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
38 void *
xcalloc(size_t number,size_t size)39 xcalloc(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
51 void *
xmalloc(size_t size)52 xmalloc(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
65 char *
xstrdup(const char * str)66 xstrdup(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
77 void *
xmalloc_aligned(size_t size,size_t align,size_t offset)78 xmalloc_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