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