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/* Copyright (C) 1994, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
On-Line Applications Research Corporation.
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
int
main (argc, argv)
int argc;
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);
for (i=0 ; i<32 ; i++)
try ((~0 >> i) << 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);
}
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