1  /* Redirections for error.h functions for -mlong-double-64.
       2     Copyright (C) 2019-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #ifndef _ERROR_H
      20  # error "Never include <bits/error-ldbl.h> directly; use <error.h> instead."
      21  #endif
      22  
      23  #if defined __extern_always_inline && defined __va_arg_pack
      24  extern void __REDIRECT_LDBL (__error_alias, (int __status, int __errnum,
      25  			     const char *__format, ...), error)
      26    __attribute__ ((__format__ (__printf__, 3, 4)));
      27  extern void __REDIRECT_LDBL (__error_noreturn, (int __status, int __errnum,
      28  			     const char *__format, ...), error)
      29    __attribute__ ((__noreturn__, __format__ (__printf__, 3, 4)));
      30  
      31  
      32  /* If we know the function will never return make sure the compiler
      33     realizes that, too.  */
      34  __extern_always_inline void
      35  error (int __status, int __errnum, const char *__format, ...)
      36  {
      37    if (__builtin_constant_p (__status) && __status != 0)
      38      __error_noreturn (__status, __errnum, __format, __va_arg_pack ());
      39    else
      40      __error_alias (__status, __errnum, __format, __va_arg_pack ());
      41  }
      42  
      43  
      44  extern void __REDIRECT_LDBL (__error_at_line_alias, (int __status, int __errnum,
      45  			     const char *__fname, unsigned int __line,
      46  			     const char *__format, ...), error_at_line)
      47    __attribute__ ((__format__ (__printf__, 5, 6)));
      48  extern void __REDIRECT_LDBL (__error_at_line_noreturn, (int __status, int __errnum,
      49  			     const char *__fname, unsigned int __line,
      50  			     const char *__format, ...), error_at_line)
      51    __attribute__ ((__noreturn__, __format__ (__printf__, 5, 6)));
      52  
      53  
      54  /* If we know the function will never return make sure the compiler
      55     realizes that, too.  */
      56  __extern_always_inline void
      57  error_at_line (int __status, int __errnum, const char *__fname,
      58  	       unsigned int __line, const char *__format, ...)
      59  {
      60    if (__builtin_constant_p (__status) && __status != 0)
      61      __error_at_line_noreturn (__status, __errnum, __fname, __line, __format,
      62  			      __va_arg_pack ());
      63    else
      64      __error_at_line_alias (__status, __errnum, __fname, __line,
      65  			   __format, __va_arg_pack ());
      66  }
      67  #endif
      68  __LDBL_REDIR_DECL (error)
      69  __LDBL_REDIR_DECL (error_at_line)