241 lines
5.4 KiB
C
241 lines
5.4 KiB
C
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/* $NetBSD: newfs_v7fs.c,v 1.3 2011/08/10 12:13:20 wiz Exp $ */
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/*-
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* Copyright (c) 2004, 2011 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by UCHIYAMA Yasushi.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND 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 THE FOUNDATION OR CONTRIBUTORS
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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: newfs_v7fs.c,v 1.3 2011/08/10 12:13:20 wiz Exp $");
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/param.h>
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#include <err.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/disklabel.h>
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#include <fs/v7fs/v7fs.h>
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#include "v7fs_impl.h"
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#include "progress.h"
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#include "newfs_v7fs.h"
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static void usage(void) __dead;
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static bool progress_bar_enable = false;
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int v7fs_newfs_verbose = 3; /* newfs compatible */
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int
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main(int argc, char **argv)
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{
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const char *device;
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struct disklabel d;
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struct partition *p;
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struct stat st;
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uint32_t partsize;
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int Fflag, Zflag;
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int part;
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int fd, ch;
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int endian = _BYTE_ORDER;
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int32_t maxfile = 0;
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if (argc < 2)
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usage();
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Fflag = Zflag = partsize = 0;
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while ((ch = getopt(argc, argv, "Fs:Zs:n:B:V:")) != -1) {
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switch (ch) {
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case 'V':
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v7fs_newfs_verbose = atoi(optarg);
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break;
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case 'F':
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Fflag = 1;
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break;
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case 's':
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partsize = atoi(optarg);
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break;
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case 'n':
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maxfile = atoi(optarg);
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break;
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case 'Z':
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Zflag = 1;
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break;
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case 'B':
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switch (optarg[0]) {
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case 'l':
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endian = _LITTLE_ENDIAN;
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break;
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case 'b':
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endian = _BIG_ENDIAN;
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break;
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case 'p':
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endian = _PDP_ENDIAN;
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break;
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}
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break;
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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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argc -= optind;
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argv += optind;
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if (argc != 1)
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usage();
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device = argv[0];
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progress_bar_enable = v7fs_newfs_verbose > 1;
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if (progress_bar_enable) {
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progress_switch(progress_bar_enable);
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progress_init();
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progress(&(struct progress_arg){ .cdev = device });
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}
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if (!Fflag) {
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if ((fd = open(device, O_RDWR)) == -1) {
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err(EXIT_FAILURE, "%s", device);
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}
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if (fstat(fd, &st) != 0) {
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goto err_exit;
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}
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if (!S_ISCHR(st.st_mode)) {
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warnx("not a raw device.\n");
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}
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part = DISKPART(st.st_rdev);
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if (ioctl(fd, DIOCGDINFO, &d) == -1) {
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goto err_exit;
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}
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p = &d.d_partitions[part];
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if (v7fs_newfs_verbose) {
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printf("partition=%d size=%d offset=%d fstype=%d"
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" secsize=%d\n", part, p->p_size, p->p_offset,
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p->p_fstype, d.d_secsize);
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}
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if (p->p_fstype != FS_V7) {
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warnx("not a Version 7 partition.");
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goto err_exit;
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}
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partsize = p->p_size;
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} else {
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off_t filesize;
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uint8_t zbuf[8192] = {0, };
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if (partsize == 0) {
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errx(EXIT_FAILURE, "-F requires -s");
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}
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filesize = partsize << V7FS_BSHIFT;
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fd = open(device, O_RDWR|O_CREAT|O_TRUNC, 0666);
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if (fd == -1) {
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err(EXIT_FAILURE, "%s", device);
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}
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if (Zflag) {
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while (filesize > 0) {
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size_t writenow = MIN(filesize,
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(off_t)sizeof(zbuf));
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if ((size_t)write(fd, zbuf, writenow) !=
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writenow) {
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err(EXIT_FAILURE, NULL);
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}
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filesize -= writenow;
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}
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} else {
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if (lseek(fd, filesize - 1, SEEK_SET) == -1) {
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goto err_exit;
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}
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if (write(fd, zbuf, 1) != 1) {
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goto err_exit;
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}
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if (lseek(fd, 0, SEEK_SET) == -1) {
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goto err_exit;
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}
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}
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}
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if (v7fs_newfs(&(struct v7fs_mount_device)
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{ .device.fd = fd, .endian = endian, .sectors = partsize },
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maxfile) != 0)
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goto err_exit;
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close(fd);
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return EXIT_SUCCESS;
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err_exit:
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close(fd);
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err(EXIT_FAILURE, NULL);
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}
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void
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progress(const struct progress_arg *p)
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{
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static struct progress_arg Progress;
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static char cdev[32];
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static char label[32];
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if (!progress_bar_enable)
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return;
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if (p) {
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Progress = *p;
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if (p->cdev)
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strcpy(cdev, p->cdev);
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if (p->label)
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strcpy(label, p->label);
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}
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if (!Progress.tick)
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return;
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if (++Progress.cnt > Progress.tick) {
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Progress.cnt = 0;
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Progress.total++;
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progress_bar(cdev, label, Progress.total, PROGRESS_BAR_GRANULE);
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}
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}
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static void
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usage(void)
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{
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(void)fprintf(stderr, "usage: \n%s [-FZ] [-B byte-order]"
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" [-n inodes] [-s sectors] [-V verbose] special\n", getprogname());
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exit(EXIT_FAILURE);
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}
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