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mirror of https://git.FreeBSD.org/src.git synced 2024-12-24 11:29:10 +00:00
freebsd/usr.bin/lsvfs/lsvfs.c
1995-03-16 21:43:03 +00:00

94 lines
1.9 KiB
C

/*
* lsvfs - lsit loaded VFSes
* Garrett A. Wollman, September 1994
* This file is in the public domain.
*
* $Id: lsvfs.c,v 1.4 1995/03/16 20:29:11 wollman Exp $
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/mount.h>
#include <stdio.h>
#include <err.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;
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,
fmt_flags(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,
fmt_flags(vfc->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"];
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");
}
return buf;
}