1/*	$NetBSD: mem.c,v 1.4 2003/10/16 06:35:26 itojun Exp $	*/
2
3/*
4 * Copyright (c) 1994, 1995 Jochen Pohl
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 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *      This product includes software developed by Jochen Pohl for
18 *	The NetBSD Project.
19 * 4. The name of the author may not be used to endorse or promote products
20 *    derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35#if defined(__RCSID) && !defined(lint)
36__RCSID("$NetBSD: mem.c,v 1.4 2003/10/16 06:35:26 itojun Exp $");
37#endif
38__FBSDID("$FreeBSD$");
39
40#include <stdlib.h>
41#include <string.h>
42
43#include "lint.h"
44
45void *
46xmalloc(size_t s)
47{
48	void	*p;
49
50	if ((p = malloc(s)) == NULL)
51		nomem();
52	return (p);
53}
54
55void *
56xcalloc(size_t n, size_t s)
57{
58	void	*p;
59
60	if ((p = calloc(n, s)) == NULL)
61		nomem();
62	return (p);
63}
64
65void *
66xrealloc(void *p, size_t s)
67{
68	void *n;
69
70	if ((n = realloc(p, s)) == NULL) {
71		free(p);
72		nomem();
73	}
74	p = n;
75	return (p);
76}
77
78char *
79xstrdup(const char *s)
80{
81	char	*s2;
82
83	if ((s2 = strdup(s)) == NULL)
84		nomem();
85	return (s2);
86}
87
88void
89nomem(void)
90{
91
92	errx(1, "virtual memory exhausted");
93}
94