/* err.h - error numbers and prototypes */
/*
 *  GRUB  --  GRand Unified Bootloader
 *  Copyright (C) 2002,2005,2007,2008 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_ERR_HEADER
#define GRUB_ERR_HEADER	1

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

#define GRUB_MAX_ERRMSG		256

typedef enum
  {
    GRUB_ERR_NONE = 0,
    GRUB_ERR_TEST_FAILURE,
    GRUB_ERR_BAD_MODULE,
    GRUB_ERR_OUT_OF_MEMORY,
    GRUB_ERR_BAD_FILE_TYPE,
    GRUB_ERR_FILE_NOT_FOUND,
    GRUB_ERR_FILE_READ_ERROR,
    GRUB_ERR_BAD_FILENAME,
    GRUB_ERR_UNKNOWN_FS,
    GRUB_ERR_BAD_FS,
    GRUB_ERR_BAD_NUMBER,
    GRUB_ERR_OUT_OF_RANGE,
    GRUB_ERR_UNKNOWN_DEVICE,
    GRUB_ERR_BAD_DEVICE,
    GRUB_ERR_READ_ERROR,
    GRUB_ERR_WRITE_ERROR,
    GRUB_ERR_UNKNOWN_COMMAND,
    GRUB_ERR_INVALID_COMMAND,
    GRUB_ERR_BAD_ARGUMENT,
    GRUB_ERR_BAD_PART_TABLE,
    GRUB_ERR_UNKNOWN_OS,
    GRUB_ERR_BAD_OS,
    GRUB_ERR_NO_KERNEL,
    GRUB_ERR_BAD_FONT,
    GRUB_ERR_NOT_IMPLEMENTED_YET,
    GRUB_ERR_SYMLINK_LOOP,
    GRUB_ERR_BAD_COMPRESSED_DATA,
    GRUB_ERR_MENU,
    GRUB_ERR_TIMEOUT,
    GRUB_ERR_IO,
    GRUB_ERR_ACCESS_DENIED,
    GRUB_ERR_EXTRACTOR,
    GRUB_ERR_NET_BAD_ADDRESS,
    GRUB_ERR_NET_ROUTE_LOOP,
    GRUB_ERR_NET_NO_ROUTE,
    GRUB_ERR_NET_NO_ANSWER,
    GRUB_ERR_NET_NO_CARD,
    GRUB_ERR_WAIT,
    GRUB_ERR_BUG,
    GRUB_ERR_NET_PORT_CLOSED,
    GRUB_ERR_NET_INVALID_RESPONSE,
    GRUB_ERR_NET_UNKNOWN_ERROR,
    GRUB_ERR_NET_PACKET_TOO_BIG,
    GRUB_ERR_NET_NO_DOMAIN,
    GRUB_ERR_EOF,
    GRUB_ERR_BAD_SIGNATURE,
    GRUB_VD_VHD_INVALID_HEADER,
    GRUB_VD_BLOCK_FREE
  }
grub_err_t;

struct grub_error_saved
{
  grub_err_t grub_errno;
  char errmsg[GRUB_MAX_ERRMSG];
};

extern grub_err_t EXPORT_VAR(grub_errno);
extern char EXPORT_VAR(grub_errmsg)[GRUB_MAX_ERRMSG];

grub_err_t EXPORT_FUNC(grub_error) (grub_err_t n, const char *fmt, ...)
    __attribute__ ((format (GNU_PRINTF, 2, 3)));
void EXPORT_FUNC(grub_fatal) (const char *fmt, ...) __attribute__ ((noreturn));
void EXPORT_FUNC(grub_error_push) (void);
int EXPORT_FUNC(grub_error_pop) (void);
void EXPORT_FUNC(grub_print_error) (void);
extern int EXPORT_VAR(grub_err_printed_errors);
int grub_err_printf (const char *fmt, ...)
     __attribute__ ((format (GNU_PRINTF, 1, 2)));

#endif /* ! GRUB_ERR_HEADER */
