grub/commands/ls.c
phcoder 05aaebfb7b 2009-04-05 Vladimir Serbinenko <phcoder@gmail.com>
Support for mtime and further expandability of dir command

	* include/grub/lib/datetime.h: moved to ...
	* include/grub/datetime.h: ... moved here and added 
	declaration of grub_unixtime2datetime. All users updated
	* include/grub/fs.h: new syntax for dir and mtime functionin 
	struct grub_fs 
	* include/grub/fshelp.h: new declarations of GRUB_FSHELP_TYPE_MASK
	and GRUB_FSHELP_FLAGS_MASK
	* commands/ls.c (grub_ls_list_files): Write mtime in long format
	* fs/ext2.c (grub_ext2_dir): use new dir syntax and supply mtime
	(grub_ext2_mtime): new function
	* fs/hfsplus.c (grub_hfsplus_dir): use new dir syntax and supply mtime
	(grub_hfsplus_mtime): new function
	* fs/ufs.c (GRUB_UFS_ATTR_TYPE): new definition
	(GRUB_UFS_ATTR_FILE): likewise
	(GRUB_UFS_ATTR_LNK): likewise
	(struct grub_ufs_sblock): new fields mtime
	(grub_ufs_read_inode): new parameter to read inode to a separate buffer
	all users updated
	(grub_ufs_dir): mtime support
	(grub_ufs_mtime): new function
	* fs/affs.c (grub_affs_dir): use new dir syntax
	* fs/afs.c (grub_afs_dir): likewise
	* fs/cpio.c (grub_cpio_dir): likewise
	* fs/fat.c (grub_fat_find_dir): likewise
	* fs/hfs.c (grub_hfs_dir): likewise
	* fs/iso9660.c (grub_iso9660_dir): likewise
	* fs/jfs.c (grub_jfs_dir): likewise
	* fs/minix.c (grub_minix_dir): likewise
	* fs/ntfs.c (grub_ntfs_dir): likewise
	* fs/reiserfs.c (grub_reiserfs_dir): likewise
	* fs/sfs.c (grub_sfs_dir): likewise
	* fs/xfs.c (grub_xfs_dir): likewise
	* util/hostfs.c (grub_hostfs_dir): likewise
	* lib/datetime.c: moved to ...
	* normal/datetime.c: ... moved here
	(grub_unixtime2datetime): new function
	* kern/rescue.c (grub_rescue_print_files): use new dir syntax
	* normal/completition.c (iterate_dir): use new dir syntax
	* normal/misc.c (grub_normal_print_device_info): tell the 
	last modification time of a volume
	* kern/fs.c (grub_fs_probe): updated dummy function to use new syntax 
	* conf/common.rmk: added lib/datetime.c to ls.mod
	* conf/i386-coreboot.rmk (grub_emu_SOURCES): add normal/datetime.c  
	(normal_mod_SOURCES): likewise
	(datetime_mod_SOURCES): Removed lib/datetime.c
	* conf/i386-efi.rmk: likewise
	* conf/i386-ieee1275.rmk: likewise	
	* conf/i386-pc.rmk: likewise
	* conf/powerpc-ieee1275.rmk: likewise
	* conf/sparc64-ieee1275.rmk: likewise	
	* conf/x86_64-efi.rmk: likewise
2009-04-05 20:19:05 +00:00

