1  /* Use of program name in error-reporting functions.
       2     Copyright (C) 2001-2003, 2006, 2019, 2023 Free Software Foundation, Inc.
       3     Written by Bruno Haible <haible@clisp.cons.org>, 2001.
       4  
       5     This program is free software: you can redistribute it and/or modify
       6     it under the terms of the GNU General Public License as published by
       7     the Free Software Foundation; either version 3 of the License, or
       8     (at your option) any later version.
       9  
      10     This program 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
      13     GNU General Public License for more details.
      14  
      15     You should have received a copy of the GNU General Public License
      16     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      17  
      18  
      19  #include <config.h>
      20  
      21  /* Specification.  */
      22  #include "error-progname.h"
      23  
      24  #include <stdio.h>
      25  #include <stdlib.h>
      26  
      27  #if IN_LIBGETTEXTPO
      28  # define program_name getprogname ()
      29  #else
      30  # include "progname.h"
      31  #endif
      32  
      33  
      34  /* Indicates whether errors and warnings get prefixed with program_name.
      35     Default is true.  */
      36  bool error_with_progname = true;
      37  
      38  /* Print program_name prefix on stderr if and only if error_with_progname
      39     is true.  */
      40  void
      41  maybe_print_progname ()
      42  {
      43    if (error_with_progname)
      44      fprintf (stderr, "%s: ", program_name);
      45  }