1 /* $NetBSD: compat_getfh.c,v 1.6 2008/04/28 20:22:59 martin Exp $ */
2
3 /*-
4 * Copyright (c) 2006 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Martin Husemann <martin@NetBSD.org>.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32
33 #include <sys/cdefs.h>
34 #if defined(LIBC_SCCS) && !defined(lint)
35 __RCSID("$NetBSD: compat_getfh.c,v 1.6 2008/04/28 20:22:59 martin Exp $");
36 #endif /* LIBC_SCCS and not lint */
37
38 #define __LIBC12_SOURCE__
39
40 #include <sys/types.h>
41 #include <sys/mount.h>
42 #include <compat/include/fstypes.h>
43
44 #include <errno.h>
45
46 __warn_references(getfh,
47 "warning: reference to compatibility getfh(); include <sys/mount.h> to generate correct reference")
48
49
50 int __getfh30(const char *, void*, size_t *);
51 int getfh(const char *path, struct compat_30_fhandle *fhp);
52
53 /*
54 * Convert old getfh() call to new calling convention
55 */
56 int
getfh(const char * path,struct compat_30_fhandle * fhp)57 getfh(const char *path, struct compat_30_fhandle *fhp)
58 {
59 size_t fh_size = sizeof(*fhp);
60 int ret;
61
62 ret = __getfh30(path, (void*)fhp, &fh_size);
63 if (ret != 0) {
64 return ret;
65 }
66 if (fh_size != FHANDLE30_SIZE) {
67 errno = EINVAL;
68 return -1;
69 }
70 return 0;
71 }
72