/* Copyright (C) 2008  Emmanuel Varoquaux

   This file is part of XOS.

   This program 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.

   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>. */

#ifndef ERROR_H
#define ERROR_H

#include <error.h>
#include <stdlib.h>

extern void (*error_func)(int, int, const char *, ...) __attribute__ ((format (printf, 3, 4)));

#define fail() exit(EXIT_FAILURE)

#define fatal_sys_error(errnum, ...)    (error_func(EXIT_FAILURE, (errnum), __VA_ARGS__), fail())
#define fatal_error(...)                (error_func(EXIT_FAILURE, 0, __VA_ARGS__), fail())
#define nonfatal_sys_error(errnum, ...) error_func(0, (errnum), __VA_ARGS__)
#define nonfatal_error(...)             error_func(0, 0, __VA_ARGS__)

#define file_error(filename, msg)       fatal_error("%s: %s", (filename), (msg))
#define file_error_errno(filename, msg) fatal_sys_error(errno, "%s: %s", (filename), (msg));

#endif