xref: /freebsd/lib/libc/tests/stdbit/stdc_bit_width_test.c (revision 2fb8cbc6ef1b3cc6cd60e5db07f8305623f9b044) 
1 /*
2  * Copyright (c) 2025 Robert Clausecker <fuz@FreeBSD.org>
3  *
4  * SPDX-License-Identifier: BSD-2-Clause
5  */
6 
7 #define FUNCSTEM stdc_bit_width
8 #define MKREFFUNC(name, type)						\
9 	static unsigned							\
10 	name(type value) 						\
11 	{ 								\
12 		unsigned width = 0;					\
13 									\
14 		while (value != 0) {					\
15 			value >>= 1;					\
16 			width++;					\
17 		}							\
18 									\
19 		return (width);						\
20 	}
21 
22 #include "stdbit-test-framework.c"
23