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use command line flags to set various options

This commit is contained in:
pooka 2006-12-07 22:49:04 +00:00
parent 2911d34706
commit fe53828f70
1 changed files with 38 additions and 8 deletions
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46
share/examples/puffs/dtfs/dtfs.c
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@ -1,4 +1,4 @@
/* $NetBSD: dtfs.c,v 1.10 2006/12/07 10:54:29 pooka Exp $ */
/* $NetBSD: dtfs.c,v 1.11 2006/12/07 22:49:04 pooka Exp $ */
/*
* Copyright (c) 2006 Antti Kantee. All Rights Reserved.
@ -40,6 +40,7 @@
#include <puffs.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "dtfs.h"
@ -49,23 +50,52 @@
#define FSNAME "dt"
#endif
static void usage(void);
static void
usage()
{
errx(1, "usage: %s [-acds] mountpath", getprogname());
}
int
main(int argc, char *argv[])
{
extern char *optarg;
extern int optind;
struct puffs_usermount *pu;
struct puffs_ops pops;
int pflags, lflags;
int ch;
setprogname(argv[0]);
if (argc < 2)
errx(1, "usage: %s mountpath\n", getprogname());
pflags = lflags = 0;
if (argc == 3 && *argv[2] == 'd') { /* nice */
pflags = PUFFS_FLAG_OPDUMP;
lflags = PUFFSLOOP_NODAEMON;
while ((ch = getopt(argc, argv, "acds")) != -1) {
switch (ch) {
case 'a': /* all ops */
pflags |= PUFFS_KFLAG_ALLOPS;
break;
case 'c': /* no cache */
pflags |= PUFFS_KFLAG_NOCACHE;
break;
case 'd': /* dump ops */
pflags |= PUFFS_FLAG_OPDUMP;
break;
case 's': /* stay on top */
lflags |= PUFFSLOOP_NODAEMON;
break;
default:
usage();
/*NOTREACHED*/
}
}
argc -= optind;
argv += optind;
if (argc != 1)
usage();
PUFFSOP_INIT(&pops);
@ -92,7 +122,7 @@ main(int argc, char *argv[])
PUFFSOP_SET(&pops, dtfs, node, inactive);
PUFFSOP_SET(&pops, dtfs, node, reclaim);
if ((pu = puffs_mount(&pops, argv[1], 0, FSNAME, pflags, 0)) == NULL)
if ((pu = puffs_mount(&pops, argv[0], 0, FSNAME, pflags, 0)) == NULL)
err(1, "mount");
if (puffs_mainloop(pu, lflags) == -1)