gl/lib/xfreopen.c

   1 /* a wrapper for frepoen
   2    Copyright (C) 2008-2009 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 <http://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 }