fallocate.c revision e8031f0a8ed0e45c6d8847c5e09424e66fd34a4b
/*
* 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 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "c_synonyms.h"
#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