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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #ifndef _NGX_ARRAY_H_INCLUDED_
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8 #define _NGX_ARRAY_H_INCLUDED_
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9
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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13
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14
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15 struct ngx_array_s {
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16 void *elts;
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17 ngx_uint_t nelts;
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18 size_t size;
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19 ngx_uint_t nalloc;
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20 ngx_pool_t *pool;
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21 };
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22
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23
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24 ngx_array_t *ngx_create_array(ngx_pool_t *p, ngx_uint_t n, size_t size);
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25 void ngx_destroy_array(ngx_array_t *a);
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26 void *ngx_push_array(ngx_array_t *a);
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27
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28
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29 ngx_inline static ngx_int_t ngx_array_init(ngx_array_t *array, ngx_pool_t *pool,
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30 ngx_uint_t n, size_t size)
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31 {
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32 if (!(array->elts = ngx_palloc(pool, n * size))) {
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33 return NGX_ERROR;
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34 }
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35
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36 array->nelts = 0;
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37 array->size = size;
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38 array->nalloc = n;
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39 array->pool = pool;
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40
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41 return NGX_OK;
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42 }
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43
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44
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45
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46 #define ngx_init_array(a, p, n, s, rc) \
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47 ngx_test_null(a.elts, ngx_palloc(p, n * s), rc); \
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48 a.nelts = 0; a.size = s; a.nalloc = n; a.pool = p;
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49
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50 #define ngx_array_create ngx_create_array
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51 #define ngx_array_push ngx_push_array
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52
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53
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54 #endif /* _NGX_ARRAY_H_INCLUDED_ */
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