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/* misc.c - miscellaneous functions */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2005,2007,2008,2009 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/normal.h>
#include <grub/disk.h>
#include <grub/fs.h>
#include <grub/err.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/datetime.h>
#include <grub/term.h>
#include <grub/i18n.h>
#include <grub/partition.h>
static const char *grub_human_sizes[3][6] =
{
/* This algorithm in reality would work only up to (2^64) / 100 B = 81 PiB.
Put here all possible suffixes it can produce so no array bounds check
is needed.
*/
/* TRANSLATORS: that's the list of binary unit prefixes. */
{ N_("B"), N_("KiB"), N_("MiB"), N_("GiB"), N_("TiB"), N_("PiB")},
/* TRANSLATORS: that's the list of binary unit prefixes. */
{ "", N_("K"), N_("M"), N_("G"), N_("T"), N_("P") },
/* TRANSLATORS: that's the list of binary unit prefixes. */
{ N_("B/s"), N_("KiB/s"), N_("MiB/s"), N_("GiB/s"), N_("TiB/s"), N_("PiB/s"), },
};
const char *
grub_get_human_size (grub_uint64_t size, enum grub_human_size_type type)
{
grub_uint64_t fsize;
unsigned units = 0;
static char buf[30];
const char *umsg;
if (type != GRUB_HUMAN_SIZE_SPEED)
fsize = size * 100ULL;
else
fsize = size;
/* Since 2^64 / 1024^5 < 102400, this can give at most 5 iterations.
So units <=5, so impossible to go past the end of array.
*/
while (fsize >= 102400)
{
fsize = (fsize + 512) / 1024;
units++;
}
umsg = _(grub_human_sizes[type][units]);
if (units || type == GRUB_HUMAN_SIZE_SPEED)
{
grub_uint64_t whole, fraction;
whole = grub_divmod64 (fsize, 100, &fraction);
grub_snprintf (buf, sizeof (buf),
"%" PRIuGRUB_UINT64_T
".%02" PRIuGRUB_UINT64_T "%s", whole, fraction,
umsg);
}
else
grub_snprintf (buf, sizeof (buf), "%llu%s", (unsigned long long) size,
umsg);
return buf;
}
/* Print the information on the device NAME. */
grub_err_t
grub_normal_print_device_info (const char *name)
{
grub_device_t dev;
char *p;
p = grub_strchr (name, ',');
if (p)
{
grub_xputs ("\t");
grub_printf_ (N_("Partition %s:"), name);
grub_xputs (" ");
}
else
{
grub_printf_ (N_("Device %s:"), name);
grub_xputs (" ");
}
dev = grub_device_open (name);
if (! dev)
grub_printf ("%s", _("Filesystem cannot be accessed"));
else if (dev->disk)
{
grub_fs_t fs;
fs = grub_fs_probe (dev);
/* Ignore all errors. */
grub_errno = 0;
if (fs)
{
const char *fsname = fs->name;
if (grub_strcmp (fsname, "ext2") == 0)
fsname = "ext*";
grub_printf_ (N_("Filesystem type %s"), fsname);
if (fs->label)
{
char *label;
(fs->label) (dev, &label);
if (grub_errno == GRUB_ERR_NONE)
{
if (label && grub_strlen (label))
{
grub_xputs (" ");
grub_printf_ (N_("- Label `%s'"), label);
}
grub_free (label);
}
grub_errno = GRUB_ERR_NONE;
}
if (fs->mtime)
{
grub_int32_t tm;
struct grub_datetime datetime;
(fs->mtime) (dev, &tm);
if (grub_errno == GRUB_ERR_NONE)
{
grub_unixtime2datetime (tm, &datetime);
grub_xputs (" ");
/* TRANSLATORS: Arguments are year, month, day, hour, minute,
second, day of the week (translated). */
grub_printf_ (N_("- Last modification time %d-%02d-%02d "
"%02d:%02d:%02d %s"),
datetime.year, datetime.month, datetime.day,
datetime.hour, datetime.minute, datetime.second,
grub_get_weekday_name (&datetime));
}
grub_errno = GRUB_ERR_NONE;
}
if (fs->uuid)
{
char *uuid;
(fs->uuid) (dev, &uuid);
if (grub_errno == GRUB_ERR_NONE)
{
if (uuid && grub_strlen (uuid))
grub_printf (", UUID %s", uuid);
grub_free (uuid);
}
grub_errno = GRUB_ERR_NONE;
}
}
else
grub_printf ("%s", _("No known filesystem detected"));
if (dev->disk->partition)
grub_printf (_(" - Partition start at %llu%sKiB"),
(unsigned long long) (grub_partition_get_start (dev->disk->partition) >> 1),
(grub_partition_get_start (dev->disk->partition) & 1) ? ".5" : "" );
else
grub_printf_ (N_(" - Sector size %uB"), 1 << dev->disk->log_sector_size);
if (grub_disk_get_size (dev->disk) == GRUB_DISK_SIZE_UNKNOWN)
grub_puts_ (N_(" - Total size unknown"));
else
grub_printf (_(" - Total size %llu%sKiB"),
(unsigned long long) (grub_disk_get_size (dev->disk) >> 1),
/* TRANSLATORS: Replace dot with appropriate decimal separator for
your language. */
(grub_disk_get_size (dev->disk) & 1) ? _(".5") : "");
}
if (dev)
grub_device_close (dev);
grub_xputs ("\n");
return grub_errno;
}
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