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/* Test program for dirname function a la XPG.
   Copyright (C) 1996-2016 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"