1  /* Open a file, reusing a given stream, with error checking.
       2     Copyright (C) 2008-2023 Free Software Foundation, Inc.
       3  
       4     This program is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU General Public License as published by
       6     the Free Software Foundation, either version 3 of the License, or
       7     (at your option) any later version.
       8  
       9     This program is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12     GNU General Public License for more details.
      13  
      14     You should have received a copy of the GNU General Public License
      15     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  #include <config.h>
      18  #include "xfreopen.h"
      19  
      20  #include <errno.h>
      21  #include "error.h"
      22  #include "exitfail.h"
      23  #include "quote.h"
      24  
      25  #include "gettext.h"
      26  #define _(msgid) gettext (msgid)
      27  
      28  void
      29  xfreopen (char const *filename, char const *mode, FILE *fp)
      30  {
      31    if (!freopen (filename, mode, fp))
      32      {
      33        char const *f = (filename ? filename
      34                         : (fp == stdin ? _("stdin")
      35                            : (fp == stdout ? _("stdout")
      36                               : (fp == stderr ? _("stderr")
      37                                  : _("unknown stream")))));
      38        error (exit_failure, errno, _("failed to reopen %s with mode %s"),
      39               quote_n (0, f), quote_n (1, mode));
      40      }
      41  }