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add <cstdarg> and update <type_traits> #662

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2e33dcd
added more to <type_traits> and fixed src/libcxx whitespace
ZERICO2005 Sep 30, 2025
9da579c
add cstdarg and fix (c)stddef in C89/C++98
ZERICO2005 Oct 27, 2025
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2 changes: 2 additions & 0 deletions src/libc/include/stddef.h
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Expand Up @@ -14,12 +14,14 @@ typedef __WCHAR_TYPE__ wchar_t;
#endif /* __cplusplus */
#endif /* _WCHAR_T_DEFINED */

#if __STDC_VERSION__ >= 199901L || __cplusplus >= 201103L
typedef struct {
long long __max_align_ll __attribute__((__aligned__(__alignof__( long long))));
long double __max_align_ld __attribute__((__aligned__(__alignof__(long double))));
#ifdef __FLOAT128__
__float128 __max_align_f128 __attribute__((__aligned__(__alignof__( __float128))));
#endif
} max_align_t;
#endif /* __STDC_VERSION__ >= 199901L || __cplusplus >= 201103L */

#endif /* _STDDEF_H */
3 changes: 2 additions & 1 deletion src/libcxx/abort_message.h
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Expand Up @@ -20,6 +20,7 @@ __BEGIN_DECLS
void __abort_message(const char *) __attribute__((noreturn));

__END_DECLS
__END_DECLS

} // namespace std

#endif // _EZCXX_ABORT_MESSAGE_H
1 change: 1 addition & 0 deletions src/libcxx/header_test.cpp
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Expand Up @@ -15,6 +15,7 @@
#endif // __cplusplus >= 201907L
#include <csetjmp>
#include <cstdalign>
#include <cstdarg>
#include <cstdbool>
#include <cstddef>
#include <cstdint>
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108 changes: 54 additions & 54 deletions src/libcxx/include/__abs_overloads
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@@ -1,54 +1,54 @@
// -*- C++ -*-
#ifndef _EZCXX_ABS_OVERLOADS
#define _EZCXX_ABS_OVERLOADS
#include <cdefs.h>
#pragma clang system_header
// https://cplusplus.github.io/LWG/issue2192
#ifndef _ABS_INT_DEFINED
#define _ABS_INT_DEFINED
__BEGIN_DECLS
int abs(int n);
long labs(long n);
long long llabs(long long n);
#ifdef __SIZEOF_INT48__
signed __int48 i48abs(signed __int48 n) __NOEXCEPT_CONST;
#endif // __SIZEOF_INT48__
__END_DECLS
#endif // _ABS_INT_DEFINED
#ifndef _ABS_FLOAT_DEFINED
#define _ABS_FLOAT_DEFINED
extern "C" {
float fabsf(float);
double fabs(double);
long double fabsl(long double);
} // extern "C"
#endif // _ABS_FLOAT_DEFINED
namespace std {
using ::abs;
inline constexpr long abs(long __x) { return labs(__x); }
inline constexpr long long abs(long long __x) { return llabs(__x); }
#ifdef __SIZEOF_INT48__
using ::i48abs;
inline signed __int48 abs(signed __int48 __x) { return i48abs(__x); }
#endif // __SIZEOF_INT48__
inline constexpr float abs(float __x) { return fabsf(__x); }
inline constexpr double abs(double __x) { return fabs(__x); }
inline constexpr long double abs(long double __x) { return fabsl(__x); }
}
#endif // _EZCXX_ABS_OVERLOADS
// -*- C++ -*-
#ifndef _EZCXX_ABS_OVERLOADS
#define _EZCXX_ABS_OVERLOADS

#include <cdefs.h>

#pragma clang system_header

// https://cplusplus.github.io/LWG/issue2192

#ifndef _ABS_INT_DEFINED
#define _ABS_INT_DEFINED

__BEGIN_DECLS

int abs(int n);
long labs(long n);
long long llabs(long long n);

#ifdef __SIZEOF_INT48__
signed __int48 i48abs(signed __int48 n) __NOEXCEPT_CONST;
#endif // __SIZEOF_INT48__

__END_DECLS

#endif // _ABS_INT_DEFINED

#ifndef _ABS_FLOAT_DEFINED
#define _ABS_FLOAT_DEFINED

extern "C" {
float fabsf(float);
double fabs(double);
long double fabsl(long double);
} // extern "C"

#endif // _ABS_FLOAT_DEFINED

namespace std {
using ::abs;
inline constexpr long abs(long __x) { return labs(__x); }
inline constexpr long long abs(long long __x) { return llabs(__x); }

#ifdef __SIZEOF_INT48__
using ::i48abs;
inline signed __int48 abs(signed __int48 __x) { return i48abs(__x); }
#endif // __SIZEOF_INT48__

inline constexpr float abs(float __x) { return fabsf(__x); }
inline constexpr double abs(double __x) { return fabs(__x); }
inline constexpr long double abs(long double __x) { return fabsl(__x); }
}

