File: hformat.c

package info (click to toggle)
hfsutils 3.2.6-15
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, bullseye, sid, trixie
  • size: 1,672 kB
  • sloc: ansic: 12,857; tcl: 1,937; makefile: 566; sh: 156; perl: 29
file content (190 lines) | stat: -rw-r--r-- 3,581 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
/*
 * hfsutils - tools for reading and writing Macintosh HFS volumes
 * Copyright (C) 1996-1998 Robert Leslie
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * $Id: hformat.c,v 1.9 1998/11/02 22:08:31 rob Exp $
 */

# ifdef HAVE_CONFIG_H
#  include "config.h"
# endif

# ifdef HAVE_UNISTD_H
#  include <unistd.h>
# endif

# include <stdio.h>
# include <stdlib.h>
# include <string.h>

# include "hfs.h"
# include "hcwd.h"
# include "hfsutil.h"
# include "suid.h"
# include "hformat.h"

# define O_FORCE	0x01

extern char *optarg;
extern int optind;

/*
 * NAME:	usage()
 * DESCRIPTION:	display usage message
 */
static
void usage(void)
{
  fprintf(stderr, "Usage: %s [-f] [-l label] path [partition-no]\n", argv0);
}

/*
 * NAME:	do_format()
 * DESCRIPTION:	call hfs_format() with necessary privileges
 */
static
hfsvol *do_format(const char *path, int partno, int mode, const char *vname)
{
  hfsvol *vol = 0;

  suid_enable();

  if (hfs_format(path, partno, mode, vname, 0, 0) != -1)
    vol = hfs_mount(path, partno, HFS_MODE_ANY);

  suid_disable();

  return vol;
}

/*
 * NAME:	hformat->main()
 * DESCRIPTION:	implement hformat command
 */
int hformat_main(int argc, char *argv[])
{
  const char *vname;
  char *path = 0;
  hfsvol *vol;
  hfsvolent ent;
  int nparts, partno, options = 0, result = 0;

  vname = "Untitled";

  while (1)
    {
      int opt;

      opt = getopt(argc, argv, "fl:");
      if (opt == EOF)
	break;

      switch (opt)
	{
	case '?':
	  usage();
	  goto fail;

	case 'f':
	  options |= O_FORCE;
	  break;

	case 'l':
	  vname = optarg;
	  break;
	}
    }

  if (argc - optind < 1 || argc - optind > 2)
    {
      usage();
      goto fail;
    }

  path = hfsutil_abspath(argv[optind]);
  if (path == 0)
    {
      fprintf(stderr, "%s: not enough memory\n", argv0);
      goto fail;
    }

  suid_enable();
  nparts = hfs_nparts(path);
  suid_disable();

  if (argc - optind == 2)
    {
      partno = atoi(argv[optind + 1]);

      if (nparts != -1 && partno == 0)
	{
	  if (options & O_FORCE)
	    {
	      fprintf(stderr,
		      "%s: warning: erasing partition information\n", argv0);
	    }
	  else
	    {
	      fprintf(stderr, "%s: medium is partitioned; "
		      "select partition > 0 or use -f\n", argv0);
	      goto fail;
	    }
	}
    }
  else
    {
      if (nparts > 1)
	{
	  fprintf(stderr,
		  "%s: must specify partition number (%d available)\n",
		  argv0, nparts);
	  goto fail;
	}
      else if (nparts == -1)
	partno = 0;
      else
	partno = 1;
    }

  vol = do_format(path, partno, 0, vname);
  if (vol == 0)
    {
      hfsutil_perror(path);
      goto fail;
    }

  hfs_vstat(vol, &ent);
  hfsutil_pinfo(&ent);

  if (hcwd_mounted(ent.name, ent.crdate, path, partno) == -1)
    {
      perror("Failed to record mount");
      result = 1;
    }

  hfsutil_unmount(vol, &result);

  free(path);

  return result;

fail:
  if (path)
    free(path);

  return 1;
}