xref: /netbsd-src/lib/libc/compat/sys/compat___stat13.c (revision b1c86f5f087524e68db12794ee9c3e3da1ab17a0)
1 /*	$NetBSD: compat___stat13.c,v 1.4 2009/01/11 02:46:26 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___stat13.c,v 1.4 2009/01/11 02:46:26 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(__stat13,
50     "warning: reference to compatibility __stat13(); include <sys/stat.h> to generate correct reference")
51 
52 __warn_references(__fstat13,
53     "warning: reference to compatibility __fstat13(); include <sys/stat.h> to generate correct reference")
54 
55 __warn_references(__lstat13,
56     "warning: reference to compatibility __lstat13(); include <sys/stat.h> to generate correct reference")
57 
58 __warn_references(fhstat,
59     "warning: reference to compatibility fhstat(); include <sys/mount.h> to generate correct reference")
60 
61 
62 /*
63  * Convert from a new to an old stat structure.
64  */
65 
66 static void cvtstat(struct stat13 *, const struct stat *);
67 
68 static void
69 cvtstat(struct stat13 *ost, const struct stat *st)
70 {
71 
72 	ost->st_dev = (uint32_t)st->st_dev;
73 	ost->st_ino = (uint32_t)st->st_ino;
74 	ost->st_mode = st->st_mode;
75 	ost->st_nlink = st->st_nlink;
76 	ost->st_uid = st->st_uid;
77 	ost->st_gid = st->st_gid;
78 	ost->st_rdev = (uint32_t)st->st_rdev;
79 	ost->st_atimespec.tv_sec = (int32_t)st->st_atimespec.tv_sec;
80 	ost->st_atimespec.tv_nsec = st->st_atimespec.tv_nsec;
81 	ost->st_mtimespec.tv_sec = (int32_t)st->st_mtimespec.tv_sec;
82 	ost->st_mtimespec.tv_nsec = st->st_mtimespec.tv_nsec;
83 	ost->st_ctimespec.tv_sec = (int32_t)st->st_ctimespec.tv_sec;
84 	ost->st_ctimespec.tv_nsec = st->st_ctimespec.tv_nsec;
85 	ost->st_birthtimespec.tv_sec = (int32_t)st->st_birthtimespec.tv_sec;
86 	ost->st_birthtimespec.tv_nsec = st->st_birthtimespec.tv_nsec;
87 	ost->st_size = st->st_size;
88 	ost->st_blocks = st->st_blocks;
89 	ost->st_blksize = st->st_blksize;
90 	ost->st_flags = st->st_flags;
91 	ost->st_gen = st->st_gen;
92 }
93 
94 int
95 __stat13(const char *file, struct stat13 *ost)
96 {
97 	struct stat nst;
98 	int ret;
99 
100 	if ((ret = __stat50(file, &nst)) == -1)
101 		return ret;
102 	cvtstat(ost, &nst);
103 	return ret;
104 }
105 
106 int
107 __fstat13(int f, struct stat13 *ost)
108 {
109 	struct stat nst;
110 	int ret;
111 
112 	if ((ret = __fstat50(f, &nst)) == -1)
113 		return ret;
114 	cvtstat(ost, &nst);
115 	return ret;
116 }
117 
118 int
119 __lstat13(const char *file, struct stat13 *ost)
120 {
121 	struct stat nst;
122 	int ret;
123 
124 	if ((ret = __lstat50(file, &nst)) == -1)
125 		return ret;
126 	cvtstat(ost, &nst);
127 	return ret;
128 }
129 
130 int
131 fhstat(const struct compat_30_fhandle *fh, struct stat13 *ost)
132 {
133 	struct stat nst;
134 	int ret;
135 
136 	if ((ret = __fhstat50((const void *)fh, /* FHANDLE_SIZE_COMPAT */28, &nst)) == -1)
137 		return ret;
138 	cvtstat(ost, &nst);
139 	return ret;
140 }
141