1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (C) 2009 Gabor Kovesdan <[email protected]>
5 * Copyright (C) 2012 Oleg Moskalenko <[email protected]>
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 */
42 void *
sort_malloc(size_t size)43 sort_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 */
55 void
sort_free(const void * ptr)56 sort_free(const void *ptr)
57 {
58
59 if (ptr)
60 free(__DECONST(void *, ptr));
61 }
62
63 /*
64 * realloc() wrapper.
65 */
66 void *
sort_realloc(void * ptr,size_t size)67 sort_realloc(void *ptr, size_t size)
68 {
69
70 if ((ptr = realloc(ptr, size)) == NULL)
71 err(2, NULL);
72 return (ptr);
73 }
74
75 char *
sort_strdup(const char * str)76 sort_strdup(const char *str)
77 {
78 char *dup;
79
80 if ((dup = strdup(str)) == NULL)
81 err(2, NULL);
82 return (dup);
83 }
84