xref: /netbsd-src/lib/libc/compat/sys/compat_stat.c (revision 8b0f9554ff8762542c4defc4f70e1eb76fb508fa)
1 /*	$NetBSD: compat_stat.c,v 1.1 2005/09/13 01:44:09 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_stat.c,v 1.1 2005/09/13 01:44:09 christos Exp $");
37 #endif /* LIBC_SCCS and not lint */
38 
39 #define __LIBC12_SOURCE__
40 
41 #include <sys/types.h>
42 #include <sys/stat.h>
43 #include <compat/sys/stat.h>
44 
45 __warn_references(stat,
46     "warning: reference to compatibility stat(); include <sys/stat.h> to generate correct reference")
47 
48 __warn_references(fstat,
49     "warning: reference to compatibility fstat(); include <sys/stat.h> to generate correct reference")
50 
51 __warn_references(lstat,
52     "warning: reference to compatibility lstat(); include <sys/stat.h> to generate correct reference")
53 
54 /*
55  * Convert from a new to an old stat structure.
56  */
57 
58 static void cvtstat __P((struct stat *, struct stat12 *));
59 
60 static void
61 cvtstat(st, ost)
62 	struct stat *st;
63 	struct stat12 *ost;
64 {
65 
66 	ost->st_dev = st->st_dev;
67 	ost->st_ino = (u_int32_t)st->st_ino;
68 	ost->st_mode = st->st_mode;
69 	if (st->st_nlink >= (1 << 15))
70 		ost->st_nlink = (1 << 15) - 1;
71 	else
72 		ost->st_nlink = st->st_nlink;
73 	ost->st_uid = st->st_uid;
74 	ost->st_gid = st->st_gid;
75 	ost->st_rdev = st->st_rdev;
76 	ost->st_atimespec = st->st_atimespec;
77 	ost->st_mtimespec = st->st_mtimespec;
78 	ost->st_ctimespec = st->st_ctimespec;
79 	ost->st_size = st->st_size;
80 	ost->st_blocks = st->st_blocks;
81 	ost->st_blksize = st->st_blksize;
82 	ost->st_flags = st->st_flags;
83 	ost->st_gen = st->st_gen;
84 }
85 
86 int
87 stat(file, ost)
88 	const char *file;
89 	struct stat12 *ost;
90 {
91 	struct stat nst;
92 	int ret;
93 
94 	if ((ret = __stat30(file, &nst)) < 0)
95 		return ret;
96 	cvtstat(&nst, ost);
97 	return ret;
98 }
99 
100 int
101 fstat(f, ost)
102 	int f;
103 	struct stat12 *ost;
104 {
105 	struct stat nst;
106 	int ret;
107 
108 	if ((ret = __fstat30(f, &nst)) < 0)
109 		return ret;
110 	cvtstat(&nst, ost);
111 	return ret;
112 }
113 
114 int
115 lstat(file, ost)
116 	const char *file;
117 	struct stat12 *ost;
118 {
119 	struct stat nst;
120 	int ret;
121 
122 	if ((ret = __lstat30(file, &nst)) < 0)
123 		return ret;
124 	cvtstat(&nst, ost);
125 	return ret;
126 }
127