source: kBuild/vendor/grep/2.12/gnulib-tests/test-fdopen.c@ 3576

/* Test opening a stream with a file descriptor.
   Copyright (C) 2011-2012 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>

#include <stdio.h>

#include "signature.h"
SIGNATURE_CHECK (fdopen, FILE *, (int, const char *));

#include <errno.h>

#include "macros.h"

int
main (void)
{
  /* Test behaviour for invalid file descriptors.  */
  {
    FILE *fp;

    errno = 0;
    fp = fdopen (-1, "r");
    if (fp == NULL)
      ASSERT (errno == EBADF);
    else
      fclose (fp);
  }
  {
    FILE *fp;

    errno = 0;
    fp = fdopen (99, "r");
    if (fp == NULL)
      ASSERT (errno == EBADF);
    else
      fclose (fp);
  }

  return 0;
}