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zero-epwing/util.c

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/*
* Copyright (C) 2016 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "util.h"
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void array_init(Array* arr, size_t size) {
arr->ptr = calloc(size, sizeof(void*));
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arr->used = 0;
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arr->size = size;
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}
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void array_push(Array* arr, void* data) {
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if (arr->used == arr->size) {
arr->size *= 2;
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arr->ptr = realloc(arr->ptr, arr->size * sizeof(void*));
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}
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arr->ptr[arr->used++] = data;
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}
void array_free(Array* arr) {
free(arr->ptr);
arr->ptr = NULL;
arr->used = arr->size = 0;
}