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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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34
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24 ngx_array_t *ngx_array_create(ngx_pool_t *p, ngx_uint_t n, size_t size);
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25 void ngx_array_destroy(ngx_array_t *a);
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26 void *ngx_array_push(ngx_array_t *a);
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27 void *ngx_array_push_n(ngx_array_t *a, ngx_uint_t n);
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28
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29
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50
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30 static ngx_inline ngx_int_t
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31 ngx_array_init(ngx_array_t *array, ngx_pool_t *pool, ngx_uint_t n, size_t size)
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32 {
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58
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33 /*
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34 * set "array->nelts" before "array->elts", otherwise MSVC thinks
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35 * that "array->nelts" may be used without having been initialized
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36 */
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37
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38 array->nelts = 0;
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39 array->size = size;
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40 array->nalloc = n;
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41 array->pool = pool;
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42
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58
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43 array->elts = ngx_palloc(pool, n * size);
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44 if (array->elts == NULL) {
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45 return NGX_ERROR;
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46 }
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47
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48 return NGX_OK;
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49 }
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50
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51
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52 #endif /* _NGX_ARRAY_H_INCLUDED_ */
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