1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
24 */
25
26 #ifndef _LIBSPL_SYS_STAT_H
27 #define _LIBSPL_SYS_STAT_H
28
29 #include_next <sys/stat.h>
30
31 /* Note: this file can be used on linux/macOS when bootstrapping tools. */
32 #if defined(__FreeBSD__)
33 #include <sys/mount.h> /* for BLKGETSIZE64 */
34
35 #define stat64 stat
36
37 #define MAXOFFSET_T OFF_MAX
38
39 #ifndef _KERNEL
40 #include <sys/disk.h>
41
42 static __inline int
fstat64(int fd,struct stat * sb)43 fstat64(int fd, struct stat *sb)
44 {
45 int ret;
46
47 ret = fstat(fd, sb);
48 if (ret == 0) {
49 if (S_ISCHR(sb->st_mode))
50 (void) ioctl(fd, DIOCGMEDIASIZE, &sb->st_size);
51 }
52 return (ret);
53 }
54 #endif
55
56 /*
57 * Emulate Solaris' behavior of returning the block device size in fstat64().
58 */
59 static inline int
fstat64_blk(int fd,struct stat64 * st)60 fstat64_blk(int fd, struct stat64 *st)
61 {
62 if (fstat64(fd, st) == -1)
63 return (-1);
64
65 /* In Linux we need to use an ioctl to get the size of a block device */
66 if (S_ISBLK(st->st_mode)) {
67 if (ioctl(fd, BLKGETSIZE64, &st->st_size) != 0)
68 return (-1);
69 }
70
71 return (0);
72 }
73 #endif /* defined(__FreeBSD__) */
74 #endif /* _LIBSPL_SYS_STAT_H */
75