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#include <sys/types.h>
34#include <stdio.h>
35#include <stdlib.h>
36#include <string.h>
37#include <strings.h>
38#include "memory.h"
39
40static void
41memory_bailout(void)
42{
43	(void) fprintf(stderr, "Out of memory\n");
44	exit(1);
45}
46
47void *
48xmalloc(size_t size)
49{
50	void *mem;
51
52	if ((mem = malloc(size)) == NULL)
53		memory_bailout();
54
55	return (mem);
56}
57
58void *
59xcalloc(size_t size)
60{
61	void *mem;
62
63	mem = xmalloc(size);
64	bzero(mem, size);
65
66	return (mem);
67}
68
69char *
70xstrdup(const char *str)
71{
72	char *newstr;
73
74	if ((newstr = strdup(str)) == NULL)
75		memory_bailout();
76
77	return (newstr);
78}
79
80char *
81xstrndup(char *str, size_t len)
82{
83	char *newstr;
84
85	if ((newstr = malloc(len + 1)) == NULL)
86		memory_bailout();
87
88	(void) strncpy(newstr, str, len);
89	newstr[len] = '\0';
90
91	return (newstr);
92}
93
94void *
95xrealloc(void *ptr, size_t size)
96{
97	void *mem;
98
99	if ((mem = realloc(ptr, size)) == NULL)
100		memory_bailout();
101
102	return (mem);
103}
104