40eb1f8b9b
All header files are copied to Go package sources. As the result, package can be (re-)build when required. This closes #23 issue on GitHub.
63 lines
1.2 KiB
C
63 lines
1.2 KiB
C
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/*
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* Copyright (C) Max Romanov
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* Copyright (C) NGINX, Inc.
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*/
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#include <stdint.h>
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#include <sys/types.h>
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#include <nxt_main.h>
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#include "nxt_go_array.h"
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void
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nxt_go_array_init(nxt_array_t *array, nxt_uint_t n, size_t size)
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{
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array->elts = malloc(n * size);
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if (nxt_slow_path(n != 0 && array->elts == NULL)) {
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return;
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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->mem_pool = NULL;
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}
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void *
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nxt_go_array_add(nxt_array_t *array)
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{
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void *p;
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uint32_t nalloc, new_alloc;
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nalloc = array->nalloc;
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if (array->nelts == nalloc) {
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if (nalloc < 16) {
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/* Allocate new array twice larger than current. */
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new_alloc = nalloc * 2;
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} else {
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/* Allocate new array 1.5 times larger than current. */
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new_alloc = nalloc + nalloc / 2;
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}
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p = realloc(array->elts, array->size * new_alloc);
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if (nxt_slow_path(p == NULL)) {
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return NULL;
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}
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array->elts = p;
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array->nalloc = new_alloc;
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}
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p = nxt_pointer_to(array->elts, array->size * array->nelts);
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array->nelts++;
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return p;
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}
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