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/* $NetBSD: make_malloc.c,v 1.10 2012/06/20 17:46:28 sjg 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.
*/
#ifdef MAKE_NATIVE
#include <sys/cdefs.h>
__RCSID("$NetBSD: make_malloc.c,v 1.10 2012/06/20 17:46:28 sjg Exp $");
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "make.h"
#ifndef USE_EMALLOC
static void enomem(void) MAKE_ATTR_DEAD;
/*
* enomem --
* die when out of memory.
*/
static void
enomem(void)
{
(void)fprintf(stderr, "%s: %s.\n", progname, strerror(ENOMEM));
exit(2);
}
/*
* bmake_malloc --
* malloc, but die on error.
*/
void *
bmake_malloc(size_t len)
{
void *p;
if ((p = malloc(len)) == NULL)
enomem();
return(p);
}
/*
* bmake_strdup --
* strdup, but die on error.
*/
char *
bmake_strdup(const char *str)
{
size_t len;
char *p;
len = strlen(str) + 1;
if ((p = malloc(len)) == NULL)
enomem();
return memcpy(p, str, len);
}
/*
* bmake_strndup --
* strndup, but die on error.
*/
char *
bmake_strndup(const char *str, size_t max_len)
{
size_t len;
char *p;
if (str == NULL)
return NULL;
len = strlen(str);
if (len > max_len)
len = max_len;
p = bmake_malloc(len + 1);
memcpy(p, str, len);
p[len] = '\0';
return(p);
}
/*
* bmake_realloc --
* realloc, but die on error.
*/
void *
bmake_realloc(void *ptr, size_t size)
{
if ((ptr = realloc(ptr, size)) == NULL)
enomem();
return(ptr);
}
#endif
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