42614ed3f3
64 bit block pointers, extended attribute storage, and a few other things. This commit does not yet include the code to manipulate the extended storage (for e.g. ACLs), this will be done later. Originally written by Kirk McKusick and Network Associates Laboratories for FreeBSD.
317 lines
7.5 KiB
C
317 lines
7.5 KiB
C
/* $NetBSD: makefs.c,v 1.18 2003/04/02 10:39:48 fvdl Exp $ */
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/*
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* Copyright (c) 2001-2003 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Luke Mewburn for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if defined(__RCSID) && !defined(__lint)
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__RCSID("$NetBSD: makefs.c,v 1.18 2003/04/02 10:39:48 fvdl Exp $");
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#endif /* !__lint */
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#include <assert.h>
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#include <ctype.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "makefs.h"
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#include "mtree.h"
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/*
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* list of supported file systems and dispatch functions
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*/
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typedef struct {
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const char *type;
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int (*parse_options)(const char *, fsinfo_t *);
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void (*make_fs)(const char *, const char *, fsnode *,
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fsinfo_t *);
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} fstype_t;
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static fstype_t fstypes[] = {
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{ "ffs", ffs_parse_opts, ffs_makefs },
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{ NULL },
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};
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uint debug;
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struct timespec start_time;
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static fstype_t *get_fstype(const char *);
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static void usage(void);
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int main(int, char *[]);
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int
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main(int argc, char *argv[])
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{
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struct timeval start;
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fstype_t *fstype;
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fsinfo_t fsoptions;
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fsnode *root;
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int ch, len;
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char *specfile;
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setprogname(argv[0]);
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debug = 0;
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if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL)
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errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE);
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/* set default fsoptions */
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(void)memset(&fsoptions, 0, sizeof(fsoptions));
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fsoptions.fd = -1;
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fsoptions.sectorsize = -1;
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fsoptions.bsize= -1;
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fsoptions.fsize= -1;
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fsoptions.cpg= -1;
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fsoptions.density= -1;
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fsoptions.minfree= -1;
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fsoptions.optimization= -1;
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fsoptions.maxcontig= -1;
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fsoptions.maxbpg= -1;
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fsoptions.avgfilesize= -1;
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fsoptions.avgfpdir= -1;
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fsoptions.version = 1;
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specfile = NULL;
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if (gettimeofday(&start, NULL) == -1)
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err(1, "Unable to get system time");
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start_time.tv_sec = start.tv_sec;
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start_time.tv_nsec = start.tv_usec * 1000;
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while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:N:o:s:S:t:x")) != -1) {
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switch (ch) {
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case 'B':
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if (strcmp(optarg, "be") == 0 ||
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strcmp(optarg, "4321") == 0 ||
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strcmp(optarg, "big") == 0) {
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#if BYTE_ORDER == LITTLE_ENDIAN
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fsoptions.needswap = 1;
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#endif
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} else if (strcmp(optarg, "le") == 0 ||
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strcmp(optarg, "1234") == 0 ||
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strcmp(optarg, "little") == 0) {
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#if BYTE_ORDER == BIG_ENDIAN
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fsoptions.needswap = 1;
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#endif
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} else {
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warnx("Invalid endian `%s'.", optarg);
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usage();
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}
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break;
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case 'b':
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len = strlen(optarg) - 1;
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if (optarg[len] == '%') {
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optarg[len] = '\0';
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fsoptions.freeblockpc =
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strsuftoll("free block percentage",
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optarg, 0, 99);
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} else {
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fsoptions.freeblocks =
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strsuftoll("free blocks",
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optarg, 0, LLONG_MAX);
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}
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break;
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case 'd':
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debug =
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(int)strsuftoll("debug mask", optarg, 0, UINT_MAX);
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break;
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case 'f':
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len = strlen(optarg) - 1;
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if (optarg[len] == '%') {
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optarg[len] = '\0';
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fsoptions.freefilepc =
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strsuftoll("free file percentage",
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optarg, 0, 99);
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} else {
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fsoptions.freefiles =
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strsuftoll("free files",
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optarg, 0, LLONG_MAX);
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}
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break;
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case 'F':
