120 lines
3.0 KiB
C
120 lines
3.0 KiB
C
/* $NetBSD: ealloc.c,v 1.2 2002/06/30 14:17:44 lukem Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1988, 1989, 1990, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
* Copyright (c) 1989 by Berkeley Softworks
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Adam de Boor.
|
|
*
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <sys/cdefs.h>
|
|
#ifndef lint
|
|
__RCSID("$NetBSD: ealloc.c,v 1.2 2002/06/30 14:17:44 lukem Exp $");
|
|
#endif /* not lint */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <err.h>
|
|
|
|
#include "ealloc.h"
|
|
|
|
static void enomem(void);
|
|
|
|
/*
|
|
* enomem --
|
|
* die when out of memory.
|
|
*/
|
|
static void
|
|
enomem(void)
|
|
{
|
|
|
|
errx(2, "Cannot allocate memory.");
|
|
}
|
|
|
|
/*
|
|
* emalloc --
|
|
* malloc, but die on error.
|
|
*/
|
|
void *
|
|
emalloc(size_t len)
|
|
{
|
|
void *p;
|
|
|
|
if ((p = malloc(len)) == NULL)
|
|
enomem();
|
|
return(p);
|
|
}
|
|
|
|
/*
|
|
* estrdup --
|
|
* strdup, but die on error.
|
|
*/
|
|
char *
|
|
estrdup(const char *str)
|
|
{
|
|
char *p;
|
|
|
|
if ((p = strdup(str)) == NULL)
|
|
enomem();
|
|
return(p);
|
|
}
|
|
|
|
/*
|
|
* erealloc --
|
|
* realloc, but die on error.
|
|
*/
|
|
void *
|
|
erealloc(void *ptr, size_t size)
|
|
{
|
|
|
|
if ((ptr = realloc(ptr, size)) == NULL)
|
|
enomem();
|
|
return(ptr);
|
|
}
|
|
|
|
/*
|
|
* ecalloc --
|
|
* calloc, but die on error.
|
|
*/
|
|
void *
|
|
ecalloc(size_t nmemb, size_t size)
|
|
{
|
|
void *ptr;
|
|
|
|
if ((ptr = calloc(nmemb, size)) == NULL)
|
|
enomem();
|
|
return(ptr);
|
|
}
|