1 // SPDX-License-Identifier: CDDL-1.0
2 /*
3 * CDDL HEADER START
4 *
5 * The contents of this file are subject to the terms of the
6 * Common Development and Distribution License, Version 1.0 only
7 * (the "License"). You may not use this file except in compliance
8 * with the License.
9 *
10 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
11 * or https://opensource.org/licenses/CDDL-1.0.
12 * See the License for the specific language governing permissions
13 * and limitations under the License.
14 *
15 * When distributing Covered Code, include this CDDL HEADER in each
16 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
17 * If applicable, add the following below this CDDL HEADER, with the
18 * fields enclosed by brackets "[]" replaced with your own identifying
19 * information: Portions Copyright [yyyy] [name of copyright owner]
20 *
21 * CDDL HEADER END
22 */
23 /*
24 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
25 */
26
27 #ifndef _LIBSPL_SYS_STAT_H
28 #define _LIBSPL_SYS_STAT_H
29
30 #include_next <sys/stat.h>
31
32 #include <sys/mount.h> /* for BLKGETSIZE64 */
33
34 /*
35 * Emulate Solaris' behavior of returning the block device size in fstat64().
36 */
37 static inline int
fstat64_blk(int fd,struct stat64 * st)38 fstat64_blk(int fd, struct stat64 *st)
39 {
40 if (fstat64(fd, st) == -1)
41 return (-1);
42
43 /* In Linux we need to use an ioctl to get the size of a block device */
44 if (S_ISBLK(st->st_mode)) {
45 if (ioctl(fd, BLKGETSIZE64, &st->st_size) != 0)
46 return (-1);
47 }
48
49 return (0);
50 }
51 #endif /* _LIBSPL_SYS_STAT_H */
52