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author | Roland McGrath <roland@gnu.org> | 1995-02-18 01:27:10 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 1995-02-18 01:27:10 +0000 |
commit | 28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch) | |
tree | 15f07c4c43d635959c6afee96bde71fb1b3614ee /string/test-ffs.c | |
download | glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.xz glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.zip |
initial import
Diffstat (limited to 'string/test-ffs.c')
-rw-r--r-- | string/test-ffs.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/string/test-ffs.c b/string/test-ffs.c new file mode 100644 index 0000000000..bbe62786e0 --- /dev/null +++ b/string/test-ffs.c @@ -0,0 +1,54 @@ +/* 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); +} |