glibc (2.38)

(root)/
include/
error.h
       1  /* Declaration for error-reporting function
       2     Copyright (C) 1995-2023 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  #define _ERROR_H 1
      21  
      22  #include <features.h>
      23  
      24  
      25  __BEGIN_DECLS
      26  
      27  /* Print a message with `fprintf (stderr, FORMAT, ...)';
      28     if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
      29     If STATUS is nonzero, terminate the program with `exit (STATUS)'.  */
      30  
      31  extern void error (int __status, int __errnum, const char *__format, ...)
      32       __attribute__ ((__format__ (__printf__, 3, 4))) __COLD;
      33  
      34  extern void error_at_line (int __status, int __errnum, const char *__fname,
      35  			   unsigned int __lineno, const char *__format, ...)
      36       __attribute__ ((__format__ (__printf__, 5, 6))) __COLD;
      37  
      38  /* If NULL, error will flush stdout, then print on stderr the program
      39     name, a colon and a space.  Otherwise, error will call this
      40     function without parameters instead.  */
      41  extern void (*error_print_progname) (void);
      42  
      43  /* This variable is incremented each time `error' is called.  */
      44  extern unsigned int error_message_count;
      45  
      46  /* Sometimes we want to have at most one error per line.  This
      47     variable controls whether this mode is selected or not.  */
      48  extern int error_one_per_line;
      49  
      50  #include <bits/floatn.h>
      51  #if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
      52  # include <bits/error-ldbl.h>
      53  #else
      54  /* Do not inline error and error_at_line when long double has the same
      55     size of double, nor when long double reuses the float128
      56     implementation, because that would invalidate the redirections to the
      57     compatibility functions.  */
      58  # if defined __extern_always_inline && defined __va_arg_pack
      59  #  include <bits/error.h>
      60  # endif
      61  #endif
      62  
      63  __END_DECLS
      64  
      65  #endif /* error.h */