271 lines
6.3 KiB
C

/* ls.c - command to list files and devices */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2003,2005,2007,2008 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/types.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/err.h>
#include <grub/dl.h>
#include <grub/disk.h>
#include <grub/device.h>
#include <grub/term.h>
#include <grub/partition.h>
#include <grub/file.h>
#include <grub/normal.h>
#include <grub/extcmd.h>
#include <grub/datetime.h>
static const struct grub_arg_option options[] =
{
{"long", 'l', 0, "show a long list with more detailed information", 0, 0},
{"human-readable", 'h', 0, "print sizes in a human readable format", 0, 0},
{"all", 'a', 0, "list all files", 0, 0},
{0, 0, 0, 0, 0, 0}
};
static const char grub_human_sizes[] = {' ', 'K', 'M', 'G', 'T'};
static grub_err_t
grub_ls_list_devices (int longlist)
{
auto int grub_ls_print_devices (const char *name);
int grub_ls_print_devices (const char *name)
{
if (longlist)
grub_normal_print_device_info (name);
else
grub_printf ("(%s) ", name);
return 0;
}
grub_device_iterate (grub_ls_print_devices);
grub_putchar ('\n');
grub_refresh ();
return 0;
}
static grub_err_t
grub_ls_list_files (char *dirname, int longlist, int all, int human)
{
char *device_name;
grub_fs_t fs;
const char *path;
grub_device_t dev;
auto int print_files (const char *filename,
const struct grub_dirhook_info *info);
auto int print_files_long (const char *filename,
const struct grub_dirhook_info *info);
int print_files (const char *filename, const struct grub_dirhook_info *info)
{
if (all || filename[0] != '.')
grub_printf ("%s%s ", filename, info->dir ? "/" : "");
return 0;
}
int print_files_long (const char *filename,
const struct grub_dirhook_info *info)
{
char pathname[grub_strlen (dirname) + grub_strlen (filename) + 1];
if ((! all) && (filename[0] == '.'))
return 0;
if (! info->dir)
{
grub_file_t file;
if (dirname[grub_strlen (dirname) - 1] == '/')
grub_sprintf (pathname, "%s%s", dirname, filename);
else
grub_sprintf (pathname, "%s/%s", dirname, filename);
/* XXX: For ext2fs symlinks are detected as files while they
should be reported as directories. */
file = grub_file_open (pathname);
if (! file)
{
grub_errno = 0;
return 0;
}
if (! human)
grub_printf ("%-12llu", (unsigned long long) file->size);
else
{
grub_uint64_t fsize = file->size * 100ULL;
int fsz = file->size;
int units = 0;
char buf[20];
while (fsz / 1024)
{
fsize = (fsize + 512) / 1024;
fsz /= 1024;
units++;
}
if (units)
{
grub_uint32_t whole, fraction;
whole = grub_divmod64 (fsize, 100, &fraction);
grub_sprintf (buf, "%u.%02u%c", whole, fraction,
grub_human_sizes[units]);
grub_printf ("%-12s", buf);
}
else
grub_printf ("%-12llu", (unsigned long long) file->size);
}
grub_file_close (file);
}
else
grub_printf ("%-12s", "DIR");
if (info->mtimeset)
{
struct grub_datetime datetime;
grub_unixtime2datetime (info->mtime, &datetime);
if (human)
grub_printf (" %d-%02d-%02d %02d:%02d:%02d %-11s ",
datetime.year, datetime.month, datetime.day,
datetime.hour, datetime.minute,
datetime.second,
grub_get_weekday_name (&datetime));
else
grub_printf (" %04d%02d%02d%02d%02d%02d ",
datetime.year, datetime.month,
datetime.day, datetime.hour,
datetime.minute, datetime.second);
}
grub_printf ("%s%s\n", filename, info->dir ? "/" : "");
return 0;
}
device_name = grub_file_get_device_name (dirname);
dev = grub_device_open (device_name);
if (! dev)
goto fail;
fs = grub_fs_probe (dev);
path = grub_strchr (dirname, ')');
if (! path)
path = dirname;
else
path++;
if (! path && ! device_name)
{
grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid argument");
goto fail;
}
if (! *path)
{
if (grub_errno == GRUB_ERR_UNKNOWN_FS)
grub_errno = GRUB_ERR_NONE;
grub_normal_print_device_info (device_name);
}
else if (fs)
{
if (longlist)
(fs->dir) (dev, path, print_files_long);
else
(fs->dir) (dev, path, print_files);
if (grub_errno == GRUB_ERR_BAD_FILE_TYPE
&& path[grub_strlen (path) - 1] != '/')
{
/* PATH might be a regular file. */
char *p;
grub_file_t file;
struct grub_dirhook_info info;
grub_errno = 0;
file = grub_file_open (dirname);
if (! file)
goto fail;
grub_file_close (file);
p = grub_strrchr (dirname, '/') + 1;
dirname = grub_strndup (dirname, p - dirname);
if (! dirname)
goto fail;
all = 1;
grub_memset (&info, 0, sizeof (info));
if (longlist)
print_files_long (p, &info);
else
print_files (p, &info);
grub_free (dirname);
}
if (grub_errno == GRUB_ERR_NONE)
grub_putchar ('\n');
grub_refresh ();
}
fail:
if (dev)
grub_device_close (dev);
grub_free (device_name);
return 0;
}
static grub_err_t
grub_cmd_ls (grub_extcmd_t cmd, int argc, char **args)
{
struct grub_arg_list *state = cmd->state;
if (argc == 0)
grub_ls_list_devices (state[0].set);
else
grub_ls_list_files (args[0], state[0].set, state[2].set,
state[1].set);
return 0;
}
static grub_extcmd_t cmd;
GRUB_MOD_INIT(ls)
{
(void)mod; /* To stop warning. */
cmd = grub_register_extcmd ("ls", grub_cmd_ls, GRUB_COMMAND_FLAG_BOTH,
"ls [-l|-h|-a] [FILE]",
"List devices and files.", options);
}
GRUB_MOD_FINI(ls)
{
grub_unregister_extcmd (cmd);
}