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6296500a85
This new header complies with ISO/IEC 9899:2024 (C23). Contrary to glibc, we do not provide inline definitions in <stdbit.h> as we expect our system compiler to soon recognise these as builtins anyway. Relnotes: yes MFC after: 1 month Reviewed by: adrian Approved by: markj (mentor) Differential Revision: https://reviews.freebsd.org/D53657
124 lines
5.8 KiB
C
124 lines
5.8 KiB
C
/*-
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* Copyright (c) 2025 Robert Clausecker <fuz@FreeBSD.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#ifndef __STDC_VERSION_STDBIT_H__
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#define __STDC_VERSION_STDBIT_H__ 202311L
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#include <sys/cdefs.h>
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/* byte order */
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#define __STDC_ENDIAN_LITTLE__ __ORDER_LITTLE_ENDIAN__
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#define __STDC_ENDIAN_BIG__ __ORDER_BIG_ENDIAN__
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#define __STDC_ENDIAN_NATIVE__ __BYTE_ORDER__
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#define __generic_bitfunc(func, x) (_Generic(x, \
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unsigned char: func ## _uc, \
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unsigned short: func ## _us, \
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unsigned int: func ## _ui, \
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unsigned long: func ## _ul, \
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unsigned long long: func ## _ull)(x))
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__BEGIN_DECLS
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unsigned int stdc_leading_zeros_uc(unsigned char) __pure2;
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unsigned int stdc_leading_zeros_us(unsigned short) __pure2;
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unsigned int stdc_leading_zeros_ui(unsigned int) __pure2;
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unsigned int stdc_leading_zeros_ul(unsigned long) __pure2;
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unsigned int stdc_leading_zeros_ull(unsigned long long) __pure2;
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#define stdc_leading_zeros(x) __generic_bitfunc(stdc_leading_zeros, x)
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unsigned int stdc_leading_ones_uc(unsigned char) __pure2;
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unsigned int stdc_leading_ones_us(unsigned short) __pure2;
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unsigned int stdc_leading_ones_ui(unsigned int) __pure2;
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unsigned int stdc_leading_ones_ul(unsigned long) __pure2;
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unsigned int stdc_leading_ones_ull(unsigned long long) __pure2;
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#define stdc_leading_ones(x) __generic_bitfunc(stdc_leading_ones, x)
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unsigned int stdc_trailing_zeros_uc(unsigned char) __pure2;
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unsigned int stdc_trailing_zeros_us(unsigned short) __pure2;
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unsigned int stdc_trailing_zeros_ui(unsigned int) __pure2;
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unsigned int stdc_trailing_zeros_ul(unsigned long) __pure2;
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unsigned int stdc_trailing_zeros_ull(unsigned long long) __pure2;
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#define stdc_trailing_zeros(x) __generic_bitfunc(stdc_trailing_zeros, x)
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unsigned int stdc_trailing_ones_uc(unsigned char) __pure2;
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unsigned int stdc_trailing_ones_us(unsigned short) __pure2;
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unsigned int stdc_trailing_ones_ui(unsigned int) __pure2;
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unsigned int stdc_trailing_ones_ul(unsigned long) __pure2;
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unsigned int stdc_trailing_ones_ull(unsigned long long) __pure2;
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#define stdc_trailing_ones(x) __generic_bitfunc(stdc_trailing_ones, x)
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unsigned int stdc_first_leading_zero_uc(unsigned char) __pure2;
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unsigned int stdc_first_leading_zero_us(unsigned short) __pure2;
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unsigned int stdc_first_leading_zero_ui(unsigned int) __pure2;
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unsigned int stdc_first_leading_zero_ul(unsigned long) __pure2;
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unsigned int stdc_first_leading_zero_ull(unsigned long long) __pure2;
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#define stdc_first_leading_zero(x) __generic_bitfunc(stdc_first_leading_zero, x)
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unsigned int stdc_first_leading_one_uc(unsigned char) __pure2;
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unsigned int stdc_first_leading_one_us(unsigned short) __pure2;
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unsigned int stdc_first_leading_one_ui(unsigned int) __pure2;
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unsigned int stdc_first_leading_one_ul(unsigned long) __pure2;
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unsigned int stdc_first_leading_one_ull(unsigned long long) __pure2;
