usr.sbin/makefs/v7fs.c

   1 /*      $NetBSD: v7fs.c,v 1.8 2013/01/29 15:52:25 christos Exp $        */
   2
   3 /*-
   4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by UCHIYAMA Yasushi.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #if HAVE_NBTOOL_CONFIG_H
  33 #include "nbtool_config.h"
  34 #endif
  35
  36 #include <sys/cdefs.h>
  37 #if defined(__RCSID) && !defined(__lint)
  38 __RCSID("$NetBSD: v7fs.c,v 1.8 2013/01/29 15:52:25 christos Exp $");
  39 #endif  /* !__lint */
  40
  41 #include <stdio.h>
  42 #include <stdlib.h>
  43 #include <unistd.h>
  44 #include <string.h>
  45 #include <fcntl.h>
  46 #include <util.h>
  47
  48 #include "makefs.h"
  49 #include "v7fs.h"
  50 #include "v7fs_impl.h"
  51 #include "v7fs_makefs.h"
  52 #include "newfs_v7fs.h"
  53
  54
  55 #ifndef HAVE_NBTOOL_CONFIG_H
  56 #include "progress.h"
  57 static bool progress_bar_enable;
  58 #endif
  59 int v7fs_newfs_verbose;
  60
  61 void
  62 v7fs_prep_opts(fsinfo_t *fsopts)
  63 {
  64         v7fs_opt_t *v7fs_opts = ecalloc(1, sizeof(*v7fs_opts));
  65         const option_t v7fs_options[] = {
  66                 { 'p', "pdp", &v7fs_opts->pdp_endian, OPT_INT32, false, true,
  67                     "PDP endian" },
  68                 { 'P', "progress", &v7fs_opts->progress, OPT_INT32, false, true,
  69                   "Progress bar" },
  70                 { .name = NULL }
  71         };
  72
  73         fsopts->fs_specific = v7fs_opts;
  74         fsopts->fs_options = copy_opts(v7fs_options);
  75 }
  76
  77 void
  78 v7fs_cleanup_opts(fsinfo_t *fsopts)
  79 {
  80         free(fsopts->fs_specific);
  81         free(fsopts->fs_options);
  82 }
  83
  84 int
  85 v7fs_parse_opts(const char *option, fsinfo_t *fsopts)
  86 {
  87
  88         return set_option_var(fsopts->fs_options, option, "1", NULL, 0) != -1;
  89 }
  90
  91 void
  92 v7fs_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts)
  93 {
  94         struct v7fs_mount_device v7fs_mount;
  95         int fd, endian, error = 1;
  96         v7fs_opt_t *v7fs_opts = fsopts->fs_specific;
  97
  98         v7fs_newfs_verbose = debug;
  99 #ifndef HAVE_NBTOOL_CONFIG_H
 100         if ((progress_bar_enable = v7fs_opts->progress)) {
 101                 progress_switch(progress_bar_enable);
 102                 progress_init();
 103                 progress(&(struct progress_arg){ .cdev = image });
 104         }
 105 #endif
 106
 107         /* Determine filesystem image size */
 108         v7fs_estimate(dir, root, fsopts);
 109         printf("Calculated size of `%s': %lld bytes, %ld inodes\n",
 110             image, (long long)fsopts->size, (long)fsopts->inodes);
 111
 112         if ((fd = open(image, O_RDWR | O_CREAT | O_TRUNC, 0666)) == -1) {
 113                 err(EXIT_FAILURE, "%s", image);
 114         }
 115         if (lseek(fd, fsopts->size - 1, SEEK_SET) == -1) {
 116                 goto err_exit;
 117         }
 118         if (write(fd, &fd, 1) != 1) {
 119                 goto err_exit;
 120         }
 121         if (lseek(fd, 0, SEEK_SET) == -1) {
 122                 goto err_exit;
 123         }
 124         fsopts->fd = fd;
 125         v7fs_mount.device.fd = fd;
 126
 127 #if !defined BYTE_ORDER
 128 #error
 129 #endif
 130 #if BYTE_ORDER == LITTLE_ENDIAN
 131         if (fsopts->needswap)
 132                 endian = BIG_ENDIAN;
 133         else
 134                 endian = LITTLE_ENDIAN;
 135 #else
 136         if (fsopts->needswap)
 137                 endian = LITTLE_ENDIAN;
 138         else
 139                 endian = BIG_ENDIAN;
 140 #endif
 141         if (v7fs_opts->pdp_endian) {
 142                 endian = PDP_ENDIAN;
 143         }
 144
 145         v7fs_mount.endian = endian;
 146         v7fs_mount.sectors = fsopts->size >> V7FS_BSHIFT;
 147         if (v7fs_newfs(&v7fs_mount, fsopts->inodes) != 0) {
 148                 goto err_exit;
 149         }
 150
 151         if (v7fs_populate(dir, root, fsopts, &v7fs_mount) != 0) {
 152                 error = 2;      /* some files couldn't add */
 153                 goto err_exit;
 154         }
 155
 156         close(fd);
 157         return;
 158
 159  err_exit:
 160         close(fd);
 161         err(error, "%s", image);
 162 }
 163
 164 void
 165 progress(const struct progress_arg *p)
 166 {
 167 #ifndef HAVE_NBTOOL_CONFIG_H
 168         static struct progress_arg Progress;
 169         static char cdev[32];
 170         static char label[32];
 171
 172         if (!progress_bar_enable)
 173                 return;
 174
 175         if (p) {
 176                 Progress = *p;
 177                 if (p->cdev)
 178                         strcpy(cdev, p->cdev);
 179                 if (p->label)
 180                         strcpy(label, p->label);
 181         }
 182
 183         if (!Progress.tick)
 184                 return;
 185         if (++Progress.cnt > Progress.tick) {
 186                 Progress.cnt = 0;
 187                 Progress.total++;
 188                 progress_bar(cdev, label, Progress.total, PROGRESS_BAR_GRANULE);
 189         }
 190 #endif
 191 }