OpenSolaris_b135/cmd/backup/lib/memutils.c

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 1998 by Sun Microsystems, Inc.
 * All rights reserved.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <stdlib.h>
#include <errno.h>
#include <libintl.h>
#include <string.h>
#include "memutils.h"

extern void msg(const char *, ...);
extern void dumpabort(void);

void *
xmalloc(bytes)
	size_t bytes;
{
	void *cp;

	cp = malloc(bytes);
	if (cp == NULL) {
		int saverr = errno;
		msg(gettext("Cannot allocate memory: %s\n"), strerror(saverr));
		dumpabort();
	}
	return (cp);
}

void *
xcalloc(nelem, size)
	size_t nelem;
	size_t size;
{
	void *cp;

	cp = calloc(nelem, size);
	if (cp == NULL) {
		int saverr = errno;
		msg(gettext("Cannot allocate memory: %s\n"), strerror(saverr));
		dumpabort();
	}
	return (cp);
}

void *
xrealloc(allocated, newsize)
	void *allocated;
	size_t newsize;
{
	void *cp;

	/* LINTED realloc knows what to do with a NULL pointer */
	cp = realloc(allocated, newsize);
	if (cp == NULL) {
		int saverr = errno;
		msg(gettext("Cannot allocate memory: %s\n"), strerror(saverr));
		dumpabort();
	}
	return (cp);
}