timeset.cpp File Reference

#include <corecrt_internal_time.h>

Include dependency graph for timeset.cpp:

Go to the source code of this file.

Macros
#define	_PST_STRING   "PST"
#define	_PDT_STRING   "PDT"
#define	L_PST_STRING   L"PST"
#define	L_PDT_STRING   L"PDT"

Functions
	_CRT_LINKER_FORCE_INCLUDE (__acrt_timeset_initializer)
int __cdecl	__acrt_initialize_timeset ()
errno_t __cdecl	_get_daylight (int *const result)
errno_t __cdecl	_get_dstbias (long *result)
errno_t __cdecl	_get_timezone (long *result)
errno_t __cdecl	_get_tzname (size_t *const length, char *const buffer, size_t const size_in_bytes, int const index)
int *__cdecl	__daylight ()
long *__cdecl	__dstbias ()
long *__cdecl	__timezone ()
char **__cdecl	__tzname ()
wchar_t **__cdecl	__wide_tzname ()

Variables
__crt_state_management::dual_state_global< long >	_timezone
__crt_state_management::dual_state_global< int >	_daylight
__crt_state_management::dual_state_global< long >	_dstbias
static char	tzstd_program [_TZ_STRINGS_SIZE] = { _PST_STRING }
static char	tzdst_program [_TZ_STRINGS_SIZE] = { _PDT_STRING }
static wchar_t	w_tzstd_program [_TZ_STRINGS_SIZE] = { L_PST_STRING }
static wchar_t	w_tzdst_program [_TZ_STRINGS_SIZE] = { L_PDT_STRING }
static char *	tzname_states [__crt_state_management::state_index_count][2]
static wchar_t *	w_tzname_states [__crt_state_management::state_index_count][2]
static __crt_state_management::dual_state_global< char ** >	_tzname
static __crt_state_management::dual_state_global< wchar_t ** >	w_tzname
const char	__dnames []
const char	__mnames []

Macro Definition Documentation

_PDT_STRING

#define _PDT_STRING   "PDT"

Definition at line 24 of file timeset.cpp.

_PST_STRING

#define _PST_STRING   "PST"

Definition at line 23 of file timeset.cpp.

L_PDT_STRING

#define L_PDT_STRING   L"PDT"

Definition at line 27 of file timeset.cpp.

L_PST_STRING

#define L_PST_STRING   L"PST"

Definition at line 26 of file timeset.cpp.

Function Documentation

__acrt_initialize_timeset()

int __cdecl __acrt_initialize_timeset

(

)

Definition at line 65 of file timeset.cpp.

{
    _timezone.initialize(8 * 3600L);
    _daylight.initialize(1);
    _dstbias.initialize (-3600);
 
    char*** const first_state = _tzname.dangerous_get_state_array();
    for (unsigned i = 0; i != __crt_state_management::state_index_count; ++i)
    {
        first_state[i] = tzname_states[i];
    }
 
    wchar_t*** const w_first_state = w_tzname.dangerous_get_state_array();
    for (unsigned i = 0; i != __crt_state_management::state_index_count; ++i)
    {
        w_first_state[i] = w_tzname_states[i];
    }
 
    return 0;
}

__daylight()

int *__cdecl __daylight

(

)

Definition at line 165 of file timeset.cpp.

{
    return &_daylight.value();
}

__dstbias()

long *__cdecl __dstbias

(

)

Definition at line 170 of file timeset.cpp.

{
    return &_dstbias.value();
}

__timezone()

long *__cdecl __timezone

(

)

Definition at line 175 of file timeset.cpp.

{
    return &_timezone.value();
}

__tzname()

char **__cdecl __tzname

(

)

Definition at line 180 of file timeset.cpp.

{
    return _tzname.value();
}

__wide_tzname()

wchar_t **__cdecl __wide_tzname

(

)

Definition at line 185 of file timeset.cpp.

{
    return w_tzname.value();
}

Referenced by expand_time(), tzset_from_environment_nolock(), and tzset_from_system_nolock().

_CRT_LINKER_FORCE_INCLUDE()

_CRT_LINKER_FORCE_INCLUDE

(

__acrt_timeset_initializer

)

_get_daylight()

errno_t __cdecl _get_daylight

(

int *const

result

)

Definition at line 86 of file timeset.cpp.

{
    _VALIDATE_RETURN_ERRCODE(result != nullptr, EINVAL);
 
    // This variable is correctly inited at startup, so no need to check if
    // CRT init finished.
    *result = _daylight.value();
    return 0;
}

_get_dstbias()

errno_t __cdecl _get_dstbias

(

long *

result

)

Definition at line 96 of file timeset.cpp.

