2 * getvfsent.c - get a listing of installed filesystems
3 * Written September 1994 by Garrett A. Wollman
4 * This file is in the public domain.
6 * $FreeBSD: src/lib/libc/gen/getvfsent.c,v 1.14.2.1 2001/03/05 09:19:38 obrien Exp $
7 * $DragonFly: src/lib/libc/gen/getvfsent.c,v 1.3 2005/04/26 06:16:29 joerg Exp $
10 #include <sys/param.h>
11 #include <sys/linker.h>
12 #include <sys/mount.h>
13 #include <sys/sysctl.h>
18 /* XXX hide some compatibility problems. */
21 static struct ovfsconf
*_vfslist
= 0;
22 static struct ovfsconf _vfsconf
;
23 static size_t _vfslistlen
= 0;
24 static int _vfs_keeplist
= 0;
25 static size_t _vfs_index
= 0;
30 int mib
[2] = { CTL_VFS
, VFS_VFSCONF
};
34 rv
= sysctl(mib
, 2, NULL
, &size
, NULL
, (size_t)0);
40 _vfslist
= malloc(size
);
44 rv
= sysctl(mib
, 2, _vfslist
, &size
, NULL
, (size_t)0);
51 _vfslistlen
= size
/ sizeof(_vfslist
[0]);
58 if(!_vfslist
&& !initvfs())
62 if(_vfs_index
>= _vfslistlen
)
65 _vfsconf
= _vfslist
[_vfs_index
++];
66 } while(!_vfsconf
.vfc_vfsops
);
76 getvfsbyname(const char *name
)
80 if(!_vfslist
&& !initvfs())
83 for(i
= 0; i
< _vfslistlen
; i
++) {
84 if( ! strcmp(_vfslist
[i
].vfc_name
, name
) )
89 _vfsconf
= _vfslist
[i
];
103 getvfsbytype(int type
)
107 if(!_vfslist
&& !initvfs())
110 for(i
= 0; i
< _vfslistlen
; i
++) {
111 if(_vfslist
[i
].vfc_index
== type
)
116 _vfsconf
= _vfslist
[i
];
132 if(_vfslist
&& !keep
) {
137 _vfs_keeplist
= keep
;
153 vfsisloadable(const char *name __unused
)
159 vfsload(const char *name
)
163 status
= kldload(name
);
164 return status
== -1 ? status
: 0;