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 $
10 #include <sys/linker.h>
11 #include <sys/mount.h>
12 #include <sys/sysctl.h>
17 /* XXX hide some compatibility problems. */
20 static struct ovfsconf *_vfslist = NULL;
21 static struct ovfsconf _vfsconf;
22 static size_t _vfslistlen = 0;
23 static int _vfs_keeplist = 0;
24 static size_t _vfs_index = 0;
29 int mib[2] = { CTL_VFS, VFS_VFSCONF };
33 rv = sysctl(mib, 2, NULL, &size, NULL, (size_t)0);
39 _vfslist = malloc(size);
43 rv = sysctl(mib, 2, _vfslist, &size, NULL, (size_t)0);
50 _vfslistlen = size / sizeof(_vfslist[0]);
57 if(!_vfslist && !initvfs())
61 if(_vfs_index >= _vfslistlen)
64 _vfsconf = _vfslist[_vfs_index++];
65 } while(!_vfsconf.vfc_vfsops);
75 getvfsbyname(const char *name)
79 if(!_vfslist && !initvfs())
82 for(i = 0; i < _vfslistlen; i++) {
83 if( ! strcmp(_vfslist[i].vfc_name, name) )
88 _vfsconf = _vfslist[i];
102 getvfsbytype(int type)
106 if(!_vfslist && !initvfs())
109 for(i = 0; i < _vfslistlen; i++) {
110 if(_vfslist[i].vfc_index == type)
115 _vfsconf = _vfslist[i];
131 if(_vfslist && !keep) {
136 _vfs_keeplist = keep;
152 vfsisloadable(const char *name __unused)
158 vfsload(const char *name)
162 status = kldload(name);
163 return status == -1 ? status : 0;