xref: /src/libexec/ld.elf_so/xmalloc.c

/*	$NetBSD: xmalloc.c,v 1.6 2007/09/27 17:52:16 christos Exp $	 */

/*
 * Copyright 1996 John D. Polstra.
 * Copyright 1996 Matt Thomas <matt (at) 3am-software.com>
 * 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by John Polstra.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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: xmalloc.c,v 1.6 2007/09/27 17:52:16 christos Exp $");
#endif /* not lint */

#include "rtldenv.h"
#include <stddef.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>

void *
xcalloc(size_t size)
{

	return memset(xmalloc(size), 0, size);
}

void *
xmalloc(size_t size)
{
	void *p = malloc(size);

	if (p == NULL)
		xerr(1, "%s", xstrerror(errno));
	return p;
}

void *
xrealloc(void *p, size_t size)
{
	p = realloc(p, size);

	if (p == NULL)
		xerr(1, "%s", xstrerror(errno));
	return p;
}

char*
xstrdup(const char *s)
{
	char *p = strdup(s);

	if (p == NULL)
		xerr(1, "%s", xstrerror(errno));
	return p;
}