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specfile = optarg;
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break;
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case 'M':
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fsoptions.minsize =
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strsuftoll("minimum size", optarg, 1LL, LLONG_MAX);
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break;
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case 'N':
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if (! setup_getid(optarg))
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errx(1,
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"Unable to use user and group databases in `%s'",
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optarg);
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break;
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case 'm':
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fsoptions.maxsize =
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strsuftoll("maximum size", optarg, 1LL, LLONG_MAX);
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break;
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case 'o':
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{
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char *p;
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while ((p = strsep(&optarg, ",")) != NULL) {
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if (*p == '\0')
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errx(1, "Empty option");
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if (! fstype->parse_options(p, &fsoptions))
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usage();
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}
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break;
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}
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case 's':
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fsoptions.minsize = fsoptions.maxsize =
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strsuftoll("size", optarg, 1LL, LLONG_MAX);
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break;
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case 'S':
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fsoptions.sectorsize =
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(int)strsuftoll("sector size", optarg,
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1LL, INT_MAX);
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break;
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case 't':
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if ((fstype = get_fstype(optarg)) == NULL)
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errx(1, "Unknown fs type `%s'.", optarg);
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break;
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case 'x':
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fsoptions.onlyspec = 1;
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break;
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case '?':
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default:
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usage();
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/* NOTREACHED */
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}
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}
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if (debug) {
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printf("debug mask: 0x%08x\n", debug);
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printf("start time: %ld.%ld, %s",
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(long)start_time.tv_sec, (long)start_time.tv_nsec,
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ctime(&start_time.tv_sec));
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}
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argc -= optind;
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argv += optind;
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if (argc != 2)
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usage();
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/* -x must be accompanied by -F */
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if (fsoptions.onlyspec != 0 && specfile == NULL)
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errx(1, "-x requires -F mtree-specfile.");
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/* walk the tree */
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TIMER_START(start);
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root = walk_dir(argv[1], NULL);
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TIMER_RESULTS(start, "walk_dir");
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if (specfile) { /* apply a specfile */
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TIMER_START(start);
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apply_specfile(specfile, argv[1], root);
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TIMER_RESULTS(start, "apply_specfile");
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}
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if (debug & DEBUG_DUMP_FSNODES) {
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printf("\nparent: %s\n", argv[1]);
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dump_fsnodes(".", root);
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putchar('\n');
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}
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/* build the file system */
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TIMER_START(start);
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fstype->make_fs(argv[0], argv[1], root, &fsoptions);
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TIMER_RESULTS(start, "make_fs");
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exit(0);
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/* NOTREACHED */
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}
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int
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set_option(option_t *options, const char *var, const char *val)
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{
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int i;
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for (i = 0; options[i].name != NULL; i++) {
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if (strcmp(options[i].name, var) != 0)
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continue;
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*options[i].value = (int)strsuftoll(options[i].desc, val,
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options[i].minimum, options[i].maximum);
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return (1);
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}
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warnx("Unknown option `%s'", var);
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return (0);
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}
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static fstype_t *
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get_fstype(const char *type)
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{
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int i;
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for (i = 0; fstypes[i].type != NULL; i++)
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if (strcmp(fstypes[i].type, type) == 0)
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return (&fstypes[i]);
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return (NULL);
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}
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static void
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usage(void)
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{
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const char *prog;
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prog = getprogname();
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fprintf(stderr,
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"Usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n"
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"\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-s image-size]\n"
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"\t[-b free-blocks] [-f free-files] [-F mtree-specfile] [-x]\n"
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"\t[-N userdb-dir] image-file directory\n",
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prog);
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exit(1);
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}
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