text: /*	$NetBSD: newfs_v7fs.c,v 1.4 2015/06/16 23:18:55 christos Exp $ */
  
  /*-
   * Copyright (c) 2004, 2011 The NetBSD Foundation, Inc.
   * All rights reserved.
   *
   * This code is derived from software contributed to The NetBSD Foundation
   * by UCHIYAMA Yasushi.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <sys/cdefs.h>
  #ifndef lint
  __RCSID("$NetBSD: newfs_v7fs.c,v 1.4 2015/06/16 23:18:55 christos Exp $");
  #endif /* not lint */
  
  #include <sys/types.h>
  #include <sys/param.h>
  #include <err.h>
  #include <stdio.h>
  #include <string.h>
  #include <stdlib.h>
  #include <unistd.h>
  #include <fcntl.h>
  #include <sys/ioctl.h>
  #include <sys/disklabel.h>
  
  #include <fs/v7fs/v7fs.h>
  #include "v7fs_impl.h"
  #include "progress.h"
  #include "newfs_v7fs.h"
  
  static void usage(void) __dead;
  static bool progress_bar_enable = false;
  int v7fs_newfs_verbose = 3;	/* newfs compatible */
  
  int
  main(int argc, char **argv)
  {
  	const char *device;
  	struct disklabel d;
  	struct partition *p;
  	struct stat st;
  	uint32_t partsize;
  	int Fflag, Zflag;
  	int part;
  	int fd, ch;
  	int endian = _BYTE_ORDER;
  	int32_t maxfile = 0;
  
  	if (argc < 2)
  		usage();
  
  	Fflag = Zflag = partsize = 0;
  	while ((ch = getopt(argc, argv, "Fs:Zs:n:B:V:")) != -1) {
  		switch (ch) {
  		case 'V':
  			v7fs_newfs_verbose = atoi(optarg);
  			break;
  		case 'F':
  			Fflag = 1;
  			break;
  		case 's':
  			partsize = atoi(optarg);
  			break;
  		case 'n':
  			maxfile = atoi(optarg);
  			break;
  		case 'Z':
  			Zflag = 1;
  			break;
  		case 'B':
  			switch (optarg[0]) {
  			case 'l':
  				endian = _LITTLE_ENDIAN;
  				break;
  			case 'b':
  				endian = _BIG_ENDIAN;
  				break;
  			case 'p':
  				endian = _PDP_ENDIAN;
  				break;
  			}
  			break;
  		default:
  			usage();
  			/*NOTREACHED*/
  		}
  	}
  	argc -= optind;
  	argv += optind;
  
  	if (argc != 1)
  		usage();
  	device = argv[0];
  
  	progress_bar_enable = v7fs_newfs_verbose > 1;
  
  
  	if (progress_bar_enable) {
  		progress_switch(progress_bar_enable);
  		progress_init();
  		progress(&(struct progress_arg){ .cdev = device });
  	}
  
  	if (!Fflag) {
  		if ((fd = open(device, O_RDWR)) == -1) {
  			err(EXIT_FAILURE, "%s", device);
  		}
  		if (fstat(fd, &st) != 0) {
  			goto err_exit;
  		}
  		if (!S_ISCHR(st.st_mode)) {
  			warnx("not a raw device");
  		}
  
  		part = DISKPART(st.st_rdev);
  
  		if (ioctl(fd, DIOCGDINFO, &d) == -1) {
  			goto err_exit;
  		}
  		p = &d.d_partitions[part];
  		if (v7fs_newfs_verbose) {
  			printf("partition=%d size=%d offset=%d fstype=%d"
  			    " secsize=%d\n", part, p->p_size, p->p_offset,
  			    p->p_fstype, d.d_secsize);
  		}
  		if (p->p_fstype != FS_V7) {
  			warnx("not a Version 7 partition");
  			goto err_exit;
  		}
  		partsize = p->p_size;
  	} else {
  		off_t filesize;
  		uint8_t zbuf[8192] = {0, };
  
  		if (partsize == 0) {
  			errx(EXIT_FAILURE, "-F requires -s");
  		}
  
  		filesize = partsize << V7FS_BSHIFT;
  
  		fd = open(device, O_RDWR|O_CREAT|O_TRUNC, 0666);
  		if (fd == -1) {
  			err(EXIT_FAILURE, "%s", device);
  		}
  
  		if (Zflag) {
  			while (filesize > 0) {
  				size_t writenow = MIN(filesize,
  				    (off_t)sizeof(zbuf));
  
  				if ((size_t)write(fd, zbuf, writenow) !=
  				    writenow) {
  					err(EXIT_FAILURE, NULL);
  				}
  				filesize -= writenow;
  			}
  		} else {
  			if (lseek(fd, filesize - 1, SEEK_SET) == -1) {
  				goto err_exit;
  			}
  			if (write(fd, zbuf, 1) != 1) {
  				goto err_exit;
  			}
  			if (lseek(fd, 0, SEEK_SET) == -1) {
  				goto err_exit;
  			}
  		}
  	}
  
  	if (v7fs_newfs(&(struct v7fs_mount_device)
  		{ .device.fd = fd, .endian = endian, .sectors = partsize },
  		maxfile) != 0)
  		goto err_exit;
  
  	close(fd);
  
  	return EXIT_SUCCESS;
   err_exit:
  	close(fd);
  	err(EXIT_FAILURE, NULL);
  }
  
  void
  progress(const struct progress_arg *p)
  {
  	static struct progress_arg Progress;
  	static char cdev[32];
  	static char label[32];
  
  	if (!progress_bar_enable)
  		return;
  
  	if (p) {
  		Progress = *p;
  		if (p->cdev)
  			strcpy(cdev, p->cdev);
  		if (p->label)
  			strcpy(label, p->label);
  	}
  
  	if (!Progress.tick)
  		return;
  	if (++Progress.cnt > Progress.tick) {
  		Progress.cnt = 0;
  		Progress.total++;
  		progress_bar(cdev, label, Progress.total, PROGRESS_BAR_GRANULE);
  	}
  }
  
  static void
  usage(void)
  {
  
  	(void)fprintf(stderr, "usage: \n%s [-FZ] [-B byte-order]"
  	    " [-n inodes] [-s sectors] [-V verbose] special\n", getprogname());
  
  	exit(EXIT_FAILURE);
  }
  