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>
36 GRUB_MOD_LICENSE ("GPLv3+");
38 static const struct grub_arg_option options
[] =
40 {"long", 'l', 0, N_("Show a long list with more detailed information."), 0, 0},
41 {"human-readable", 'h', 0, N_("Print sizes in a human readable format."), 0, 0},
42 {"all", 'a', 0, N_("List all files."), 0, 0},
46 static const char grub_human_sizes
[] = {' ', 'K', 'M', 'G', 'T'};
49 grub_ls_list_devices (int longlist
)
51 auto int grub_ls_print_devices (const char *name
);
52 int grub_ls_print_devices (const char *name
)
55 grub_normal_print_device_info (name
);
57 grub_printf ("(%s) ", name
);
62 grub_device_iterate (grub_ls_print_devices
);
67 grub_net_app_level_t proto
;
69 FOR_NET_APP_LEVEL (proto
)
72 grub_puts_ (N_ ("Network protocols:"));
74 grub_printf ("%s ", proto
->name
);
86 grub_ls_list_files (char *dirname
, int longlist
, int all
, int human
)
93 auto int print_files (const char *filename
,
94 const struct grub_dirhook_info
*info
);
95 auto int print_files_long (const char *filename
,
96 const struct grub_dirhook_info
*info
);
98 int print_files (const char *filename
, const struct grub_dirhook_info
*info
)
100 if (all
|| filename
[0] != '.')
101 grub_printf ("%s%s ", filename
, info
->dir
? "/" : "");
106 int print_files_long (const char *filename
,
107 const struct grub_dirhook_info
*info
)
109 if ((! all
) && (filename
[0] == '.'))
117 if (dirname
[grub_strlen (dirname
) - 1] == '/')
118 pathname
= grub_xasprintf ("%s%s", dirname
, filename
);
120 pathname
= grub_xasprintf ("%s/%s", dirname
, filename
);
125 /* XXX: For ext2fs symlinks are detected as files while they
126 should be reported as directories. */
127 grub_file_filter_disable_compression ();
128 file
= grub_file_open (pathname
);
132 grub_free (pathname
);
137 grub_printf ("%-12llu", (unsigned long long) file
->size
);
140 grub_uint64_t fsize
= file
->size
* 100ULL;
141 int fsz
= file
->size
;
147 fsize
= (fsize
+ 512) / 1024;
154 grub_uint64_t whole
, fraction
;
156 whole
= grub_divmod64 (fsize
, 100, &fraction
);
157 grub_snprintf (buf
, sizeof (buf
),
158 "%" PRIuGRUB_UINT64_T
159 ".%02" PRIuGRUB_UINT64_T
"%c", whole
, fraction
,
160 grub_human_sizes
[units
]);
161 grub_printf ("%-12s", buf
);
164 grub_printf ("%-12llu", (unsigned long long) file
->size
);
167 grub_file_close (file
);
168 grub_free (pathname
);
171 grub_printf ("%-12s", "DIR");
175 struct grub_datetime datetime
;
176 grub_unixtime2datetime (info
->mtime
, &datetime
);
178 grub_printf (" %d-%02d-%02d %02d:%02d:%02d %-11s ",
179 datetime
.year
, datetime
.month
, datetime
.day
,
180 datetime
.hour
, datetime
.minute
,
182 grub_get_weekday_name (&datetime
));
184 grub_printf (" %04d%02d%02d%02d%02d%02d ",
185 datetime
.year
, datetime
.month
,
186 datetime
.day
, datetime
.hour
,
187 datetime
.minute
, datetime
.second
);
189 grub_printf ("%s%s\n", filename
, info
->dir
? "/" : "");
194 device_name
= grub_file_get_device_name (dirname
);
195 dev
= grub_device_open (device_name
);
199 fs
= grub_fs_probe (dev
);
200 path
= grub_strchr (dirname
, ')');
206 if (! path
&& ! device_name
)
208 grub_error (GRUB_ERR_BAD_ARGUMENT
, "invalid argument");
214 if (grub_errno
== GRUB_ERR_UNKNOWN_FS
)
215 grub_errno
= GRUB_ERR_NONE
;
217 grub_normal_print_device_info (device_name
);
222 (fs
->dir
) (dev
, path
, print_files_long
);
224 (fs
->dir
) (dev
, path
, print_files
);
226 if (grub_errno
== GRUB_ERR_BAD_FILE_TYPE
227 && path
[grub_strlen (path
) - 1] != '/')
229 /* PATH might be a regular file. */
232 struct grub_dirhook_info info
;
235 grub_file_filter_disable_compression ();
236 file
= grub_file_open (dirname
);
240 grub_file_close (file
);
242 p
= grub_strrchr (dirname
, '/') + 1;
243 dirname
= grub_strndup (dirname
, p
- dirname
);
248 grub_memset (&info
, 0, sizeof (info
));
250 print_files_long (p
, &info
);
252 print_files (p
, &info
);
257 if (grub_errno
== GRUB_ERR_NONE
)
265 grub_device_close (dev
);
267 grub_free (device_name
);
273 grub_cmd_ls (grub_extcmd_context_t ctxt
, int argc
, char **args
)
275 struct grub_arg_list
*state
= ctxt
->state
;
279 grub_ls_list_devices (state
[0].set
);
281 for (i
= 0; i
< argc
; i
++)
282 grub_ls_list_files (args
[i
], state
[0].set
, state
[2].set
,
288 static grub_extcmd_t cmd
;
292 cmd
= grub_register_extcmd ("ls", grub_cmd_ls
, 0,
293 N_("[-l|-h|-a] [FILE ...]"),
294 N_("List devices and files."), options
);
299 grub_unregister_extcmd (cmd
);