normal/misc.c

   1 /* misc.c - miscellaneous functions */
   2 /*
   3  *  GRUB  --  GRand Unified Bootloader
   4  *  Copyright (C) 2005,2007,2008  Free Software Foundation, Inc.
   5  *
   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.
  10  *
  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.
  15  *
  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/>.
  18  */
  19
  20 #include <grub/normal.h>
  21 #include <grub/disk.h>
  22 #include <grub/fs.h>
  23 #include <grub/err.h>
  24 #include <grub/misc.h>
  25 #include <grub/mm.h>
  26 #include <grub/datetime.h>
  27
  28 /* Print the information on the device NAME.  */
  29 grub_err_t
  30 grub_normal_print_device_info (const char *name)
  31 {
  32   grub_device_t dev;
  33   char *p;
  34
  35   p = grub_strchr (name, ',');
  36   if (p)
  37     grub_printf ("\tPartition %s: ", name);
  38   else
  39     grub_printf ("Device %s: ", name);
  40
  41   dev = grub_device_open (name);
  42   if (! dev)
  43     grub_printf ("Filesystem cannot be accessed");
  44   else if (dev->disk)
  45     {
  46       grub_fs_t fs;
  47
  48       fs = grub_fs_probe (dev);
  49       /* Ignore all errors.  */
  50       grub_errno = 0;
  51
  52       if (fs)
  53         {
  54           grub_printf ("Filesystem type %s", fs->name);
  55           if (fs->label)
  56             {
  57               char *label;
  58               (fs->label) (dev, &label);
  59               if (grub_errno == GRUB_ERR_NONE)
  60                 {
  61                   if (label && grub_strlen (label))
  62                     grub_printf (", Label %s", label);
  63                   grub_free (label);
  64                 }
  65               grub_errno = GRUB_ERR_NONE;
  66             }
  67           if (fs->mtime)
  68             {
  69               grub_int32_t tm;
  70               struct grub_datetime datetime;
  71               (fs->mtime) (dev, &tm);
  72               if (grub_errno == GRUB_ERR_NONE)
  73                 {
  74                   grub_unixtime2datetime (tm, &datetime);
  75                   grub_printf (", Last modification time %d-%02d-%02d "
  76                                "%02d:%02d:%02d %s",
  77                                datetime.year, datetime.month, datetime.day,
  78                                datetime.hour, datetime.minute, datetime.second,
  79                                grub_get_weekday_name (&datetime));
  80
  81                 }
  82               grub_errno = GRUB_ERR_NONE;
  83             }
  84           if (fs->uuid)
  85             {
  86               char *uuid;
  87               (fs->uuid) (dev, &uuid);
  88               if (grub_errno == GRUB_ERR_NONE)
  89                 {
  90                   if (uuid && grub_strlen (uuid))
  91                     grub_printf (", UUID %s", uuid);
  92                   grub_free (uuid);
  93                 }
  94               grub_errno = GRUB_ERR_NONE;
  95             }
  96         }
  97       else if (! dev->disk->has_partitions || dev->disk->partition)
  98         grub_printf ("Unknown filesystem");
  99       else
 100         grub_printf ("Partition table");
 101
 102       grub_device_close (dev);
 103     }
 104
 105   grub_printf ("\n");
 106   return grub_errno;
 107 }