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chan-capi/dlist.h

54 lines
2.1 KiB

/*
*
Copyright (c) Dialogic, 2009.
*
This source file is supplied for the use with
Dialogic range of DIVA Server Adapters.
*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
*
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
*
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __DIVA_LINK_H__
#define __DIVA_LINK_H__
struct _diva_entity_link;
typedef struct _diva_entity_link {
struct _diva_entity_link* prev;
struct _diva_entity_link* next;
} diva_entity_link_t;
typedef struct _diva_entity_queue {
diva_entity_link_t* head;
diva_entity_link_t* tail;
} diva_entity_queue_t;
typedef int (*diva_q_cmp_fn_t)(const void* what,
const diva_entity_link_t*);
void diva_q_remove (diva_entity_queue_t* q, diva_entity_link_t* what);
void diva_q_add_tail (diva_entity_queue_t* q, diva_entity_link_t* what);
void diva_q_insert_after (diva_entity_queue_t* q, diva_entity_link_t* prev, diva_entity_link_t* what);
void diva_q_insert_before (diva_entity_queue_t* q, diva_entity_link_t* next, diva_entity_link_t* what);
diva_entity_link_t* diva_q_find (const diva_entity_queue_t* q,
const void* what, diva_q_cmp_fn_t cmp_fn);
diva_entity_link_t* diva_q_get_head (const diva_entity_queue_t* q);
diva_entity_link_t* diva_q_get_tail (const diva_entity_queue_t* q);
diva_entity_link_t* diva_q_get_next (const diva_entity_link_t* what);
diva_entity_link_t* diva_q_get_prev (const diva_entity_link_t* what);
int diva_q_get_nr_of_entries (const diva_entity_queue_t* q);
void diva_q_init (diva_entity_queue_t* q);
#endif