view lib/freopen.c @ 11653:ecb384fccb5b

fpurge: migrate into <stdio.h> * lib/fpurge.h: Delete... * lib/stdio.in.h (fpurge): ...and declare here, instead. * lib/fpurge.c (fpurge): Change declaring header. * modules/fpurge (Files): Drop deleted file. (Depends-on): Add stdio. (configure.ac): Set witness. * modules/stdio (Makefile.am): Support fpurge macros. * m4/stdio_h.m4 (gl_STDIO_H_DEFAULTS): Likewise. * m4/fpurge.m4 (gl_FUNC_FPURGE): Set appropriate variables. * lib/fflush.c: Update client. * tests/test-fpurge.c: Likewise. * NEWS: Mention the change. Signed-off-by: Eric Blake <ebb9@byu.net>
author Eric Blake <ebb9@byu.net>
date Wed, 24 Jun 2009 06:49:00 -0600
parents 81789aaf2d0b
children b5e42ef33b49
line wrap: on
line source

/* Open a stream to a file.
   Copyright (C) 2007-2008 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2007.  */

#include <config.h>

/* Get the original definition of freopen.  It might be defined as a macro.  */
#define __need_FILE
#include <stdio.h>
#undef __need_FILE

static inline FILE *
orig_freopen (const char *filename, const char *mode, FILE *stream)
{
  return freopen (filename, mode, stream);
}

/* Specification.  */
#include <stdio.h>

#include <string.h>

FILE *
rpl_freopen (const char *filename, const char *mode, FILE *stream)
{
#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
  if (strcmp (filename, "/dev/null") == 0)
    filename = "NUL";
#endif

  return orig_freopen (filename, mode, stream);
}