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/*
 * 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 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

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

#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include "pos4.h"

#include <stdio.h>

int
posix_fallocate(int fd, off_t offset, off_t len)
{
	struct flock lck;

	lck.l_whence = 0;
	lck.l_start = offset;
	lck.l_len = len;
	lck.l_type = F_WRLCK;

	if (fcntl(fd, F_ALLOCSP, &lck) == -1) {
		return (-1);
	}

	return (0);
}

#if defined(_LARGEFILE64_SOURCE) && !defined(_LP64)

int
posix_fallocate64(int fd, off64_t offset, off64_t len)
{
	struct flock64 lck;

	lck.l_whence = 0;
	lck.l_start = offset;
	lck.l_len = len;
	lck.l_type = F_WRLCK;

	if (fcntl(fd, F_ALLOCSP64, &lck) == -1) {
		return (-1);
	}

	return (0);
}

#endif