1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (C) 2009 Gabor Kovesdan <gabor@FreeBSD.org>
5 * Copyright (C) 2012 Oleg Moskalenko <mom040267@gmail.com>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD$");
32
33#include <err.h>
34#include <stdlib.h>
35#include <string.h>
36
37#include "mem.h"
38
39/*
40 * malloc() wrapper.
41 */
42void *
43sort_malloc(size_t size)
44{
45	void *ptr;
46
47	if ((ptr = malloc(size)) == NULL)
48		err(2, NULL);
49	return (ptr);
50}
51
52/*
53 * free() wrapper.
54 */
55void
56sort_free(const void *ptr)
57{
58
59	if (ptr)
60		free(__DECONST(void *, ptr));
61}
62
63/*
64 * realloc() wrapper.
65 */
66void *
67sort_realloc(void *ptr, size_t size)
68{
69
70	if ((ptr = realloc(ptr, size)) == NULL)
71		err(2, NULL);
72	return (ptr);
73}
74
75char *
76sort_strdup(const char *str)
77{
78	char *dup;
79
80	if ((dup = strdup(str)) == NULL)
81		err(2, NULL);
82	return (dup);
83}
84