/*
 * Copyright © 2004 Red Hat, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without
 * fee, provided that the above copyright notice appear in all copies
 * and that both that copyright notice and this permission notice
 * appear in supporting documentation, and that the name of
 * Red Hat, Inc. not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior
 * permission. Red Hat, Inc. makes no representations about the
 * suitability of this software for any purpose.  It is provided "as
 * is" without express or implied warranty.
 *
 * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Author: Carl D. Worth <cworth@cworth.org>
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>

#include "util.h"

void *
xmalloc (size_t size)
{
    void *buf;

    buf = malloc (size);
    if (!buf) {
	fprintf (stderr, "Error: Out of memory. Exiting.\n");
	exit (1);
    }

    return buf;
}

void *
xcalloc (size_t nmemb, size_t size)
{
    void *buf;

    buf = calloc (nmemb, size);
    if (!buf) {
	fprintf (stderr, "Error: Out of memory. Exiting\n");
	exit (1);
    }

    return buf;
}

void
xunlink (const char *pathname)
{
    if (unlink (pathname) < 0 && errno != ENOENT) {
	fprintf (stderr, "  Error: Cannot remove %s: %s\n",
		 pathname, strerror (errno));
	exit (1);
    }
}