freebsd-dev/usr.bin/lsvfs/lsvfs.c

51 lines
1.0 KiB
C

/*
* lsvfs - lsit loaded VFSes
* Garrett A. Wollman, September 1994
* This file is in the public domain.
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/mount.h>
#include <stdio.h>
#include <err.h>
#define FMT "%-32.32s %5d %5d %5d\n"
#define HDRFMT "%-32.32s %5.5s %5.5s %5.5s\n"
#define DASHES "-------------------------------- ----- ----- -----\n"
int
main(int argc, char **argv)
{
int rv = 0;
struct vfsconf *vfc;
argc--, argv++;
setvfsent(1);
printf(HDRFMT, "Filesystem", "Index", "Refs", "Flags");
fputs(DASHES, stdout);
if(argc) {
for(; argc; argc--, argv++) {
vfc = getvfsbyname(*argv);
if(vfc) {
printf(FMT, vfc->vfc_name, vfc->vfc_index, vfc->vfc_refcount,
vfc->vfc_flags);
} else {
warnx("VFS %s unknown or not loaded", *argv);
rv++;
}
}
} else {
while(vfc = getvfsent()) {
printf(FMT, vfc->vfc_name, vfc->vfc_index, vfc->vfc_refcount,
vfc->vfc_flags);
}
}
endvfsent();
return rv;
}