GC !__DragonFly__ section.
[dragonfly.git] / sbin / rcorder / ealloc.c
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1/*
2 * Copyright (c) 1988, 1989, 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 * Copyright (c) 1989 by Berkeley Softworks
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Adam de Boor.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * $NetBSD: ealloc.c,v 1.1.1.1 1999/11/19 04:30:56 mrg Exp $
9a76cd75 39 * $DragonFly: src/sbin/rcorder/ealloc.c,v 1.3 2003/11/01 17:16:01 drhodus Exp $
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40 */
41
42#include <sys/cdefs.h>
43#ifndef lint
44__RCSID("$NetBSD: ealloc.c,v 1.1.1.1 1999/11/19 04:30:56 mrg Exp $");
45#endif /* not lint */
46
47#include <stdio.h>
48#include <stdlib.h>
49#include <string.h>
50#include <err.h>
51
52#include "ealloc.h"
53
9a76cd75 54static void enomem(void);
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55
56/*
57 * enomem --
58 * die when out of memory.
59 */
60static void
b5744197 61enomem(void)
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62{
63 errx(2, "Cannot allocate memory.");
64}
65
66/*
67 * emalloc --
68 * malloc, but die on error.
69 */
70void *
b5744197 71emalloc(size_t len)
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72{
73 void *p;
74
75 if ((p = malloc(len)) == NULL)
76 enomem();
77 return(p);
78}
79
80/*
81 * estrdup --
82 * strdup, but die on error.
83 */
84char *
b5744197 85estrdup(const char *str)
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86{
87 char *p;
88
89 if ((p = strdup(str)) == NULL)
90 enomem();
91 return(p);
92}
93
94/*
95 * erealloc --
96 * realloc, but die on error.
97 */
98void *
b5744197 99erealloc(void *ptr, size_t size)
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100{
101 if ((ptr = realloc(ptr, size)) == NULL)
102 enomem();
103 return(ptr);
104}
105
106/*
107 * ecalloc --
108 * calloc, but die on error.
109 */
110void *
b5744197 111ecalloc(size_t nmemb, size_t size)
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112{
113 void *ptr;
114
115 if ((ptr = calloc(nmemb, size)) == NULL)
116 enomem();
117 return(ptr);
118}