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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 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9
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10
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11 void *ngx_list_push(ngx_list_t *l)
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12 {
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13 void *elt;
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14 ngx_list_part_t *last;
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15
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16 last = l->last;
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17
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18 if (last->nelts == l->nalloc) {
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19
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20 /* the last part is full, allocate a new list part */
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21
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22 if (!(last = ngx_palloc(l->pool, sizeof(ngx_list_part_t)))) {
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23 return NULL;
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24 }
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25
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26 if (!(last->elts = ngx_palloc(l->pool, l->nalloc * l->size))) {
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27 return NULL;
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28 }
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29
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30 last->nelts = 0;
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31 last->next = NULL;
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32
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33 l->last->next = last;
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34 l->last = last;
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35 }
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36
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37 elt = (char *) last->elts + l->size * last->nelts;
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38 last->nelts++;
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39
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40 return elt;
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41 }
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