/*

 * This file is part of libbluray

 * Copyright (C) 2014  Petri Hintukainen <phintuka@users.sourceforge.net>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library. If not, see

 * <http://www.gnu.org/licenses/>.

 */

#if HAVE_CONFIG_H

#include "config.h"

#endif

#include "array.h"

#include "macro.h"

#include <stdlib.h>

void *array_alloc(size_t n, size_t sz)

{

    size_t size = sizeof(void *) + sz;

    if (size < sz) {

        return NULL;

    }

    unsigned char *p = (unsigned char *)calloc(n, size);

    if (!p) {

        return NULL;

    }

    void **array = (void **)p;

    p += n * sizeof(void *);

    size_t i;

    for (i = 0; i < n; i++, p += sz) {

        array[i] = p;

    }

    return array;

}

void array_free(void **p)

{

    if (p && *p) {

        X_FREE(*p);

    }

}