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- /* Copyright (C) 1994 Free Software Foundation, Inc.
- Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
- On-Line Applications Research Corporation.
-
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <stdlib.h>
- #include <stdio.h>
- #include <string.h>
-
- int
- DEFUN(main, (argc, argv),
- int argc AND char **argv)
- {
- int failures = 0;
- int i;
- void try (int value, int expected)
- {
- if (ffs (value) != expected)
- {
- fprintf (stderr, "%#x expected %d got %d\n",
- value, expected, ffs (value));
- ++failures;
- }
- }
-
- try (0, 0);
- for (i=0 ; i<32 ; i++)
- try (1<<i, i+1);
- try (0x80008000, 16);
-
- if (failures)
- printf ("Test FAILED! %d failure%s.\n", failures, &"s"[failures == 1]);
- else
- puts ("Test succeeded.");
-
- exit (failures);
- }
-