/* Specializations for error functions.
Copyright (C) 2007 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */

#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 ());
}