reactos/sdk/include/ucrt/time.h

648 lines
18 KiB
C

//
// time.h
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// The C Standard Library <time.h> header.
//
#pragma once
#ifndef _INC_TIME // include guard for 3rd party interop
#define _INC_TIME
#include <corecrt.h>
#include <corecrt_wtime.h>
#pragma warning(push)
#pragma warning(disable: _UCRT_DISABLED_WARNINGS)
_UCRT_DISABLE_CLANG_WARNINGS
_CRT_BEGIN_C_HEADER
#ifndef _CRT_USE_CONFORMING_ANNEX_K_TIME
#define _CRT_USE_CONFORMING_ANNEX_K_TIME 0
#endif
//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
//
// Types
//
//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
typedef long clock_t;
struct _timespec32
{
__time32_t tv_sec;
long tv_nsec;
};
struct _timespec64
{
__time64_t tv_sec;
long tv_nsec;
};
#ifndef _CRT_NO_TIME_T
struct timespec
{
time_t tv_sec; // Seconds - >= 0
long tv_nsec; // Nanoseconds - [0, 999999999]
};
#endif
// The number of clock ticks per second
#define CLOCKS_PER_SEC ((clock_t)1000)
#define TIME_UTC 1
//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
//
// Time Zone and Daylight Savings Time Data and Accessors
//
//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// Nonzero if Daylight Savings Time is used
_Check_return_ _CRT_INSECURE_DEPRECATE_GLOBALS(_get_daylight)
_ACRTIMP int* __cdecl __daylight(void);
#define _daylight (*__daylight())
// Offset for Daylight Savings Time
_Check_return_ _CRT_INSECURE_DEPRECATE_GLOBALS(_get_dstbias)
_ACRTIMP long* __cdecl __dstbias(void);
#define _dstbias (*__dstbias())
// Difference in seconds between GMT and local time
_Check_return_ _CRT_INSECURE_DEPRECATE_GLOBALS(_get_timezone)
_ACRTIMP long* __cdecl __timezone(void);
#define _timezone (*__timezone())
// Standard and Daylight Savings Time time zone names
_Check_return_ _Deref_ret_z_ _CRT_INSECURE_DEPRECATE_GLOBALS(_get_tzname)
_ACRTIMP char** __cdecl __tzname(void);
#define _tzname (__tzname())
_Success_(_Daylight != 0)
_ACRTIMP errno_t __cdecl _get_daylight(
_Out_ int* _Daylight
);
_Success_(_DaylightSavingsBias != 0)
_ACRTIMP errno_t __cdecl _get_dstbias(
_Out_ long* _DaylightSavingsBias
);
_Success_(_TimeZone != 0)
_ACRTIMP errno_t __cdecl _get_timezone(
_Out_ long* _TimeZone
);
_Success_(return == 0)
_ACRTIMP errno_t __cdecl _get_tzname(
_Out_ size_t* _ReturnValue,
_Out_writes_z_(_SizeInBytes) char* _Buffer,
_In_ size_t _SizeInBytes,
_In_ int _Index
);
//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
//
// AppCRT Time Functions
//
//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
_Success_(return != 0)
_Ret_writes_z_(26)
_Check_return_ _CRT_INSECURE_DEPRECATE(asctime_s)
_ACRTIMP char* __cdecl asctime(
_In_ struct tm const* _Tm
);
#if __STDC_WANT_SECURE_LIB__
_Success_(return == 0)
_Check_return_wat_
_ACRTIMP errno_t __cdecl asctime_s(
_Out_writes_(_SizeInBytes) _Post_readable_size_(26) char* _Buffer,
_In_range_(>=,26) size_t _SizeInBytes,
_In_ struct tm const* _Tm
);
#endif
__DEFINE_CPP_OVERLOAD_SECURE_FUNC_0_1(
errno_t, asctime_s,
_Post_readable_size_(26) char, _Buffer,
_In_ struct tm const*, _Time
)
_Check_return_
_ACRTIMP clock_t __cdecl clock(void);
_Ret_z_
_Success_(return != 0)
_Check_return_ _CRT_INSECURE_DEPRECATE(_ctime32_s)
_ACRTIMP char* __cdecl _ctime32(
_In_ __time32_t const* _Time
);
_Check_return_wat_
_ACRTIMP errno_t __cdecl _ctime32_s(
