1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2001-2002 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29/*
30 * Routines for memory management
31 */
32
33#if HAVE_NBTOOL_CONFIG_H
34# include "nbtool_config.h"
35#endif
36
37#include <sys/types.h>
38#include <stdio.h>
39#include <stdlib.h>
40#include <string.h>
41#include <strings.h>
42#include "memory.h"
43
44static void __dead
45memory_bailout(void)
46{
47	(void) fprintf(stderr, "Out of memory\n");
48	exit(1);
49}
50
51void *
52xmalloc(size_t size)
53{
54	void *mem;
55
56	if ((mem = malloc(size)) == NULL)
57		memory_bailout();
58
59	return (mem);
60}
61
62void *
63xcalloc(size_t size)
64{
65	void *mem;
66
67	mem = xmalloc(size);
68	bzero(mem, size);
69
70	return (mem);
71}
72
73char *
74xstrdup(const char *str)
75{
76	char *newstr;
77
78	if ((newstr = strdup(str)) == NULL)
79		memory_bailout();
80
81	return (newstr);
82}
83
84char *
85xstrndup(char *str, size_t len)
86{
87	char *newstr;
88
89	if ((newstr = malloc(len + 1)) == NULL)
90		memory_bailout();
91
92	(void) strncpy(newstr, str, len);
93	newstr[len] = '\0';
94
95	return (newstr);
96}
97
98void *
99xrealloc(void *ptr, size_t size)
100{
101	void *mem;
102
103	if ((mem = realloc(ptr, size)) == NULL)
104		memory_bailout();
105
106	return (mem);
107}
108