ebbf3dddb5
information and a link to the appropriate fsinode, and `fsinode' contains the inode information and a reference count. multiple fsnodes may point to the same fsinode. this replaces the 'dup' pointer in the previous code.
284 lines
6.7 KiB
C
284 lines
6.7 KiB
C
/* $NetBSD: makefs.c,v 1.7 2001/12/05 11:08:53 lukem Exp $ */
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/*
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* Copyright (c) 2001 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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#ifndef __lint
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__RCSID("$NetBSD: makefs.c,v 1.7 2001/12/05 11:08:53 lukem 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 <err.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 "strsuftoull.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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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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(void)memset(&fsoptions, 0, sizeof(fsoptions));
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fsoptions.fd = -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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TIMEVAL_TO_TIMESPEC(&start, &start_time);
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while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:o:s:S:t:")) != -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, "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, "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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strsuftoull("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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strsuftoull("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)strsuftoull("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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strsuftoull("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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strsuftoull("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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strsuftoull("minimum size", optarg, 1LL, LLONG_MAX);
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break;
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case 'm':
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fsoptions.maxsize =
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strsuftoull("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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strsuftoull("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)strsuftoull("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 '?':
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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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/* 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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putchar('\n');
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dump_fsnodes(argv[1], 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)strsuftoull(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]\n"
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"\timage-file directory\n",
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prog);
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exit(1);
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}
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