2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright 1996-1998 John D. Polstra.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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.
30 #include <sys/param.h>
36 #include "rtld_printf.h"
37 #include "rtld_malloc.h"
38 #include "rtld_libc.h"
41 xcalloc(size_t number, size_t size)
45 p = __crt_calloc(number, size);
47 rtld_fdputstr(STDERR_FILENO, "Out of memory\n");
59 p = __crt_malloc(size);
61 rtld_fdputstr(STDERR_FILENO, "Out of memory\n");
68 xstrdup(const char *str)
73 len = strlen(str) + 1;
75 memcpy(copy, str, len);
80 malloc_aligned(size_t size, size_t align, size_t offset)
86 if (align < sizeof(void *))
87 align = sizeof(void *);
89 mem = xmalloc(size + 3 * align + offset);
90 x = roundup((uintptr_t)mem + sizeof(void *), align);
94 memcpy((void *)x, &mem, sizeof(mem));
99 free_aligned(void *ptr)
108 memcpy(&mem, (void *)x, sizeof(mem));