PlatformTime.c File Reference

Implementation of cross platform APIs for system time operations. More...

#include "pch.h"

Functions
VOID	PlatformTimeQuerySystemTime (PLARGE_INTEGER SystemTime)
	Query the current system time.
VOID	PlatformTimeConvertToLocalTime (PLARGE_INTEGER SystemTime, PLARGE_INTEGER LocalTime)
	Convert system time (UTC) to local time.
VOID	PlatformTimeConvertToTimeFields (PLARGE_INTEGER Time, PTIME_FIELDS TimeFields)
	Convert a LARGE_INTEGER time value to a TIME_FIELDS structure.

Detailed Description

Implementation of cross platform APIs for system time operations.

Author

Sina Karvandi (sina@.nosp@m.hype.nosp@m.rdbg..nosp@m.org)

Version

0.19

Date

2026-05-09

Copyright

This project is released under the GNU Public License v3.

Function Documentation

PlatformTimeConvertToLocalTime()

VOID PlatformTimeConvertToLocalTime	(	PLARGE_INTEGER	SystemTime,
		PLARGE_INTEGER	LocalTime )

Convert system time (UTC) to local time.

Parameters

SystemTime	Pointer to the system time value in UTC
LocalTime	Receives the converted local time value

Returns

VOID

{
#if defined(_WIN32) || defined(_WIN64)
 
    ExSystemTimeToLocalTime(SystemTime, LocalTime);
 
#elif defined(__linux__)
 
#    error "Not yet implemented"
 
#else
 
#    error "Unsupported platform"
 
#endif
}

PlatformTimeConvertToTimeFields()

VOID PlatformTimeConvertToTimeFields	(	PLARGE_INTEGER	Time,
		PTIME_FIELDS	TimeFields )

Convert a LARGE_INTEGER time value to a TIME_FIELDS structure.

Parameters

Time	Pointer to the time value to convert
TimeFields	Receives the broken-down time fields (year, month, day, hour, minute, etc.)

Returns

VOID

{
#if defined(_WIN32) || defined(_WIN64)
 
    RtlTimeToTimeFields(Time, TimeFields);
 
#elif defined(__linux__)
 
#    error "Not yet implemented"
 
#else
 
#    error "Unsupported platform"
 
#endif
}

PlatformTimeQuerySystemTime()

VOID PlatformTimeQuerySystemTime

(

PLARGE_INTEGER

SystemTime

)

Query the current system time.

Parameters

SystemTime

Receives the current system time as a LARGE_INTEGER (100-nanosecond units since January 1, 1601)

Returns

VOID

{
#if defined(_WIN32) || defined(_WIN64)
 
    KeQuerySystemTime(SystemTime);
 
#elif defined(__linux__)
 
#    error "Not yet implemented"
 
#else
 
#    error "Unsupported platform"
 
#endif
}