_Out_writes_(_SizeInBytes) _Post_readable_size_(26) char* _Buffer,
_In_range_(>=,26) size_t _SizeInBytes,
_In_ __time32_t const* _Time
);
__DEFINE_CPP_OVERLOAD_SECURE_FUNC_0_1(
errno_t, _ctime32_s,
_Post_readable_size_(26) char, _Buffer,
_In_ __time32_t const*, _Time
)
_Ret_z_
_Success_(return != 0)
_Check_return_ _CRT_INSECURE_DEPRECATE(_ctime64_s)
_ACRTIMP char* __cdecl _ctime64(
_In_ __time64_t const* _Time
);
_Check_return_wat_
_ACRTIMP errno_t __cdecl _ctime64_s(
_Out_writes_z_(_SizeInBytes) _Post_readable_size_(26) char* _Buffer,
_In_range_(>=,26) size_t _SizeInBytes,
_In_ __time64_t const* _Time
);
__DEFINE_CPP_OVERLOAD_SECURE_FUNC_0_1(
errno_t, _ctime64_s,
_Post_readable_size_(26) char, _Buffer,
_In_ __time64_t const*, _Time
)
_Check_return_
_ACRTIMP double __cdecl _difftime32(
_In_ __time32_t _Time1,
_In_ __time32_t _Time2
);
_Check_return_
_ACRTIMP double __cdecl _difftime64(
_In_ __time64_t _Time1,
_In_ __time64_t _Time2
);
_Success_(return != 0)
_Check_return_ _CRT_INSECURE_DEPRECATE(_gmtime32_s)
_ACRTIMP struct tm* __cdecl _gmtime32(
_In_ __time32_t const* _Time
);
_Check_return_wat_
_ACRTIMP errno_t __cdecl _gmtime32_s(
_Out_ struct tm* _Tm,
_In_ __time32_t const* _Time
);
_Success_(return != 0)
_Check_return_ _CRT_INSECURE_DEPRECATE(_gmtime64_s)
_ACRTIMP struct tm* __cdecl _gmtime64(
_In_ __time64_t const* _Time
);
_Check_return_wat_
_ACRTIMP errno_t __cdecl _gmtime64_s(
_Out_ struct tm* _Tm,
_In_ __time64_t const* _Time
);
_Success_(return != 0)
_Check_return_ _CRT_INSECURE_DEPRECATE(_localtime32_s)
_ACRTIMP struct tm* __cdecl _localtime32(
_In_ __time32_t const* _Time
);
_Check_return_wat_
_ACRTIMP errno_t __cdecl _localtime32_s(
_Out_ struct tm* _Tm,
_In_ __time32_t const* _Time
);
_Success_(return != 0)
_Check_return_ _CRT_INSECURE_DEPRECATE(_localtime64_s)
_ACRTIMP struct tm* __cdecl _localtime64(
_In_ __time64_t const* _Time
);
_Check_return_wat_
_ACRTIMP errno_t __cdecl _localtime64_s(
_Out_ struct tm* _Tm,
_In_ __time64_t const* _Time
);
_Check_return_
_ACRTIMP __time32_t __cdecl _mkgmtime32(
_Inout_ struct tm* _Tm
);
_Check_return_
_ACRTIMP __time64_t __cdecl _mkgmtime64(
_Inout_ struct tm* _Tm
);
_Check_return_opt_
_ACRTIMP __time32_t __cdecl _mktime32(
_Inout_ struct tm* _Tm
);
_Check_return_opt_
_ACRTIMP __time64_t __cdecl _mktime64(
_Inout_ struct tm* _Tm
);
_Success_(return > 0)
_Check_return_wat_
_ACRTIMP size_t __cdecl strftime(
_Out_writes_z_(_SizeInBytes) char* _Buffer,
_In_ size_t _SizeInBytes,
_In_z_ _Printf_format_string_ char const* _Format,
_In_ struct tm const* _Tm
);
_Success_(return > 0)
_Check_return_wat_
_ACRTIMP size_t __cdecl _strftime_l(
_Out_writes_z_(_MaxSize) char* _Buffer,
_In_ size_t _MaxSize,
_In_z_ _Printf_format_string_ char const* _Format,
_In_ struct tm const* _Tm,
_In_opt_ _locale_t _Locale
);
_Check_return_wat_
_ACRTIMP errno_t __cdecl _strdate_s(
_Out_writes_(_SizeInBytes) _When_(_SizeInBytes >=9, _Post_readable_size_(9)) char* _Buffer,
_In_ size_t _SizeInBytes
);
__DEFINE_CPP_OVERLOAD_SECURE_FUNC_0_0(
errno_t, _strdate_s,
_Post_readable_size_(9) char, _Buffer
)
__DEFINE_CPP_OVERLOAD_STANDARD_FUNC_0_0(
_Success_(return != 0) char*, __RETURN_POLICY_DST, _ACRTIMP, _strdate,
_Out_writes_z_(9), char, _Buffer
)
_Check_return_wat_
_ACRTIMP errno_t __cdecl _strtime_s(
