[thirdparty/glibc.git] / dirent / opendir-tst1.c

/* Copyright (C) 1998-2014 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

/* Name of the FIFO.  */
char tmpname[] = "fifoXXXXXX";


/* Do the real work.  */
static int
real_test (void)
{
  DIR *dirp;

  /* This should not block for an FIFO.  */
  dirp = opendir (tmpname);

  /* Successful.  */
  if (dirp != NULL)
    {
      /* Oh, oh, how can this work?  */
      fputs ("`opendir' succeeded on a FIFO???\n", stdout);
      closedir (dirp);
      return 1;
    }

  if (errno != ENOTDIR)
    {
      fprintf (stdout, "`opendir' return error `%s' instead of `%s'\n",
	       strerror (errno), strerror (ENOTDIR));
      return 1;
    }

  return 0;
}


static int
do_test (int argc, char *argv[])
{
  int retval;

  if (mktemp (tmpname) == NULL)
    {
      perror ("mktemp");
      return 1;
    }

  /* Try to generate a FIFO.  */
  if (mknod (tmpname, 0600 | S_IFIFO, 0) < 0)
    {
      perror ("mknod");
      /* We cannot make this an error.  */
      return 0;
    }

  retval = real_test ();

  remove (tmpname);

  return retval;
}


static void
do_cleanup (void)
{
  remove (tmpname);
}
#define CLEANUP_HANDLER do_cleanup ()


/* Include the test skeleton.  */
#include <test-skeleton.c>
Commit	Line	Data
	1	/* Copyright (C) 1998-2014 Free Software Foundation, Inc.
	2	This file is part of the GNU C Library.
	3	Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
	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	<http://www.gnu.org/licenses/>. */
	18
	19	#include <dirent.h>
	20	#include <errno.h>
	21	#include <fcntl.h>
	22	#include <stdio.h>
	23	#include <stdlib.h>
	24	#include <string.h>
	25	#include <unistd.h>
	26
	27	/* Name of the FIFO. */
	28	char tmpname[] = "fifoXXXXXX";
	29
	30
	31	/* Do the real work. */
	32	static int
	33	real_test (void)
	34	{
	35	DIR *dirp;
	36
	37	/* This should not block for an FIFO. */
	38	dirp = opendir (tmpname);
	39
	40	/* Successful. */
	41	if (dirp != NULL)
	42	{
	43	/* Oh, oh, how can this work? */
	44	fputs ("`opendir' succeeded on a FIFO???\n", stdout);
	45	closedir (dirp);
	46	return 1;
	47	}
	48
	49	if (errno != ENOTDIR)
	50	{
	51	fprintf (stdout, "`opendir' return error `%s' instead of `%s'\n",
	52	strerror (errno), strerror (ENOTDIR));
	53	return 1;
	54	}
	55
	56	return 0;
	57	}
	58
	59
	60	static int
	61	do_test (int argc, char *argv[])
	62	{
	63	int retval;
	64
	65	if (mktemp (tmpname) == NULL)
	66	{
	67	perror ("mktemp");
	68	return 1;
	69	}
	70
	71	/* Try to generate a FIFO. */
	72	if (mknod (tmpname, 0600 \| S_IFIFO, 0) < 0)
	73	{
	74	perror ("mknod");
	75	/* We cannot make this an error. */
	76	return 0;
	77	}
	78
	79	retval = real_test ();
	80
	81	remove (tmpname);
	82
	83	return retval;
	84	}
	85
	86
	87	static void
	88	do_cleanup (void)
	89	{
	90	remove (tmpname);
	91	}
	92	#define CLEANUP_HANDLER do_cleanup ()
	93
	94
	95	/* Include the test skeleton. */
	96	#include <test-skeleton.c>