1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright 1996-1998 John D. Polstra.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <sys/param.h>
29#include <stddef.h>
30#include <stdlib.h>
31#include <string.h>
32#include <unistd.h>
33#include "rtld.h"
34#include "rtld_printf.h"
35#include "rtld_malloc.h"
36#include "rtld_libc.h"
37
38void *
39xcalloc(size_t number, size_t size)
40{
41	void *p;
42
43	p = __crt_calloc(number, size);
44	if (p == NULL) {
45		rtld_fdputstr(STDERR_FILENO, "Out of memory\n");
46		_exit(1);
47	}
48	return (p);
49}
50
51void *
52xmalloc(size_t size)
53{
54
55	void *p;
56
57	p = __crt_malloc(size);
58	if (p == NULL) {
59		rtld_fdputstr(STDERR_FILENO, "Out of memory\n");
60		_exit(1);
61	}
62	return (p);
63}
64
65char *
66xstrdup(const char *str)
67{
68	char *copy;
69	size_t len;
70
71	len = strlen(str) + 1;
72	copy = xmalloc(len);
73	memcpy(copy, str, len);
74	return (copy);
75}
76
77void *
78xmalloc_aligned(size_t size, size_t align, size_t offset)
79{
80	void *res;
81
82	offset &= align - 1;
83	if (align < sizeof(void *))
84		align = sizeof(void *);
85
86	res = __crt_aligned_alloc_offset(align, size, offset);
87	if (res == NULL) {
88		rtld_fdputstr(STDERR_FILENO, "Out of memory\n");
89		_exit(1);
90	}
91	return (res);
92}
93