/* Specializations for error functions.

   Copyright (C) 2007-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#ifndef	_ERROR_H

# error "Never include <bits/error.h> directly; use <error.h> instead."

#endif

extern void __REDIRECT (__error_alias, (int __status, int __errnum,

					const char *__format, ...),

			error)

  __attribute__ ((__format__ (__printf__, 3, 4)));

extern void __REDIRECT (__error_noreturn, (int __status, int __errnum,

					   const char *__format, ...),

			error)

  __attribute__ ((__noreturn__, __format__ (__printf__, 3, 4)));

/* If we know the function will never return make sure the compiler

   realizes that, too.  */

__extern_always_inline void

error (int __status, int __errnum, const char *__format, ...)

{

  if (__builtin_constant_p (__status) && __status != 0)

    __error_noreturn (__status, __errnum, __format, __va_arg_pack ());

  else

    __error_alias (__status, __errnum, __format, __va_arg_pack ());

}

extern void __REDIRECT (__error_at_line_alias, (int __status, int __errnum,

						const char *__fname,

						unsigned int __line,

						const char *__format, ...),

			error_at_line)

  __attribute__ ((__format__ (__printf__, 5, 6)));

extern void __REDIRECT (__error_at_line_noreturn, (int __status, int __errnum,

						   const char *__fname,

						   unsigned int __line,

						   const char *__format,

						   ...),

			error_at_line)

  __attribute__ ((__noreturn__, __format__ (__printf__, 5, 6)));

/* If we know the function will never return make sure the compiler

   realizes that, too.  */

__extern_always_inline void

error_at_line (int __status, int __errnum, const char *__fname,

	       unsigned int __line, const char *__format, ...)

{

  if (__builtin_constant_p (__status) && __status != 0)

    __error_at_line_noreturn (__status, __errnum, __fname, __line, __format,

			      __va_arg_pack ());

  else

    __error_at_line_alias (__status, __errnum, __fname, __line,

			   __format, __va_arg_pack ());

}