#endif // _EZCXX_ABS_OVERLOADS
4 changes: 2 additions & 2 deletions src/libcxx/include/cmath
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Expand Up @@ -637,7 +637,7 @@ using ::nextupl;
inline float nextup(float __x) { return nextupf(__x); }
inline long double nextup(long double __x) { return nextupl(__x); }
template<typename _Tp> inline
__cmath_enable_if_t<__cmath_is_integral_v<_Tp>, double>
__cmath_enable_if_t<__cmath_is_integral_v<_Tp>, double>
nextup(_Tp __x) { return nextup(__x); }

using ::nexttoward;
Expand All @@ -655,7 +655,7 @@ using ::nextdownl;
inline float nextdown(float __x) { return nextdownf(__x); }
inline long double nextdown(long double __x) { return nextdownl(__x); }
template<typename _Tp> inline
__cmath_enable_if_t<__cmath_is_integral_v<_Tp>, double>
__cmath_enable_if_t<__cmath_is_integral_v<_Tp>, double>
nextdown(_Tp __x) { return nextdown(__x); }

using ::pow;
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15 changes: 15 additions & 0 deletions src/libcxx/include/cstdarg
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@@ -0,0 +1,15 @@
// -*- C++ -*-
#ifndef _EZCXX_CSTDARG
#define _EZCXX_CSTDARG

#include <stdarg.h>

#pragma clang system_header

namespace std {

using ::va_list;

} // namespace std

#endif // _EZCXX_CSTDARG
5 changes: 5 additions & 0 deletions src/libcxx/include/cstddef
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Expand Up @@ -10,9 +10,13 @@ namespace std {

using ::ptrdiff_t;
using ::size_t;

#if __cplusplus >= 201103L
using ::max_align_t;
using nullptr_t = decltype(nullptr);
#endif /* __cplusplus >= 201103L */

#if __cplusplus >= 201703L
enum class byte : unsigned char {};

constexpr byte operator| (byte __lhs, byte __rhs) noexcept { return byte(char(__lhs) | char(__rhs)); }
Expand All @@ -22,6 +26,7 @@ constexpr byte& operator&=(byte& __lhs, byte __rhs) noexcept { return __lhs = __
constexpr byte operator^ (byte __lhs, byte __rhs) noexcept { return byte(char(__lhs) ^ char(__rhs)); }
constexpr byte& operator^=(byte& __lhs, byte __rhs) noexcept { return __lhs = __lhs ^ __rhs; }
constexpr byte operator~ (byte __rhs) noexcept { return byte(~char(__rhs)); }
#endif /* __cplusplus >= 201703L */

} // namespace std

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78 changes: 39 additions & 39 deletions src/libcxx/include/cstdint
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Expand Up @@ -7,45 +7,45 @@
#pragma clang system_header

namespace std {
using::int8_t;
using::int16_t;
using::int24_t;
using::int32_t;
using::int48_t;
using::int64_t;

using::uint8_t;
using::uint16_t;
using::uint24_t;
using::uint32_t;
using::uint48_t;
using::uint64_t;

using::int_least8_t;
using::int_least16_t;
using::int_least32_t;
using::int_least64_t;

using::uint_least8_t;
using::uint_least16_t;
using::uint_least32_t;
using::uint_least64_t;

using::int_fast8_t;
using::int_fast16_t;
using::int_fast32_t;
using::int_fast64_t;

using::uint_fast8_t;
using::uint_fast16_t;
using::uint_fast32_t;
using::uint_fast64_t;

using::intptr_t;
using::uintptr_t;

using::intmax_t;
using::uintmax_t;
using ::int8_t;
using ::int16_t;
using ::int24_t;
using ::int32_t;
using ::int48_t;
using ::int64_t;

using ::uint8_t;
using ::uint16_t;
using ::uint24_t;
using ::uint32_t;
using ::uint48_t;
using ::uint64_t;

using ::int_least8_t;
using ::int_least16_t;
using ::int_least32_t;
using ::int_least64_t;

using ::uint_least8_t;
using ::uint_least16_t;
using ::uint_least32_t;
using ::uint_least64_t;

using ::int_fast8_t;
using ::int_fast16_t;
using ::int_fast32_t;
using ::int_fast64_t;

using ::uint_fast8_t;
using ::uint_fast16_t;
using ::uint_fast32_t;
using ::uint_fast64_t;

using ::intptr_t;
using ::uintptr_t;

using ::intmax_t;
using ::uintmax_t;
} // namespace std

#endif // _EZCXX_CSTDINT
38 changes: 19 additions & 19 deletions src/libcxx/include/memory
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@@ -1,19 +1,19 @@
// -*- C++ -*-
#ifndef _EZCXX_MEMORY
#define _EZCXX_MEMORY
#pragma clang system_header
namespace std {
template <class _Tp>
constexpr inline _Tp* addressof(_Tp& __x) noexcept {
return __builtin_addressof(__x);
}
template <class _Tp>
_Tp* addressof(const _Tp&&) noexcept = delete;
} // namespace std
#endif // _EZCXX_MEMORY
// -*- C++ -*-
#ifndef _EZCXX_MEMORY
#define _EZCXX_MEMORY

#pragma clang system_header

namespace std {

template <class _Tp>
constexpr inline _Tp* addressof(_Tp& __x) noexcept {
return __builtin_addressof(__x);
}

template <class _Tp>
_Tp* addressof(const _Tp&&) noexcept = delete;

} // namespace std

#endif // _EZCXX_MEMORY
10 changes: 5 additions & 5 deletions src/libcxx/include/numbers
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Expand Up @@ -13,7 +13,7 @@
#include <type_traits>

#if __cplusplus >= 201907L
#include <concepts>
#include <concepts>
#endif

#pragma clang system_header
Expand All @@ -31,10 +31,10 @@ inline constexpr bool __false = false;

template <class _Tp>
struct __illformed {
static_assert(
__false<_Tp>,
"A program that instantiates a primary template of a mathematical constant variable template is ill-formed."
);
static_assert(
__false<_Tp>,
"A program that instantiates a primary template of a mathematical constant variable template is ill-formed."
);
};

template <class _Tp>
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