xref: /freebsd/usr.bin/sort/mem.c (revision 4e8d558c)
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 __FBSDID("$FreeBSD$");
32 
33 #include <err.h>
34 #include <stdlib.h>
35 #include <string.h>
36 
37 #include "mem.h"
38 
39 void*
40 sort_calloc(size_t nb, size_t size)
41 {
42 	void *ptr;
43 
44 	if ((ptr = calloc(nb, size)) == NULL)
45 		err(2, NULL);
46 	return (ptr);
47 }
48 
49 /*
50  * malloc() wrapper.
51  */
52 void *
53 sort_malloc(size_t size)
54 {
55 	void *ptr;
56 
57 	if ((ptr = malloc(size)) == NULL)
58 		err(2, NULL);
59 	return (ptr);
60 }
61 
62 /*
63  * free() wrapper.
64  */
65 void
66 sort_free(const void *ptr)
67 {
68 
69 	if (ptr)
70 		free(__DECONST(void *, ptr));
71 }
72 
73 /*
74  * realloc() wrapper.
75  */
76 void *
77 sort_realloc(void *ptr, size_t size)
78 {
79 
80 	if ((ptr = realloc(ptr, size)) == NULL)
81 		err(2, NULL);
82 	return (ptr);
83 }
84 
85 char *
86 sort_strdup(const char *str)
87 {
88 	char *dup;
89 
90 	if ((dup = strdup(str)) == NULL)
91 		err(2, NULL);
92 	return (dup);
93 }
94