BLI_linklist.h

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/*
 * 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.
 */
 
#pragma once
 
#include "BLI_compiler_attrs.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct BLI_mempool;
struct MemArena;
 
typedef void (*LinkNodeFreeFP)(void *link);
typedef void (*LinkNodeApplyFP)(void *link, void *userdata);
 
typedef struct LinkNode {
  struct LinkNode *next;
  void *link;
} LinkNode;
 
typedef struct LinkNodePair {
  LinkNode *list, *last_node;
} LinkNodePair;
 
int BLI_linklist_count(const LinkNode *list) ATTR_WARN_UNUSED_RESULT;
int BLI_linklist_index(const LinkNode *list, void *ptr) ATTR_WARN_UNUSED_RESULT;
 
LinkNode *BLI_linklist_find(LinkNode *list, int index) ATTR_WARN_UNUSED_RESULT;
LinkNode *BLI_linklist_find_last(LinkNode *list) 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)))
#define BLI_linklist_append_alloca(list_pair, ptr) \
  BLI_linklist_append_nlink(list_pair, ptr, alloca(sizeof(LinkNode)))
 
#ifdef __cplusplus
}
#endif