/* Test program for dirname function a la XPG.

   Copyright (C) 1996-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.

   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/>.  */

#define _GNU_SOURCE	1

#include <libgen.h>

#include <stdio.h>

#include <string.h>

static int

test (const char *input, const char *result)

{

  int retval;

  char *cp;

  cp = strdupa (input);

  cp = dirname (cp);

  retval = strcmp (cp, result);

  if (retval)

    printf ("dirname(\"%s\") should be \"%s\", but is \"%s\"\n",

	    input, result, cp);

  return retval;

}

static int

do_test (void)

{

  int result = 0;

  /* These are the examples given in XPG4.2.  */

  result |= test ("/usr/lib", "/usr");

  result |= test ("/usr/", "/");

  result |= test ("usr", ".");

  result |= test ("/", "/");

  result |= test (".", ".");

  result |= test ("..", ".");

  /* Some more tests.   */

  result |= test ("/usr/lib/", "/usr");

  result |= test ("/usr", "/");

  result |= test ("a//", ".");

  result |= test ("a////", ".");

  result |= test ("////usr", "/");

  result |= test ("////usr//", "/");

  result |= test ("//usr", "//");

  result |= test ("//usr//", "//");

  result |= test ("//", "//");

  /* Other Unix implementations behave like this.  */

  result |= test ("x///y", "x");

  result |= test ("x/////y", "x");

  return result != 0;

}

#define TEST_FUNCTION do_test ()

#include "../test-skeleton.c"