56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#include "util/easy_array.h"
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easy_array_t *easy_array_create(int object_size)
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{
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easy_pool_t *pool;
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easy_array_t *array;
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if ((pool = easy_pool_create(0)) == NULL)
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return NULL;
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if ((array = (easy_array_t *)easy_pool_alloc(pool, sizeof(easy_array_t))) == NULL)
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return NULL;
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easy_list_init(&array->list);
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array->count = 0;
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array->pool = pool;
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array->object_size = easy_max(object_size, (int)sizeof(easy_list_t));
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return array;
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}
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void easy_array_destroy(easy_array_t *array)
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{
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easy_pool_destroy(array->pool);
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}
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void *easy_array_alloc(easy_array_t *array)
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{
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if (easy_list_empty(&array->list) == 0) {
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array->count --;
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char *ptr = (char *)array->list.prev;
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easy_list_del((easy_list_t *)ptr);
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return ptr;
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}
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return easy_pool_alloc(array->pool, array->object_size);
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}
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void easy_array_free(easy_array_t *array, void *ptr)
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{
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array->count ++;
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easy_list_add_tail((easy_list_t *)ptr, &array->list);
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}
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