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