1 /*
2 * Copyright (c) 1995 - 2002 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #include <xfs/xfs_locl.h>
35 #include <xfs/xfs_common.h>
36 #include <xfs/xfs_deb.h>
37
38 RCSID("$arla: xfs_common-bsd.c,v 1.25 2002/12/18 16:32:03 lha Exp $");
39
40 #ifdef MALLOC_DEFINE
41 MALLOC_DEFINE(M_NNPFS, "xfs-misc", "xfs misc");
42 MALLOC_DEFINE(M_NNPFS_NODE, "xfs-node", "xfs node");
43 MALLOC_DEFINE(M_NNPFS_LINK, "xfs-link", "xfs link");
44 MALLOC_DEFINE(M_NNPFS_MSG, "xfs-msg", "xfs msg");
45 #endif
46
47 #ifdef NNPFS_DEBUG
48 static u_int xfs_allocs;
49 static u_int xfs_frees;
50
51 void *
52 xfs_alloc(u_int size, xfs_malloc_type type)
53 {
54 void *ret;
55
56 xfs_allocs++;
57 NNPFSDEB(XDEBMEM, ("xfs_alloc: xfs_allocs - xfs_frees %d\n",
58 xfs_allocs - xfs_frees));
59
60 MALLOC(ret, void *, size, type, M_WAITOK);
61 return ret;
62 }
63
64 void
65 xfs_free(void *ptr, u_int size, xfs_malloc_type type)
66 {
67 xfs_frees++;
68 FREE(ptr, type);
69 }
70
71 #endif /* NNPFS_DEBUG */
72
73 int
74 xfs_suser(d_thread_t *p)
75 {
76 #if defined(HAVE_TWO_ARGUMENT_SUSER)
77 #ifdef __OpenBSD__
78 return suser (p, SUSER_NOACCT);
79 #else
80 return suser (xfs_proc_to_cred(p), NULL);
81 #endif
82 #else
83 return suser (p);
84 #endif
85 }
86
87 /*
88 * Print a `dev_t' in some readable format
89 */
90
91 #ifdef HAVE_KERNEL_DEVTONAME
92
93 const char *
94 xfs_devtoname_r (dev_t dev, char *buf, size_t sz)
95 {
96 return devtoname (dev);
97 }
98
99 #else /* !HAVE_KERNEL_DEVTONAME */
100
101 const char *
102 xfs_devtoname_r (dev_t dev, char *buf, size_t sz)
103 {
104 #ifdef HAVE_KERNEL_SNPRINTF
105 snprintf (buf, sz, "%u/%u", major(dev), minor(dev));
106 return buf;
107 #else
108 return "<unknown device>";
109 #endif
110 }
111
112 #endif /* HAVE_KERNEL_DEVTONAME */