diff options
Diffstat (limited to 'grub-core/normal/misc.c')
| -rw-r--r-- | grub-core/normal/misc.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/grub-core/normal/misc.c b/grub-core/normal/misc.c new file mode 100644 index 0000000..f7e9e3a --- /dev/null +++ b/grub-core/normal/misc.c @@ -0,0 +1,194 @@ +/* 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->fs_label) + { + char *label; + (fs->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->fs_mtime) + { + grub_int64_t tm; + struct grub_datetime datetime; + (fs->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->fs_uuid) + { + char *uuid; + (fs->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_native_sectors (dev->disk) == GRUB_DISK_SIZE_UNKNOWN) + grub_puts_ (N_(" - Total size unknown")); + else + grub_printf (_(" - Total size %llu%sKiB"), + (unsigned long long) (grub_disk_native_sectors (dev->disk) >> 1), + /* TRANSLATORS: Replace dot with appropriate decimal separator for + your language. */ + (grub_disk_native_sectors (dev->disk) & 1) ? _(".5") : ""); + } + + if (dev) + grub_device_close (dev); + + grub_xputs ("\n"); + return grub_errno; +} |