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54 lines
1.0 KiB
C
54 lines
1.0 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) Nginx, Inc.
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*/
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#ifndef _NGX_ARRAY_H_INCLUDED_
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#define _NGX_ARRAY_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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typedef struct {
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void *elts;
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ngx_uint_t nelts;
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size_t size;
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ngx_uint_t nalloc;
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ngx_pool_t *pool;
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} ngx_array_t;
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ngx_array_t *ngx_array_create(ngx_pool_t *p, ngx_uint_t n, size_t size);
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void ngx_array_destroy(ngx_array_t *a);
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void *ngx_array_push(ngx_array_t *a);
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void *ngx_array_push_n(ngx_array_t *a, ngx_uint_t n);
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static ngx_inline ngx_int_t
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ngx_array_init(ngx_array_t *array, ngx_pool_t *pool, ngx_uint_t n, size_t size)
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{
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/*
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* set "array->nelts" before "array->elts", otherwise MSVC thinks
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* that "array->nelts" may be used without having been initialized
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*/
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array->nelts = 0;
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array->size = size;
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array->nalloc = n;
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array->pool = pool;
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array->elts = ngx_palloc(pool, n * size);
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if (array->elts == NULL) {
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return NGX_ERROR;
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}
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return NGX_OK;
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}
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#endif /* _NGX_ARRAY_H_INCLUDED_ */
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