1 /* $NetBSD: make_malloc.c,v 1.26 2022/01/07 08:30:04 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
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.
33 MAKE_RCSID("$NetBSD: make_malloc.c,v 1.26 2022/01/07 08:30:04 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 size
= strlen(str
) + 1;
64 p
= bmake_malloc(size
);
65 return memcpy(p
, str
, size
);
68 /* Allocate a string starting from str with exactly len characters. */
70 bmake_strldup(const char *str
, size_t len
)
72 char *p
= bmake_malloc(len
+ 1);
78 /* realloc, but die on error. */
80 bmake_realloc(void *ptr
, size_t size
)
82 if ((ptr
= realloc(ptr
, size
)) == NULL
)
88 /* Allocate a string from start up to but excluding end. */
90 bmake_strsedup(const char *start
, const char *end
)
92 return bmake_strldup(start
, (size_t)(end
- start
));