, void* d);
int ares__is_list_empty(struct list_node* head);
void ares__insert_in_list(struct list_node* new_node,
struct list_node* old_node);
void ares__remove_from_list(struct list_node* node);
void ares__swap_lists(struct list_node* head_a,
struct list_node* head_b);
#endif /* __ARES_LLIST_H */