xref: /freebsd/usr.bin/sort/mem.c (revision 2e3f49888ec8851bafb22011533217487764fdb0)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 #include <err.h>
32 #include <stdlib.h>
33 #include <string.h>
34 
35 #include "mem.h"
36 
37 void*
38 sort_calloc(size_t nb, size_t size)
39 {
40 	void *ptr;
41 
42 	if ((ptr = calloc(nb, size)) == NULL)
43 		err(2, NULL);
44 	return (ptr);
45 }
46 
47 /*
48  * malloc() wrapper.
49  */
50 void *
51 sort_malloc(size_t size)
52 {
53 	void *ptr;
54 
55 	if ((ptr = malloc(size)) == NULL)
56 		err(2, NULL);
57 	return (ptr);
58 }
59 
60 /*
61  * free() wrapper.
62  */
63 void
64 sort_free(const void *ptr)
65 {
66 
67 	if (ptr)
68 		free(__DECONST(void *, ptr));
69 }
70 
71 /*
72  * realloc() wrapper.
73  */
74 void *
75 sort_realloc(void *ptr, size_t size)
76 {
77 
78 	if ((ptr = realloc(ptr, size)) == NULL)
79 		err(2, NULL);
80 	return (ptr);
81 }
82 
83 char *
84 sort_strdup(const char *str)
85 {
86 	char *dup;
87 
88 	if ((dup = strdup(str)) == NULL)
89 		err(2, NULL);
90 	return (dup);
91 }
92