64 lines
2.0 KiB
C
Executable File
64 lines
2.0 KiB
C
Executable File
/*
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+----------------------------------------------------------------------+
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| Swoole |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.0 of the Apache license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.apache.org/licenses/LICENSE-2.0.html |
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| If you did not receive a copy of the Apache2.0 license and are unable|
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| to obtain it through the world-wide-web, please send a note to |
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| license@swoole.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Tianfeng Han <mikan.tenny@gmail.com> |
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+----------------------------------------------------------------------+
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*/
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#ifndef _SW_ARRAY_H_
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#define _SW_ARRAY_H_
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/**
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* 默认swArray->pages指针数组的长度为SW_ARRAY_PAGE_MAX,也就是最多可以管理(SW_ARRAY_PAGE_MAX*page_size)个元素
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*/
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#define SW_ARRAY_PAGE_MAX 1024
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typedef struct _swArray
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{
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void **pages;
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/**
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* 页的数量
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*/
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uint16_t page_num;
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/**
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* 每页的数据元素个数
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*/
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uint16_t page_size;
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/**
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* 数据元素的尺寸
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*/
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uint32_t item_size;
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/**
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* 数据个数
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*/
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uint32_t item_num;
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uint32_t offset;
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} swArray;
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#define swArray_page(array, n) ((n) / (array)->page_size)
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#define swArray_offset(array, n) ((n) % (array)->page_size)
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swArray *swArray_new(int page_size, size_t item_size);
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void swArray_free(swArray *array);
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void *swArray_fetch(swArray *array, uint32_t n);
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int swArray_store(swArray *array, uint32_t n, void *data);
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void *swArray_alloc(swArray *array, uint32_t n);
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int swArray_append(swArray *array, void *data);
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int swArray_extend(swArray *array);
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void swArray_clear(swArray *array);
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#endif /* _SW_ARRAY_H_ */
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