1 /* $NetBSD: make_malloc.c,v 1.23 2020/10/05 19:27:47 rillig Exp $ */
4 * Copyright (c) 2009 The NetBSD Foundation, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
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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
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26 * POSSIBILITY OF SUCH DAMAGE.
33 MAKE_RCSID("$NetBSD: make_malloc.c,v 1.23 2020/10/05 19:27:47 rillig Exp $");
37 /* die when out of memory. */
38 static MAKE_ATTR_DEAD void
41 (void)fprintf(stderr, "%s: %s.\n", progname, strerror(ENOMEM));
45 /* malloc, but die on error. */
47 bmake_malloc(size_t len)
51 if ((p = malloc(len)) == NULL)
56 /* strdup, but die on error. */
58 bmake_strdup(const char *str)
63 len = strlen(str) + 1;
64 if ((p = malloc(len)) == NULL)
66 return memcpy(p, str, len);
69 /* Allocate a string starting from str with exactly len characters. */
71 bmake_strldup(const char *str, size_t len)
73 char *p = bmake_malloc(len + 1);
79 /* realloc, but die on error. */
81 bmake_realloc(void *ptr, size_t size)
83 if ((ptr = realloc(ptr, size)) == NULL)
89 /* Allocate a string from start up to but excluding end. */
91 bmake_strsedup(const char *start, const char *end)
93 return bmake_strldup(start, (size_t)(end - start));