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/*
* Copyright (C) Igor Sysoev
* Copyright (C) Nginx, Inc.
*/
#include <ngx_config.h>
#include <ngx_core.h>
ngx_list_t *
ngx_list_create(ngx_pool_t *pool, ngx_uint_t n, size_t size)
{
ngx_list_t *list;
list = ngx_palloc(pool, sizeof(ngx_list_t));
if (list == NULL) {
return NULL;
}
if (ngx_list_init(list, pool, n, size) != NGX_OK) {
return NULL;
}
return list;
}
void *
ngx_list_push(ngx_list_t *l)
{
void *elt;
ngx_list_part_t *last;
last = l->last;
if (last->nelts == l->nalloc) {
/* the last part is full, allocate a new list part */
last = ngx_palloc(l->pool, sizeof(ngx_list_part_t));
if (last == NULL) {
return NULL;
}
last->elts = ngx_palloc(l->pool, l->nalloc * l->size);
if (last->elts == NULL) {
return NULL;
}
last->nelts = 0;
last->next = NULL;
l->last->next = last;
l->last = last;
}
elt = (char *) last->elts + l->size * last->nelts;
last->nelts++;
return elt;
}
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