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
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
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