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 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107
|
/* Test <stdbit.h> type-generic macros with -Wconversion.
Copyright (C) 2024-2025 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 <stdbit.h>
#include <support/check.h>
unsigned char uc;
unsigned short us;
unsigned int ui;
unsigned long int ul;
unsigned long long int ull;
static int
do_test (void)
{
/* The main point of this test is the compile-time test that there
are no -Wconversion warnings from the type-generic macros, not
the runtime execution of those macros. */
(void) stdc_leading_zeros (uc);
(void) stdc_leading_zeros (us);
(void) stdc_leading_zeros (ui);
(void) stdc_leading_zeros (ul);
(void) stdc_leading_zeros (ull);
(void) stdc_leading_ones (uc);
(void) stdc_leading_ones (us);
(void) stdc_leading_ones (ui);
(void) stdc_leading_ones (ul);
(void) stdc_leading_ones (ull);
(void) stdc_trailing_zeros (uc);
(void) stdc_trailing_zeros (us);
(void) stdc_trailing_zeros (ui);
(void) stdc_trailing_zeros (ul);
(void) stdc_trailing_zeros (ull);
(void) stdc_trailing_ones (uc);
(void) stdc_trailing_ones (us);
(void) stdc_trailing_ones (ui);
(void) stdc_trailing_ones (ul);
(void) stdc_trailing_ones (ull);
(void) stdc_first_leading_zero (uc);
(void) stdc_first_leading_zero (us);
(void) stdc_first_leading_zero (ui);
(void) stdc_first_leading_zero (ul);
(void) stdc_first_leading_zero (ull);
(void) stdc_first_leading_one (uc);
(void) stdc_first_leading_one (us);
(void) stdc_first_leading_one (ui);
(void) stdc_first_leading_one (ul);
(void) stdc_first_leading_one (ull);
(void) stdc_first_trailing_zero (uc);
(void) stdc_first_trailing_zero (us);
(void) stdc_first_trailing_zero (ui);
(void) stdc_first_trailing_zero (ul);
(void) stdc_first_trailing_zero (ull);
(void) stdc_first_trailing_one (uc);
(void) stdc_first_trailing_one (us);
(void) stdc_first_trailing_one (ui);
(void) stdc_first_trailing_one (ul);
(void) stdc_first_trailing_one (ull);
(void) stdc_count_zeros (uc);
(void) stdc_count_zeros (us);
(void) stdc_count_zeros (ui);
(void) stdc_count_zeros (ul);
(void) stdc_count_zeros (ull);
(void) stdc_count_ones (uc);
(void) stdc_count_ones (us);
(void) stdc_count_ones (ui);
(void) stdc_count_ones (ul);
(void) stdc_count_ones (ull);
(void) stdc_has_single_bit (uc);
(void) stdc_has_single_bit (us);
(void) stdc_has_single_bit (ui);
(void) stdc_has_single_bit (ul);
(void) stdc_has_single_bit (ull);
(void) stdc_bit_width (uc);
(void) stdc_bit_width (us);
(void) stdc_bit_width (ui);
(void) stdc_bit_width (ul);
(void) stdc_bit_width (ull);
(void) stdc_bit_floor (uc);
(void) stdc_bit_floor (us);
(void) stdc_bit_floor (ui);
(void) stdc_bit_floor (ul);
(void) stdc_bit_floor (ull);
(void) stdc_bit_ceil (uc);
(void) stdc_bit_ceil (us);
(void) stdc_bit_ceil (ui);
(void) stdc_bit_ceil (ul);
(void) stdc_bit_ceil (ull);
return 0;
}
#include <support/test-driver.c>
|