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#define stdc_first_leading_one(x) __generic_bitfunc(stdc_first_leading_one, x)
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unsigned int stdc_first_trailing_zero_uc(unsigned char) __pure2;
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unsigned int stdc_first_trailing_zero_us(unsigned short) __pure2;
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unsigned int stdc_first_trailing_zero_ui(unsigned int) __pure2;
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unsigned int stdc_first_trailing_zero_ul(unsigned long) __pure2;
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unsigned int stdc_first_trailing_zero_ull(unsigned long long) __pure2;
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#define stdc_first_trailing_zero(x) __generic_bitfunc(stdc_first_trailing_zero, x)
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unsigned int stdc_first_trailing_one_uc(unsigned char) __pure2;
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unsigned int stdc_first_trailing_one_us(unsigned short) __pure2;
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unsigned int stdc_first_trailing_one_ui(unsigned int) __pure2;
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unsigned int stdc_first_trailing_one_ul(unsigned long) __pure2;
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unsigned int stdc_first_trailing_one_ull(unsigned long long) __pure2;
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#define stdc_first_trailing_one(x) __generic_bitfunc(stdc_first_trailing_one, x)
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unsigned int stdc_count_zeros_uc(unsigned char) __pure2;
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unsigned int stdc_count_zeros_us(unsigned short) __pure2;
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unsigned int stdc_count_zeros_ui(unsigned int) __pure2;
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unsigned int stdc_count_zeros_ul(unsigned long) __pure2;
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unsigned int stdc_count_zeros_ull(unsigned long long) __pure2;
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#define stdc_count_zeros(x) __generic_bitfunc(stdc_count_zeros, x)
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unsigned int stdc_count_ones_uc(unsigned char) __pure2;
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unsigned int stdc_count_ones_us(unsigned short) __pure2;
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unsigned int stdc_count_ones_ui(unsigned int) __pure2;
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unsigned int stdc_count_ones_ul(unsigned long) __pure2;
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unsigned int stdc_count_ones_ull(unsigned long long) __pure2;
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#define stdc_count_ones(x) __generic_bitfunc(stdc_count_ones, x)
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_Bool stdc_has_single_bit_uc(unsigned char) __pure2;
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_Bool stdc_has_single_bit_us(unsigned short) __pure2;
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_Bool stdc_has_single_bit_ui(unsigned int) __pure2;
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_Bool stdc_has_single_bit_ul(unsigned long) __pure2;
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_Bool stdc_has_single_bit_ull(unsigned long long) __pure2;
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#define stdc_has_single_bit(x) __generic_bitfunc(stdc_has_single_bit, x)
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unsigned int stdc_bit_width_uc(unsigned char) __pure2;
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unsigned int stdc_bit_width_us(unsigned short) __pure2;
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unsigned int stdc_bit_width_ui(unsigned int) __pure2;
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unsigned int stdc_bit_width_ul(unsigned long) __pure2;
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unsigned int stdc_bit_width_ull(unsigned long long) __pure2;
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#define stdc_bit_width(x) __generic_bitfunc(stdc_bit_width, x)
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unsigned char stdc_bit_floor_uc(unsigned char) __pure2;
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unsigned short stdc_bit_floor_us(unsigned short) __pure2;
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unsigned stdc_bit_floor_ui(unsigned int) __pure2;
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unsigned long stdc_bit_floor_ul(unsigned long) __pure2;
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unsigned long long stdc_bit_floor_ull(unsigned long long) __pure2;
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#define stdc_bit_floor(x) __generic_bitfunc(stdc_bit_floor, x)
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unsigned char stdc_bit_ceil_uc(unsigned char) __pure2;
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unsigned short stdc_bit_ceil_us(unsigned short) __pure2;
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unsigned int stdc_bit_ceil_ui(unsigned int) __pure2;
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unsigned long stdc_bit_ceil_ul(unsigned long) __pure2;
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unsigned long long stdc_bit_ceil_ull(unsigned long long) __pure2;
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#define stdc_bit_ceil(x) __generic_bitfunc(stdc_bit_ceil, x)
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__END_DECLS
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#endif /* __STDC_VERSION_STDBIT_H__ */
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