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/usr.bin/xlint/common/mem.c

https://bitbucket.org/freebsd/freebsd-head/
C | 88 lines | 43 code | 14 blank | 31 comment | 9 complexity | ee3ed7bbfb6799db3cecd63b9f5c20df MD5 | raw file
 1/*	$NetBSD: mem.c,v 1.2 2002/01/21 19:49:51 tv 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 1.2 2002/01/21 19:49:51 tv Exp $");
37#endif
38
39#include <stdlib.h>
40#include <string.h>
41
42#include "lint.h"
43
44void *
45xmalloc(size_t s)
46{
47	void	*p;
48
49	if ((p = malloc(s)) == NULL)
50		nomem();
51	return (p);
52}
53
54void *
55xcalloc(size_t n, size_t s)
56{
57	void	*p;
58
59	if ((p = calloc(n, s)) == NULL)
60		nomem();
61	return (p);
62}
63
64void *
65xrealloc(void *p, size_t s)
66{
67
68	if ((p = realloc(p, s)) == NULL)
69		nomem();
70	return (p);
71}
72
73char *
74xstrdup(const char *s)
75{
76	char	*s2;
77
78	if ((s2 = strdup(s)) == NULL)
79		nomem();
80	return (s2);
81}
82
83void
84nomem(void)
85{
86
87	errx(1, "virtual memory exhausted");
88}