util/grub-file.c

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 2010,2012,2013 Free Software Foundation, Inc.
   4  *
   5  *  GRUB is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  GRUB is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #include <config.h>
  21
  22 #include <grub/util/misc.h>
  23 #include <grub/i18n.h>
  24 #include <grub/term.h>
  25 #include <grub/font.h>
  26 #include <grub/gfxmenu_view.h>
  27 #include <grub/color.h>
  28 #include <grub/util/install.h>
  29 #include <grub/command.h>
  30 #include <grub/env.h>
  31
  32 #define _GNU_SOURCE     1
  33
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37 #include <unistd.h>
  38 #include <errno.h>
  39
  40 #include "progname.h"
  41
  42 void grub_file_init (void);
  43 void grub_host_init (void);
  44 void grub_hostfs_init (void);
  45
  46 int
  47 main (int argc, char *argv[])
  48 {
  49   char **argv2;
  50   int i;
  51   int had_file = 0, had_separator = 0;
  52   grub_command_t cmd;
  53   grub_err_t err;
  54
  55   grub_util_host_init (&argc, &argv);
  56
  57   argv2 = xcalloc (argc, sizeof (argv2[0]));
  58
  59   if (argc == 2 && strcmp (argv[1], "--version") == 0)
  60     {
  61       printf ("%s (%s) %s\n", program_name, PACKAGE_NAME, PACKAGE_VERSION);
  62     }
  63
  64   for (i = 1; i < argc; i++)
  65     {
  66       if (argv[i][0] == '-' && argv[i][1] == '-'
  67           && argv[i][2] == '\0' && !had_separator)
  68         {
  69           had_separator = 1;
  70           argv2[i - 1] = xstrdup (argv[i]);
  71           continue;
  72         }
  73       if (argv[i][0] == '-' && !had_separator)
  74         {
  75           argv2[i - 1] = xstrdup (argv[i]);
  76           continue;
  77         }
  78       if (had_file)
  79         grub_util_error ("one argument expected");
  80       argv2[i - 1] = grub_canonicalize_file_name (argv[i]);
  81       if (!argv2[i - 1])
  82         {
  83           grub_util_error (_("cannot open `%s': %s"), argv[i],
  84                            strerror (errno));
  85         }
  86       had_file = 1;
  87     }
  88   argv2[i - 1] = NULL;
  89
  90   /* Initialize all modules. */
  91   grub_init_all ();
  92   grub_file_init ();
  93   grub_hostfs_init ();
  94   grub_host_init ();
  95
  96   grub_env_set ("root", "host");
  97
  98   cmd = grub_command_find ("file");
  99   if (! cmd)
 100     grub_util_error (_("can't find command `%s'"), "file");
 101
 102   err = (cmd->func) (cmd, argc - 1, argv2);
 103   if (err && err != GRUB_ERR_TEST_FAILURE)
 104     grub_print_error ();
 105   return err;
 106 }