/*
 *  GRUB  --  GRand Unified Bootloader
 *  Copyright (C) 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/>.
 */

#ifndef GRUB_EMU_HOSTFILE_H
#define GRUB_EMU_HOSTFILE_H 1

#include <config.h>
#include <stdarg.h>

#include <grub/symbol.h>
#include <grub/types.h>

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <dirent.h>
#include <unistd.h>
#include <stdio.h>

typedef struct dirent *grub_util_fd_dirent_t;
typedef DIR *grub_util_fd_dir_t;

static inline grub_util_fd_dir_t
grub_util_fd_opendir (const char *name)
{
  return opendir (name);
}

static inline void
grub_util_fd_closedir (grub_util_fd_dir_t dirp)
{
  closedir (dirp);
}

static inline grub_util_fd_dirent_t
grub_util_fd_readdir (grub_util_fd_dir_t dirp)
{
  return readdir (dirp);
}

static inline int
grub_util_unlink (const char *pathname)
{
  return unlink (pathname);
}

static inline int
grub_util_rmdir (const char *pathname)
{
  return rmdir (pathname);
}

static inline int
grub_util_rename (const char *from, const char *to)
{
  return rename (from, to);
}

static inline ssize_t
grub_util_readlink (const char *name, char *buf, size_t bufsize)
{
  return readlink(name, buf, bufsize);
}

#define grub_util_mkdir(a) mkdir ((a), 0755)

#if defined (__NetBSD__)
/* NetBSD uses /boot for its boot block.  */
# define DEFAULT_DIRECTORY	"/"GRUB_DIR_NAME
#else
# define DEFAULT_DIRECTORY	"/"GRUB_BOOT_DIR_NAME"/"GRUB_DIR_NAME
#endif

enum grub_util_fd_open_flags_t
  {
    GRUB_UTIL_FD_O_RDONLY = O_RDONLY,
    GRUB_UTIL_FD_O_WRONLY = O_WRONLY,
    GRUB_UTIL_FD_O_RDWR = O_RDWR,
    GRUB_UTIL_FD_O_CREATTRUNC = O_CREAT | O_TRUNC,
    GRUB_UTIL_FD_O_SYNC = (0
#ifdef O_SYNC
			   | O_SYNC
#endif
#ifdef O_FSYNC
			   | O_FSYNC
#endif
			   )
  };

#define DEFAULT_DEVICE_MAP	DEFAULT_DIRECTORY "/device.map"

typedef int grub_util_fd_t;
#define GRUB_UTIL_FD_INVALID -1
#define GRUB_UTIL_FD_IS_VALID(x) ((x) >= 0)
#define GRUB_UTIL_FD_STAT_IS_FUNCTIONAL 1

#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__NetBSD__) || defined (__sun__) || defined(__OpenBSD__) || defined(__HAIKU__)
#define GRUB_DISK_DEVS_ARE_CHAR 1
#else
#define GRUB_DISK_DEVS_ARE_CHAR 0
#endif

#endif