/* Open a stream with a given file descriptor.

   Copyright (C) 2011-2017 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/>.  */

#include <config.h>

/* Specification.  */

#include <stdio.h>

#include <errno.h>

#if HAVE_MSVC_INVALID_PARAMETER_HANDLER

# include "msvc-inval.h"

#endif

#undef fdopen

#if HAVE_MSVC_INVALID_PARAMETER_HANDLER

static FILE *

fdopen_nothrow (int fd, const char *mode)

{

  FILE *result;

  TRY_MSVC_INVAL

    {

      result = fdopen (fd, mode);

    }

  CATCH_MSVC_INVAL

    {

      result = NULL;

    }

  DONE_MSVC_INVAL;

  return result;

}

#else

# define fdopen_nothrow fdopen

#endif

FILE *

rpl_fdopen (int fd, const char *mode)

{

  int saved_errno = errno;

  FILE *fp;

  errno = 0;

  fp = fdopen_nothrow (fd, mode);

  if (fp == NULL)

    {

      if (errno == 0)

        errno = EBADF;

    }

  else

    errno = saved_errno;

  return fp;

}