1/* $NetBSD: make_malloc.c,v 1.7 2012/05/18 02:28:16 sjg Exp $ */
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| 1/* $NetBSD: make_malloc.c,v 1.10 2012/06/20 17:46:28 sjg Exp $ */ |
2
3/*-
4 * Copyright (c) 2009 The NetBSD Foundation, Inc.
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifdef MAKE_NATIVE
30#include <sys/cdefs.h>
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31__RCSID("$NetBSD: make_malloc.c,v 1.7 2012/05/18 02:28:16 sjg Exp $");
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| 31__RCSID("$NetBSD: make_malloc.c,v 1.10 2012/06/20 17:46:28 sjg Exp $"); |
32#endif
33
34#include <stdio.h>
35#include <stdlib.h>
36#include <string.h>
37#include <errno.h>
38
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39#include "make_malloc.h"
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| 39#include "make.h" |
40
41#ifndef USE_EMALLOC
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42static void enomem(void) MAKE_ATTR_DEAD;
43 |
44/*
45 * enomem --
46 * die when out of memory.
47 */
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46extern char *progname;
47
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48static void
49enomem(void)
50{
51 (void)fprintf(stderr, "%s: %s.\n", progname, strerror(ENOMEM));
52 exit(2);
53}
54
55/*
56 * bmake_malloc --
57 * malloc, but die on error.
58 */
59void *
60bmake_malloc(size_t len)
61{
62 void *p;
63
64 if ((p = malloc(len)) == NULL)
65 enomem();
66 return(p);
67}
68
69/*
70 * bmake_strdup --
71 * strdup, but die on error.
72 */
73char *
74bmake_strdup(const char *str)
75{
76 size_t len;
77 char *p;
78
79 len = strlen(str) + 1;
80 if ((p = malloc(len)) == NULL)
81 enomem();
82 return memcpy(p, str, len);
83}
84
85/*
86 * bmake_strndup --
87 * strndup, but die on error.
88 */
89char *
90bmake_strndup(const char *str, size_t max_len)
91{
92 size_t len;
93 char *p;
94
95 if (str == NULL)
96 return NULL;
97
98 len = strlen(str);
99 if (len > max_len)
100 len = max_len;
101 p = bmake_malloc(len + 1);
102 memcpy(p, str, len);
103 p[len] = '\0';
104
105 return(p);
106}
107
108/*
109 * bmake_realloc --
110 * realloc, but die on error.
111 */
112void *
113bmake_realloc(void *ptr, size_t size)
114{
115 if ((ptr = realloc(ptr, size)) == NULL)
116 enomem();
117 return(ptr);
118}
119#endif
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