1 /* ls.c - command to list files and devices */
3 * GRUB -- GRand Unified Bootloader
4 * Copyright (C) 2003,2005,2007,2008,2009 Free Software Foundation, Inc.
6 * GRUB is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * GRUB is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
20 #include <grub/types.h>
21 #include <grub/misc.h>
25 #include <grub/disk.h>
26 #include <grub/device.h>
27 #include <grub/term.h>
28 #include <grub/partition.h>
29 #include <grub/file.h>
30 #include <grub/normal.h>
31 #include <grub/extcmd.h>
32 #include <grub/datetime.h>
33 #include <grub/i18n.h>
35 static const struct grub_arg_option options
[] =
37 {"long", 'l', 0, N_("Show a long list with more detailed information."), 0, 0},
38 {"human-readable", 'h', 0, N_("Print sizes in a human readable format."), 0, 0},
39 {"all", 'a', 0, N_("List all files."), 0, 0},
43 static const char grub_human_sizes
[] = {' ', 'K', 'M', 'G', 'T'};
46 grub_ls_list_devices (int longlist
)
48 auto int grub_ls_print_devices (const char *name
);
49 int grub_ls_print_devices (const char *name
)
52 grub_normal_print_device_info (name
);
54 grub_printf ("(%s) ", name
);
59 grub_device_iterate (grub_ls_print_devices
);
67 grub_ls_list_files (char *dirname
, int longlist
, int all
, int human
)
74 auto int print_files (const char *filename
,
75 const struct grub_dirhook_info
*info
);
76 auto int print_files_long (const char *filename
,
77 const struct grub_dirhook_info
*info
);
79 int print_files (const char *filename
, const struct grub_dirhook_info
*info
)
81 if (all
|| filename
[0] != '.')
82 grub_printf ("%s%s ", filename
, info
->dir
? "/" : "");
87 int print_files_long (const char *filename
,
88 const struct grub_dirhook_info
*info
)
90 if ((! all
) && (filename
[0] == '.'))
98 if (dirname
[grub_strlen (dirname
) - 1] == '/')
99 pathname
= grub_xasprintf ("%s%s", dirname
, filename
);
101 pathname
= grub_xasprintf ("%s/%s", dirname
, filename
);
106 /* XXX: For ext2fs symlinks are detected as files while they
107 should be reported as directories. */
108 grub_file_filter_disable_compression ();
109 file
= grub_file_open (pathname
);
113 grub_free (pathname
);
118 grub_printf ("%-12llu", (unsigned long long) file
->size
);
121 grub_uint64_t fsize
= file
->size
* 100ULL;
122 int fsz
= file
->size
;
128 fsize
= (fsize
+ 512) / 1024;
135 grub_uint32_t whole
, fraction
;
137 whole
= grub_divmod64 (fsize
, 100, &fraction
);
138 grub_snprintf (buf
, sizeof (buf
),
139 "%u.%02u%c", whole
, fraction
,
140 grub_human_sizes
[units
]);
141 grub_printf ("%-12s", buf
);
144 grub_printf ("%-12llu", (unsigned long long) file
->size
);
147 grub_file_close (file
);
148 grub_free (pathname
);
151 grub_printf ("%-12s", "DIR");
155 struct grub_datetime datetime
;
156 grub_unixtime2datetime (info
->mtime
, &datetime
);
158 grub_printf (" %d-%02d-%02d %02d:%02d:%02d %-11s ",
159 datetime
.year
, datetime
.month
, datetime
.day
,
160 datetime
.hour
, datetime
.minute
,
162 grub_get_weekday_name (&datetime
));
164 grub_printf (" %04d%02d%02d%02d%02d%02d ",
165 datetime
.year
, datetime
.month
,
166 datetime
.day
, datetime
.hour
,
167 datetime
.minute
, datetime
.second
);
169 grub_printf ("%s%s\n", filename
, info
->dir
? "/" : "");
174 device_name
= grub_file_get_device_name (dirname
);
175 dev
= grub_device_open (device_name
);
179 fs
= grub_fs_probe (dev
);
180 path
= grub_strchr (dirname
, ')');
186 if (! path
&& ! device_name
)
188 grub_error (GRUB_ERR_BAD_ARGUMENT
, "invalid argument");
194 if (grub_errno
== GRUB_ERR_UNKNOWN_FS
)
195 grub_errno
= GRUB_ERR_NONE
;
197 grub_normal_print_device_info (device_name
);
202 (fs
->dir
) (dev
, path
, print_files_long
);
204 (fs
->dir
) (dev
, path
, print_files
);
206 if (grub_errno
== GRUB_ERR_BAD_FILE_TYPE
207 && path
[grub_strlen (path
) - 1] != '/')
209 /* PATH might be a regular file. */
212 struct grub_dirhook_info info
;
215 grub_file_filter_disable_compression ();
216 file
= grub_file_open (dirname
);
220 grub_file_close (file
);
222 p
= grub_strrchr (dirname
, '/') + 1;
223 dirname
= grub_strndup (dirname
, p
- dirname
);
228 grub_memset (&info
, 0, sizeof (info
));
230 print_files_long (p
, &info
);
232 print_files (p
, &info
);
237 if (grub_errno
== GRUB_ERR_NONE
)
245 grub_device_close (dev
);
247 grub_free (device_name
);
253 grub_cmd_ls (grub_extcmd_context_t ctxt
, int argc
, char **args
)
255 struct grub_arg_list
*state
= ctxt
->state
;
259 grub_ls_list_devices (state
[0].set
);
261 for (i
= 0; i
< argc
; i
++)
262 grub_ls_list_files (args
[i
], state
[0].set
, state
[2].set
,
268 static grub_extcmd_t cmd
;
272 cmd
= grub_register_extcmd ("ls", grub_cmd_ls
, 0,
273 N_("[-l|-h|-a] [FILE ...]"),
274 N_("List devices and files."), options
);
279 grub_unregister_extcmd (cmd
);