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/* Open a stream with a given file descriptor.
   Copyright (C) 2011-2013 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;
}