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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2001,2002,2003,2006,2007,2008,2009,2010,2011,2012,2013 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-util.h>
#include <config.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <assert.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <dirent.h>
#include <errno.h>
#include <error.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#include <grub/types.h>
#include <grub/util/misc.h>
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/emu/misc.h>
#include <grub/emu/hostdisk.h>
#include <grub/emu/getroot.h>
#include <sys/wait.h>
# include <sys/types.h>
# include <sys/mkdev.h>
# include <sys/dkio.h>
char *
grub_util_part_to_disk (const char *os_dev,
struct stat *st,
int *is_part)
{
char *colon = grub_strrchr (os_dev, ':');
if (! S_ISCHR (st->st_mode))
{
*is_part = 0;
return xstrdup (os_dev);
}
if (grub_memcmp (os_dev, "/devices", sizeof ("/devices") - 1) == 0
&& colon)
{
char *ret = xmalloc (colon - os_dev + sizeof (":q,raw"));
if (grub_strcmp (colon, ":q,raw") != 0)
*is_part = 1;
grub_memcpy (ret, os_dev, colon - os_dev);
grub_memcpy (ret + (colon - os_dev), ":q,raw", sizeof (":q,raw"));
return ret;
}
else
return xstrdup (os_dev);
}
enum grub_dev_abstraction_types
grub_util_get_dev_abstraction_os (const char *os_dev __attribute__((unused)))
{
return GRUB_DEV_ABSTRACTION_NONE;
}
int
grub_util_pull_device_os (const char *os_dev __attribute__ ((unused)),
enum grub_dev_abstraction_types ab __attribute__ ((unused)))
{
return 0;
}
char *
grub_util_get_grub_dev_os (const char *os_dev __attribute__ ((unused)))
{
return NULL;
}
grub_disk_addr_t
grub_util_find_partition_start_os (const char *dev)
{
int fd;
struct extpart_info pinfo;
fd = open (dev, O_RDONLY);
if (fd == -1)
{
grub_error (GRUB_ERR_BAD_DEVICE, N_("cannot open `%s': %s"),
dev, strerror (errno));
return 0;
}
if (ioctl (fd, DKIOCEXTPARTINFO, &pinfo))
{
grub_error (GRUB_ERR_BAD_DEVICE,
"cannot get disk geometry of `%s'", dev);
close (fd);
return 0;
}
close (fd);
return pinfo.p_start;
}
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