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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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 the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __BLI_LINKLIST_H__
#define __BLI_LINKLIST_H__
/** \file BLI_linklist.h
* \ingroup bli
* \brief Routines for working with singly linked lists
* of 'links' - pointers to other data.
*
*/
#include "BLI_compiler_attrs.h"
struct MemArena;
struct BLI_mempool;
typedef void (*LinkNodeFreeFP)(void *link);
typedef void (*LinkNodeApplyFP)(void *link, void *userdata);
typedef struct LinkNode {
struct LinkNode *next;
void *link;
} LinkNode;
/**
* Use for append (single linked list, storing the last element).
*
* \note list manipulation functions don't operate on this struct.
* This is only to be used while appending.
*/
typedef struct LinkNodePair {
LinkNode *list, *last_node;
} LinkNodePair;
int BLI_linklist_count(LinkNode *list) ATTR_WARN_UNUSED_RESULT;
int BLI_linklist_index(LinkNode *list, void *ptr) ATTR_WARN_UNUSED_RESULT;
LinkNode *BLI_linklist_find(LinkNode *list, int index) ATTR_WARN_UNUSED_RESULT;
void BLI_linklist_reverse(LinkNode **listp) ATTR_NONNULL(1);
void BLI_linklist_move_item(LinkNode **listp, int curr_index, int new_index) ATTR_NONNULL(1);
void BLI_linklist_prepend_nlink(LinkNode **listp, void *ptr, LinkNode *nlink) ATTR_NONNULL(1, 3);
void BLI_linklist_prepend(LinkNode **listp, void *ptr) ATTR_NONNULL(1);
void BLI_linklist_prepend_arena(LinkNode **listp, void *ptr, struct MemArena *ma) ATTR_NONNULL(1, 3);
void BLI_linklist_prepend_pool(LinkNode **listp, void *ptr, struct BLI_mempool *mempool) ATTR_NONNULL(1, 3);
/* use LinkNodePair to avoid full search */
void BLI_linklist_append_nlink(LinkNodePair *list_pair, void *ptr, LinkNode *nlink) ATTR_NONNULL(1, 3);
void BLI_linklist_append(LinkNodePair *list_pair, void *ptr) ATTR_NONNULL(1);
void BLI_linklist_append_arena(LinkNodePair *list_pair, void *ptr, struct MemArena *ma) ATTR_NONNULL(1, 3);
void BLI_linklist_append_pool(LinkNodePair *list_pair, void *ptr, struct BLI_mempool *mempool) ATTR_NONNULL(1, 3);
void *BLI_linklist_pop(LinkNode **listp) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1);
void *BLI_linklist_pop_pool(LinkNode **listp, struct BLI_mempool *mempool) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1, 2);
void BLI_linklist_insert_after(LinkNode **listp, void *ptr) ATTR_NONNULL(1);
void BLI_linklist_free(LinkNode *list, LinkNodeFreeFP freefunc);
void BLI_linklist_freeN(LinkNode *list);
void BLI_linklist_free_pool(LinkNode *list, LinkNodeFreeFP freefunc, struct BLI_mempool *mempool);
void BLI_linklist_apply(LinkNode *list, LinkNodeApplyFP applyfunc, void *userdata);
LinkNode *BLI_linklist_sort(LinkNode *list, int (*cmp)(const void *, const void *)) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(2);
LinkNode *BLI_linklist_sort_r(LinkNode *list, int (*cmp)(void *, const void *, const void *), void *thunk) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(2);
#define BLI_linklist_prepend_alloca(listp, ptr) \
BLI_linklist_prepend_nlink(listp, ptr, alloca(sizeof(LinkNode)))
#endif /* __BLI_LINKLIST_H__ */
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