/*
 * Copyright (c) 2025 Robert Clausecker <fuz@FreeBSD.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#define FUNCSTEM stdc_first_leading_zero
#define MKREFFUNC(name, type)                                           \
        static unsigned                                                 \
        name(type value)                                                \
        {                                                               \
                type bit = 1;                                           \
                unsigned pos = 1;                                       \
                                                                        \
                value = ~value;                                         \
                if (value == 0)                                         \
                        return (0);                                     \
                                                                        \
                while ((type)(bit << 1) != 0)                           \
                        bit <<= 1;                                      \
                                                                        \
                while ((bit & value) == 0) {                            \
                        bit >>= 1;                                      \
                        pos++;                                          \
                }                                                       \
                                                                        \
                return (pos);                                           \
        }

#include "stdbit-test-framework.c"