xref: /minix3/lib/libc/compat/sys/compat___stat30.c (revision 84d9c625bfea59e274550651111ae9edfdc40fbd)
1 /*	$NetBSD: compat___stat30.c,v 1.4 2013/10/04 21:07:37 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 1.4 2013/10/04 21:07:37 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 
71 static void cvtstat(struct stat30 *, const struct stat *);
72 
73 static void
cvtstat(struct stat30 * ost,const struct stat * st)74 cvtstat(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 
95 int
__compat___stat30(const char * file,struct stat30 * ost)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 
107 int
__compat___fstat30(int f,struct stat30 * ost)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 
119 int
__compat___lstat30(const char * file,struct stat30 * ost)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 
131 int
__compat___fhstat40(const void * fh,size_t fh_size,struct stat30 * ost)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