_Out_writes_(_SizeInBytes) _When_(_SizeInBytes >=9, _Post_readable_size_(9)) char* _Buffer,
_In_ size_t _SizeInBytes
);
__DEFINE_CPP_OVERLOAD_SECURE_FUNC_0_0(
errno_t, _strtime_s,
_Post_readable_size_(9) char, _Buffer
)
__DEFINE_CPP_OVERLOAD_STANDARD_FUNC_0_0(
char*, __RETURN_POLICY_DST, _ACRTIMP, _strtime,
_Out_writes_z_(9), char, _Buffer
)
_ACRTIMP __time32_t __cdecl _time32(
_Out_opt_ __time32_t* _Time
);
_ACRTIMP __time64_t __cdecl _time64(
_Out_opt_ __time64_t* _Time
);
_Success_(return != 0)
_Check_return_
_ACRTIMP int __cdecl _timespec32_get(
_Out_ struct _timespec32* _Ts,
_In_ int _Base
);
_Success_(return != 0)
_Check_return_
_ACRTIMP int __cdecl _timespec64_get(
_Out_ struct _timespec64* _Ts,
_In_ int _Base
);
//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
//
// DesktopCRT Time Functions
//
//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
#ifdef _CRT_USE_WINAPI_FAMILY_DESKTOP_APP
_ACRTIMP void __cdecl _tzset(void);
// The Win32 API GetLocalTime and SetLocalTime should be used instead.
_CRT_OBSOLETE(GetLocalTime)
_DCRTIMP unsigned __cdecl _getsystime(
_Out_ struct tm* _Tm
);
_CRT_OBSOLETE(SetLocalTime)
_DCRTIMP unsigned __cdecl _setsystime(
_In_ struct tm* _Tm,
_In_ unsigned _Milliseconds
);
#endif
//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
//
// Inline Function Definitions
//
//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
#if !defined RC_INVOKED && !defined __midl && !defined _INC_TIME_INL && !defined _CRT_NO_TIME_T
#ifdef _USE_32BIT_TIME_T
_Check_return_ _CRT_INSECURE_DEPRECATE(ctime_s)
static __inline char* __CRTDECL ctime(
_In_ time_t const* const _Time
)
{
return _ctime32(_Time);
}
_Check_return_
static __inline double __CRTDECL difftime(
_In_ time_t const _Time1,
_In_ time_t const _Time2
)
{
return _difftime32(_Time1, _Time2);
}
_Check_return_ _CRT_INSECURE_DEPRECATE(gmtime_s)
static __inline struct tm* __CRTDECL gmtime(
_In_ time_t const* const _Time
)
{
return _gmtime32(_Time);
}
_Check_return_ _CRT_INSECURE_DEPRECATE(localtime_s)
static __inline struct tm* __CRTDECL localtime(
_In_ time_t const* const _Time
)
{
return _localtime32(_Time);
}
_Check_return_
static __inline time_t __CRTDECL _mkgmtime(
_Inout_ struct tm* const _Tm
)
{
return _mkgmtime32(_Tm);
}
_Check_return_opt_
static __inline time_t __CRTDECL mktime(
_Inout_ struct tm* const _Tm
)
{
return _mktime32(_Tm);
}
static __inline time_t __CRTDECL time(
_Out_opt_ time_t* const _Time
)
{
return _time32(_Time);
}
_Check_return_
static __inline int __CRTDECL timespec_get(
_Out_ struct timespec* const _Ts,
_In_ int const _Base
)
{
return _timespec32_get((struct _timespec32*)_Ts, _Base);
}
#if __STDC_WANT_SECURE_LIB__
_Check_return_wat_
static __inline errno_t __CRTDECL ctime_s(
_Out_writes_(_SizeInBytes) _Post_readable_size_(26) char* const _Buffer,
_In_range_(>=,26) size_t const _SizeInBytes,
_In_ time_t const* const _Time
)
{
return _ctime32_s(_Buffer, _SizeInBytes, _Time);
}
#if _CRT_USE_CONFORMING_ANNEX_K_TIME
_Check_return_wat_
static __inline struct tm* __CRTDECL gmtime_s(
_In_ time_t const* const _Time,
_Out_ struct tm* const _Tm
)
{
if (_gmtime32_s(_Tm, _Time) == 0)
{
return _Tm;
}
return NULL;
}
_Check_return_wat_
static __inline struct tm* __CRTDECL localtime_s(
_In_ time_t const* const _Time,
_Out_ struct tm* const _Tm
)
{
if (_localtime32_s(_Tm, _Time) == 0)
{
return _Tm;
}
