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/* $NetBSD: make_malloc.c,v 1.26 2022/01/07 08:30:04 rillig Exp $ */
/*
* Copyright (c) 2009 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <errno.h>
#include "make.h"
MAKE_RCSID("$NetBSD: make_malloc.c,v 1.26 2022/01/07 08:30:04 rillig Exp $");
#ifndef USE_EMALLOC
/* die when out of memory. */
static MAKE_ATTR_DEAD void
enomem(void)
{
(void)fprintf(stderr, "%s: %s.\n", progname, strerror(ENOMEM));
exit(2);
}
/* malloc, but die on error. */
void *
bmake_malloc(size_t len)
{
void *p;
if ((p = malloc(len)) == NULL)
enomem();
return p;
}
/* strdup, but die on error. */
char *
bmake_strdup(const char *str)
{
size_t size;
char *p;
size = strlen(str) + 1;
p = bmake_malloc(size);
return memcpy(p, str, size);
}
/* Allocate a string starting from str with exactly len characters. */
char *
bmake_strldup(const char *str, size_t len)
{
char *p = bmake_malloc(len + 1);
memcpy(p, str, len);
p[len] = '\0';
return p;
}
/* realloc, but die on error. */
void *
bmake_realloc(void *ptr, size_t size)
{
if ((ptr = realloc(ptr, size)) == NULL)
enomem();
return ptr;
}
#endif
/* Allocate a string from start up to but excluding end. */
char *
bmake_strsedup(const char *start, const char *end)
{
return bmake_strldup(start, (size_t)(end - start));
}
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