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/*
* Copyright (C) Max Romanov
* Copyright (C) NGINX, Inc.
*/
#ifndef NXT_CONFIGURE
#include <stdint.h>
#include <sys/types.h>
#include <nxt_main.h>
#include "nxt_go_array.h"
void
nxt_go_array_init(nxt_array_t *array, nxt_uint_t n, size_t size)
{
array->elts = malloc(n * size);
if (nxt_slow_path(n != 0 && array->elts == NULL)) {
return;
}
array->nelts = 0;
array->size = size;
array->nalloc = n;
array->mem_pool = NULL;
}
void *
nxt_go_array_add(nxt_array_t *array)
{
void *p;
uint32_t nalloc, new_alloc;
nalloc = array->nalloc;
if (array->nelts == nalloc) {
if (nalloc < 16) {
/* Allocate new array twice larger than current. */
new_alloc = nalloc * 2;
} else {
/* Allocate new array 1.5 times larger than current. */
new_alloc = nalloc + nalloc / 2;
}
p = realloc(array->elts, array->size * new_alloc);
if (nxt_slow_path(p == NULL)) {
return NULL;
}
array->elts = p;
array->nalloc = new_alloc;
}
p = nxt_pointer_to(array->elts, array->size * array->nelts);
array->nelts++;
return p;
}
#endif /* NXT_CONFIGURE */
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