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94 lines
1.9 KiB
C
94 lines
1.9 KiB
C
/*
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* lsvfs - lsit loaded VFSes
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* Garrett A. Wollman, September 1994
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* This file is in the public domain.
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*
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* $Id: lsvfs.c,v 1.4 1995/03/16 20:29:11 wollman Exp $
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <stdio.h>
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#include <err.h>
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#define FMT "%-32.32s %5d %5d %s\n"
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#define HDRFMT "%-32.32s %5.5s %5.5s %s\n"
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#define DASHES "-------------------------------- ----- ----- ---------------\n"
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static const char *fmt_flags(int);
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int
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main(int argc, char **argv)
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{
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int rv = 0;
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struct vfsconf *vfc;
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argc--, argv++;
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setvfsent(1);
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printf(HDRFMT, "Filesystem", "Index", "Refs", "Flags");
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fputs(DASHES, stdout);
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if(argc) {
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for(; argc; argc--, argv++) {
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vfc = getvfsbyname(*argv);
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if(vfc) {
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printf(FMT, vfc->vfc_name, vfc->vfc_index, vfc->vfc_refcount,
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fmt_flags(vfc->vfc_flags));
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} else {
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warnx("VFS %s unknown or not loaded", *argv);
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rv++;
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}
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}
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} else {
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while(vfc = getvfsent()) {
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printf(FMT, vfc->vfc_name, vfc->vfc_index, vfc->vfc_refcount,
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fmt_flags(vfc->vfc_flags));
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}
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}
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endvfsent();
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return rv;
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}
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static const char *
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fmt_flags(int flags)
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{
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/*
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* NB: if you add new flags, don't forget to add them here vvvvvv too.
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*/
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static char buf[sizeof "static, network, read-only, synthetic, loopback"];
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int comma = 0;
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buf[0] = '\0';
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if(flags & VFCF_STATIC) {
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if(comma++) strcat(buf, ", ");
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strcat(buf, "static");
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}
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if(flags & VFCF_NETWORK) {
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if(comma++) strcat(buf, ", ");
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strcat(buf, "network");
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}
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if(flags & VFCF_READONLY) {
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if(comma++) strcat(buf, ", ");
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strcat(buf, "read-only");
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}
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if(flags & VFCF_SYNTHETIC) {
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if(comma++) strcat(buf, ", ");
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strcat(buf, "synthetic");
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}
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if(flags & VFCF_LOOPBACK) {
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if(comma++) strcat(buf, ", ");
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strcat(buf, "loopback");
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}
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return buf;
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}
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