1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* lsvfs - list loaded VFSes
* Garrett A. Wollman, September 1994
* This file is in the public domain.
*
* $Id: lsvfs.c,v 1.9 1997/07/23 06:48:01 charnier Exp $
*/
#define _NEW_VFSCONF
#include <sys/param.h>
#include <sys/mount.h>
#include <err.h>
#include <stdio.h>
#include <string.h>
#define FMT "%-32.32s %5d %5d %s\n"
#define HDRFMT "%-32.32s %5.5s %5.5s %s\n"
#define DASHES "-------------------------------- ----- ----- ---------------\n"
static const char *fmt_flags(int);
int
main(int argc, char **argv)
{
int rv = 0;
struct vfsconf vfc;
struct ovfsconf *ovfcp;
argc--, argv++;
setvfsent(1);
printf(HDRFMT, "Filesystem", "Index", "Refs", "Flags");
fputs(DASHES, stdout);
if(argc) {
for(; argc; argc--, argv++) {
if (getvfsbyname(*argv, &vfc) != 0) {
printf(FMT, vfc.vfc_name, vfc.vfc_typenum, vfc.vfc_refcount,
fmt_flags(vfc.vfc_flags));
} else {
warnx("VFS %s unknown or not loaded", *argv);
rv++;
}
}
} else {
while (ovfcp = getvfsent()) {
printf(FMT, ovfcp->vfc_name, ovfcp->vfc_index, ovfcp->vfc_refcount,
fmt_flags(ovfcp->vfc_flags));
}
}
endvfsent();
return rv;
}
static const char *
fmt_flags(int flags)
{
/*
* NB: if you add new flags, don't forget to add them here vvvvvv too.
*/
static char buf[sizeof
"static, network, read-only, synthetic, loopback, unicode"];
int comma = 0;
buf[0] = '\0';
if(flags & VFCF_STATIC) {
if(comma++) strcat(buf, ", ");
strcat(buf, "static");
}
if(flags & VFCF_NETWORK) {
if(comma++) strcat(buf, ", ");
strcat(buf, "network");
}
if(flags & VFCF_READONLY) {
if(comma++) strcat(buf, ", ");
strcat(buf, "read-only");
}
if(flags & VFCF_SYNTHETIC) {
if(comma++) strcat(buf, ", ");
strcat(buf, "synthetic");
}
if(flags & VFCF_LOOPBACK) {
if(comma++) strcat(buf, ", ");
strcat(buf, "loopback");
}
if(flags & VFCF_UNICODE) {
if(comma++) strcat(buf, ", ");
strcat(buf, "unicode");
}
return buf;
}
|