{
    _VALIDATE_RETURN_ERRCODE(result != nullptr, EINVAL);
 
    // This variable is correctly inited at startup, so no need to check if
    // CRT init finished.
    *result = _dstbias.value();
    return 0;
}

_get_timezone()

errno_t __cdecl _get_timezone

(

long *

result

)

Definition at line 106 of file timeset.cpp.

{
    _VALIDATE_RETURN_ERRCODE(result != nullptr, EINVAL);
 
    // This variable is correctly inited at startup, so no need to check if
    // CRT init finished.
    *result = _timezone.value();
    return 0;
}

_get_tzname()

errno_t __cdecl _get_tzname	(	size_t *const	length,
		char *const	buffer,
		size_t const	size_in_bytes,
		int const	index
	)

Definition at line 116 of file timeset.cpp.

{
    _VALIDATE_RETURN_ERRCODE(
        (buffer != nullptr && size_in_bytes > 0) ||
        (buffer == nullptr && size_in_bytes == 0),
        EINVAL);
 
    if (buffer != nullptr)
        buffer[0] = '\0';
 
    _VALIDATE_RETURN_ERRCODE(length != nullptr,        EINVAL);
    _VALIDATE_RETURN_ERRCODE(index == 0 || index == 1, EINVAL);
 
    // _tzname is correctly inited at startup, so no need to check if
    // CRT init finished.
    *length = strlen(_tzname.value()[index]) + 1;
 
    // If the buffer pointer is null, the caller is interested only in the size
    // of the string, not in the actual value of the string:
    if (buffer == nullptr)
        return 0;
 
    if (*length > size_in_bytes)
        return ERANGE;
 
    return strcpy_s(buffer, size_in_bytes, _tzname.value()[index]);
}

Variable Documentation

__dnames

const char __dnames[]

Initial value:

=
{
    "SunMonTueWedThuFriSat"
}

Definition at line 151 of file timeset.cpp.

Referenced by throw().

__mnames

const char __mnames[]

Initial value:

=
{
    "JanFebMarAprMayJunJulAugSepOctNovDec"
}

Definition at line 157 of file timeset.cpp.

Referenced by throw().

_daylight

__crt_state_management::dual_state_global<int> _daylight

Definition at line 18 of file timeset.cpp.

Referenced by __acrt_initialize_timeset(), __daylight(), and _get_daylight().

_dstbias

__crt_state_management::dual_state_global<long> _dstbias

Definition at line 19 of file timeset.cpp.

Referenced by __acrt_initialize_timeset(), __dstbias(), and _get_dstbias().

_timezone

__crt_state_management::dual_state_global<long> _timezone

Definition at line 17 of file timeset.cpp.

Referenced by __acrt_initialize_timeset(), __timezone(), and _get_timezone().

_tzname

__crt_state_management::dual_state_global<char **> _tzname

static

Definition at line 59 of file timeset.cpp.

Referenced by __acrt_initialize_timeset(), __tzname(), and _get_tzname().

tzdst_program

char tzdst_program[_TZ_STRINGS_SIZE] = { _PDT_STRING }

static

Definition at line 30 of file timeset.cpp.

tzname_states

char* tzname_states[__crt_state_management::state_index_count][2]

static

Initial value:

=
{
    { tzstd_program, tzdst_program },
 
 
 
}

Definition at line 43 of file timeset.cpp.

Referenced by __acrt_initialize_timeset().

tzstd_program

char tzstd_program[_TZ_STRINGS_SIZE] = { _PST_STRING }

static

Definition at line 29 of file timeset.cpp.

w_tzdst_program

wchar_t w_tzdst_program[_TZ_STRINGS_SIZE] = { L_PDT_STRING }

static

Definition at line 33 of file timeset.cpp.

w_tzname

__crt_state_management::dual_state_global<wchar_t **> w_tzname

static

Definition at line 60 of file timeset.cpp.

Referenced by __acrt_initialize_timeset(), and __wide_tzname().

w_tzname_states

wchar_t* w_tzname_states[__crt_state_management::state_index_count][2]

static

Initial value:

=
{
    { w_tzstd_program, w_tzdst_program },
 
 
 
}

Definition at line 51 of file timeset.cpp.

Referenced by __acrt_initialize_timeset().

w_tzstd_program

wchar_t w_tzstd_program[_TZ_STRINGS_SIZE] = { L_PST_STRING }

static

Definition at line 32 of file timeset.cpp.