grub/util/grub-file.c

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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2010,2012,2013 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 <config.h>
#include <grub/util/misc.h>
#include <grub/i18n.h>
#include <grub/term.h>
#include <grub/font.h>
#include <grub/gfxmenu_view.h>
#include <grub/color.h>
#include <grub/util/install.h>
#include <grub/command.h>
#include <grub/env.h>
#define _GNU_SOURCE 1
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <argp.h>
#include <unistd.h>
#include <errno.h>
#include "progname.h"
void grub_file_init (void);
void grub_host_init (void);
void grub_hostfs_init (void);
int
main (int argc, char *argv[])
{
char **argv2;
int i;
int had_file = 0, had_separator = 0;
grub_command_t cmd;
grub_err_t err;
grub_util_host_init (&argc, &argv);
argv2 = xmalloc (argc * sizeof (argv));
if (argc == 2 && strcmp (argv[1], "--version") == 0)
{
printf ("%s (%s) %s\n", program_name, PACKAGE_NAME, PACKAGE_VERSION);
}
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '-' && argv[i][1] == '-'
&& argv[i][2] == '\0' && !had_separator)
{
had_separator = 1;
argv2[i - 1] = xstrdup (argv[i]);
continue;
}
if (argv[i][0] == '-' && !had_separator)
{
argv2[i - 1] = xstrdup (argv[i]);
continue;
}
if (had_file)
grub_util_error ("multiple files specified");
argv2[i - 1] = canonicalize_file_name (argv[i]);
if (!argv2[i - 1])
{
grub_util_error (_("cannot open `%s': %s"), argv[i],
strerror (errno));
}
had_file = 1;
}
argv2[i - 1] = NULL;
/* Initialize all modules. */
grub_init_all ();
grub_file_init ();
grub_hostfs_init ();
grub_host_init ();
grub_env_set ("root", "host");
cmd = grub_command_find ("file");
if (! cmd)
grub_util_error (_("can't find command `%s'"), "file");
err = (cmd->func) (cmd, argc - 1, argv2);
if (err && err != GRUB_ERR_TEST_FAILURE)
grub_print_error ();
return err;
}