support/xfreopen.c

   1 /* freopen with error checking.
   2    Copyright (C) 2023-2024 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 #include <support/xstdio.h>
  20
  21 #include <support/check.h>
  22 #include <stdlib.h>
  23
  24 FILE *
  25 xfreopen (const char *path, const char *mode, FILE *stream)
  26 {
  27   FILE *fp = freopen (path, mode, stream);
  28   if (fp == NULL)
  29     FAIL_EXIT1 ("could not open %s (mode \"%s\"): %m", path, mode);
  30   return fp;
  31 }