zfs-builds-mm/zfs-2.0.0-rc5/lib/libspl/include/os/freebsd/sys/stat.h
2020-11-03 21:32:00 +01:00

74 lines
1.9 KiB
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) 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _LIBSPL_SYS_STAT_H
#define _LIBSPL_SYS_STAT_H
#include_next <sys/stat.h>
/* Note: this file can be used on linux/macOS when bootstrapping tools. */
#if defined(__FreeBSD__)
#include <sys/mount.h> /* for BLKGETSIZE64 */
#define stat64 stat
#define MAXOFFSET_T OFF_MAX
#ifndef _KERNEL
#include <sys/disk.h>
static __inline int
fstat64(int fd, struct stat *sb)
{
int ret;
ret = fstat(fd, sb);
if (ret == 0) {
if (S_ISCHR(sb->st_mode))
(void) ioctl(fd, DIOCGMEDIASIZE, &sb->st_size);
}
return (ret);
}
#endif
/*
* Emulate Solaris' behavior of returning the block device size in fstat64().
*/
static inline int
fstat64_blk(int fd, struct stat64 *st)
{
if (fstat64(fd, st) == -1)
return (-1);
/* In Linux we need to use an ioctl to get the size of a block device */
if (S_ISBLK(st->st_mode)) {
if (ioctl(fd, BLKGETSIZE64, &st->st_size) != 0)
return (-1);
}
return (0);
}
#endif /* defined(__FreeBSD__) */
#endif /* _LIBSPL_SYS_STAT_H */