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Commit	Line	Data
	1	/*
	2	* Copyright (c) 1988, 1989, 1990, 1993
	3	* The Regents of the University of California. All rights reserved.
	4	* Copyright (c) 1989 by Berkeley Softworks
	5	* All rights reserved.
	6	*
	7	* This code is derived from software contributed to Berkeley by
	8	* Adam de Boor.
	9	*
	10	* Redistribution and use in source and binary forms, with or without
	11	* modification, are permitted provided that the following conditions
	12	* are met:
	13	* 1. Redistributions of source code must retain the above copyright
	14	* notice, this list of conditions and the following disclaimer.
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in the
	17	* documentation and/or other materials provided with the distribution.
	18	* 3. All advertising materials mentioning features or use of this software
	19	* must display the following acknowledgement:
	20	* This product includes software developed by the University of
	21	* California, Berkeley and its contributors.
	22	* 4. Neither the name of the University nor the names of its contributors
	23	* may be used to endorse or promote products derived from this software
	24	* without specific prior written permission.
	25	*
	26	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	27	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	28	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	29	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	30	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	31	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	32	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	33	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	34	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	35	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	36	* SUCH DAMAGE.
	37	*
	38	* $NetBSD: ealloc.c,v 1.1.1.1 1999/11/19 04:30:56 mrg Exp $
	39	* $DragonFly: src/sbin/rcorder/ealloc.c,v 1.3 2003/11/01 17:16:01 drhodus Exp $
	40	*/
	41
	42	#include <sys/cdefs.h>
	43	#ifndef lint
	44	__RCSID("$NetBSD: ealloc.c,v 1.1.1.1 1999/11/19 04:30:56 mrg Exp $");
	45	#endif /* not lint */
	46
	47	#include <stdio.h>
	48	#include <stdlib.h>
	49	#include <string.h>
	50	#include <err.h>
	51
	52	#include "ealloc.h"
	53
	54	static void enomem(void);
	55
	56	/*
	57	* enomem --
	58	* die when out of memory.
	59	*/
	60	static void
	61	enomem(void)
	62	{
	63	errx(2, "Cannot allocate memory.");
	64	}
	65
	66	/*
	67	* emalloc --
	68	* malloc, but die on error.
	69	*/
	70	void *
	71	emalloc(size_t len)
	72	{
	73	void *p;
	74
	75	if ((p = malloc(len)) == NULL)
	76	enomem();
	77	return(p);
	78	}
	79
	80	/*
	81	* estrdup --
	82	* strdup, but die on error.
	83	*/
	84	char *
	85	estrdup(const char *str)
	86	{
	87	char *p;
	88
	89	if ((p = strdup(str)) == NULL)
	90	enomem();
	91	return(p);
	92	}
	93
	94	/*
	95	* erealloc --
	96	* realloc, but die on error.
	97	*/
	98	void *
	99	erealloc(void *ptr, size_t size)
	100	{
	101	if ((ptr = realloc(ptr, size)) == NULL)
	102	enomem();
	103	return(ptr);
	104	}
	105
	106	/*
	107	* ecalloc --
	108	* calloc, but die on error.
	109	*/
	110	void *
	111	ecalloc(size_t nmemb, size_t size)
	112	{
	113	void *ptr;
	114
	115	if ((ptr = calloc(nmemb, size)) == NULL)
	116	enomem();
	117	return(ptr);
	118	}