quakeforge/include/QF/llist.h

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/*
llist.h
Linked list functions
Copyright (C) 2003 Brian Koropoff
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
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the 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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifndef _LLIST_H
#define _LLIST_H
#include "QF/qtypes.h"
typedef struct llist_node_s {
struct llist_s *parent;
struct llist_node_s *prev, *next;
void *data;
} llist_node_t;
typedef struct llist_s {
struct llist_node_s *start, *end, *iter;
void (*freedata)(void *element, void *userdata);
qboolean (*cmpdata)(const void *element, const void *comparison, void *userdata);
void *userdata;
} llist_t;
typedef qboolean (*llist_iterator_t)(void *element, llist_node_t *node);
#define LLIST_ICAST(x) (llist_iterator_t)(x)
#define LLIST_DATA(node, type) ((type *)((node)->data))
llist_t *llist_new (void (*freedata)(void *element, void *userdata), qboolean (*cmpdata)(const void *element, const void *comparison, void *userdata), void *userdata);
void llist_flush (llist_t *list);
void llist_delete (llist_t *list);
llist_node_t *llist_append (llist_t *list, void *element);
llist_node_t *llist_prefix (llist_t *list, void *element);
llist_node_t *llist_getnode (llist_t *list, void *element) __attribute__((pure));
llist_node_t *llist_insertafter (llist_node_t *ref, void *element);
llist_node_t *llist_insertbefore (llist_node_t *ref, void *element);
void *llist_remove (llist_node_t *ref);
unsigned int llist_size (llist_t *llist) __attribute__((pure));
void llist_iterate (llist_t *list, llist_iterator_t iterate);
void *llist_find (llist_t *list, void *comparison);
llist_node_t *llist_findnode (llist_t *list, void *comparison);
void *llist_createarray (llist_t *list, size_t esize);
#endif