1/*	$NetBSD: compat___stat30.c,v 1.3 2013/10/04 20:49:16 christos Exp $	*/
2
3/*
4 * Copyright (c) 1997 Frank van der Linden
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *      This product includes software developed for the NetBSD Project
18 *      by Frank van der Linden
19 * 4. The name of the author may not be used to endorse or promote products
20 *    derived from this software without specific prior written permission
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35#if defined(LIBC_SCCS) && !defined(lint)
36__RCSID("$NetBSD: compat___stat30.c,v 1.3 2013/10/04 20:49:16 christos Exp $");
37#endif /* LIBC_SCCS and not lint */
38
39#define __LIBC12_SOURCE__
40
41#include <sys/types.h>
42#include <sys/param.h>
43#include <sys/stat.h>
44#include <sys/mount.h>
45#include <compat/sys/time.h>
46#include <compat/sys/stat.h>
47#include <compat/sys/mount.h>
48
49__warn_references(__stat30,
50    "warning: reference to compatibility __stat30(); include <sys/stat.h> to generate correct reference")
51
52__warn_references(__fstat30,
53    "warning: reference to compatibility __fstat30(); include <sys/stat.h> to generate correct reference")
54
55__warn_references(__lstat30,
56    "warning: reference to compatibility __lstat30(); include <sys/stat.h> to generate correct reference")
57
58__warn_references(__fhstat40,
59    "warning: reference to compatibility __fhstat40(); include <sys/mount.h> to generate correct reference")
60
61
62__strong_alias(__stat30, __compat___stat30)
63__strong_alias(__fstat30, __compat___fstat30)
64__strong_alias(__lstat30, __compat___lstat30)
65__strong_alias(__fhstat40, __compat___fhstat40)
66
67/*
68 * Convert from a new to an old stat structure.
69 */
70
71static void cvtstat(struct stat30 *, const struct stat *);
72
73static void
74cvtstat(struct stat30 *ost, const struct stat *st)
75{
76
77	ost->st_dev = (uint32_t)st->st_dev;
78	ost->st_ino = st->st_ino;
79	ost->st_mode = st->st_mode;
80	ost->st_nlink = st->st_nlink;
81	ost->st_uid = st->st_uid;
82	ost->st_gid = st->st_gid;
83	ost->st_rdev = (uint32_t)st->st_rdev;
84	timespec_to_timespec50(&st->st_atimespec, &ost->st_atimespec);
85	timespec_to_timespec50(&st->st_mtimespec, &ost->st_mtimespec);
86	timespec_to_timespec50(&st->st_ctimespec, &ost->st_ctimespec);
87	timespec_to_timespec50(&st->st_birthtimespec, &ost->st_birthtimespec);
88	ost->st_size = st->st_size;
89	ost->st_blocks = st->st_blocks;
90	ost->st_blksize = st->st_blksize;
91	ost->st_flags = st->st_flags;
92	ost->st_gen = st->st_gen;
93}
94
95int
96__compat___stat30(const char *file, struct stat30 *ost)
97{
98	struct stat nst;
99	int ret;
100
101	if ((ret = __stat50(file, &nst)) == -1)
102		return ret;
103	cvtstat(ost, &nst);
104	return ret;
105}
106
107int
108__compat___fstat30(int f, struct stat30 *ost)
109{
110	struct stat nst;
111	int ret;
112
113	if ((ret = __fstat50(f, &nst)) == -1)
114		return ret;
115	cvtstat(ost, &nst);
116	return ret;
117}
118
119int
120__compat___lstat30(const char *file, struct stat30 *ost)
121{
122	struct stat nst;
123	int ret;
124
125	if ((ret = __lstat50(file, &nst)) == -1)
126		return ret;
127	cvtstat(ost, &nst);
128	return ret;
129}
130
131int
132__compat___fhstat40(const void *fh, size_t fh_size, struct stat30 *ost)
133{
134	struct stat nst;
135	int ret;
136
137	if ((ret = __fhstat50(fh, fh_size, &nst)) == -1)
138		return ret;
139	cvtstat(ost, &nst);
140	return ret;
141}
142