return NULL;
}
#else // _CRT_USE_CONFORMING_ANNEX_K_TIME
_Check_return_wat_
static __inline errno_t __CRTDECL gmtime_s(
_Out_ struct tm* const _Tm,
_In_ time_t const* const _Time
)
{
return _gmtime32_s(_Tm, _Time);
}
_Check_return_wat_
static __inline errno_t __CRTDECL localtime_s(
_Out_ struct tm* const _Tm,
_In_ time_t const* const _Time
)
{
return _localtime32_s(_Tm, _Time);
}
#endif // _CRT_USE_CONFORMING_ANNEX_K_TIME
#endif
#else // ^^^ _USE_32BIT_TIME_T ^^^ // vvv !_USE_32BIT_TIME_T vvv
_Check_return_ _CRT_INSECURE_DEPRECATE(ctime_s)
static __inline char* __CRTDECL ctime(
_In_ time_t const* const _Time
)
{
return _ctime64(_Time);
}
_Check_return_
static __inline double __CRTDECL difftime(
_In_ time_t const _Time1,
_In_ time_t const _Time2
)
{
return _difftime64(_Time1, _Time2);
}
_Check_return_ _CRT_INSECURE_DEPRECATE(gmtime_s)
static __inline struct tm* __CRTDECL gmtime(
_In_ time_t const* const _Time)
{
return _gmtime64(_Time);
}
_CRT_INSECURE_DEPRECATE(localtime_s)
static __inline struct tm* __CRTDECL localtime(
_In_ time_t const* const _Time
)
{
return _localtime64(_Time);
}
_Check_return_
static __inline time_t __CRTDECL _mkgmtime(
_Inout_ struct tm* const _Tm
)
{
return _mkgmtime64(_Tm);
}
_Check_return_opt_
static __inline time_t __CRTDECL mktime(
_Inout_ struct tm* const _Tm
)
{
return _mktime64(_Tm);
}
static __inline time_t __CRTDECL time(
_Out_opt_ time_t* const _Time
)
{
return _time64(_Time);
}
_Check_return_
static __inline int __CRTDECL timespec_get(
_Out_ struct timespec* const _Ts,
_In_ int const _Base
)
{
return _timespec64_get((struct _timespec64*)_Ts, _Base);
}
#if __STDC_WANT_SECURE_LIB__
_Check_return_wat_
static __inline errno_t __CRTDECL ctime_s(
_Out_writes_(_SizeInBytes) _Post_readable_size_(26) char* const _Buffer,
_In_range_(>=,26) size_t const _SizeInBytes,
_In_ time_t const* const _Time
)
{
return _ctime64_s(_Buffer, _SizeInBytes, _Time);
}
#if _CRT_USE_CONFORMING_ANNEX_K_TIME
_Check_return_wat_
static __inline struct tm* __CRTDECL gmtime_s(
_In_ time_t const* const _Time,
_Out_ struct tm* const _Tm
)
{
if (_gmtime64_s(_Tm, _Time) == 0)
{
return _Tm;
}
return NULL;
}
_Check_return_wat_
static __inline struct tm* __CRTDECL localtime_s(
_In_ time_t const* const _Time,
_Out_ struct tm* const _Tm
)
{
if (_localtime64_s(_Tm, _Time) == 0)
{
return _Tm;
}
return NULL;
}
#else // _CRT_USE_CONFORMING_ANNEX_K_TIME
_Check_return_wat_
static __inline errno_t __CRTDECL gmtime_s(
_Out_ struct tm* const _Tm,
_In_ time_t const* const _Time
)
{
return _gmtime64_s(_Tm, _Time);
}
_Check_return_wat_
static __inline errno_t __CRTDECL localtime_s(
_Out_ struct tm* const _Tm,
_In_ time_t const* const _Time
)
{
return _localtime64_s(_Tm, _Time);
}
#endif // _CRT_USE_CONFORMING_ANNEX_K_TIME
#endif
#endif // !_USE_32BIT_TIME_T
#endif
//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
//
// Non-ANSI Names for Compatibility
//
//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
#if defined(_CRT_INTERNAL_NONSTDC_NAMES) && _CRT_INTERNAL_NONSTDC_NAMES
#define CLK_TCK CLOCKS_PER_SEC
#ifdef _CRT_USE_WINAPI_FAMILY_DESKTOP_APP
_CRT_NONSTDC_DEPRECATE(_tzset) _ACRTIMP void __cdecl tzset(void);
#endif
#endif // _CRT_INTERNAL_NONSTDC_NAMES
_CRT_END_C_HEADER
_UCRT_RESTORE_CLANG_WARNINGS
#pragma warning(pop) // _UCRT_DISABLED_WARNINGS
#endif // _INC_TIME