1 /* 2 * Copyright (c) 2025 Robert Clausecker <fuz@FreeBSD.org> 3 * 4 * SPDX-License-Identifier: BSD-2-Clause 5 */ 6 7 #define FUNCSTEM stdc_trailing_ones 8 #define MKREFFUNC(name, type) \ 9 static unsigned \ 10 name(type value) \ 11 { \ 12 type bit = 1; \ 13 unsigned count = 0; \ 14 \ 15 while (bit != 0 && (bit & value) != 0) { \ 16 bit <<= 1; \ 17 count++; \ 18 } \ 19 \ 20 return (count); \ 21 } 22 23 #include "stdbit-test-framework.c" 24