BLI_mempool.h

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/* SPDX-FileCopyrightText: 2008 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "BLI_compiler_attrs.h"
#include "BLI_utildefines.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct BLI_mempool;
struct BLI_mempool_chunk;
 
typedef struct BLI_mempool BLI_mempool;
 
BLI_mempool *BLI_mempool_create(unsigned int esize,
                                unsigned int elem_num,
                                unsigned int pchunk,
                                unsigned int flag)
    ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_RETURNS_NONNULL;
void *BLI_mempool_alloc(BLI_mempool *pool) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_RETURNS_NONNULL
    ATTR_NONNULL(1);
void *BLI_mempool_calloc(BLI_mempool *pool)
    ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_RETURNS_NONNULL ATTR_NONNULL(1);
void BLI_mempool_free(BLI_mempool *pool, void *addr) ATTR_NONNULL(1, 2);
void BLI_mempool_clear_ex(BLI_mempool *pool, int elem_num_reserve) ATTR_NONNULL(1);
void BLI_mempool_clear(BLI_mempool *pool) ATTR_NONNULL(1);
void BLI_mempool_destroy(BLI_mempool *pool) ATTR_NONNULL(1);
int BLI_mempool_len(const BLI_mempool *pool) ATTR_NONNULL(1);
void *BLI_mempool_findelem(BLI_mempool *pool, unsigned int index) ATTR_WARN_UNUSED_RESULT
    ATTR_NONNULL(1);
 
void BLI_mempool_as_array(BLI_mempool *pool, void *data) ATTR_NONNULL(1, 2);
void *BLI_mempool_as_arrayN(BLI_mempool *pool,
                            const char *allocstr) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT
    ATTR_NONNULL(1, 2);
 
#ifndef NDEBUG
void BLI_mempool_set_memory_debug(void);
#endif
 
typedef struct BLI_mempool_iter {
  BLI_mempool *pool;
  struct BLI_mempool_chunk *curchunk;
  unsigned int curindex;
} BLI_mempool_iter;
 
enum {
  BLI_MEMPOOL_NOP = 0,
  BLI_MEMPOOL_ALLOW_ITER = (1 << 0),
};
 
void BLI_mempool_iternew(BLI_mempool *pool, BLI_mempool_iter *iter) ATTR_NONNULL();
void *BLI_mempool_iterstep(BLI_mempool_iter *iter) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
 
#ifdef __cplusplus
}
#endif