1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/* Copyright (C) 1994-2024 Free Software Foundation, Inc.
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 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
<https://www.gnu.org/licenses/>. */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <support/check.h>
void try (const char *name, long long int param, int value, int expected)
{
if (value != expected)
{
printf ("%s(%#llx) expected %d got %d\n",
name, param, expected, value);
support_record_failure ();
}
else
printf ("%s(%#llx) as expected %d\n", name, param, value);
}
int
do_test (void)
{
int i;
#define TEST(fct, type) \
try (#fct, 0, fct ((type) 0), 0); \
for (i=0 ; i < 8 * sizeof (type); i++) \
try (#fct, 1ll << i, fct (((type) 1) << i), i + 1); \
for (i=0 ; i < 8 * sizeof (type) ; i++) \
try (#fct, (~((type) 0) >> i) << i, fct ((~((type) 0) >> i) << i), i + 1);\
try (#fct, 0x80008000, fct ((type) 0x80008000), 16)
TEST (ffs, int);
TEST (ffsl, long int);
TEST (ffsll, long long int);
return 0;
}
#include <support/test-driver.c>
|
